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Posts Tagged ‘volcano’

FIRE-EARTH Tectonics Forecast 000501 – Update 000322

Posted by feww on March 22, 2017

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FIRE-EARTH Tectonics Forecast 000501 – Update 000322

[Issued by FIRE-EARTH Science Team.]

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FIRE-EARTH Tectonics Forecast 000501 – Update 000320

Posted by feww on March 20, 2017

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FIRE-EARTH Tectonics Forecast 000501 – Update 000320

[Issued by FIRE-EARTH Science Team.]

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FIRE-EARTH Tectonics Forecast 000501 – Update 000314

Posted by feww on March 14, 2017

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FIRE-EARTH Tectonics Forecast 000501 – Update 000314

[Prepared by FIRE-EARTH Science Team.]

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FIRE-EARTH Tectonics Forecast 000501

Posted by feww on March 5, 2017

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FIRE-EARTH Tectonics Forecast 000501

[Prepared by FIRE-EARTH Science Team.]

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FIRE-EARTH Tectonics Forecast 000209 – 000228 UPDATE

Posted by feww on February 28, 2017

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FIRE-EARTH Tectonics Forecast 000209 – 000228 UPDATE

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FIRE-EARTH Tectonics Forecast 000209 – 000221 UPDATE

Posted by feww on February 21, 2017

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FIRE-EARTH Tectonics Forecast 000209 – 000221 UPDATE

  • Details of Forecast and current Update are available from FIRE-EARTH PULSARS.

 

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FIRE-EARTH Tectonics Forecast 000209 – 000220 UPDATE

Posted by feww on February 20, 2017

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FIRE-EARTH Tectonics Forecast 000209 – 000220 UPDATE

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FIRE-EARTH Tectonics Forecast 000209 – 000217 UPDATE

Posted by feww on February 17, 2017

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FIRE-EARTH Tectonics Forecast 000209 – 000217 UPDATE

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FIRE-EARTH Tectonics Forecast 000209

Posted by feww on February 9, 2017

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FIRE-EARTH Tectonics Forecast 000209

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FIRE-EARTH Tectonics Forecast 001114 – UPDATE 000131

Posted by feww on January 31, 2017

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FIRE-EARTH Tectonics Forecast 001114 – UPDATE 000131

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FIRE-EARTH Volcano Alert: SDL1

Posted by feww on January 11, 2017

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FIRE-EARTH Volcano Alert: SDL1

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FIRE-EARTH Volcano Alert: KZL2

Posted by feww on January 10, 2017

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FIRE-EARTH Volcano Alert: KZL2

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FIRE-EARTH Tectonics Forecast 000104

Posted by feww on January 4, 2017

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FIRE-EARTH Tectonics Forecast 000104

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FIRE-EARTH Tectonics Forecast 001114 – UPDATE 001220

Posted by feww on December 20, 2016

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FIRE-EARTH Tectonics Forecast 001114 – UPDATE 001220

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Mt Etna Spews Ash, Smoke and Fire

Posted by feww on May 22, 2016

DDZ

Strambolian eruptions continue at Etna

The eruption follows reports of volcanic tremors starting five days ago.

“On May 17th we witnessed an increase in the amplitude of volcanic tremors and recorded intense degassing accompanied by occasional, weak emissions from the northeastern crater,” the Catania branch of Italy’s National Volcanology and Geophysics Institute said in a statement.

Etna lies above the convergent plate margin between the African and the Eurasian Plates, making it one of the most active volcanoes in the world.

It is the tallest active volcano in Europe, and currently stands 3,330m high. The volcano covers an area of 1,190km² with a basal circumference of 140km.

One of the 16 Decade Volcanoes, Mt Etna is in an almost constant state of activity.


Mt Etna. Image source: marcorestivo

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Sakurajima Volcano Explodes

Posted by feww on February 5, 2016

Sakurajimsa erupts at Showa crater

The explosive eruption occurred at 09:56UTC producing a large plume of smoke and ash followed by lava flow.

Authorities upgraded the volcanic warning to a “Level 3 (Do not approach the volcano).”

One of the most active volcanoes in the world, Sakurajima is located in Kagoshima Bay, southern Kyushu, Japan (about 1,100km WSW of Tokyo). The composite volcano has three peaks: Kitadake, Nakadake and Minamidake (southern peak).

Since 1955 the Minamidake crater, has been continually active. The ongoing activity includes strong strombolian to ash explosions at least once and as many as 8 times a day.

Sendai nuclear power station was built about 50km from the volcano, and despite hundreds of recent eruptions, it was restarted on August 11, 2015.

Sakurajima is a post-caldera cone of the Aira caldera, a gigantic caldera in the southern portion of the island of Kyushu. The caldera was formed by a massive VEI 7 eruption (~ 400km³ of ejecta), about 22,000 years ago, “shortly” after the Oruanui eruption of New Zealand’s Taupo Volcano.

In August 2015, a level 4 emergency warning [“prepare to evacuate”] was issued after the local “experts” warned that a major eruption was imminent.

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Piton de la Fournaise Eruption Caught on Video

Posted by feww on August 3, 2015

Reunion island volcano erupts for three days

The eruption prompted evacuation on Friday, as rivers of lava rolled down the slopes of the Piton de la Fournaise volcano.

A World Heritage Site, Piton de la Fournaise is  one of the most active volcanoes in the world.

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Significant Quake Strikes near Volcano, Hawaii

Posted by feww on June 28, 2015

M5.2 quake strikes S of Volcano, Hawaii

Centered at 19.335°N, 155.209°W, about  the quake struck about 11km (7mi) SSE of Volcano, Hawaii at a depth of 8.6 km (5.3 mi), reported USGS/EHP.

At least one aftershock measuring 3.1Mw was reported, as of posting.

EQ Details

Magnitude: 5.2Mw
Location: 19.335°N, 155.209°W; depth = 8.6 km (5.3 mi)
Time: 2015-06-28 08:10:10 (UTC)
Nearby Cities

  • 11km (7mi) SSE of Volcano, Hawaii
  • 37km (23mi) SW of Hawaiian Paradise Park, Hawaii
  • 45km (28mi) SSW of Hilo, Hawaii
  • 89km (55mi) ESE of Kailua-Kona, Hawaii
  • 352km (219mi) SE of Honolulu, Hawaii

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Volcano Erupts 160km S. of Sendai Nuke Plant

Posted by feww on May 29, 2015

Japan’s Mt. Shindake erupts prompting highest level alert on Kuchinoerabujima island

Officials are considering evacuation of about 150 residents of the small island of Kuchinoerabujima, reported NHK.

The explosion was followed by a pyroclastic flow of super-heated volcanic matter which swept down the side of the mountain and reached the ocean, NHK said.

It’s unclear whether the eruption and recent earthquakes in the region, or anything short of another direct nuclear catastrophe, would affect the restart of Kyushu Electric’s Sendai nuclear power plant, which the nuclear regulator cleared on Wednesday.

Shindake erupted about 10:00am local time, ejecting a large plume of black smoke and ash into the air, promoting the weather agency to issued a level-five warning for the area, the highest on its scale, and advising evacuations.

The Kuchinoerabujima island [area of 38.04km², population of 149 persons] is located about 160km south of the Sendai nuclear plant, on Japan’s southernmost main island of Kyushu.

EQ Details (recent seismic activity)

  • M4.8 quake strikes 10km ESE of Makurazaki, Japan 2015-05-27 at 01:51:25 UTC depth=150.2 km (USGS/EHP)
  • M4.5 quake 4km E of Makurazaki, Japan 2015-05-24 at 00:09:38 UTC depth=161.7 km (USGS/EHP)
  • M4.0 quake strikes Fukuoka pref. (33.0N, 130.5E) 27 May 2015-05-27 at 16:11 JST (UTC + 9 hrs.)  depth=10 km  (JMA)
  • M5.2 quake 24km NNE of Naze (28.573°N 129.567°E), Japan 2015-05-22 at 13:28:49 UTC Depth=35.9 km

Current Volcanic Alerts in the Region (JMA)

  • Kuchinoerabujima, Level 5 (Evacuate)   10:07 JST, 29 May 2015
  • Sakurajima,  Level 3 Alert ,  since 21 March 2012
  • Asosan,  Level 2 Alert (Do not approach the crater) since 30 August 2014
  • Kirishimayama (Shinmoedake),  Level 2 Alert,  since 22 October 2013
  • Suwanosejima, Level 2  Alert, since 01 December 2007
  • Kirishimayama,  volcano is potentially active, since 01 May 2015

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Suspending Research on Seismicity in Washington State

Posted by feww on January 23, 2015

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FIRE-EARTH Science Team has resolved to suspend its research on geophysical activity in the state of Washington until further notice.

 

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Hundreds Evacuated after Pico do Fogo Eruption

Posted by feww on November 28, 2014

VOLCANIC HAZARDS
LAVA FLOW
MASS EVACUATIONS
SCENARIOS 989, 900, 797, 787, 707, 444, 402, 071, 070, 047, 017, 09, 07, 02
.

Lava threatens to bury town on the island of Fogo

Lava is moving close to the village of Portela, near the community of Cha das Caldeiras, situated within the crater of the Pico do Fogo on the island of Fogo [means ‘fire’ in Portuguese,] where more than 1,200 people have been evacuated.

A local vulcanologist reportedly told state-owned Radio Cape Verde the first explosion that occurred on Sunday was “much greater than the one in 1995,” which deposited a layer of ash across the island.

“The eruption was very powerful, but we are appealing to the people to stay calm,” a government minister said.

The eruption was a level 3 on the 9-level volcanic explosivity index, the minister said.

Fogo is one of nine inhabited islands comprising Cape Verde in West Africa.

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Lava Flow from Kilauea Advancing AGAIN on Big Island Communities

Posted by feww on October 7, 2014

VOLCANIC HAZARDS
KILAUEA JUNE 27TH LAVA FLOW
STATE OF EMERGENCY PROCLAMATION
MASS EVACUATIONS
LOSS OF HABITAT
CROP DESTRUCTION
SCENARIOS 989, 900, 797, 787, 707, 444, 070, 047, 017, 07, 02
.

Kilauea Lava Flow:  June 27th lava flow continues to advance NE at 120 m/day

The lava flow out of the continuously erupting Kilauea Volcano is slowly advancing downslope toward the town of Pāhoa (population: ~1,000) on the Big Island.

About 4,500 people could be affected by the lava flow in the coming days.

Tuesday Oct0ber 7, 2014 (UTC). Civil Defense Message: “This morning’s assessment shows that the flow front continues to be active and has advanced approximately 150 yards since yesterday.  The narrow flow front is moving along the tree line and the burning activity is producing a significant amount of smoke.  There is no brush fire threat at this time and the burning is limited to the edges of the flow only.  Due to a light southwest wind this morning the vog and smoke conditions were moderate to heavy across lower Puna to Hilo.”

[Note: Vog, a type of air pollution, is formed when sulfur dioxide and other gases and particles emitted by an erupting volcano react with oxygen and air moisture in the sunlight.]

Flow front continues advancing northeast, triggers brush fire. The June 27th lava flow remains active, and the flow front continues to advance towards the northeast along the forest boundary. Today, the flow front consisted of a narrow lobe moving through thick forest. The flow front was 1.7 km (1.1 miles) upslope of Apaʻa St., and 2.7 km (1.7 miles) from Pāhoa Village Road. The lava flow also triggered a brush fire that was active north of the flow front Monday afternoon local time [HAST= UTC -10 hrs.]

Kilauea Status Reports

Issued: Monday, October 6, 2014, 6:42 PM HST (Tuesday, 2014/10/07/04:42UTC)
Source: Hawaiian Volcano Observatory (HVO)
Notice Number: 2014/H13
Location: N 19 deg 25 min, W 155 deg 17 min
Elevation: 4091 ft (1,247 m)
Area: HI Hawaii and Pacific Ocean
Current Volcano Alert Level: WARNING
Current Aviation Color Code: ORANGE

Volcanic Activity Summary: The June 27th flow remains active, with a narrow flow about 115 m (230 ft) wide moving downslope about 120 m/day (390 ft/day) since October 3.

At the average rate of advancement of 120 m/day, the lava could reach Apa`a St. in about 16 days. The advance rate of the June 27th flow has varied significantly during the past month, meaning this projection is subject to change. HVO’s next overflight is scheduled for Wednesday, October 8.

Recent Observations by HVO: The lava flow has continued to advance northeast since October 3 at about 120 m/day (390 ft/day). The leading edge is now about 1.7 km (1.1 mi) straight-line distance from Apa`a St.

Hazard Analysis by HVO: The lava flow from the Pu‘u ‘Ō‘ō vent is active, and lava is being supplied to the flow front, which is slowly advancing downslope toward Pāhoa town, which is located  in the Puna District of the County of Hawai`i.

Puʻu ʻŌʻō Observations: There was little net change in ground tilt at Pu’u O’o over the past day. Glow was visible overnight above several outgassing openings in the crater floor. The most recent sulfur-dioxide emission-rate measurement for the East Rift Zone was 550 tonnes per day (from all sources) on September 25, 2014. Seismic tremor is low and constant.

Summit Observations: Deflationary tilt at Kīlauea’s summit continues this morning along with a decrease in the lava lake level at the summit vent. There was no major change in seismicity on Kilauea over the past day; seismic tremor at the summit remained low and varied with changes in spattering on the surface of the lava lake. GPS receivers spanning the summit caldera recorded about 5 cm (2 in) of extension between early May and early July. Since then, little significant extension or contraction has occurred. During the week ending on September 30, 2014, the elevated summit sulfur-dioxide emission rate was measured at 3,600–5,200 tonnes/day (see caveat below), and a small amount of particulate material was carried aloft by the plume.

Remarks [Source: HVO] : The Pu‘u ‘Ō‘ō vent in the East Rift Zone of Kīlauea Volcano began erupting on January 3, 1983, and has continued erupting for more than 31 years, with the majority of lava flows advancing to the south. Over the past two years, lava flows have issued from the vent toward the northeast. The June 27th flow is the most recent of these flows and the first to threaten a residential area since 2010-2011. On June 27, 2014, new vents opened on the northeast flank of the Pu‘u ‘Ō‘ō cone and fed a narrow lava flow to the east-northeast. On August 18, the flow entered a ground crack, traveled underground for several days, then resurfaced to form a small lava pad. This sequence was repeated three more times over the following days with lava entering and filling other cracks before reappearing at the surface, in two of the cases farther downslope. Lava emerged from the last crack on September 6, forming a surface flow that initially moved to the north, then to the northeast, at a rate of 400 m/day (1,300 ft/day). The flow slowed thereafter and, between September 12 and 19, the rate of advancement varied, averaging 225 m/day (740 ft/day). The flow front stalled by September 22, but new breakouts behind the flow front began to push forward, overtaking the stalled front on September 29 and advancing 120 m/day (390 ft) between October 3 and 6. [Source: HVO]

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Significant Earthquakes Strike Bárðarbunga

Posted by feww on September 1, 2014

VOLCANIC SEISMICITY
FISSURE ERUPTION
BARDARBUNGA VOLCANO
SCENARIOS 023, 017, 09, 08, 07
.

3 Earthquakes measuring magnitude 5.0 or greater strike near Bardarbunga volcano

At least 22 earthquakes measuring magnitude 3.0 or greater, including 3 measuring magnitudes 5.0, 5.1 and 5.3 have occurred near Bardarbunga volcano since Saturday, reported IMO.

Volcanic activity in Holuhraun Lava Field

Meantime, the fissure eruption continues “at a stable level,” said IMO. “No explosive activity is observed, the eruption remains an effusive lava eruption. Visual observation by webcam and low level volcanic tremor on seismometers do not show any obvious changes since [Sunday] evening.”

Bardarbunga 5 or greater 01Sep14
Earthquake Location Map. Source: USGS/EHP

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Significant Earthquake Strikes Bardarbunga System

Posted by feww on August 31, 2014

VOLCANIC SEISMICITY
FISSURE ERUPTION
BARDARBUNGA VOLCANO
SCENARIOS 023, 017, 09, 08, 07
.

M5.1 quake occurs at northern rim of  Bardarbunga caldera: IMO

Centered at 64.675°N, 17.415°W, about 6.6km NE of Bardarbunga, the quake occurred at a depth of 5.2 km [USGS/EHP: 64.723°N 17.390°W depth=7.5km] on Sunday at 12:01:45GMT, said Iceland Met Office (IMO).

The quake was the largest to strike Bardarbunga volcanic system since a magnitude 5.4 shock on Saturday.

Meantime, a large fissure eruption continues in Holuhraun lava field, north of Vatnajokull [Glacier of Lakes.]

“A lava eruption started in Holuhraun shortly after 04 AM, on the same volcanic fissure, which erupted earlier this week. The fissure is estimated to be 1.5 km long.”

The lava extruding from the fissure was estimated at 1 km wide, 3 km long and several meters deep, oozing down in a northeasterly direction. The flow rate was about 1,000 m3 per second, said IMO.

The Aviation Color Code for Bárðarbunga has been downgraded from “red” to “orange” [because no ash has been detected] and the alert level for Askja to “yellow,” said IMO.

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GLOBAL DISASTERS/ SIGNIFICANT EVENTS, Aug. 30, 2014

Posted by feww on August 30, 2014

VOLCANIC ERUPTION
SIGNIFICANT SEISMIC EVENTS
BARDARBUNGA VOLCANO
TAVURVUR VOLCANO
DROUGHT MEGA DISASTER
SCENARIOS 808, 800, 444, 023, 017, 09, 08, 07, 03, 02
.

Another Significant Quake Strikes Iceland’s Bardarbunga Volcano

Centered at 64.844°N, 16.858°W [about 18.0km ENE of Kistufell] the quake struck at a depth of 5.4km on Saturday, said IMO.

The shock occurred beneath Bardarbunga’s main volcano at 07:03 GMT, said IMO, adding that they had not observed any new eruptions.

Iceland’s Earthquake Count [48 hrs to13:40 GMT on Aug 30]:

Magnitude less than 1Mw: 494
Magnitude 1 to 2Mw: 1627
Magnitude 2 to 3Mw: 228
Magnitude 3 or greater: 16
Total: 2,365
Source: IMO Earthquake Count


IMPORTANT NOTICE: FIRE-EARTH Earthquake Forecasts

For detailed earthquake forecasts tune into FIRE-EARTH Reports daily @ 06:32UTC.


Drought Destroys Crops in N China

Recent drought in northern China has destroyed crops in much of northern China, leaving scores of people without food or drinking water, according to authorities, said Xinhua, China’s official news agency.

The regions include the provinces of Liaoning, Henan, Jilin, Hebei and Hubei as well as Inner Mongolia and Ningxia Hui autonomous regions, said the report, citing the country’s Ministry of Civil Affairs.

Liaoning province has experienced its worst drought since 1951, with about half million hectares of crops destroyed. The grain production in the province is expected to decline by 5 billion kg this year, said the report.

Severe Drought in Hebei

“Lingering droughts have spread to most parts of Hebei, a major grain-producing region in China, affecting 1.25 million hectares of crops, said the provincial water resources department.”

Large numbers of livestock are also short of water. Average precipitation in the province through mid-August was 21 mm, about 50 percent less than the average for the period, said the report.

Record Drought Kills Scores of Livestock in Xinjiang

“A prolonged drought in northwest China’s Xinjiang has left about 200,000 people in need of emergency aid, including drinking water, said the region’s civil affairs department.” Xinhua reported.

“In seven counties of the Kazakh Autonomous Prefecture of Ili in northern Xinjiang, more than half a million people and 3.46 million head of livestock have been affected. Some 7,700 cattle have died.”

“Herders are concerned how their livestock will survive the winter due to the destruction of fodder by the drought. Over 4.3 million mu (287,000 hectares) of crops and 22.8 million mu of pastures have suffered, with direct economic losses of 4.3 billion yuan (700 million U.S. dollars).”

Nationally, the drought has affected about 3 million hectares of crops.

“Artificial rain has failed to relieve the situation.”

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