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Posts Tagged ‘Big Island’

KILAUEA VOLCANO: 850+ Quakes Rattle Big Island

Posted by feww on May 18, 2018

Hawaii Island seismicity increasing, hit by hundreds of earthquakes

Over 850 earthquakes measuring magnitude 2.5+ have struck in and around Hawai’i Island since April 20, according to USGS records.

HAWAIIAN VOLCANO OBSERVATORY STATUS REPORT – USGS
Thursday, May 17, 2018, 4:54 PM HST (Friday, May 18, 2018, 02:54 UTC)

Kīlauea Volcano Summit

  • After the explosive eruption early this morning seismic levels have been gradually increasing, but as of this report no additional explosions have occurred.
  • No earthquakes greater than magnitude 3.5 have occurred in the past day.
  • Volcanic gas emissions at the summit remain high.

Kīlauea Lower East Rift Zone

  • This afternoon, fissure 17 is still actively spattering but the flow is nearly stalled. In addition, fissures 18, 19, and 20 have reactivated and a new fissure (21) has opened between fissures 7 and 3. An area 50-100 yards wide, parallel to and north of the line of fissures between Highway 130 and Lanipuna Gardens, has dropped slightly. This long depression is currently being filled by pahoehoe lava flows from fissures 20 and 21.
  • Volcanic gas emissions remain elevated throughout the area downwind of the fissures.
  • Magma continues to be supplied to the lower East Rift Zone as indicated by the continued northwest displacement of a GPS monitoring station. Elevated earthquake activity continues, but earthquake locations have not moved farther downrift in the past couple of days. [USGS-HVO]


View of this morning’s eruption plume from the Overlook crater nearly an hour after the event started. This image is from the webcam located on the north rim of Moku‘āweoweo Caldera near the summit of Mauna Loa Volcano. This image was recorded at 5:10 a.m. HST. At about 04:15 a.m. HST, an explosion from the Overlook crater at Kīlauea Volcano’s summit produced an eruption column that reached at least 30,000 ft. above sea level. The plume was blown by wind toward the northeast. This resulted in ash fall at the Hawaiian Volcano Observatory, and nearby Volcano Village and the Volcano Golf and Country Club Subdivsion. [USGS-HVO]

Highway to Hell: Cracks widen in lower East Rift Zone, Kīlauea Volcano


Aerial view of ground cracks on Pohoiki Road during an overflight of the eruptive fissure area at about 7 a.m. HST. Cracks continued to open and widen, some with horizontal and vertical offsets, in the area during the past 24 hours. These cracks are caused by the underlying intrusion of magma into the lower East Rift Zone. [USGS-HVO]


HVO geologist next to cracks on Nohea Street in Leilani Estates this morning. These cracks expanded significantly in the past day. Note the vertical offset across the cracks. [USGS-HVO]

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M6.9 EQ Strikes Big Island, Hawaii

Posted by feww on May 5, 2018

PTR – 050502

Strong Earthquake Rattles Hilo, HI

EQ Details:

Magnitude: 6.9 mww
Location: 19.370°N, 155.032°W [16km SW of Leilani Estates, Hawaii; about 28km south of Hilo]
Depth: 5.0 km
2018-05-04 22:32:55 UTC

No. of Recorded Aftershocks: >160
Largest aftershock:
M 5.4 – 18km SW of Leilani Estates, Hawaii
Location: 19.342°N 155.032°W
Depth: 6.9 km
Time: 2018-05-04 21:32:44 (UTC)
[USGS]

TSUNAMI EVALUATION [PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI]

  • NO Tsunami Threat from the EQ, or its aftershocks, as of posting.

 

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Significant Quake Shakes Big Island, Hawaii

Posted by feww on June 9, 2017

G-1709E

M5.3 earthquake strikes  18km SE of Volcano, Hawaii  -USGS

The event occurred near Kilauea Volcano and was followed by at least 2 aftershocks, as of posting, USGS reported.

Magnitude: 5.3 ml
Location: 19.330°N, 155.121°W [18km SE of Volcano, Hawaii]
Depth: 7.1 km
Time: 2017-06-08 17:01:19 UTC
USGS Felt Reports: 979
FIRE-EARTH References: BLM1 [060601]

 

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Baby Born with Brain Damage in Hawaii Infected by Zika Virus

Posted by feww on January 17, 2016

CDC confirms baby born in Hawaii with microcephaly

A baby born with birth defect in an Oahu hospital has tested positive for the Zika virus (ZKIV), the U.S. Centers for Disease Control and Prevention (CDC) has confirmed.

The infant suffers from microcephaly, a rare condition that affects the brain, retarding its growth and leaving the skull size abnormally small.

The baby’s mother acquired the virus while living in Brazil in May 2015 and the baby was likely infected in the womb, said Hawaiian state health officials and the CDC.

The news comes as the Hawaii struggles to contain its largest ever dengue fever outbreak. Most of the infection cases, also transmitted through mosquito bites, have been reported in the Big Island of Hawaii.

CDC has already Issued Travel Warnings as Zika Virus Epidemic Continues to Spread in  Latin America and Caribbean countries.

Zika, a dangerous tropical disease linked to birth defects, is spreading in Brazil, Colombia, El Salvador, French Guiana, Guatemala, Haiti, Honduras, Martinique, Mexico, Panama, Paraguay, Suriname, Venezuela, and the Commonwealth of Puerto Rico.

Countries with past or current evidence of Zika virus transmission


Countries that have past or current evidence of Zika virus transmission (See below for list)

Countries that have past or current evidence of Zika virus transmission

AFRICA: Angola*, Burkina Faso, Cameroon, Cape Verde, Central African Republic, Cote d’Ivoire, Egypt*, Ethiopia*, Gabon, Gambia*, Kenya*, Nigeria, Senegal, Sierra Leone*, Somalia*, Tanzania*, Uganda and Zambia*.
AMERICAS: Brazil, Colombia, El Salvador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Martinique, Mexico, Panama, Paraguay, Puerto Rico, Suriname and Venezuela.

OCEANIA/PACIFIC ISLANDS: Cook Islands, Easter Island, Federated States of Micronesia, French Polynesia, New Caledonia, Samoa, Solomon Islands and Vanuatu.

ASIA: Cambodia, India*, Indonesia, Malaysia, Pakistan*, Philippines, Thailand and Vietnam*.

[*For these countries, the only evidence of Zika virus transmission is from studies that detected Zika virus antibodies in healthy people.  These studies cannot determine where the people were infected or if they were infected with Zika virus because the antibodies may have resulted from infections with other closely related viruses, such as dengue virus.]

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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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Kilauea Lava Flow Could Affect Thousands on Hawaiʻi Island

Posted by feww on September 5, 2014

VOLCANIC HAZARDS
STATE OF EMERGENCY PROCLAMATION
MASS EVACUATIONS
LOSS OF HABITAT
CROP DESTRUCTION
SCENARIOS 787, 444, 070, 047, 017, 07, 02
.

Lava from Kilauea Volcano advancing 250 meters per day

Hawai‘i County Mayor has signed a state of emergency proclamation due to  the advancing lava flow in the Wao Kele O Puna area after the flow extended to less than 1.5km from the edge of the Ka‘ohe Homesteads subdivision, said the mayor’s office.

It’s believed that at least 8,211 people (based on 2010 Census) residing in the subdivision of Hawaiian Beaches are directly threatened by the lava flow. However, the number is unrepresentative of the present population since the District of Puna is the fastest growing population in the State, said the Mayor’s Proclamation.

“We are taking this step to ensure our residents have time to prepare their families, their pets, and their livestock for a safe and orderly evacuation from Ka‘ohe in the event the flow continues to advance,” said Mayor Kenoi.

No evacuation orders have yet been issued, said Hawaii County Civil Defense; however, the risk of lava flow affecting the  subdivision is increasing daily.

Kilauea Volcano Warning Issued by Hawaiian Volcano Observatory (HVO)

Thursday, September 4, 2014, 10:45 AM HST (2014-09-04 @ 20:45UTC)

Volcanic Activity Summary: On June 27, 2014, new vents opened on the northeast flank of the Pu‘u ‘O‘o cone that 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. The sequence was repeated twice more over the following days with lava entering other cracks and reappearing farther downslope. In this way, the flow had advanced approximately 13.2 km (8.2 miles) from the vent, or to within 1.3 km (0.8 miles) of the eastern boundary of the Wao Kele o Puna Forest Reserve, by the afternoon of September 3. Overnight, lava did not appear to advance farther east within the crack system, but surface flows advanced about 100 m to the northeast. At the average rate of advancement of 250 m/day (820 ft/day) since July 10, we project that lava could reach the Kaohe Homesteads boundary within 5-7 days should lava resume advancing within the crack system.

Kaohe Homesteads is located between the Wao Kele o Puna Forest Reserve and the town of Pāhoa in the Puna District of the County of Hawai`i.

Current Volcano Alert Level: WARNING
Current Aviation Color Code: ORANGE

Recent Observations:
[Volcanic cloud height] SO2, low ash emissions continue from Kīlauea caldera, TFR in place.
[Other volcanic cloud information] none
[Lava flow/dome] June 27th Lava Flow continues to advance.

Hazard Analysis:
[Lava flow/dome] Lava Flow from Pu‘u ‘Ō‘ō vent could advance to Kaohe Homesteads within a week.

Remarks: 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.

June 27th lava flow front reemerges from ground crack, continues advancing eastward (HVO)


The June 27th lava flow remains active, with lava at the flow front issuing from a ground crack and advancing through thick forest, creating dense plumes of smoke. The farthest lava this afternoon was 13.2 km (8.2 miles) from the vent on Puʻu ʻŌʻō, and 1.3 km (0.8 miles) from the eastern boundary of the Wao Kele o Puna forest reserve. This forest reserve boundary is at the western boundary of Kaohe Homesteads subdivision, a portion of which is visible at the bottom of the photograph. (Source: HVO)


The surface flows at the front of the June 27th lava flow are fed by lava that is supplied through a lava tube that originates at the vent on Puʻu ʻŌʻō. This thermal image shows the lava tube close to Puʻu ʻŌʻō. Although the lava is several meters (yards) beneath the surface, it heats the surface sufficiently to be easily detected with thermal cameras. 

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Significant Quake, Tropical Storm ISELLE Strike Hawaii

Posted by feww on August 8, 2014

EXTREME WEATHER & CLIMATIC HAZARDS
SEISMIC HAZARD
SCENARIOS 888, 066, 055, 024, 023, 09, 08, 07
.

Big Island Struck by Significant Earthquake, TS ISELLE

Centered at 20.079°N, 155.793°W, a magnitude 4.5 quake struck about 12km WNW of Waimea, Hawaii at a depth of 16.8km (10.4mi, at 16:24:04 UTC on Friday.

Meantime, Tropical Storm ISELLE battered the island, knocking down trees and power lines, and forcing more than 1,200 people to evacuate their homes.

The second of two major storms, the more powerful Hurricane JULIO, is headed directly toward the archipelago.

JULIO has been upgraded to a Category 3 hurricane, with maximum sustained winds of about 195 km/h, moving toward the island at about 25 km/h.

Hawaii Gov.  Abercrombie signed an emergency proclamation on Wednesday in anticipation of the arrival of the two tropical storms.

“The proclamation, which includes the entire state, activates the Major Disaster Fund set aside by the Legislature for disaster relief. It also allows easier access to emergency resources at the state and federal levels, along with the suspension of certain laws as needed for emergency purposes,” said a statement posted on his website.

The disaster emergency relief period for the proclamation continues through August 15, 2014.


IMPORTANT NOTICE: FIRE-EARTH EQ Forecasts – For detailed FIRE-EARTH Earthquake Forecasts tune into FIRE-EARTH Reports daily @ 06:32UTC.


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FLOSSIE Headed for HAWAI’I

Posted by feww on July 28, 2013

Tropical Storm FLOSSIE targets the Big Island

[July 28, 2013 10:00UTC]  Tropical Storm FLOSSIE is located approximately 775NM (1,435 km) east of Pearl Harbor, moving WEST at about 17NMPH, said JTWC .

  • POSITION:  Near 19.5N, 145.5W
  • Max sustained winds: 50NMPH
  • Wind gusts: 65NMPH
  • Max significant wave height 25 feet ( 8m)

flossie - cimss
Tropical Storm (06E) – FLOSSIE. Shortwave IR Satellite Image. Source: CIMSS

flossie projected track
TS FLOSSIE projected Track. Source: CIMSS

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