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Posts Tagged ‘Suwanose-jima’

VolcanoWatch Weekly [10 Dec 2009]

Posted by feww on December 10, 2009

SI / USGS Weekly Volcanic Activity Report
(2 December – 8 December 2009)

New activity/Unrest:

  • Region: Central Chile
  • Volcano Type: Stratovolcano
  • Last Known Eruption: 2009
  • Summit Elevation: 3,125 m  (10,253 feet)
  • Latitude: 38.692°S  (38°41’30″S)
  • Longitude: 71.729°W (71°43’43″W)


Llaima, one of Chile’s largest and most active volcanoes, has a symmetrical profile when seen from the north. The massive, 3125-m-high, glacier-covered stratovolcano is constructed primarily of accumulated lava flows and has a volume of 400 cu km. Volcán Llaima contains two historically active craters, one at the summit and the other to the SE. More than 40 scoria cones dot the volcano’s flanks. Frequent moderate explosive eruptions, a few of which were accompanied by lava flows, have been recorded since the 17th century. Photo by Norm Banks, 1990 (U.S. Geological Survey). Caption: GVP.

Volcano News (Source: GVP)

KVERT reported that during 27 November-4 December seismic activity from Kliuchevskoi was above background levels and lava continued to flow down the ESE flank. Strombolian activity ejected tephra 300 m above the crater.

Cameras operated by OVDAS-SERNAGEOMIN showed steam-and-gas plumes rising from Llaima’s main crater and E flank during 14 November-1 December. Although seismicity generally decreased, a new type of long-period, low-frequency earthquake was detected. (Source: GVP)

Ongoing Activity

Ambrym, Vanuatu (SW Pacific);  Chaitén, Southern Chile; Colima, México;  Dukono, Halmahera; Fuego, Guatemala; Karymsky, Eastern Kamchatka;  Kilauea, Hawaii (USA);  Kliuchevskoi, Central Kamchatka (Russia);  Rabaul, New Britain;  Sakura-jima, Kyushu;  San Cristóbal, Nicaragua;  Shiveluch, Central Kamchatka (Russia); Soufrière Hills, Montserrat;  Suwanose-jima, Ryukyu Islands (Japan).

Related Links:

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FEWW Volcanic Activity Forecast

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Recent Posts on Chaitén:

Posted in volcanic eruption, volcanic hazard, volcanism, volcano, volcano alert | Tagged: , , , , , | 1 Comment »

VolcanoWatch Weekly [6 Nov 2009]

Posted by feww on November 6, 2009

VOW: Kilauea

20091104_3687_mrp_L
Click image to enlarge.

20091104_3721_mrp_L
[Top] Activity at the west Waikupanaha ocean entry, where lava reached the ocean this past weekend, continues. The entry spans about 200 yards, with many small lava streams entering the water. [Above] On the east margin of the entry, lobes were advancing over a small black sand beach.  USGS/ HVO [Dated 4 Nov 2009] Click image to enlarge.

More images:

HAWAIIAN VOLCANO OBSERVATORY DAILY UPDATE
Thursday, November 5, 2009 7:48 AM HST (Thursday, November 5, 2009 17:48 UTC)

KILAUEA VOLCANO (CAVW #1302-01-)
19°25’16″ N 155°17’13″ W, Summit Elevation 4091 ft (1247 m)
Current Aviation Color Code: ORANGE
Aviation Color Code: ORANGE

Activity Summary for past 24 hours:
Growth and partial collapses of the Halema`uma`u Overlook vent cavity floor continued periodically obscuring and revealing the circulating lava pond surface. Sulfur dioxide emission rates from the Halema`uma`u and east rift zone vents remain elevated. Lava flows are active on the coastal plain. Lava is also flowing through tubes to the coast and entering the ocean at two locations west of Kalapana.

Past 24 hours at Kilauea summit:
The Overlook vent webcam images again showed fluctuating glow and spattering from a single elongated hole deep within the Halema`uma`u vent cavity; the rim of this hole was built progressively inward by spatter making the hole smaller until two more partial collapses occurred early this morning again revealing the circulating and spattering lava pond below. Glow from the vent was visible from Jaggar Museum overnight. This morning, a near white plume is moving southwestward and low over the Ka`u Desert. The most recent sulfur dioxide emission rate measurement was 500 tonnes/day on November 3, which is elevated above the 2003-2007 average of 140 tonnes/day. Small amounts of ash-sized tephra continued to be dropped from the plume near the vent.

Past 24 hours at the middle east rift zone vents and flow field: Magma continued to degas through Pu`u `O`o crater before erupting from the TEB vent, located 2 km to the east. The most recent sulfur dioxide emission rate measurement was 1,400 tonnes/day on November 4, which is close to the 2003-2007 average of 1,700 tonnes/day More …

Kilauea Spews More Lava

kilauea_ali_2009306
The rift zone on the eastern slopes of Hawaii’s Kilauea Volcano has been erupting since January 1983, the longest eruption in recorded history. Pu‘u ‘O‘o and the Thanksgiving Eve Breakout vent—two centers of volcanic activity—emit steam and other gases in this natural-color satellite image. Lava currently reaches the surface at the Thanksgiving Eve Breakout vent and flows southeast (towards the lower right) through a lave tube to the ocean. Small plumes of gas reveal the path of the lava. In general, the youngest lava flows are black, and older, weathered, flows are gray or brown. Surviving vegetation is bright green.
The Advanced Land Imager (ALI) on NASA’s EO-1 satellite acquired this image on November 2, 2009. NASA Earth Observatory image by Robert Simmon, using EO-1 ALI data provided by the NASA EO-1 team. Caption by Robert Simmon. Click image to enlarge.

SI / USGS Weekly Volcanic Activity Report
(28October – 3 November 2009)

New activity/Unrest:

Ebeko, Paramushir Island | Galeras, Colombia | Karangetang [Api Siau], Siau I | Manam, Northeast of New Guinea (SW Pacific) | Nevado del Huila, Colombia | Soufrière Hills, Montserrat

GVP Volcano News:

INGEOMINAS reported that on 28 October a pulse of tremor from Nevado del Huila was followed by an ash plume that rose to an altitude of 8.3 km (27,200 ft) a.s.l. On 3 November, residents of Mosoco (20 km SSW) saw collapses from the W side of the dome generate small pyroclastic flows and incandescence at night.

MVO reported that during 23-30 October seismic activity from the Soufrière Hills lava dome was at a slightly lower level that the previous week. Numerous pyroclastic flows occurred in most of the major drainage valleys and rockfalls were concentrated in the S. On 29 October, a 40-m-high spine was seen protruding from the summit. —GVP

Ongoing Activity:

Barren Island, Andaman Is | Chaitén, Southern Chile | Dukono, Halmahera | Karymsky, Eastern Kamchatka | Kilauea, Hawaii (USA) | Kliuchevskoi, Central Kamchatka (Russia) | Krakatau, Indonesia | Popocatépetl, México | Rabaul, New Britain | Sakura-jima, Kyushu | Shiveluch, Central Kamchatka (Russia) | Suwanose-jima, Ryukyu Islands (Japan)

Related Links:

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FEWW Volcanic Activity Forecast

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Recent Posts on Chaitén:

Posted in FEWW Volcanic Forecast, volcanic activity, volcanism, Volcano Watch, volcanoes, VolcanoWatch Weekly | Tagged: , , , , , , , , , , , , , | Leave a Comment »

VolcanoWatch Weekly [30 July 2009]

Posted by feww on July 30, 2009

Volcanic Activity Report: 22 July – 28 July 2009

VOW: Batu Tara

batu tara July 27 2009
Batu Tara remained active in late July 2009. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this photo-like image the volcano releasing a faint plume on July 27, 2009. The distinct segments of the plume suggest that the volcano has released ash and/or steam in pulses. The plume blows toward the northwest over the Flores Sea.  NASA image courtesy MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott.

batutara EO 18 may 2009
Batu Tara remained active in mid-May 2009. On May 17, 2009, as the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured this image, the tiny volcanic island released a plume of ash and/or steam. The volcano’s plume forms a counter-clockwise arc north of the volcano. East of that plume is another, fainter plume, almost certainly of the same origin, blowing westward over the Flores Sea. NASA image courtesy MODIS Rapid Response Team, Goddard Space Flight Center. Caption by Michon Scott.

New activity/unrest:

Source: Global Volcanism Program (GVP) – SI/USGS Weekly Volcanic Activity Report

Notes:

KVERT reported that during 17-18 and 20-24 July seismic activity from Shiveluch was above background levels. According to news sources, an ash plume rose to an altitude of 7 km (23,000 ft) a.s.l. late on 25 July. Increased seismicity, powerful ash bursts, and avalanches were also reported.

Based on information from JMA, the Tokyo VAAC reported that on 22 July explosions from Sakura-jima produced plumes that rose to altitudes of 1.8-2.4 km (6,000-8,000 ft) a.s.l. and drifted E and SE. On 23 July and 27 July pilots observed ash plumes. (Source: GVP)

Ongoing Activity:

Related Links:

FEWW Links:

Posted in Global Volcanism, Volcanic Activity Report, volcanism, Volcano Hazard, volcanoes, VolcanoWatch | Tagged: , , , , | Leave a Comment »

Volcano Watch No. 47

Posted by feww on November 27, 2008

19 November-25 November 2008

New Activity/Unrest:

Featured Volcano: Dukono

Country: Indonesia
Region: Halmahera
Volcano Type: Complex volcano
Summit Elevation: 1,335 m
Latitude:        1.68°N         1°41’0″N
Longitude: 127.88°E          127°53’0″E

One of Indonesia’s most active volcanoes, Dukono is located at the northern end of Halmahera Island. Dukono has a broad profile and is capped by many compound craters. Dukono has displayed more or less continuous explosive activity since 1933, occasionally accompanied by lava flows. Photo by Vivianne Clavel, June 1991. Source: GVP

Ongoing Activity:

This page is updated on Wednesdays, please see the GVP Home Page for news of the latest significant activity.

Posted in Fuego, Manam, Pacaya, Popocatépetl, Tungurahua | Tagged: , , , , | Leave a Comment »

Volcano Watch No. 42

Posted by terres on October 23, 2008

15 – 21 October 2008

New Activity/Unrest:

Ongoing Activity:

This page is updated on Wednesdays, please see the GVP Home Page for news of the latest significant activity.

Posted in Akan, Batu Tara, Karymsky, Kīlauea, Popocatépetl | Tagged: , , , , | Leave a Comment »

 
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