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Archive for the ‘Karymsky’ Category

VolcanoWatch Weekly [1 January 2010]

Posted by feww on January 1, 2010

VoW: Redoubt (Again!)


View of Redoubt faintly steaming (plume drifts south [to the left in the photo] from the summit) on December 31, 2009, as seen from near Homer, Alaska. Photograph courtesy of Dennis Anderson, Night Trax Photography. Picture Date: December 31, 2009 12:55:00 AST.

ALASKA VOLCANO OBSERVATORY CURRENT STATUS REPORT
Thursday, December 31, 2009 12:40 PM (Thursday, December 31, 2009 21:40 UTC)

REDOUBT VOLCANO (CAVW #1103-03-)
60°29’7″ N 152°44’38” W, Summit Elevation 10197 ft (3108 m)
Current Volcano Alert Level: ADVISORY
Current Aviation Color Code: YELLOW

The rate of shallow, small earthquakes at Redoubt Volcano decreased markedly yesterday and remains low. The Aviation Color Code remains YELLOW and the Volcano Alert Level remains ADVISORY.

SI / USGS Weekly Volcanic Activity Report
(23December – 29 December 2009)

New Activity/Unrest

Latest on Mayon Volcano

Volcano News (Source: GVP)

OVSICORI-UNA reported that on 25 December a phreatic eruption from Laguna Caliente, a summit lake of Poás, was seen by visitors standing at a viewpoint to the S of the crater. Lake water mixed with sediment and blocks was ejected 550-600 m above Laguna Caliente.

MVO reported that during 11-19 December activity from the Soufrière Hills lava dome continued at a high level. Frequent pyroclastic flows were noted on the northern flank. Ashfall also occurred on many other Caribbean islands, as far as Puerto Rico (400 km ENE), and disrupted commercial flights. (Source: GVP)

Ongoing Activity

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FEWW Volcanic Activity Forecast

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Posted in Karymsky, San Cristóbal, volcanism, volcano, Volcano Watch | Tagged: , , , , | 1 Comment »

VolcanoWatch Weekly [30 September 2009]

Posted by feww on October 2, 2009

VOW: Golden Trout Creek

A cluster of 66 shocks have rocked a a 15 square km area centered about 36.392°N, 117.861°W, some 41 km east of the Golden Trout Creek volcano field in central California, in the past few days. Although most of the quakes were tremors measuring less than M 3.0, the largest shock measured 5.2.

Volcano Details:

Country:  United States
Region:  California (USA)
Volcano Type: Volcanic field
Volcano Status: Tephrochronology
Last Known Eruption: 5550 BC ± 1000 years
Summit Elevation: 2,886 m  (9,468 feet)
Latitude: 36.358°N   (36°21’30″N)
Source: Global Volcanism Program (GVP)


The Golden Trout Creek volcanic field consists of a group of Quaternary alkali olivine basaltic cinder cones and lava flows in the Toowa valley of the Sierra Nevada about 25 km south of Mount Whitney. Lava flows from the Golden Trout Creek volcanic field erupted through Mesozoic granitic rocks of the Sierra Nevada batholith during several episodes dating back to about 743,000 years ago, when the Little Whitney cinder cone and lava flows were erupted. The South Fork cone was erupted about 176,000 years ago and produced the largest lava flow of the volcanic field, which traveled 10 km to the west, possibly as far as the floor of Kern Canyon. Tunnel cone to the north of South Fork (Red Hill) cone is undated, but its lava flow is overlain by glacial deposits and it is thought to be only slightly younger than South Fork cone. The youngest lava flow, from Groundhog cone, is unglaciated and thought to be about 5-10,000 years old (Moore and Lanphere 1983). The lava flow from Groundhog cone traveled 6 km west down Golden Trout Creek on top of the older flow from South Fork cone.—GVP.  
Photo: Rick Howard, 2002 (courtesy of Del Hubbs, U S Forest Service).

SI /USGS Weekly Volcanic Activity Report
(23 September – 29 September 2009)

New activity/Unrest:

News From GVP:

CVGHM reported that on 26 September a “thunderous” noise from Dieng was heard from 2 km away. The next day, a phreatic eruption from an unspecified crater ejected mud as far away as 140 m S.

KVERT reported that on 17 and 22 September a weak thermal anomaly over Karymsky was detected in satellite imagery. Scientists flying near Karymsky in a helicopter on 22 September saw ash plumes that rose to an altitude of 1.7 km (5,600 ft) a.s.l. and drifted E. —GVP

Ongoing Activity:

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FEWW Volcanic Activity Forecast

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Posted in Central Kamchatka, Chaiten, FEWW Volcanic Activity Forecast, island of Java, Karymsky, Kliuchevskoi, Mayon, Sakar, Shiveluch, Socorro, Sumatra, volcanism, volcanoes | Tagged: , , , , , , , , , , , , , , | Leave a Comment »

Volcano Watch: 24 February 2009

Posted by feww on February 26, 2009

Volcanic Activity Report: 18 February – 24 February 2009

Source: SI / USGS Weekly Volcanic Activity Report

New activity/unrest:

Volcano of the Week: Sibayak

Country:   Indonesia
Region:    Sumatra (Indonesia)
Volcano Type:    Stratovolcanoes
Last Known Eruption:     1881
Summit Elevation:     2212 m     7,257 feet
Latitude:     3.23°N     3°14’0″N
Longitude:     98.52°E     98°31’0″E


Sibayak volcano in NE Sumatra and its twin volcano Mt. Pinto are constructed within a compound caldera. The slightly higher Mt. Pinto partially overtops the 900-m-wide crater of Sibayak on the north. The summit contains a lava dome and an area of hydrothermal alteration visible in this photo. An ash eruption from Sibayak was recorded in 1881, and area residents note legends of eruptions. Photo by Tom Casadevall, 1987 (U.S. Geological Survey). Caption: GVP


Sibayak crater lake.
Credit: browngroove via flickr. See source for copyright information.

Ongoing Activity:

Posted in Barren Island, Karymsky, Kīlauea, Popocatépetl, Suwanose-jima | 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 »