Posted by feww on October 7, 2009
Image of the Day: Soufriere Hills undergoes three vigorous ‘ash venting’ episodes
Soufriere Hills Volcano has remained at an increased activity level, after undergoing three vigorous ‘ash venting’ events, with the third event lasting 10 minutes, at 10:00am local time on October 5, 2009. Photo: Montserrat Volcano Observatory. Image may be subject to copyright.
MVO reported a small swarm of VT earthquakes, followed by “a period of tremor associated with vigorous ash venting” that resulted in large ash plumes drifting WNW over the island and out to sea. “Only a very light dusting of ash fell in Old Towne and Olveston as the plumes moved to the south of the inhabited areas.”
MVO observed no explosive activity or pyroclastic flows associated with the ash venting, which ceased at about 12:00am local time. “Two rockfall signals followed the vigorous ash venting,” followed by continual ash venting, however, no further seismicity occurred.
After 10 months of relative quiet, Soufriere Hills volcano on the Caribbean island of Montserrat blasted ash into the sky in early October 2009. This natural-color satellite image shows a plume of ash extending westward from Soufriere Hills on October 6, 2009, a day after eruptive activity resumed on October 5th. A pilot reported ash extending 280 kilometers (170 miles) at an elevation of approximately 3,600 meters (12,000 feet). In 1995, a series of major eruptions forced the evacuation of the Montserrat’s former capital city, Plymouth. NASA image by Jeff Schmaltz, MODIS Rapid Response, NASA Goddard Space Flight Center. The Rapid Response Team provides twice-daily images of this region. Caption by Robert Simmon. [Edited by FEWW]
FEWW Volcanic Activity Forecast
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Posted in Caribbean islands, island of Montserrat, Montserrat, Plymouth, stratovolcano, volcanic activity, volcanic unrest, volcanism | Tagged: ash plumes, Old Towne, Olveston, Soufriere Hills Volcano, vigorous ash venting episodes, volcano-tectonic tremors, VT earthquakes | 2 Comments »
Posted by feww on October 7, 2009
Typhoon Melor Drenches the Windswept Land of Rising Sun
Wind gusts of up to 60km/h have already been reported in Japan’s Kinki region, about 675km (420 miles) from the center of Typhoon Melor.
Lets hope the overdue large quake which FEWW forecast for the Tokyo Bay area won’t occur right now, making the typhoon’s impression any deeper.
Typhoon Melor. MTSAT RGB Image. Date and Time as Inset. To enlarge and update, click on image.
Near Real-Time Animation
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Typhoon Melor Stats as of 00:50 UTC, 7 October 2009
Center of probability circle: N35°05′(35.1°), E136°20′(136.3°)
Direction and speed of movement: NNE 45km/h (23kt)
Central pressure: 960hPa (720.1mmHg)
Maximum wind speed near the center: 40m/s (75kt= 144km/h)
Maximum wind gust speed: 55m/s (105kt = 198km/h)
Radius of probability circle: 160km (85NM)
Storm warning area Wide: 300km (160NM)
[Conversions by FEWW]
00:00 UTC, Oct 7, 2009
Typhoon Melor 3-day forecast track. Source: JMA. Image may be subject to copyright.
[Valid as of posting] Typhoon Warning and Advisory regions. Source: JMA. Image may be subject to copyright.
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