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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Sun Oct 30, 2011 10:02 am 
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A new web cam was added a few days ago and now the image is much larger than the prior one. I wonder if the present quiet period may end in the near future,or it will continue sleeping. GCANE,if you see signs of life,please tell us.

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Sun Oct 30, 2011 3:16 pm 
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cycloneye wrote:
A new web cam was added a few days ago and now the image is much larger than the prior one. I wonder if the present quiet period may end in the near future,or it will continue sleeping. GCANE,if you see signs of life,please tell us.



Nice webcam - thanks Cycloneye. If I hear anything, I post ASAP.


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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Tue Nov 01, 2011 3:21 pm 
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GCANE,look at this uploaded image on 11/1/11 at 4:02 PM AST as ash comes out from Soufriere. Is this thing waking up??

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Tue Nov 01, 2011 7:38 pm 
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cycloneye wrote:
GCANE,look at this uploaded image on 11/1/11 at 4:02 PM AST as ash comes out from Soufriere. Is this thing waking up??


Uploaded by imageshack.us


It sure does Cycloneye. Thanks for the heads up. Will find out more.


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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Tue Nov 01, 2011 7:49 pm 
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Nothing at the moment from MVO. May see a report from them soon.

http://www.mvo.ms/en/soufriere-hills-vo ... ls-volcano


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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Tue Nov 01, 2011 7:59 pm 
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GCANE wrote:
Nothing at the moment from MVO. May see a report from them soon.

http://www.mvo.ms/en/soufriere-hills-vo ... ls-volcano


Also so far nothing from here.

http://www.ssd.noaa.gov/VAAC/messages.html

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Wed Nov 02, 2011 11:56 am 
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Level 3 is the alert right now from a scale from one to five.

http://www.mvo.ms/

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Fri Nov 04, 2011 3:28 pm 
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Here is the latest bulletin about the volcano and despite some ash comming out, they went down to level 2.

http://www.mvo.ms/whats-new/last-activi ... ember-2011

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Mon Nov 14, 2011 7:29 am 
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The latest update.

http://www.mvo.ms/whats-new/last-activi ... ember-2011

4 to 11 November 2011
Paul D. Cole Published on 11 November 2011 Hits: 312 Activity at the Soufrière Hills Volcano is at a low level.

The seismic network recorded three rockfalls and six volcano-tectonic events this week.

The average sulphur dioxide measurement over six days this week was 360 tons per day with a maximum of 645 and a minimum of 250 tons per day.

Clear views of the dome showed no changes in morphology and no fresh rockfall deposits were identified.

There was a moderate sized lahar in the Belham valley on 9 November associated with an intense thunderstorm. Caution should be exercised crossing the Belham valley during periods of heavy rain.

Despite the low level of activity, pyroclastic flows can still occur without any warning. The Hazard Level is 2. There is daytime access (8:00 am to 4:00 pm) to Zone C. Maritime zone W remains daytime transit only (boats may sail through the zone but must not stop)

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Sun Nov 20, 2011 4:41 pm 
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Advisories being issued for new ash emissions on Sunday November 20

The volcano has been doing this steam thing for the last two weeks as seen in the web cam.

http://www.ssd.noaa.gov/VAAC/messages.html

FVXX21 KNES 201618
VA ADVISORY
DTG: 20111120/1618Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
PSN: N1642 W06210

AREA: W_INDIES

SUMMIT ELEV: 3002 FT (915 M)

ADVISORY NR: 2011/004

INFO SOURCE: PIARCO MWO. GOES-13. GFS WINDS.

ERUPTION DETAILS: CONTINUOUS EMISSIONS

OBS VA DTG: 20/1515Z

OBS VA CLD: SFC/FL100 N1641 W06213 - N1640 W06208
- N1632 W06209 - N1629 W06218 - N1635 W06221 -
N1641 W06213 MOV SW 5-10KT

FCST VA CLD +6HR: 20/2130Z SFC/FL100 N1641 W06213
- N1640 W06209 - N1628 W06210 - N1623 W06222 -
N1629 W06228 - N1641 W06213

FCST VA CLD +12HR: 21/0330Z SFC/FL100 NO ASH EXP

FCST VA CLD +18HR: 21/0930Z NO ASH EXP

RMK: POSSIBLE VA EMISSIONS TO FL100 IN CONTINUOUS
PLUME FROM SUMMIT. POSSIBLE VA HAS BEEN
DISAPPATING APPROXIMATELY 15 NMI FROM SUMMIT.
...GUILLOT

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Sun Nov 20, 2011 4:48 pm 
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Last advisory for now:

FVXX21 KNES 201951
VA ADVISORY
DTG: 20111120/1949Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
PSN: N1642 W06210

AREA: W_INDIES

SUMMIT ELEV: 3002 FT (915 M)

ADVISORY NR: 2011/005

INFO SOURCE: GOES-13.

ERUPTION DETAILS: STEAM EMISSIONS

OBS VA DTG: 20/1932Z

OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.

FCST VA CLD +6HR: 21/0130Z

FCST VA CLD +12HR: 21/0730Z

FCST VA CLD +18HR: 21/1330Z

RMK: NO VA VISIBLE IN STLT DATA. EMISSIONS ARE
LIKELY STEAM. ...GUILLOT

NXT ADVISORY: NO FURTHER ADVISORIES

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Sat Feb 18, 2012 2:14 pm 
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That plume of ash is a little bit larger than in past few weeks,hmmm.

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 Post subject:
PostPosted: Sat Feb 18, 2012 2:45 pm 
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How long has it been since the last eruption?

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 Post subject: Re:
PostPosted: Sat Feb 18, 2012 2:55 pm 
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Hurricane Andrew wrote:
How long has it been since the last eruption?


November 2009 was the last big eruption. Here are all the past events.

http://www.mvo.ms/about-volcanoes/soufr ... t-eruption

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 Post subject:
PostPosted: Sun Feb 19, 2012 8:16 am 
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Thanks for keep us informed Cycloneye.


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 Post subject:
PostPosted: Sun Feb 19, 2012 2:18 pm 
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On the webcam, thos 'clouds' coming from the volcano are ash clouds, right?

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Sun Mar 18, 2012 1:10 pm 
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There was a small pyroclastic flow that occured on March 9th.

Around 5:20 pm (local time) on 9 March 2012, a small pyroclastic flow travelled down the western flanks of Soufriere Hills Volcano down Spring Ghaut. This small pyroclastic flow went about 1 kilometre to the west towards Plymouth before the ash dissipated in a small ash cloud, which rose about another 4000 feet and towards St. Georges Hill out to sea. The event was caught on the camera on Garibaldi Hill (pictured above) as well as on the thermal camera.

MVO’s seismic monitoring network also recorded the event. To the left is a plot of the seismic signal generated by the flow, as recorded from the seismometer at Fergus Ridge. MVO’s seismometers record pyroclastic flows as they occur. The shaking recorded by the seismometers is caused by the material in the flow colliding with the ground as it travels.

There were no precursors to this event. Although activity has generally been low, this event clearly illustrates that Soufriere Hills Volcano is still an active volcano and that pyroclastic flows can occur at any time with little to no warning.


http://www.mvo.ms/whats-new/events-a-ne ... ring-ghaut

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 Post subject: Re: Soufriere Volcano in Eastern Caribbean
PostPosted: Fri Mar 23, 2012 10:33 am 
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Increasing activity at Volcano

Let's see what occurs in the next hours and days as a definite increase in ash plume can be seen in the cam and confirmed by the folks who are there. See the cam down at the end of this post.

Activity at the Soufrière Hills Volcano is low, although seismicity has increased.

The seismic network recorded nine rockfalls, one hundred and five volcano-tectonic (VT) and four hybrid earthquakes. Two swarms of VT earthquakes have occurred, one between 16:04 and 16:51 hrs on the 22 March with 49 events and another between 03:10 and 05:27 hrs on 23 March with 54 events. Earthquakes in the second swarm were markedly larger than those in the first.

The average sulphur dioxide measurement this week was 433 tonnes per day with a maximum of 654 and a minimum of 282 tonnes per day.

Observations on the morning of 23 March showed several changes on the volcano. Steam venting (Fumarolic) activity on the volcano has increased and a new steam vent (fumarole) has appeared on the northwest face of the lava dome behind Gages Mountain. A pulsing steam vent containing a small amount of ash has formed in the back of the February 2010 collapse scar. Very light ashfall is occurring on the western flank of the volcano. Audible roaring associated with the venting can be heard intermittently from MVO, 5.75 km NW of the volcano.

Pyroclastic flows can still occur at any time without warning. Lahars (mudflows) remain a hazard. Tracks across the Belham valley are frequently destroyed or heavily modified by lahars, therefore caution should be exercised crossing the valley during and after rainfall.


http://www.mvo.ms/whats-new/last-activi ... march-2012

http://www.ssd.noaa.gov/VAAC/messages.html

FVXX23 KNES 231553
VA ADVISORY
DTG: 20120323/1552Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
PSN: N1642 W06210

AREA: W_INDIES

SUMMIT ELEV: 3002 FT (915 M)

ADVISORY NR: 2012/001

INFO SOURCE: GOES-13. GFS WINDS. VOLCANO WEB
CAMERA. MONTSERRAT OBSERVATORY.

ERUPTION DETAILS: VENTING OF GASES AND OCNL VERY
LIGHT NEAR SUMMIT VA EMISSIONS

OBS VA DTG: 23/1515Z

OBS VA CLD: FL/030 N1647 W06245 - N1645 W06211 -
N1629 W06211 - N1620 W06242 - N1647 W06245 MOV
W-SW 10KT

FCST VA CLD +6HR: 23/2130Z FL/030 N1649 W06253 -
N1646 W06210 - N1631 W06211 - N1610 W06252 -
N1649 W06253

FCST VA CLD +12HR: 24/0330Z FL/030 N1649 W06253 -
N1646 W06211 - N1630 W06212 - N1608 W06252 -
N1649 W06253

FCST VA CLD +18HR: 24/0930Z FL/030 N1650 W06254 -
N1646 W06210 - N1631 W06210 - N1609 W06252 -
N1650 W06254

RMK: THE VO RPTS INCR SEISMIC ACTIVITY WITH
VENTING OF GASES AND OCNL SMALL EMISSIONS OF VA.
THE VA FALLS OUT WITHIN 1 NM OF SUMMIT WITH GASES
FANNING OUT W-SW AROUND 23NM. IF MORE ASH RPRTD
WILL UPDATE. ...SWANSON


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 Post subject: Re: Soufriere Hills Volcano in E Caribbean (Increasing Activity)
PostPosted: Sat Mar 24, 2012 8:17 am 
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Saturday morning update:

FVXX23 KNES 241223
VA ADVISORY
DTG: 20120324/1222Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
PSN: N1642 W06210

AREA: W_INDIES

SUMMIT ELEV: 3002 FT (915 M)

ADVISORY NR: 2012/002

INFO SOURCE: GOES-15. GFS WINDS. METAR.

ERUPTION DETAILS: ONGOING EMISSIONS

OBS VA DTG: 24/1145Z

OBS VA CLD: SFC/FL040 N1647 W06210 - N1640 W06210
- N1617 W06300 - N1640 W06312 - N1647 W06210 MOV
WSW 5-10KT

FCST VA CLD +6HR: 24/1800Z SFC/FL040 N1647 W06209
- N1639 W06207 - N1621 W06304 - N1646 W06316 -
N1647 W06209

FCST VA CLD +12HR: 25/0000Z SFC/FL040 N1648
W06209 - N1639 W06205 - N1620 W06304 - N1647
W06314 - N1648 W06209

FCST VA CLD +18HR: 25/0600Z SFC/FL040 N1647
W06209 - N1638 W06204 - N1621 W06302 - N1645
W06316 - N1647 W06209

RMK: PLUME OF GASES AND LGT VA EXTENDS 35NM WSW
OF SUMMIT. JOHN OBSOURNE AIRPORT REPORTED VA AT
24/1100Z ...SALEMI


NXT ADVISORY: WILL BE ISSUED BY 20120324/1815Z

NNNN

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 Post subject: Re: Soufriere Hills Volcano (Increasing Activity)
PostPosted: Sat Mar 24, 2012 1:46 pm 
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Latest update at 18z or 2 PM AST

FVXX23 KNES 241808
VA ADVISORY
DTG: 20120324/1808Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
PSN: N1642 W06210

AREA: W_INDIES

SUMMIT ELEV: 3002 FT (915 M)

ADVISORY NR: 2012/003

INFO SOURCE: GOES-13. GFS WINDS. SEISMIC
DETECTION. METAR.

ERUPTION DETAILS: AREA OF VA MVING NW

OBS VA DTG: 24/1745Z

OBS VA CLD: SFC/FL050 N1658 W06227 - N1651 W06226
- N1644 W06245 - N1646 W06302 - N1653 W06300 -
N1658 W06227 MOV NW 10KT

FCST VA CLD +6HR: 25/0000Z SFC/FL050 NO ASH EXP

FCST VA CLD +12HR: 25/0600Z NO ASH EXP

FCST VA CLD +18HR: 25/1200Z NO ASH EXP

RMK: DETEACHED AREA OF VA MVING TO NW. VA
EXPECTED TO DISSIPATE OVER NEXT 6 HRS.
CONTINUOUS EMISSIONS OF STEAM AND GASES FROM
SUMMIT. ...SALEMI


NXT ADVISORY: WILL BE ISSUED BY 20120325/0015Z

NNNN

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