« January 2007 | Main | March 2007 »

2007 February 28

USGS Update 2007-Feb-28 09:31

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the east.

Recent observations: A winter storm persists in the area obscuring all views of the volcano. Low levels of seismicity that have accompanied dome growth continue and are unchanged from recent levels.

2007 February 27

USGS Update 2007-Feb-27 09:04

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the north-northwest early in the day and to the northeast later in the day.

Recent observations: The volcano remains obscured by clouds due to a prolonged winter storm. The storm has caused temporary outages of some stations, but portions of the monitoring network are functional at all times. Small earthquakes, characteristic of the eruption, continue and are unchanged from recent levels.

2007 February 26

USGS Update 2007-Feb-26 08:36

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift northeast.

Recent observations: Clouds are again hiding the volcano from view this morning, and with a forecast of off-and-on snowfall through the end of the week viewing conditions are not likely to improve any time soon. Seismicity accompanying dome extrusion continues, however, with overall levels unchanged over the last 24 hours.

2007 February 25

USGS Update 2007-Feb-25 08:35

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the northeast.

Recent observations: A series of strong storms have brought wintery conditions back to the volcano this weekend, resulting in significant snow accumulations, occasional data outages, and completely obscured views from remote cameras. Seismicity accompanying dome extrusion continues, however, including a M 2.9 earthquake that occurred at 0358 PST this morning. Overall seismicity levels remain low and were unchanged over the last 24 hours.

2007 February 24

USGS Update 2007-Feb-24 10:24

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift north northeast early in the day and northeast later in the day.

Recent observations: Clouds obscure views of the mountain and into the crater today. Such tenebrous views will most likely be bothersome for those hoping to see the volcano. Earthquakes accompanying dome extrusion continue similar to that of the past several days. Overall seismicity levels remain unchanged over the last 24 hours.

2007 February 23

USGS Update 2007-Feb-23 13:32

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the northeast today, shifting to the east-southeast later this evening.

Recent observations: Clouds continue to obscure views into the crater, and likely will do so for the next several days. Occasional earthquakes accompanying dome extrusion continue to occur, with overall seismicity levels unchanged over the last 24 hours.

2007 February 22

USGS Update 2007-Feb-22 10:35

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift north today, shifting to the northeast by this evening.

Recent observations: Clouds obscure views into the crater this morning, and likely will do so for the next several days. Seismicity levels were unchanged over the last 24 hours, with occasional earthquakes accompanying dome extrusion continuing to occur.

2007 February 21

USGS Update 2007-Feb-21 09:33

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift northeast early in the day and north northeast later in the day.

Recent observations: Visibility into the snow covered crater has been fairly good this morning, but the clouds are expected to move in later today. The volcano continues slow extrusion of a lava spine. Over the past 24 hours seismicity has remained low and unchanged from recent levels.

2007 February 20

USGS Update 2007-Feb-20 10:42

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift northeast.

Recent observations: The mountain is obscured by clouds this morning and will likely remain that way for the rest of the day. There has been no change in the low level of seismicity during the past 24 hours. Seismic stations are recording some noise in response to wind and rain.

News Update

  • Sides dig in for mine debate 2007-Feb-20 00:00 from The Seattle Times

    In the 1980s an environmental group bought roughly 900 acres of land and mining claims at the edge of the Mount St. Helens National Volcanic Monument and turned it over to the U.S. Forest Service "to preserve the integrity" of a nearby river.

    Today, a mining company wants to explore the same land in the Gifford Pinchot National Forest for copper, gold, molybdenum and silver.

    The prospect of a new mine in the volcano's forested foothills has riled environmentalists, who are particularly irked because the land was purchased for its own protection. At the same time, the potential for new mining jobs is raising hopes in economically depressed nearby towns.

2007 February 19

USGS Update 2007-Feb-19 09:02

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the east or southeast.

Recent observations: The volcano is obscured by clouds this morning. There has been no change in the low level of seismicity during the past 24 hours. Two GPS stations placed on the active part of the growing lava dome on February 2 are moving at nearly constant rates, which indicates that lava extrusion is continuing.

2007 February 18

USGS Update 2007-Feb-18 09:46

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the northeast early, shifting to southeast later in the day.

Recent observations: The eruption continues as slow extrusion accompanied by small earthquakes and rockfalls, occasionally punctuated by larger earthquakes. There have been no significant changes in activity over the past 24 hours.

2007 February 17

USGS Update 2007-Feb-17 07:47

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift east-northeast early in the day and to the northeast late.

Recent observations: The crater is clear this morning. The respite from stormy conditions is expected to be brief with precipitation forecast again for this evening. Over the past 24 hours seismicity has remained low and unchanged from recent levels.

2007 February 16

USGS Update 2007-Feb-16 11:24

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift east-southeast.

Recent observations: The crater is obscured by clouds and precipitation this morning. Similar conditions are expected for the remainder of today. Over the past 24 hours seismicity has remained low and unchanged from recent levels. Analysis of images taken over the last ten days indicate that the eruption continues.

2007 February 15

USGS Update 2007-Feb-15 09:00

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the east.

Recent observations: There has been no change in the low level of seismicity during the past 24 hours. Seismic stations are recording storm noise caused by wind and rain. The volcano is obscured by clouds this morning and will likely remain that way for the rest of the day.

2007 February 14

USGS Update 2007-Feb-14 11:02

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift southeast early in the day, shifting to predominantly to the east late in the day.

Recent observations: Cloudy conditions prevail at the mountain this morning. The crater was clear beneath the cloud cover early but is now shrouded. Viewing conditions are expected to continue to deteriorate today. Over the past 24 hours seismicity has remained low and unchanged from recent levels. A M3.4 earthquake occured yesterday afternoon at 4:15pm local time.

2007 February 13

USGS Update 2007-Feb-13 11:31

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the southeast this morning and to the south-southeast later in the day.

Recent observations: The volcano is obscured by clouds this morning. Seismicity and ground deformation remain at low levels. A magnitude 2.3 earthquake near the volcano at 5:17 a.m. today is typical of the current background level of seismicity. Slow growth of the lava dome continues.

2007 February 12

USGS Update 2007-Feb-12 09:09

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift northeast.

Recent observations: Seismicity remains at low levels. The volcano continues to be obscured by clouds.

2007 February 11

USGS Update 2007-Feb-11 09:55

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift NNE in the morning, shifting to more directly NE in the afternoon.

Recent observations: Heavy clouds obscure the volcano today. Earthquake activity remains unchanged at low levels.

2007 February 09

USGS Update 2007-Feb-09 10:05

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift NE.

Recent observations: The inside of the crater is currently obscured by clouds, but periods of clearing may occur throughout the day. Seismicity remains at low levels

2007 February 08

USGS Update 2007-Feb-08 09:34

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift NNE with upper level winds this afternoon trending more directly NE.

Recent observations: The volcano is obscured by clouds at the time of this update. Seismicity levels remain low.

2007 February 07

USGS Update 2007-Feb-07 10:40

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift to the north.

Recent observations: The volcano is obscured by clouds, but seismicity remains at the the low level of recent months.

2007 February 06

USGS Update 2007-Feb-06 09:11

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift northeast.

Recent observations: The volcano is obscured by clouds today. Field work last Friday was successful in servicing cameras and seismometers that needed attention on account of winter conditions.

2007 February 05

USGS Update 2007-Feb-05 11:24

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift NE.

Recent observations: MSH is clear this morning, with high overcast. The steam plume is light and does not extend above the crater rim. Seismic activity is similar to recent levels.

2007 February 04

USGS Update 2007-Feb-04 11:01

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift eastward.

Recent observations: Visibility into the crater is good this morning. The volcano continues slow extrusion of a lava spine, and seismometers are registering very small earthquakes periodically.

2007 February 03

USGS Update 2007-Feb-03 10:10

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift east-southeast in the morning and east in the later part of the day.

Recent observations: Visibility into the crater has been fairly good this morning, but the clouds are settling in. Scientists had a successful day in the crater on Friday. Instruments were set up on the lava spine in order to better monitor incremental growth. The volcano continues slow extrusion of a lava spine, and seismometers are registering very small earthquakes periodically.

2007 February 02

USGS Update 2007-Feb-02 10:14

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift southward in the morning and southeast in the later part of the day.

Recent observations: Visibility into the crater is good this morning, and scientists will attempt some fieldwork despite the strong winds today. The volcano continues slow extrusion of a lava spine, and seismometers are registering very small earthquakes periodically. At 3:45 PM yesterday, a magnitude 3.4 earthquake punctuated the regular pattern of magnitude 1-3 earthquakes. A resulting small plume of ash rose above the crater rim and quickly dissipated.

2007 February 01

USGS Update 2007-Feb-01 10:53

Potential ash hazards: Wind forecasts from the National Oceanic and Atmospheric Administration (NOAA), coupled with eruption models, show that any ash clouds rising above the crater rim today would drift S-SW.

Recent observations: MSH is clear today. A slight steamy plume rises to just over the rim. Seismic levels are unchanged from yesterday.