Earthquake activity ramps up at Mount St. Helens
262188
Earthquake activity began increasing at Mount St. Helens, however overcast skies Saturday impeded scientists&#39; ability to see what was happening at the volcano.
26866
A 3.1-magnitude earthquake shook the crater at Mount St. Helens on Saturday, the strongest quake at the volcano since mid-October.
480102
VANCOUVER, Wash. -- A second steam eruption at Mount St. Helens and changes in seismic signals prompted the government to raise the volcano alert to Level Three on Saturday afternoon.
145389
Scientists in the US fear a volcano in Washington state could be on the verge of erupting. The area around Mount St Helens has been sealed off after geologists noticed a surge in seismic activity earlier this week.
685003
SEATTLE A series of increasingly strong earthquakes at Mount St. Helens may be signaling a small explosion. A swarm of hundreds of earthquakes began Thursday.
112832
While earthquakes, steam and magma are getting all the attention on Mount St. Helens these days, the volcano&#39;s most unique feature could
169523
Quake Activity Increases at Mount St. Helens; No Reason to Raise Alert Level, Scientists Say. Roiling clouds part briefly Saturday morning, Oct. 9, 2004, to show a new coat of snow on the crater and flanks of Mount St.
517402
More lava emerged Thursday on the crater floor of Mount St. Helens, expanding a rock formation building on the volcano's old lava dome.
114840
Scientists says this morning&#39;s steam burst at Mount St. Helens was just a &#39;prelude.&#39;. Earthquakes indicate magma apparently is still pushing up under the volcano and could result in a real eruption.
501377
A three-point-one magnitude earthquake shook the crater at Mount Saint Helens Saturday morning. That is the mountain&#39;s biggest earthquake since the new lava dome began growing in mid-October, according to the US- Geological Survey.
401130
The flurry of earthquakes at Mount St. Helens intensified further Thursday, and scientists warn that a small or moderate blast could spew ash and rock as far as three miles from the crater in the next few days.
52824
Mount St. Helens belched more steam Monday following several days of tremors and low-level earthquakes that have raised fears that the mountain might blow at any moment.
341298
Mount Rainier was shaken by its biggest earthquake in 30 years, but scientists said Tuesday that the increased seismic activity does not signal an eruption of the volcano.
656094
Steam seeping from a fracture atop the lava dome in Mount St. Helens' crater and the mountain's first noteworthy seismic activity since 2004 have caught scientists' attention this week as signs that something is moving inside it.
350956
Mount St. Helens has erupted for the first time in 18 years. Small earthquakes resumed within hours of the blast, suggesting pressure inside the mountain was rebuilding.
631872
SEATTLE - Earthquakes at Mount St. Helens continued to strengthen Thursday, as scientists warned the volcano could blow in the next few days.
262177
Part of the lava dome in Mount St. Helens&#39; crater has risen 50 to 100 feet since Tuesday while earthquake activity remained lowâ signs that molten rock is moving