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23. Juni 2024 · VANCOUVER, Wash. ( KPTV /Gray News) - Mount St. Helens, which notoriously erupted in 1980, has been showing signs of increased seismic activity lately, according to the U.S. Geological...
30. Okt. 2023 · There is no change in Volcano Alert Level or Aviation Color Code at this time. Mount St. Helens remains at normal, background levels of activity. Current Observations. At Mount St. Helens, over 400 earthquakes have been located by the Pacific Northwest Seismic Network since July 15, 2023. In late August to early September, about 40 ...
21. Juni 2024 · Small earthquakes beneath Mount St. Helens are generally thought by scientists to be part of a ‘recharge’ process where magma builds up beneath the volcano.
8. Nov. 2023 · VANCOUVER, Wash. — About 400 earthquakes have rumbled under Mount St. Helens since mid-July, the largest chain of shakes since the volcano finished erupting in 2008, the U.S. Geological...
18. Juni 2024 · Small magnitude earthquakes located beneath Mount St. Helens at depths well below sea level are generally thought to be associated with pressurization of the magma transport system. One cause for this pressurization is the arrival of additional magma, a process called recharge.
25. Mai 2020 · Der Ausbruch des Mount St. Helens gilt als eine der stärksten Eruptionen des 20. Jahrhunderts - und als die tödlichste in der Geschichte der USA. 57 Menschen und Tausende Tiere kamen ums...
8. Nov. 2023 · VANCOUVER, Wash. (AP) — More than 400 earthquakes have been detected beneath Washington’s Mount St. Helens in recent months, though there are no signs of an imminent eruption, according to the U.S. Geological Survey.
