In the past four days, Mount St. Helens has been quaking, with 40 earthquakes - the most powerful of which was a 3.9 - in that short time. Since the largest earthquake, which happened last night around midnight local time, smaller earthquakes have shaken the area every half hour. Researchers believe that the activity could be related to activity within the nearby volcano. Earthquakes are not unusual around Mount St. Helens, it has been seismically active since records began. And while...
from Inhabitat - Green Design, Innovation, Architecture, Green Building https://inhabitat.com/40-earthquakes-hit-mount-st-helens-in-4-days
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