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Volcanoes in multiple states have been rumbling. What's going on?
Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.
Volcanic activity in 4 key US states sparks concern, scientists monitor earthquakes at Mount Rainier; What's happening?
Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to sleep. Two volcanoes, one in Alaska and one in Hawaii, are experiencing active ...
Tsunami advisory issued then cancelled after shallow 7.3-magnitude quake rattles Alaska's south coast
A powerful undersea earthquake struck off the southern coast of Alaska on Wednesday, setting off a tsunami advisory and ...
Earthquakes continue to rattle Mount Rainier, now biggest seismic event in recent history
This is now the largest recorded earthquake swarm at Mount Rainier since seismic monitoring at the volcano began in 1982, the ...
What is an earthquake swarm? Washington's most famous volcano records its ‘largest’ one in 15 years
One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...
CNN1y
Modern US earthquakes could be century-old aftershocks, study says - CNN
Aftershocks from devastating earthquakes in the 1800s near the Missouri-Kentucky border and in Charleston, South Carolina, may still be occurring, a study found.
Newsweek1y
US earthquakes today may be aftershocks from James Madison's time
Earthquakes today in the U.S. could be left over from seismic activity in the 1800s, scientists have found. In a new study, published in the Journal of Geophysical Research: Solid Earth ...
Mercury News1y
Modern earthquakes in US could be aftershocks from quakes in the 1800s ...
The researchers found that approximately 30% of all earthquakes from 1980 to 2016 near the Missouri-Kentucky border, all magnitude 2.5 or greater, were likely aftershocks from the three major ...