Aftershocks of 1959 earthquake rocked Yellowstone in 2017-18

On Aug. 17, 1959, back when Dwight D. Eisenhower was president, the U.S. had yet to send a human to space and the nation's flag sported 49 stars, Yellowstone National Park shook violently for about 30 seconds. The shock was ...

Icelandic volcano swell signals potential eruption

Small earthquakes and a so-called "inflation" of the mountain, signalling a potential volcanic eruption, have been reported near Iceland's famous "Blue Lagoon," local authorities said Monday.

What causes earthquake foreshocks?

On the morning of July 4, 2019, a series of very small earthquakes began to rumble in the Mojave Desert, not far from the southern California town of Ridgecrest.

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