Scientists worry that recent activity seen on a satellite at a volcano near a major U.S. city could spell disaster for ...

Its murmurs tend not to be signs of volcanic unrest but rather the signature of avalanches large enough to register on nearby ...

An increase in seismicity—marked by frequent tremors—was observed recently at Alaska's Iliamna Volcano, which last erupted in ...

Wondering, “Was there an earthquake now?” Track the **latest earthquakes and aftershocks in California with this interactive map. Data is proudly provided by the U.S. Geological Survey … ...

Similar instances of land subsidence on the order of 2 m or greater occurred after Chile’s magnitude 9.5 earthquake in May 1960, as well as the 9.2 quake that struck Alaska in March 1964. MUST ...

First, seismologists and earthquake engineers at the U.S. Geological Survey, or USGS, produce the National Seismic Hazard Model. These maps, based on research into earthquake sources such as faults ...

You can visit the California Geological Survey's website for the extensive California tsunami hazard map. ... near the Oregon-California border four hours after a magnitude 9.2 earthquake in Alaska.

Most notably, the 1964 Alaska earthquake set off a catastrophic tsunami that devastated the city, washing away 29 blocks and killing at least 11 people. Surges reached 21 feet above the average ...

Elena Suleimani, a tsunami modeler for the Alaska Earthquake Center and coauthor of the existing guidelines, admits they’re imperfect. While she’s created harbor-specific maps outlining where the ...

The color-coded map shows a range of earthquake probability across the U.S. Well known high-risk areas, such as California and Alaska, are coded in dark red, denoting the highest risk.

Following the earthquake and tsunami warning that shook up the California and Oregon coasts on Thursday, the Oregon Department of Emergency Management is urging Oregonians to be mindful of hazard ...