SAN DIEGO COUNTY, CA - Friday afternoon, a preliminary 2.3 magnitude quake was registered close to Borrego Springs, according to the U.S. Geological Survey.

According to the Alaska Earthquake Center, the Aleutian megathrust is the primary cause of the strongest earthquakes in the region. The Aleutian megathrust is a major subduction zone fault, an area where two tectonic plates meet.

A 7.8 magnitude undersea earthquake near Russia caused a tsunami scare. Here's why we fear the destructive waves

JUNEAU, Alaska -- A reported 7.5 magnitude earthquake off the Alaska Peninsula on Monday prompted tsunami warnings for a vast swath of communities, leading some schools to evacuate and send students to higher ground. The size of the quake was originally ...

The largest recorded earthquake in United States history was the 1964 Great Alaska earthquake, which struck on March 27, 1964, and registered magnitude 9.2 on the moment magnitude scale, according to the USGS.

What’s Shaking Alaska?! Welcome to your seismic update from across the state for the week of Oct. 8, brought to you by the Alaska Earthquake Center, where we monitor ground

A powerful 7.3 magnitude earthquake struck off Alaska's Aleutian Islands on Wednesday, prompting a tsunami warning and calls for coastal residents to seek higher ground, though officials later confirmed no significant damage or injuries. The tremor, which ...

ANCHORAGE -- A local television station was among the countless businesses heavily damaged in a pair of back-to-back earthquakes that hit Alaska's capital early Friday. Video shot inside the building housing Anchorage CBS affiliate KTVA showed damage to ...

On March 27, 1964, Alaska was struck by the most powerful earthquake ever recorded in North America. This defense department film tells the dramatic story of that devastating event — the destruction it caused,

WASHOE COUNTY, NV - at midnight on Thursday, a 2.0 magnitude quake was registered close to Incline Village, according to the U.S. Geological Survey.