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A 7.8-magnitude earthquake struck off the Alaskan coast on July 22, 2020.

Powerful 7.8-magnitude earthquake strikes off Alaska coast

By Jeanna Bryer published

Earthquakes
California Hills seen near the San Andreas Fault in California.

Weird, Z-shaped faults could trigger a large earthquake on California's San Andreas Fault

By Laura Geggel published

A big earthquake at Ridgecrest could trigger the Garlock fault, which would in turn trigger the San Andreas.

Earthquakes
A magnitude 7.4 earthquake struck the southern coast of Oaxaca, Mexico on June 23, 2020

Powerful 7.4 earthquake rocks southern Mexico, killing 1

By Brandon Specktor published

A powerful magnitude 7.4 earthquake struck the southern coast of Oaxaca, Mexico this morning, killing at least one person.

Earthquakes
The magnitude-6.5 earthquake happened near the Nevada-California border.

Magnitude-6.5 earthquake in Nevada has a long history of temblors

By Laura Geggel published

Earthquakes
A map showing the area of impact (the orange and yellow regions were hit hardest).

A magnitude 5.7 earthquake just slammed Utah, the state's largest in nearly 30 years

By Brandon Specktor published

A magnitude 5.7 earthquake struck northern Utah this morning. It was the state's largest quake since 1992.

Earthquakes
earthquakes, slow earthquakes, backwards earthquakes, seismology, geophysics, cascadia subduction zone, cascadia fault line, pacific northwest earthquakes

Silent earthquakes are tied to changes in fluid deep below Cascadia's fault

By Stephanie Pappas published

Fluid pressures in the Cascadia subduction zone are linked to regular, imperceptible earthquakes.

Earthquakes
The collapsed wall of the ruins of an iconic landmark lighthouse can be seen in Guanica, Puerto Rico, on Jan. 6, 2020, after it was destroyed by an earthquake.

Earthquake Forecast for Puerto Rico: Dozens More Large Aftershocks Are Likely

By Richard Aster published

Multiple strong and damaging earthquakes are wreaking havoc on Puerto Rico. And geoscientists forecast dozens more strong aftershocks are likely in the area.

Earthquakes
Debris from a collapsed wall litters the ground in Ponce, Puerto Rico following the Jan. 7 earthquake.

A Major Earthquake Knocked Out Power Across Puerto Rico This Morning

By Rafi Letzter published

It was the largest yet in a series of quakes to impact the island.

Earthquakes
The Cullinan diamond was mined in Premier Mine in South Africa in 1905. The same mine has yielded superdeep diamonds, which could hold secrets to the quakes occurring in the mantle's transition zone.

Diamonds Buried 400 Miles Below Surface Could Explain Mysterious Earthquakes

By Mindy Weisberger published

What's driving Earth's deepest earthquakes? Diamonds may hold answers.

Earthquakes
The 6.3-magnitude earthquake occurred about 176 miles (284 kilometers) west-northwest of Bandon, Oregon.

6.3-Magnitude Earthquake Strikes Off Oregon Coast

By Rachael Rettner published

A strong earthquake struck off the coast of Oregon today (Aug. 29), according to the U.S. Geological Survey (USGS).

Earthquakes
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