Related topics: tectonic plates · earthquake

A new method produces improved surface strain rate maps

Earthquakes occur when tectonic strain that has gradually accumulated along a fault is suddenly released. Measurements of how much Earth's surface deforms over time, or the strain rate, can be used in seismic hazard models ...

Continuous activity of small earthquakes makes mountains grow

From a human perspective, earthquakes are natural disasters—in the past hundred years, they have caused more than 200,000 deaths and enormous economic damage. Mega-earthquakes with a magnitude of nine or higher on the Richter ...

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.

Electromagnetic anomalies that occur before an earthquake

It has been documented over hundreds of years that various electromagnetic anomalies occur a few weeks before the occurrence of a large earthquake. These electromagnetic anomalies are variations that appear in telluric current, ...

The driving force behind tropical mudslides

In April 2017, a landslide in Mocoa, Colombia, ripped through a local town, killing more than 300 people. Nicolás Pérez-Consuegra grew up about 570 miles north in Santander, Colombia, and was shocked as he watched the devastation ...

6.6 magnitude quake hits off Indonesia's Sumatra: USGS

A 6.6-magnitude earthquake struck off the west coast of Indonesia's Sumatra Friday, the United States Geological Survey said, triggering panic on the nearest island but there were no immediate reports of damage or casualties.

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