The first slow-slip events seen off southern Costa Rica

Slow-slip events (SSEs) are slow earthquake ruptures that generate just a few centimeters of slip over periods ranging from days to years. They are thought to occur in many of the world's subduction zones, but these subtle ...

Researchers uncover secrets on how Alaska's Denali Fault formed

When the rigid plates that make up Earth's lithosphere brush against one another, they often form visible boundaries, known as faults, on the planet's surface. Strike-slip faults, such as the San Andreas Fault in California ...

Slow slips offer insights into earthquakes

Significant earthquakes, from gentle shaking to devastating tremors, are hazards caused by a sudden release of stress that has built up in geological faults. More subtle events called slow slips are attracting increasing ...

Slow earthquakes in Cascadia are predictable

If there is one word you are not supposed to use when discussing serious earthquake science, it is "predict." Seismologists cannot predict earthquakes; instead they calculate how likely major earthquakes are to occur along ...

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