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Observations of Triggering of Earthquakes and Tremor in Mexico by Remote Earthquakes

Description: 

After a large magnitude earthquake occurs some areas near its epicenter experience an increase in seismic activity. However, increases in seismicity have also been observed in places very distant from large earthquakes the moments after they occur. This phenomenon is known as dynamic or remote triggering of seismicity. This is explained as the result of physical changes caused by the passing of the seismic waves that bring faults closer to failure. Besides regular earthquakes, other types of seismic events can be dynamically triggered, including tectonic tremor and slow slip events. In this work, we present observations of dynamic triggering in Mexico caused by global earthquakes, as well as observations of dynamic triggering in other parts of the world caused by Mexican earthquakes, including the large 2017 M8.2 Tehuantepec, Mexico earthquake.

Session: New Observations and Modeling of Triggered Seismicity

Type: Oral

Date: 4/19/2023

Presentation Time: 04:30 PM (local time)

Presenting Author: Hector Gonzalez-Huizar

Student Presenter: No

Invited Presentation: 

Authors