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Can strike-slip (horizontal motion) earthquakes trigger tsunamis?

April 26, 2017earthquakes horizontal motion strike-slip Trigger tsunamis

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Can strike-slip (horizontal motion) earthquakes trigger tsunamis?

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• Yes, approximately 15% of all damaging tsunamis were triggered by strike-slip earthquakes. • This type of earthquake is less likely to trigger a tsunami than one with vertical motion. • The waves are likely generated by associated landslides or motion of a sloping bathymetric feature. • Tsunamis generated by strike-slip earthquakes normally affect regions near the source only.

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Yes, approximately 10-15% of damaging tsunamis are triggered by strike-slip earthquakes. This type of earthquake is less likely to trigger a tsunami than one with vertical motion. The waves are likely generated by associated landslides or motion of a sloping bathymetric feature. Tsunamis generated by strike-slip earthquakes normally affect regions near the source only.