Tuesday, 14 July 2020
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Costa Rica trembles about 12 times a day: Ticos scientists will map areas more prone to earthquakes

Earthquakes are quite common in Costa Rica. Every day it trembles. This is proven by the 200,000 earthquakes registered since 1973; that is, Costa Rica shakes and rolls on average 12 times a day. The strongest was the Limón earthquake of April 22, 1991, with...

Acoustic imaging reveals hidden features of megathrust fault off Costa Rica

Geophysicists have obtained detailed three-dimensional images of a dangerous megathrust fault west of Costa Rica where two plates of the Earth's crust collide. The images reveal features of the fault surface, including long grooves or corrugations, that may determine how the fault will slip in...

Seamounts Explain Sunday Night’s Strong Earthquake in Jacó

The 6.9 magnitude earthquake that shook Costa Rica Sunday night is due to the friction exerted by the seamounts of the Coco plate when it submerges under the Caribbean plate, on which Costa Rica is located. When sufficient energy is accumulated by the thrust of...

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