Do melting glaciers cause Earth Quakes?

Scientist believed from half a century that the melting of glaciers caused Earthquake, even in those regions which are stable tectonically.


For example, in Alaska, it is harder to differentiate the earthquakes from those due to glaciers’ melting because, in this region, earthquakes are frequent.

The researcher now found and believe that the loss of ice is setting the stage for the Earthquake.

The surface of sink due to accumulation of ice, when the ice starts melting the earth’s surface, gradually moves back to its normal position called “Elastic Effect.”

According to geologists, the southern Alaska region’s surface rising about 1.5 inches per year due to ice melting.

Crustal Rebound, also known as isostatic Rebound or post glacier bound ” Rising of earth surface after the elimination of wieghts of ice-sheets.”

The distribution of ice mass also causes the deformation of the earth’s crust.

Chris Rollins, Jeffrey T. Freymueller, Jeanne M. Sauber. Stress Promotion of the 1958 M w ∼7.8 Fairweather Fault Earthquake and Others in Southeast Alaska by Glacial Isostatic Adjustment and Inter‐earthquake Stress TransferJournal of Geophysical Research: Solid Earth, 2021; 126 (1) DOI: 10.1029/2020JB020411

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