Earthquakes in Guam

In Guam there are partly large earthquakes with strengths of more than 7.0, which cause damages within a radius of over 100 kilometers. Due to the special tectonic situation of the country, there are more earthquakes than average.

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Earthquakes in Guam since 1950

The strongest earthquake in Guam happened on 08/08/1993 in the region Tuman Bay, Apra Harbor with a magnitude of 7.8 on the Richter scale. The earthquake also triggered a tsunami with further victims and destructions.
DateRegionTiefeMagnitudeDeathsTotal damage
04/26/2002Guam7 km7.10
10/12/2001Guam16 km7.00
08/08/1993Tuman Bay, Apra Harbor24 km7.80
11/01/1975Guam33 km6.10


These statistics are based on datas from the National Geophysical Data Center / World Data Service (NGDC/WDS): Significant Earthquake Database. doi:10.7289/V5TD9V7K. Several data have been summarized and translated.