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.

Other natural hazards in Guam:
› Typhoons
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Back to overview: Guam

Most recent events

This list includes the strongest earthquakes recorded in or around Guam by the U.S. Geological Survey (USGS) in the past 14 days. Whether an event is listed here depends largely on its magnitude, but also on its distance from inhabited areas. All data refer to the local time. This page is updated daily at 11am UTC.

Sept. 21, 1:42 am
Magnitude 4.9: 30 km north-northeast of Yigo Village at a depth of 132.10 km.
Oct. 3, 4:31 am
Magnitude 5.4: 247 km northeast of Saipan, Northern Mariana Islands at a depth of 10.52 km.
Oct. 2, 12:14 pm
Magnitude 5.5: Mariana Islands at a depth of 19.83 km.

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.

Date	Region	Depth	Magnitude
04/26/2002	Guam	7 km	7.1
10/12/2001	Guam	16 km	7.0
08/08/1993	Tuman Bay, Apra Harbor	24 km	7.8
11/01/1975	Guam	33 km	6.1

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.

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