August 2009 Commentary

A mild earthquake occurred at 02:21 PM (PDT). This event was located about 28 miles E of Lee Vining, CA. The moment magnitude for this event, determined at Berkeley, is 3.7. The maximum modified Mercalli Intensity for the event was III. Shake Map of instrument intensities measured for this event, is available (Did You Feel It?") Map.

A major earthquake occurred at 03:19 AM (PDT). This event was located in the Andaman Islands, India Region, about 165 miles N of Port Blair. The moment magnitude for this event, determined by the USGS National Earthquake Information Service, is 7.5. NEIC Information for this event.

A major earthquake occurred at 02:10 AM (PDT). This event was located in the Izu Islands, Japan Region, about 105 miles S of Hamamatsu, Honshu, Japan. The moment magnitude for this event, determined by the USGS National Earthquake Information Service, is 7.1. The maximum intensity for the event was V at Narita. NEIC Information for this event.

A moderate earthquake occurred at 03:49 AM (PDT). This event was located Offshore of Northern California about 19 miles W of Petrolia, CA. The moment magnitude for this event, determined at Berkeley, is 4.9. The maximum modified Mercalli Intensity for the event was III. Shake Map of instrument intensities measured for this event, is available (Did You Feel It?") Map.