April 2009 Commentary

A minor earthquake occurred at 15:50 PM (PDT). This event was located 9 miles N of Morgan Hill, CA. The moment magnitude for this event, determined at Berkeley, is 3.5. Shake Map of instrument intensities measured for this event, is available.

A minor earthquake occurred at 08:09 AM (PDT). This event was located 1 mile NNE of The Geysers, CA. The moment magnitude for this event, determined at Berkeley, is 3.7. The maximum modified Mercalli intensity was V. Shake Map of instrument intensities measured for this event, is available. (Did You Feel It?") Map.

A strong earthquake occurred at 02:27 PM (PDT). This event was located in the Hindu Kush Region of Afghanistan about 25 miles SW of Jalalbad. The magnitude for the earthquake, determined by the U.S. Geological Survey, is 5.5. At least 19 people killed, 51 injured, more than 200 homes destroyed and some livestock killed in Nangarhar. Felt( V) at Jalalabad, (II) at Islamabad and Kabul. USGS NEIC information.

A large earthquake occurred at 06:32 PM (PDT). This event was located in Central Italy, 4 miles NW of L'Aquila and 55 miles NE of Rome. The moment magnitude for the earthquake, determined by the U.S. Geological Survey, is 6.3. At least 287 people killed, 1,000 injured, 40,000 homeless and 10,000 buildings damaged or destroyed in the L'Aquila area. Felt throughout central Italy. USGS NEIC information.

A minor earthquake occurred at 11:02 AM (PDT). This event was located off the coast about 26 miles W of Ferndale, CA. The moment magnitude for this event, determined at Berkeley, is 3.8. The maximum modified Mercalli intensity was IV. Shake Map of instrument intensities measured for this event, is available. (Did You Feel It?") Map.