January 2009 Commentary

A minor earthquake occurred at 12:49 PM (PST). This event was located about 7 miles S of Tres Pinos, CA. The moment magnitude for this event, determined at Berkeley, is 3.5.

A minor earthquake occurred at 01:12 AM (PST). This event was located about 7 miles S of Tres Pinos, CA. The moment magnitude for this event, determined at Berkeley, is 3.8. The maximum modified Mercalli intensity was III. Shake Map of instrument intensities measured for this event, is available. ("Did You Feel It?") Map.

A minor earthquake occurred at 00:57 AM (PST). This event was located about 6 miles S of Tres Pinos, CA. The moment magnitude for this event, determined at Berkeley, is 3.5. The maximum modified Mercalli intensity was II. ("Did You Feel It?") Map.

A minor earthquake occurred at 00:14 AM (PST). This event was located about 7 miles S of Tres Pinos, CA. The moment magnitude for this event, determined at Berkeley, is 3.8. The maximum modified Mercalli intensity was III. Shake Map of instrument intensities measured for this event, is available.

A minor earthquake occurred at 10:06 PM (PST). This event was located about 7 miles S of Tres Pinos, CA. The moment magnitude for this event, determined at Berkeley, is 3.9. The maximum modified Mercalli intensity was III. Shake Map of instrument intensities measured for this event, is available. ("Did You Feel It?") Map.

A major earthquake occurred at 09:49 AM (PST). This event was located East of the Kuril Islands, about 270 miles S of Severo-Kuril'sk, Kuril Islands, Russia. The moment magnitude for this event, determined b the U.S. Geological Survey, is 7.4. USGS NEIC information.

A minor earthquake occurred at 06:44:08 AM (PST). This event was located about 7 miles S of Tres Pinos, CA. The moment magnitude for this event, determined at Berkeley, is 3.7. The maximum modified Mercalli intensity was III. Shake Map of instrument intensities measured for this event, is available.

A minor earthquake occurred at 06:43:53 AM (PST). This event was located about 7 miles S of Tres Pinos, CA. The local magnitude for this event is 3.8. The maximum modified Mercalli intensity was III. Shake Map of instrument intensities measured for this event, is available. ("Did You Feel It?") Map.

A minor earthquake occurred at 09:08 PM (PST). This event was located about 4 miles SSW of Tres Pinos, CA. The local magnitude for this event is 3.8. The maximum modified Mercalli intensity was IV. ("Did You Feel It?") Map.

A minor earthquake occurred at 01:18 AM (PST). This event was located about 11 miles SW of Ukiah, CA. The moment magnitude for this event, determined at Berkeley, is 3.8. The maximum modified Mercalli intensity was II. Shake Map of instrument intensities measured for this event, is available. ("Did You Feel It?") Map.

A large earthquake occurred at 11:21 AM (PST). This event was located in costa Rica, about 20 miles NNW of San Jose, Costa Rica. The moment magnitude for this event, determined by the U.S. Geological Survey, is 6.1. USGS NEIC information. At least 20 people killed in the Cinchona-Dulce Nombre area. Many of the casualties were caused by landslides. Many people were injured, several buildings were damaged and landslides blocked roads in the area. Electricity was disrupted in parts of San Jose. Felt (VI) at Asuncion, Grecia and San Pablo.

A light earthquake occurred at 09:27 AM (PST). This event was located about 2 miles SE of The Geysers, CA. The moment magnitude for this event, determined at Berkeley, is 4.3. The maximum modified Mercalli intensity was IV. Shake Map of instrument intensities measured for this event, is available. ("Did You Feel It?") Map.

A major earthquake occurred at 02:33 PM (PST). This event was located near the North Coast of Papua, Indonesia, about 55 miles WNW of Manokwari, Papua, Indonesia The moment magnitude for this event, determined by the U.S. Geological Survey, is 7.4. USGS NEIC information. Damage and casualties are included with the event at 11:43 AM (PST). Felt (VII) at Manokwari, (VI) at Sorong, (IV) at Nabire and (III) at Biak.

A major earthquake occurred at 11:43 AM (PST). This event was located near the North Coast of Papua, Indonesia, about 90 miles WNW of Manokwari, Papua, Indonesia The moment magnitude for this event, determined by the U.S. Geological Survey, is 7.6. USGS NEIC information. At least four people killed at Manokwari and one killed at Sorong. At least 250 people injured, 840 buildings damaged and power outages in West Papua. Felt (VI) at Manokwari and Sorong; (IV) at Nabire and Ransiki.