December 2008 Commentary

A minor earthquake occurred at 04:19 AM (PST). This event was located about 4 miles ENE of Quincy, CA. The moment magnitude for this event, determined at Berkeley, is 4.5. The maximum modified Mercalli intensity was IV. Shake Map of instrument intensities measured for this event, is available. ("Did You Feel It?") Map.

A minor earthquake occurred at 10:15 AM (PST). This event was located about 7 miles S of Tres Pinos, CA. The local magnitude for this event is 3.6.

A minor earthquake occurred at 12:09 PM (PST). This event was located about 8 miles S of Tres Pinos, CA. The moment magnitude for this event, determined at Berkeley, is 3.6. 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 09:35 AM (PST). This event was located about 8 miles S of Tres Pinos, CA. The moment magnitude for this event, determined at Berkeley, is 4.0. The maximum modified Mercalli intensity was IV. Shake Map of instrument intensities measured for this event, is available. ("Did You Feel It?") Map.

A minor earthquake occurred at 08:25 AM (PST). This event was located about 7 miles NE of Milpitas, CA. The local magnitude for this event is 3.5. The maximum modified Mercalli intensity was IV. ("Did You Feel It?") Map.