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August 22, 2003 Earthquake in South-central Maine
The New England Seismic Network reports that two small earthquakes occurred in the Augusta-Waterville area on Friday, August 22, 2003.
The following parameters have been calculated for the larger earthquake, which happened at 2:32:39 PM Eastern Daylight Time:
A slightly smaller earthquake (Mn = 2.1) occurred at 2:31:26 pm, just over a minute before the main shock. The smaller earthquake was probably centered in the Oakland area, but the calculated error is greater than 15 miles.
The Maine Geological Survey received 19 felt reports through its on-line form, from several towns in the Augusta area. Those reports indicate a Modified Mercalli Intensity of III in the immediate area. Several reports specifically mentioned noticing two events, in agreement with the instrumental record.
Last updated on October 6, 2005
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