October 24, 2001 Earthquake in Central Maine

The U.S. Geological Survey reports that an earthquake occurred at 8:24:30 p.m. Eastern Daylight Time on Wednesday, October 24, 2001, south of Howland in central Maine. It was felt widely from Lincoln to Bangor in Penobscot County, and at scattered locations in Hancock and Washington Counties.

The following parameters have been calculated for the earthquake (this is a preliminary determination):

Preliminary magnitude	3.3
Preliminary location	45 deg. 12 min. North latitude, 68 deg. 40 min. West longitude
Depth	5 kilometers
This places the epicenter about 3 miles south of Howland.

Further Information:

Initial report by the US Geological Survey, within two hours of the event.

Phase Data Listing of the US Geological Survey. This table lists information about this earthquake recorded at seismic stations around the region. It also gives statistics related to calculating the time, location, and magnitude of the earthquake.

Canadian Seismic Network Hourly plot for 00:00 to 01:00 (UT) on October 25, 2001.

List of towns from which the Maine Geological Survey received felt reports.

Published News Reports:

Minor earthquake shakes Maine
Bangor Daily News
Oct 25, 2001

Experts: W. Enfield quake not unusual, Temblor measures 3.3 on Richter scale
Bangor Daily News
Oct 26, 2001

Last updated on April 10, 2006