Hi All. How unusual were today's events in Alabama and Arkansas. Here is the information on past occurrences in the areas.

The earthquake near Hamilton, Alabama is the strongest in the region (33-35N 86-89W) since an M 2.5 near Millport, AL on May 19, 2005, the only other such quake in the region in the past 8 months. The last earthquake in the area, which was significantly larger than today's occurred as an M 3.5 on August 19, 2004. The last earthquake within 100 km of this epicenter with M>=2.4 according to data from CERI occurred on October 17, 2003 with M 2.7 near Kennedy, AL. One other event of similar magnitude has occurred in the area in the past four years - an M 2.5 near Glen Allen on Feb. 10, 2002.

The earthquake near Manila, Arkansas today of M 2.8 was felt lightly with intensity III throughout much of northeastern Arkansas and southeastern Missouri and into Tennessee. This is the first felt earthquake in the region since an M 3.9 south of Ridgely, TN on June 2, 2005. Two moderate earthquakes of M 4.1 hit the region on Feb. 10 and May 1, 2005. Nine earthquakes of M>=2.8 have hit the region (35.5-36.5N 89-91W) in the past 40 months - about one per 4.5 months. Take Care…Don in creepy town

map 1.6 2005/07/13 12:45:43 36.370N 89.510W 7.9 4 km ( 2 mi) WSW of Tiptonville, TN
map 2.8 2005/07/13 07:08:13 35.810N 90.160W 10.7 7 km ( 5 mi) S of Manila, AR
map 2.4 2005/07/12 16:07:20 34.110N 87.927W 8.1 7 km ( 4 mi) ESE of Hamilton, AL
map 1.8 2005/07/11 11:22:06 36.430N 89.610W 12.7 7 km ( 5 mi) ESE of Portageville, MO
map 2.0 2005/07/09 20:09:21 36.150N 89.480W 13.9 13 km ( 8 mi) S of Ridgely, TN