Alton, Illinois — Earthquakes

Earthquakes Near Alton, Illinois

A list of all earthquakes centered near Alton, Illinois over the last 40 years. Data courtesy of USGS: Global Earthquake Search.

Nearest Earthquakes by Distance
# Earthquake Distance
1.2005-11-23 - Mag. 2.50 (mblg)18.2 mi.
2.1978-09-20 - Mag. 3.00 ()22.7 mi.
3.1974-06-05 - Mag. 4.00 (mb)22.9 mi.
4.1974-03-27 - Mag. 5.60 (mb)23.7 mi.
5.2010-05-21 - Mag. 2.30 (md)27.1 mi.
6.1973-04-18 - Mag. 2.50 (lg)29.3 mi.
7.2008-05-05 - Mag. 2.80 (mwr)30.4 mi.
8.1983-05-15 - Mag. 3.80 (mb)34.1 mi.
9.2013-01-20 - Mag. 2.40 (mblg)38.5 mi.
10.1981-04-08 - Mag. 3.80 (mblg)43 mi.
11.1986-08-26 - Mag. 3.70 (mblg)43.6 mi.
12.1974-04-05 - Mag. 2.60 (lg)44.3 mi.
13.1987-08-31 - Mag. 3.10 (mblg)48.4 mi.
14.1997-09-13 - Mag. 2.80 (mblg)48.8 mi.
15.2003-12-29 - Mag. 3.00 (mblg)51.9 mi.
16.1990-03-02 - Mag. 3.60 (mblg)51.9 mi.
17.1974-08-22 - Mag. 2.50 (lg)52 mi.
18.1993-08-27 - Mag. 3.30 (md)56.1 mi.
19.2010-08-11 - Mag. 2.50 (md)56.7 mi.
20.2006-05-18 - Mag. 2.90 (mblg)60.6 mi.
Earthquake Locations