East Helena, Montana — Earthquakes

Earthquakes Near East Helena, Montana

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

Nearest Earthquakes by Distance
# Earthquake Distance
1.1995-09-11 - Mag. 2.70 (ml)4.8 mi.
2.2003-03-22 - Mag. 2.90 (ml)5.3 mi.
3.1982-02-20 - Mag. 2.70 (ml)8.3 mi.
4.1999-03-27 - Mag. 2.40 (md)8.7 mi.
5.1998-11-15 - Mag. 2.70 (ml)9.4 mi.
6.1998-11-07 - Mag. 2.50 (md)9.7 mi.
7.1978-10-07 - Mag. 2.70 (ml)10.4 mi.
8.1977-09-04 - Mag. 3.20 (ml)10.5 mi.
9.1975-07-19 - Mag. 3.50 (ml)11.3 mi.
10.1975-07-18 - Mag. 3.10 (ml)12.1 mi.
11.1991-12-17 - Mag. 2.00 (ml)12.1 mi.
12.1975-07-18 - Mag. 3.90 (ml)13.5 mi.
13.2010-01-05 - Mag. 2.80 (ml)13.7 mi.
14.2013-02-25 - Mag. 1.20 (Md)14.3 mi.
15.2010-09-19 - Mag. 2.60 (ml)14.4 mi.
16.1976-02-13 - Mag. 3.80 (ml)15 mi.
17.2003-06-04 - Mag. 2.80 (ml)15.6 mi.
18.2012-09-13 - Mag. 2.90 (md)16.4 mi.
19.1986-12-03 - Mag. 3.10 (ml)16.9 mi.
20.1995-10-31 - Mag. 3.20 (md)18.6 mi.
Earthquake Locations