Home / Earthquakes / Colorado
Colorado Earthquake History
Since January 17, 1931, the USGS has recorded 80 earthquakes of magnitude 4.5 or greater in Colorado, 6 of them magnitude 6 or above. The strongest was M 6.7.
By decade
'30
'40
'50
'60
'70
'80
'90
'00
'10
'20
Strongest in Colorado
M 6.7 · 68 km SW of Paredón Colorado, MexicoJanuary 17, 1931M 6.5 · 47 km SW of Campo Pesquero el Colorado, MexicoApril 5, 1955M 6.4 · 87 km SW of Paredón Colorado, MexicoMarch 12, 2003M 6.3 · 45 km SSW of Campo Pesquero el Colorado, MexicoJune 3, 1940M 6.0 · 58 km WSW of Campo Pesquero el Colorado, MexicoApril 5, 1955M 6.0 · 82 km SSW of Campo Pesquero el Colorado, MexicoJuly 3, 2009M 6.0 · 70 km SW of Campo Pesquero el Colorado, MexicoSeptember 1, 1948M 5.7 · 50km SE of San Luis Rio Colorado, Son., MXFebruary 1, 1954M 5.6 · 62 km SW of Campo Pesquero el Colorado, MexicoDecember 26, 1991M 5.6 · 66 km W of Campo Pesquero el Colorado, MexicoFebruary 22, 2005
All recorded earthquakes
M 4.5 mblgSeptember 5, 2001
0 km SE of Cokedale, Colorado · depth 5 km
M 4.9 mwcAugust 13, 2001
43 km SW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 5.4 mwcJuly 28, 1997
55 km SW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.8 msJuly 17, 1996
48 km SW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.5 mlMarch 20, 1995
10 km NNW of Rangely, Colorado · depth -3 km
M 5.1 mwOctober 27, 1994
32 km W of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.5 mbDecember 26, 1991
68 km SSW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 5.2 mbDecember 26, 1991
101 km SSW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.7 mbDecember 26, 1991
81 km SW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 5.6 msDecember 26, 1991
62 km SW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 5.3 mwDecember 26, 1991
66 km SW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.6 mbNovember 15, 1991
59 km SW of Campo Pesquero el Colorado, Mexico · depth 20 km
M 4.8 mbOctober 21, 1989
98 km WSW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.9 mbMay 14, 1988
43 km WSW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.6 mbDecember 1, 1986
7 km NE of San Juan Colorado, Mexico · depth 33 km
M 4.6 mbMay 6, 1984
43 km WSW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.5 mbFebruary 24, 1983
78 km SW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 4.8 mbApril 3, 1980
67 km SW of Campo Pesquero el Colorado, Mexico · depth 15 km
M 5.3 mbDecember 10, 1978
36 km WSW of Campo Pesquero el Colorado, Mexico · depth 15 km
M 4.5 mbDecember 11, 1976
56 km SW of Campo Pesquero el Colorado, Mexico · depth 33 km
M 4.6 mbMay 21, 1976
73 km SW of Campo Pesquero el Colorado, Mexico · depth 33 km
M 4.9 mbJuly 28, 1975
57 km SW of Campo Pesquero el Colorado, Mexico · depth 33 km
M 5.2 mbJuly 28, 1975
52 km SW of Campo Pesquero el Colorado, Mexico · depth 33 km
M 4.7 mbJuly 28, 1975
53 km SSW of Campo Pesquero el Colorado, Mexico · depth 33 km
M 4.5 mbMarch 9, 1975
72 km W of Campo Pesquero el Colorado, Mexico · depth 33 km
M 4.5 mbNovember 25, 1973
2 km WSW of San Juan Colorado, Mexico · depth 61 km
M 5.1 mwAugust 29, 1972
46 km WSW of Campo Pesquero el Colorado, Mexico · depth 11 km
M 5.2 mbNovember 27, 1967
4 km NE of Derby, Colorado · depth 5 km
M 5.5 mwAugust 9, 1967
7 km SE of Lochbuie, Colorado · depth 10 km
M 4.5 mbApril 27, 1967
9 km SSE of Brighton, Colorado · depth 5 km
M 4.5 mbOctober 3, 1966
28 km ENE of Hoehne, Colorado · depth 10 km
M 4.7 mlFebruary 5, 1962
15 km ENE of Ridgway, Colorado · depth 25 km
M 5.5 mbOctober 11, 1960
15 km E of Colona, Colorado · depth 49 km
M 6.0 mwApril 5, 1955
58 km WSW of Campo Pesquero el Colorado, Mexico · depth 15 km
M 6.5 mwApril 5, 1955
47 km SW of Campo Pesquero el Colorado, Mexico · depth 15 km
M 5.7 mlFebruary 1, 1954
50km SE of San Luis Rio Colorado, Son., MX · depth 6 km
M 5.2 mlFebruary 1, 1954
36km SE of San Luis Rio Colorado, Son., MX · depth 6 km
M 6.0 mwSeptember 1, 1948
70 km SW of Campo Pesquero el Colorado, Mexico · depth 10 km
M 6.3 mwJune 3, 1940
45 km SSW of Campo Pesquero el Colorado, Mexico · depth 15 km
M 6.7 mwJanuary 17, 1931
68 km SW of Paredón Colorado, Mexico · depth 10 km
Source: U.S. Geological Survey, Earthquake Hazards Program. Older and smaller earthquakes are under-counted relative to recent decades as instrumentation improved. A record of past shaking is not a forecast. See About the Data.