Earthquakes by city United States 100 km
Seismic city profile

Montclair

Montclair, United States: 481 earthquakes of magnitude 4.0+ detected within 100 km.

Population
38,690
Residents in the indexed city record.
Earthquakes
481
Earthquakes at M4.0+ nearby.
Max magnitude
6.7
Strongest recorded event in the current radius.
Timezone
America/Los_Angeles
Coordinates 34.078, -117.690
Nearby activity pulse
Last 30 days
0
Last 12 months
1
Last nearby event: 2025-07-31 16:32 UTC
Strongest nearby event
M 6.7
US
1994-01-17 12:30 UTC

Map

Earthquakes within 100 km of Montclair

The map centers on Montclair and highlights the most recent earthquakes detected within 100 km.

Average magnitude
4.5
Average depth
7.2 km

Timeline

Recent seismic activity

Latest 1 events shown
UTC Magnitude Region Depth
2025-07-31 16:32 M 4.4
Riverside
United States
5.3 km

Monthly profile

Recent monthly trend

2025-07 1 events

Historic snapshot

Earthquakes history

1
1902
1
1907
3
1910
1
1911
1
1916
2
1918
1
1920
1
1923
1
1925
1
1927
1
1929
3
1930
2
1932
80
1933
4
1934
9
1935
1
1936
2
1937
3
1938
2
1939
4
1940
3
1941
3
1942
5
1943
8
1944
2
1945
1
1946
1
1948
3
1950
1
1951
2
1952
2
1954
1
1955
5
1956
1
1960
6
1961
5
1962
2
1963
4
1965
1
1967
1
1968
3
1969
3
1970
50
1971
1
1972
1
1973
1
1974
3
1976
2
1977
2
1978
6
1979
2
1982
1
1983
1
1984
1
1985
6
1986
8
1987
6
1988
8
1989
5
1990
4
1991
49
1992
1
1993
54
1994
2
1995
2
1996
5
1997
7
1998
2
1999
2
2000
5
2001
2
2002
8
2003
1
2004
5
2005
4
2007
2
2008
3
2009
4
2010
2
2011
3
2012
1
2013
6
2014
2
2015
1
2016
2
2018
2
2020
2
2021
1
2023
5
2024
1
2025
Year Max magnitude Earthquakes
2025 M 4.4 1
2024 M 4.4 5
2023 M 4.2 1
2021 M 4.3 2
2020 M 4.5 2
2018 M 4.5 2
2016 M 4.4 1
2015 M 4.4 2
2014 M 5.1 6
2013 M 4.1 1
2012 M 4.5 3
2011 M 4.2 2
2010 M 4.4 4
2009 M 4.7 3
2008 M 5.4 2
2007 M 4.7 4
2005 M 4.9 5
2004 M 4.2 1
2003 M 5.0 8
2002 M 4.8 2
2001 M 4.7 5
2000 M 4.4 2
1999 M 5.6 2
1998 M 4.8 7
1997 M 5.1 5
1996 M 4.1 2
1995 M 5.0 2
1994 M 6.7 54
1993 M 4.1 1
1992 M 6.3 49
1991 M 5.8 4
1990 M 5.5 5
1989 M 5.0 8
1988 M 5.0 6
1987 M 5.9 8
1986 M 4.5 6
1985 M 4.6 1
1984 M 4.2 1
1983 M 4.0 1
1982 M 4.4 2
1979 M 5.2 6
1978 M 4.3 2
1977 M 4.4 2
1976 M 4.5 3
1974 M 4.4 1
1973 M 4.5 1
1972 M 4.0 1
1971 M 6.6 50
1970 M 5.2 3
1969 M 4.4 3
1968 M 4.1 1
1967 M 4.1 1
1965 M 5.0 4
1963 M 5.3 2
1962 M 5.0 5
1961 M 4.6 6
1960 M 4.1 1
1956 M 4.7 5
1955 M 4.1 1
1954 M 4.1 2
1952 M 4.8 2
1951 M 4.1 1
1950 M 4.8 3
1948 M 4.6 1
1946 M 4.9 1
1945 M 4.3 2
1944 M 5.2 8
1943 M 5.3 5
1942 M 4.6 3
1941 M 5.1 3
1940 M 4.7 4
1939 M 4.5 2
1938 M 5.2 3
1937 M 4.4 2
1936 M 4.7 1
1935 M 4.9 9
1934 M 4.5 4
1933 M 6.4 80
1932 M 4.3 2
1930 M 5.3 3
1929 M 4.7 1
1927 M 5.3 1
1925 M 4.5 1
1923 M 6.2 1
1920 M 4.9 1
1918 M 6.7 2
1916 M 4.5 1
1911 M 4.5 1
1910 M 6.0 3
1907 M 5.3 1
1902 M 4.5 1