Earthquakes by city United States 100 km
Seismic city profile

Florence-Graham

Florence-Graham, United States: 356 earthquakes of magnitude 4.0+ detected within 100 km.

Population
63,387
Residents in the indexed city record.
Earthquakes
356
Earthquakes at M4.0+ nearby.
Max magnitude
6.7
Strongest recorded event in the current radius.
Timezone
America/Los_Angeles
Coordinates 33.968, -118.244
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 Florence-Graham

The map centers on Florence-Graham and highlights the most recent earthquakes detected within 100 km.

Average magnitude
4.5
Average depth
8.1 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

Year Max magnitude Earthquakes
2025 M 4.4 2
2024 M 4.7 7
2023 M 5.1 3
2021 M 4.3 2
2020 M 4.5 3
2018 M 4.4 1
2016 M 4.1 1
2015 M 4.4 2
2014 M 5.1 5
2013 M 4.1 1
2012 M 4.5 3
2011 M 4.2 1
2010 M 4.4 2
2009 M 4.7 4
2008 M 5.4 1
2007 M 4.7 3
2005 M 4.4 1
2002 M 4.8 2
2001 M 4.3 3
2000 M 4.4 1
1998 M 4.5 3
1997 M 5.1 3
1996 M 4.1 2
1995 M 5.0 3
1994 M 6.7 53
1991 M 5.8 3
1990 M 5.5 5
1989 M 5.0 6
1988 M 5.0 5
1987 M 5.9 8
1985 M 4.6 2
1984 M 4.6 2
1983 M 4.0 1
1982 M 4.4 2
1981 M 5.5 3
1979 M 5.2 3
1977 M 4.4 2
1976 M 4.5 3
1974 M 4.4 1
1973 M 5.3 1
1971 M 6.6 50
1970 M 5.2 3
1969 M 4.6 4
1967 M 4.1 1
1965 M 4.6 3
1963 M 4.7 1
1961 M 4.6 6
1960 M 4.1 1
1957 M 4.8 1
1956 M 4.7 4
1954 M 4.1 1
1952 M 4.8 2
1951 M 4.1 1
1948 M 4.6 2
1944 M 4.4 2
1942 M 4.4 1
1941 M 5.1 3
1940 M 4.7 3
1939 M 4.5 2
1938 M 5.2 3
1937 M 4.4 2
1936 M 4.7 1
1935 M 4.6 5
1934 M 4.5 4
1933 M 6.4 80
1932 M 4.1 2
1930 M 5.3 1
1929 M 4.7 1
1928 M 5.2 1
1927 M 5.3 1
1923 M 6.2 1
1920 M 4.9 1
1910 M 6.0 3