Earthquakes by city United States 100 km

Seismic city profile

Earthquake in Fontana today

Fontana, United States: 560 earthquakes of magnitude 4.0+ detected within 100 km.

Population

212,704

Residents in the indexed city record.

Earthquakes

560

Earthquakes at M4.0+ nearby.

Max magnitude

7.3

Strongest recorded event in the current radius.

Timezone

America/Los_Angeles

Coordinates 34.092, -117.435

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2025-07-31 16:32 UTC

Strongest nearby event

M 7.3

Cathedral City, United States

1992-06-28 11:57 UTC

Updated today

Earthquake in Fontana today

No earthquake of magnitude M4.0+ has been detected today within 100 km of Fontana.

No M4.0+ event has been observed in the last 30 days around Fontana.

The strongest earthquake recorded near Fontana reached magnitude 7.3 on 1992-06-28 11:57 UTC, near Cathedral City.

Status today

No earthquake detected today

Strongest today

Was there an earthquake in Fontana today?

No earthquake of magnitude M4.0+ has been detected today within 100 km of Fontana.

When was the last earthquake near Fontana?

The last nearby earthquake was recorded on 2025-07-31 16:32 UTC.

What is the strongest earthquake recorded near Fontana?

The strongest earthquake recorded near Fontana reached magnitude 7.3 on 1992-06-28 11:57 UTC, near Cathedral City.

Map

Earthquakes within 100 km of Fontana

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

Average magnitude

4.4

Average depth

6.4 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

Strongest years

1992 M 7.3 max · 123 earthquakes 1918 M 6.7 max · 2 earthquakes 1971 M 6.6 max · 48 earthquakes 1933 M 6.4 max · 81 earthquakes 1923 M 6.2 max · 1 earthquakes

Year	Max magnitude	Earthquakes
2025	M 4.4	1
2024	M 4.4	4
2023	M 4.2	1
2022	M 4.0	1
2021	M 4.3	2
2020	M 4.5	2
2018	M 4.5	3
2016	M 4.4	2
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	5
2009	M 4.7	3
2008	M 5.4	3
2007	M 4.7	3
2005	M 4.9	6
2004	M 4.2	1
2003	M 5.0	9
2002	M 4.8	1
2001	M 4.7	5
2000	M 4.4	2
1999	M 5.6	5
1998	M 4.8	7
1997	M 4.4	4
1995	M 4.4	1
1994	M 5.9	21
1993	M 4.2	3
1992	M 7.3	123
1991	M 5.8	3
1990	M 5.5	5
1989	M 4.8	7
1988	M 5.0	6
1987	M 5.9	8
1986	M 6.0	10
1985	M 4.6	2
1984	M 4.2	1
1983	M 4.0	1
1982	M 4.8	4
1979	M 5.2	9
1978	M 4.3	2
1977	M 4.4	2
1976	M 4.4	1
1975	M 5.3	2
1974	M 4.4	1
1973	M 4.5	1
1972	M 4.0	1
1971	M 6.6	48
1970	M 5.2	3
1969	M 4.4	3
1968	M 4.1	1
1967	M 4.7	2
1965	M 5.0	3
1964	M 4.6	2
1963	M 5.3	1
1962	M 5.0	5
1961	M 4.6	6
1960	M 4.1	1
1959	M 4.3	2
1957	M 4.3	1
1956	M 4.7	5
1955	M 4.1	1
1954	M 4.1	2
1952	M 4.8	3
1951	M 4.1	1
1950	M 4.8	3
1948	M 4.6	6
1947	M 5.3	11
1946	M 4.9	1
1945	M 4.3	2
1944	M 5.2	8
1943	M 5.3	5
1942	M 4.6	5
1941	M 5.1	3
1940	M 4.4	7
1939	M 4.5	2
1938	M 5.2	3
1937	M 4.4	2
1936	M 4.7	1
1935	M 4.9	10
1934	M 4.5	4
1933	M 6.4	81
1932	M 4.3	2
1930	M 5.3	2
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