Castro Valley, United States: 237 earthquakes of magnitude 4.0+ detected within 100 km.
Map
The map centers on Castro Valley and highlights the most recent earthquakes detected within 100 km.
Timeline
| UTC | Magnitude | Region | Depth |
|---|---|---|---|
| 2026-04-02 08:41 | M 4.6 |
Santa Cruz
United States
|
10.4 km |
| 2026-02-02 15:01 | M 4.2 |
Fremont
United States
|
9.6 km |
| 2025-12-14 23:30 | M 4.0 |
Santa Rosa
United States
|
3.1 km |
| 2025-09-22 09:56 | M 4.3 |
San Francisco
United States
|
7.6 km |
Monthly profile
Historic snapshot
Strongest years
| Year | Max magnitude | Earthquakes |
|---|---|---|
| 2026 | M 4.6 | 2 |
| 2025 | M 4.3 | 2 |
| 2024 | M 4.2 | 1 |
| 2023 | M 4.5 | 2 |
| 2022 | M 5.1 | 2 |
| 2019 | M 4.5 | 2 |
| 2018 | M 4.4 | 1 |
| 2017 | M 4.1 | 1 |
| 2015 | M 4.1 | 2 |
| 2014 | M 6.0 | 1 |
| 2011 | M 4.1 | 1 |
| 2010 | M 4.1 | 1 |
| 2009 | M 4.3 | 1 |
| 2008 | M 4.1 | 1 |
| 2007 | M 5.5 | 4 |
| 2006 | M 4.5 | 2 |
| 2005 | M 4.2 | 2 |
| 2003 | M 4.0 | 3 |
| 2002 | M 4.9 | 1 |
| 2001 | M 4.4 | 1 |
| 2000 | M 4.9 | 1 |
| 1999 | M 4.6 | 2 |
| 1998 | M 4.0 | 1 |
| 1996 | M 4.9 | 2 |
| 1995 | M 4.2 | 1 |
| 1994 | M 4.1 | 2 |
| 1993 | M 4.9 | 2 |
| 1992 | M 4.0 | 1 |
| 1991 | M 4.6 | 5 |
| 1990 | M 5.4 | 15 |
| 1989 | M 6.9 | 50 |
| 1988 | M 5.3 | 5 |
| 1987 | M 4.4 | 3 |
| 1986 | M 5.7 | 6 |
| 1984 | M 6.2 | 6 |
| 1982 | M 4.5 | 2 |
| 1981 | M 4.8 | 3 |
| 1980 | M 5.8 | 10 |
| 1979 | M 5.8 | 6 |
| 1978 | M 4.2 | 3 |
| 1977 | M 4.4 | 3 |
| 1976 | M 4.0 | 1 |
| 1975 | M 4.0 | 1 |
| 1974 | M 4.4 | 11 |
| 1973 | M 4.6 | 2 |
| 1971 | M 4.8 | 2 |
| 1970 | M 4.6 | 2 |
| 1969 | M 5.3 | 2 |
| 1967 | M 5.3 | 3 |
| 1965 | M 4.9 | 1 |
| 1964 | M 5.2 | 1 |
| 1963 | M 5.4 | 3 |
| 1959 | M 5.3 | 1 |
| 1958 | M 4.7 | 2 |
| 1957 | M 5.3 | 3 |
| 1955 | M 5.8 | 1 |
| 1954 | M 5.3 | 3 |
| 1949 | M 4.5 | 1 |
| 1941 | M 4.5 | 1 |
| 1938 | M 4.5 | 2 |
| 1937 | M 4.5 | 1 |
| 1933 | M 5.0 | 2 |
| 1932 | M 4.9 | 3 |
| 1928 | M 4.8 | 2 |
| 1927 | M 5.0 | 2 |
| 1926 | M 6.4 | 3 |
| 1924 | M 4.5 | 1 |
| 1919 | M 4.6 | 2 |
| 1917 | M 4.8 | 1 |
| 1916 | M 5.0 | 1 |
| 1915 | M 4.5 | 1 |
| 1914 | M 5.5 | 2 |
| 1912 | M 4.5 | 1 |
| 1911 | M 6.5 | 1 |
| 1910 | M 5.8 | 2 |
| 1909 | M 4.5 | 1 |
| 1906 | M 7.9 | 1 |
| 1904 | M 4.5 | 1 |
| 1903 | M 6.2 | 2 |
| 1902 | M 5.4 | 1 |
| 1900 | M 4.5 | 1 |