M2.1 earthquake 6km WNW of Dublin, CA
A magnitude 2.1 earthquake struck 6km WNW of Dublin, CA on Tue, May 25, 2021, 3:16 PM PDT (22:16 UTC), 7 km (4 mi) below the surface.
A larger quake followed: M3.9 3km N of San Lorenzo, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (Md, duration), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 2021-05-25 22:16:04 UTC
- Depth
- 6.7 km (4.2 mi), shallow
- Epicenter
- 37.730° N, 121.990° W
- Region
- California
- Felt reports
- 18
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
18 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.2 km horizontally, 0.3 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 53°
- Stations used
- 51
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 34 in the 30 days before it.
After
- 1.65km NW of Dublin, CA · 1957 days ago · 7 km deep · 0 km away
- 1.95km NW of Dublin, CA · 1956 days ago · 4 km deep · 1 km away
- 1.89km E of Blackhawk, CA · 1955 days ago · 13 km deep · 19 km away
- 2.010km E of Blackhawk, CA · 1955 days ago · 15 km deep · 20 km away · felt by 2
- 1.79km NNE of Yountville, CA · 1955 days ago · 6 km deep · 87 km away
- 1.61km SW of Danville, CA · 1954 days ago · 10 km deep · 10 km away
- 2.24km WSW of Daly City, CA · 1952 days ago · 12 km deep · 46 km away · felt by 8
- 1.82km ENE of Oakland, CA · 1952 days ago · 10 km deep · 21 km away
- 2.42km ENE of Pacheco, CA · 1950 days ago · 15 km deep · 30 km away
- 1.67km SW of Los Altos Hills, CA · 1950 days ago · 9 km deep · 48 km away
- 3.69km E of Alum Rock, CA · 1948 days ago · 7 km deep · 46 km away · felt by 1,401
- 1.79km E of Alum Rock, CA · 1948 days ago · 6 km deep · 46 km away
- 2.19km E of Alum Rock, CA · 1948 days ago · 6 km deep · 46 km away · felt by 31
- 2.49km SE of Livermore, CA · 1946 days ago · 7 km deep · 29 km away
- 1.611km WSW of Saratoga, CA · 1946 days ago · 8 km deep · 56 km away
- 2.56km SW of Gilroy, CA · 1943 days ago · 6 km deep · 91 km away · felt by 38
- 1.73km N of Piedmont, CA · 1943 days ago · 6 km deep · 26 km away
- 1.61km W of Alamo, CA · 1942 days ago · 9 km deep · 14 km away
- 1.99km E of Alum Rock, CA · 1941 days ago · 7 km deep · 46 km away
- 3.34km NNW of Aromas, CA · 1940 days ago · 7 km deep · 94 km away · felt by 489
- 2.34km NNW of Aromas, CA · 1940 days ago · 7 km deep · 94 km away · felt by 12
- 1.77km SSW of Muir Beach, CA · 1940 days ago · 9 km deep · 54 km away
- 2.55km NE of Alum Rock, CA · 1936 days ago · 1 km deep · 42 km away · felt by 69
- 1.65km NE of Alum Rock, CA · 1936 days ago · 0 km deep · 41 km away
- 2.110km ESE of Angwin, CA · 1936 days ago · 6 km deep · 95 km away
- 1.614km ESE of Angwin, CA · 1935 days ago · 0 km deep · 93 km away
- 1.613km ESE of Angwin, CA · 1935 days ago · 0 km deep · 94 km away
- 1.56km WSW of Daly City, CA · 1935 days ago · 9 km deep · 48 km away
- 1.512km E of Angwin, CA · 1935 days ago · 8 km deep · 99 km away
- 1.620km SW of Gustine, CA · 1935 days ago · 1 km deep · 96 km away
- 1.912km NE of Milpitas, CA · 1934 days ago · 5 km deep · 31 km away
- 2.415km E of Seven Trees, CA · 1934 days ago · 8 km deep · 54 km away · felt by 1
- 2.62km ENE of Hayward, CA · 1933 days ago · 7 km deep · 10 km away · felt by 139
- 1.86km E of Fremont, CA · 1932 days ago · 9 km deep · 22 km away
- 2.115km N of Morgan Hill, CA · 1931 days ago · 1 km deep · 59 km away
- 1.82km ESE of Berkeley, CA · 1930 days ago · 9 km deep · 28 km away
- 2.820km SE of Livermore, CA · 1929 days ago · 1 km deep · 39 km away · felt by 23
- 2.520km SE of Livermore, CA · 1928 days ago · 1 km deep · 39 km away · felt by 8
- 2.03km NE of Portola Valley, CA · 1928 days ago · 4 km deep · 41 km away · felt by 2
- 1.714km N of Morgan Hill, CA · 1926 days ago · 5 km deep · 61 km away
- 2.114km N of Morgan Hill, CA · 1925 days ago · 5 km deep · 61 km away
- 1.816km N of Morgan Hill, CA · 1925 days ago · 5 km deep · 59 km away
- 1.715km E of Seven Trees, CA · 1924 days ago · 2 km deep · 56 km away
- 1.614km E of Angwin, CA · 1924 days ago · 5 km deep · 96 km away
- 1.86km ESE of Santa Rosa, CA · 1924 days ago · 9 km deep · 97 km away
- 3.93km N of San Lorenzo, CA · 1923 days ago · 9 km deep · 12 km away · felt by 12,071 · tsunami flag
- 2.49km NE of San Martin, CA · 1922 days ago · 5 km deep · 78 km away · felt by 1
- 2.76km SSW of San Ramon, CA · 1921 days ago · 8 km deep · 0 km away · felt by 117
- 1.91km NNW of Crockett, CA · 1921 days ago · 8 km deep · 42 km away · felt by 2
- 1.58km ENE of Gilroy, CA · 1920 days ago · 8 km deep · 88 km away
- 1.79km N of Boulder Creek, CA · 1920 days ago · 12 km deep · 59 km away
- 1.73km WNW of Castro Valley, CA · 1919 days ago · 8 km deep · 11 km away
- 2.09km NE of Milpitas, CA · 1918 days ago · 8 km deep · 31 km away · felt by 3
- 1.615km E of Angwin, CA · 1916 days ago · 6 km deep · 96 km away
- 1.814km E of Angwin, CA · 1916 days ago · 0 km deep · 96 km away
- 1.719km SE of Livermore, CA · 1916 days ago · 2 km deep · 39 km away
- 3.611km ESE of Angwin, CA · 1914 days ago · 10 km deep · 96 km away · felt by 99
- 1.714km E of Angwin, CA · 1914 days ago · 10 km deep · 96 km away
- 1.712km ESE of Angwin, CA · 1914 days ago · 6 km deep · 96 km away
- 1.910km ESE of Angwin, CA · 1913 days ago · 6 km deep · 97 km away
The first 60 of 72.
Before
- 2.46km SW of Gilroy, CA · 1957 days ago · 4 km deep · 91 km away · felt by 5
- 2.17km ESE of Roseland, CA · 1957 days ago · 10 km deep · 94 km away · felt by 2
- 2.25km WNW of Dublin, CA · 1958 days ago · 7 km deep · 0 km away · felt by 10
- 2.06km WNW of Dublin, CA · 1958 days ago · 7 km deep · 0 km away
- 2.25km NW of Dublin, CA · 1958 days ago · 3 km deep · 1 km away · felt by 46
- 1.65km NW of Dublin, CA · 1958 days ago · 6 km deep · 1 km away
- 1.96km SW of Gilroy, CA · 1958 days ago · 3 km deep · 92 km away · felt by 2
- 1.66km SE of St. Helena, CA · 1962 days ago · 10 km deep · 91 km away
- 1.96km SW of Clayton, CA · 1963 days ago · 12 km deep · 19 km away · felt by 4
- 1.72km ESE of Berkeley, CA · 1963 days ago · 9 km deep · 27 km away
- 1.82km ESE of Berkeley, CA · 1964 days ago · 9 km deep · 27 km away
- 1.616km NE of Alum Rock, CA · 1964 days ago · 3 km deep · 40 km away
- 1.711km W of Bonny Doon, CA · 1966 days ago · 11 km deep · 80 km away
- 1.54km NW of Dublin, CA · 1967 days ago · 5 km deep · 1 km away
- 1.61km ENE of Alameda, CA · 1968 days ago · 7 km deep · 22 km away
- 1.510km NE of San Martin, CA · 1969 days ago · 8 km deep · 76 km away
- 1.55km WSW of Lexington Hills, CA · 1971 days ago · 13 km deep · 64 km away
- 1.95km W of Glen Ellen, CA · 1972 days ago · 5 km deep · 88 km away
- 2.312km SW of Muir Beach, CA · 1974 days ago · 6 km deep · 61 km away
- 1.91km N of East Richmond Heights, CA · 1974 days ago · 9 km deep · 38 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73565211. Read Sat, Oct 3, 2026, 8:07 PM UTC.