M1.8 earthquake 20km E of Anza, CA
A magnitude 1.8 earthquake struck 20km E of Anza, CA on Wed, May 5, 2021, 1:55 PM PDT (20:55 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M5.3 11km W of Calipatria, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (ML, local (Richter)), micro
- Magnitude from
- Southern California Seismic Network
- Local time
- UTC
- 2021-05-05 20:55:08 UTC
- Depth
- 6.0 km (3.7 mi), shallow
- Epicenter
- 33.525° N, 116.457° W
- Region
- California
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.1 km horizontally, 0.3 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 36°
- Stations used
- 84
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 93 in the 30 days before it.
After
- 2.85km WSW of Morongo Valley, CA · 1977 days ago · 10 km deep · 59 km away · felt by 22
- 1.810km NW of Anza, CA · 1977 days ago · 16 km deep · 29 km away
- 1.89km ENE of Anza, CA · 1977 days ago · 13 km deep · 13 km away
- 2.511km SSW of Idyllwild, CA · 1976 days ago · 14 km deep · 32 km away · felt by 7
- 2.310km SSW of Idyllwild, CA · 1976 days ago · 14 km deep · 32 km away
- 2.311km SSW of Idyllwild, CA · 1975 days ago · 15 km deep · 32 km away
- 1.917km N of Yucca Valley, CA · 1975 days ago · 3 km deep · 82 km away
- 1.86km NNE of Lake Henshaw, CA · 1975 days ago · 12 km deep · 37 km away
- 1.716km N of Yucca Valley, CA · 1975 days ago · 3 km deep · 82 km away
- 2.217km N of Yucca Valley, CA · 1975 days ago · 2 km deep · 82 km away
- 1.610km SSE of Yucca Valley, CA · 1974 days ago · 9 km deep · 57 km away
- 1.59km ENE of Borrego Springs, CA · 1974 days ago · 4 km deep · 31 km away
- 3.04km SE of Loma Linda, CA · 1974 days ago · 16 km deep · 91 km away · felt by 187
- 1.916km NE of Thousand Palms, CA · 1974 days ago · 9 km deep · 48 km away
- 1.67km E of Cabazon, CA · 1974 days ago · 14 km deep · 49 km away
- 1.74km S of Idyllwild, CA · 1973 days ago · 18 km deep · 31 km away
- 2.211km NNE of Borrego Springs, CA · 1972 days ago · 12 km deep · 22 km away · felt by 1
- 2.14km SE of Loma Linda, CA · 1972 days ago · 17 km deep · 90 km away · felt by 2
- 1.66km W of Big Bear Lake, CA · 1971 days ago · 10 km deep · 93 km away
- 1.85km E of Yucaipa, CA · 1971 days ago · 12 km deep · 75 km away
- 1.54km SE of Loma Linda, CA · 1971 days ago · 15 km deep · 90 km away
- 1.524km SSW of Ocotillo Wells, CA · 1970 days ago · 10 km deep · 69 km away
- 1.69km SW of Morongo Valley, CA · 1970 days ago · 18 km deep · 55 km away
- 2.110km NNE of Banning, CA · 1969 days ago · 12 km deep · 65 km away
- 2.030km SE of Twentynine Palms, CA · 1969 days ago · 5 km deep · 73 km away · felt by 1
- 1.610km S of Borrego Springs, CA · 1968 days ago · 8 km deep · 41 km away
- 1.613km ENE of Borrego Springs, CA · 1968 days ago · 11 km deep · 34 km away
- 1.64km ENE of Big Bear City, CA · 1968 days ago · 7 km deep · 90 km away
- 1.73km NNE of Ocotillo Wells, CA · 1968 days ago · 11 km deep · 51 km away
- 1.72km SE of Palomar Observatory, CA · 1968 days ago · 8 km deep · 42 km away
- 2.128km N of Yucca Valley, CA · 1967 days ago · 5 km deep · 93 km away
- 1.59km NE of Ocotillo Wells, CA · 1967 days ago · 7 km deep · 52 km away
- 2.15km SW of Salton City, CA · 1966 days ago · 3 km deep · 52 km away · felt by 1
- 1.56km N of Banning, CA · 1966 days ago · 19 km deep · 63 km away
- 1.53km NNE of Ocotillo Wells, CA · 1965 days ago · 10 km deep · 51 km away
- 1.610km S of Borrego Springs, CA · 1965 days ago · 5 km deep · 41 km away
- 1.818km SE of Ocotillo Wells, CA · 1964 days ago · 10 km deep · 70 km away
- 1.612km WNW of Calipatria, CA · 1964 days ago · 6 km deep · 86 km away
- 1.512km WNW of Calipatria, CA · 1964 days ago · 6 km deep · 86 km away
- 2.313km WNW of Calipatria, CA · 1964 days ago · 3 km deep · 85 km away
- 1.912km WNW of Calipatria, CA · 1964 days ago · 3 km deep · 87 km away
- 1.612km SSE of Bombay Beach, CA · 1964 days ago · 4 km deep · 79 km away
- 1.51km NNE of Loma Linda, CA · 1963 days ago · 17 km deep · 95 km away
- 1.615km N of Yucca Valley, CA · 1963 days ago · 3 km deep · 81 km away
- 1.811km S of Salton City, CA · 1963 days ago · 9 km deep · 60 km away
- 1.524km SSW of Ocotillo Wells, CA · 1962 days ago · 11 km deep · 69 km away
- 1.68km W of Calipatria, CA · 1961 days ago · 10 km deep · 92 km away
- 1.511km W of Calipatria, CA · 1961 days ago · 5 km deep · 87 km away
- 1.512km N of Westmorland, CA · 1961 days ago · 5 km deep · 87 km away
- 1.911km N of Westmorland, CA · 1961 days ago · 4 km deep · 88 km away · felt by 1
- 1.812km W of Calipatria, CA · 1961 days ago · 4 km deep · 87 km away
- 1.910km ESE of Cabazon, CA · 1958 days ago · 13 km deep · 44 km away
- 1.517km N of Ocotillo Wells, CA · 1958 days ago · 3 km deep · 38 km away
- 1.625km ESE of Ocotillo Wells, CA · 1958 days ago · 10 km deep · 75 km away
- 1.84km NE of Westmorland, CA · 1958 days ago · 8 km deep · 96 km away
- 2.36km NNE of Borrego Springs, CA · 1958 days ago · 12 km deep · 27 km away · felt by 1
- 2.16km ESE of Valle Vista, CA · 1958 days ago · 17 km deep · 42 km away · felt by 4
- 1.85km S of Banning, CA · 1957 days ago · 14 km deep · 55 km away
- 1.95km N of Yucca Valley, CA · 1956 days ago · 6 km deep · 70 km away
- 2.24km NNW of Yucca Valley, CA · 1956 days ago · 6 km deep · 70 km away · felt by 2
The first 60 of 199.
Before
- 1.78km E of Borrego Springs, CA · 1978 days ago · 10 km deep · 35 km away
- 1.82km S of Cabazon, CA · 1979 days ago · 16 km deep · 51 km away
- 1.611km NNW of Anza, CA · 1979 days ago · 14 km deep · 28 km away
- 2.010km S of Borrego Springs, CA · 1979 days ago · 6 km deep · 41 km away
- 1.810km NNW of Alpine, CA · 1979 days ago · 15 km deep · 76 km away · felt by 12
- 1.918km ESE of Anza, CA · 1980 days ago · 13 km deep · 6 km away
- 1.618km ESE of Anza, CA · 1980 days ago · 13 km deep · 6 km away
- 1.64km WSW of Salton City, CA · 1980 days ago · 4 km deep · 51 km away
- 1.69km NE of Aguanga, CA · 1981 days ago · 3 km deep · 31 km away
- 1.910km SSW of San Diego Country Estates, CA · 1981 days ago · 14 km deep · 75 km away · felt by 6
- 1.66km SW of Niland, CA · 1982 days ago · 3 km deep · 90 km away
- 1.75km N of Yucca Valley, CA · 1982 days ago · 6 km deep · 70 km away
- 1.66km SE of Loma Linda, CA · 1982 days ago · 10 km deep · 89 km away
- 2.61km N of Yucaipa, CA · 1982 days ago · 11 km deep · 79 km away · felt by 44
- 1.64km NNE of Westmorland, CA · 1983 days ago · 11 km deep · 94 km away
- 1.610km WSW of Niland, CA · 1984 days ago · 4 km deep · 86 km away
- 1.512km WNW of Calipatria, CA · 1985 days ago · 5 km deep · 87 km away
- 1.59km S of Banning, CA · 1985 days ago · 13 km deep · 53 km away
- 3.510km S of Borrego Springs, CA · 1985 days ago · 7 km deep · 41 km away · felt by 283
- 1.610km S of Borrego Springs, CA · 1985 days ago · 6 km deep · 41 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event ci39642079. Read Sun, Oct 4, 2026, 7:38 AM UTC.