M2.1 earthquake 3km NE of Berkeley, CA
A magnitude 2.1 earthquake struck 3km NE of Berkeley, CA on Mon, Mar 21, 2022, 9:42 AM PDT (16:42 UTC), 7 km (4 mi) below the surface.
A larger quake followed: M2.7 4km S of Pittsburg, 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
- 2022-03-21 16:42:54 UTC
- Depth
- 6.5 km (4.1 mi), shallow
- Epicenter
- 37.892° N, 122.251° W
- Region
- California
- Felt reports
- 29
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
29 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 0.1 km horizontally, 0.2 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 34°
- Stations used
- 68
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 34 in the 30 days before it.
After
- 2.22km NW of Diablo, CA · 1657 days ago · 9 km deep · 24 km away · felt by 3
- 2.02km E of Pacheco, CA · 1656 days ago · 15 km deep · 20 km away · felt by 1
- 1.68km ENE of Healdsburg, CA · 1655 days ago · 9 km deep · 94 km away
- 2.35km NNE of Alum Rock, CA · 1655 days ago · 0 km deep · 67 km away · felt by 64
- 2.25km WSW of Kenwood, CA · 1654 days ago · 5 km deep · 63 km away
- 1.83km SW of San Francisco Zoo, CA · 1652 days ago · 8 km deep · 32 km away
- 1.513km N of Green Valley, CA · 1652 days ago · 9 km deep · 54 km away
- 2.09km NE of Blackhawk, CA · 1649 days ago · 12 km deep · 35 km away · felt by 2
- 1.67km S of Muir Beach, CA · 1648 days ago · 12 km deep · 32 km away
- 1.710km ESE of Clayton, CA · 1646 days ago · 13 km deep · 36 km away
- 1.69km NNE of Winters, CA · 1645 days ago · 2 km deep · 84 km away
- 1.65km E of Fremont, CA · 1644 days ago · 10 km deep · 48 km away
- 1.710km ENE of Milpitas, CA · 1636 days ago · 2 km deep · 62 km away · felt by 3
- 1.62km E of Pleasant Hill, CA · 1633 days ago · 9 km deep · 20 km away
- 1.912km ENE of Yountville, CA · 1631 days ago · 8 km deep · 60 km away
- 1.64km SW of San Ramon, CA · 1628 days ago · 7 km deep · 25 km away · felt by 1
- 1.64km SW of San Ramon, CA · 1628 days ago · 8 km deep · 26 km away · felt by 1
- 1.96km SW of Clayton, CA · 1626 days ago · 10 km deep · 23 km away · felt by 1
- 2.74km S of Pittsburg, CA · 1618 days ago · 18 km deep · 33 km away · felt by 24
- 1.95km ESE of Moraga, CA · 1618 days ago · 12 km deep · 18 km away
- 1.83km S of Pittsburg, CA · 1618 days ago · 20 km deep · 35 km away
- 1.97km WSW of St. Helena, CA · 1616 days ago · 9 km deep · 70 km away · felt by 2
- 1.610km ENE of Blackhawk, CA · 1616 days ago · 11 km deep · 40 km away
- 2.310km SW of Brentwood, CA · 1615 days ago · 11 km deep · 40 km away
- 2.58km NE of Alum Rock, CA · 1615 days ago · 7 km deep · 69 km away · felt by 8
- 2.624km NE of Alum Rock, CA · 1614 days ago · 7 km deep · 70 km away · felt by 10
- 2.17km NE of Rohnert Park, CA · 1614 days ago · 6 km deep · 64 km away
- 2.48km SW of Brentwood, CA · 1611 days ago · 14 km deep · 41 km away
- 1.811km NE of Milpitas, CA · 1610 days ago · 4 km deep · 59 km away
- 1.716km N of Morgan Hill, CA · 1609 days ago · 6 km deep · 86 km away · felt by 1
- 1.96km ENE of Kenwood, CA · 1608 days ago · 10 km deep · 63 km away
- 1.86km W of Glen Ellen, CA · 1605 days ago · 9 km deep · 61 km away
- 1.92km N of Castro Valley, CA · 1604 days ago · 11 km deep · 25 km away · felt by 2
- 2.414km N of Morgan Hill, CA · 1604 days ago · 5 km deep · 90 km away · felt by 1
- 2.04km SSE of Highlands-Baywood Park, CA · 1604 days ago · 13 km deep · 45 km away
- 1.814km E of Seven Trees, CA · 1603 days ago · 2 km deep · 84 km away · felt by 1
- 1.73km S of Diablo, CA · 1601 days ago · 15 km deep · 27 km away · felt by 2
- 1.910km WNW of Laguna West-Lakeside, CA · 1600 days ago · 15 km deep · 85 km away
- 1.613km ESE of Angwin, CA · 1599 days ago · 0 km deep · 73 km away
- 1.83km NNE of San Ramon, CA · 1598 days ago · 21 km deep · 27 km away
Before
- 2.02km E of Hayward, CA · 1658 days ago · 3 km deep · 33 km away · felt by 19
- 1.62km E of Hayward, CA · 1658 days ago · 2 km deep · 32 km away · felt by 4
- 1.62km ESE of Hayward, CA · 1658 days ago · 2 km deep · 33 km away · felt by 1
- 2.15km WSW of Kenwood, CA · 1660 days ago · 5 km deep · 63 km away · felt by 2
- 1.512km ESE of Alum Rock, CA · 1661 days ago · 7 km deep · 79 km away · felt by 1
- 2.08km ENE of Milpitas, CA · 1662 days ago · 5 km deep · 60 km away · felt by 1
- 1.716km SSE of Livermore, CA · 1664 days ago · 4 km deep · 61 km away · felt by 2
- 1.94km NNW of Crockett, CA · 1666 days ago · 9 km deep · 21 km away
- 1.83km W of American Canyon, CA · 1666 days ago · 9 km deep · 32 km away · felt by 2
- 1.56km ENE of Angwin, CA · 1666 days ago · 5 km deep · 79 km away
- 1.58km WSW of Brentwood, CA · 1667 days ago · 1 km deep · 39 km away
- 2.34km SSE of Vallejo, CA · 1667 days ago · 10 km deep · 21 km away · felt by 14
- 2.15km NE of Kenwood, CA · 1667 days ago · 9 km deep · 65 km away
- 2.81km ENE of El Cerrito, CA · 1668 days ago · 5 km deep · 5 km away · felt by 1,256
- 1.722km W of Bonny Doon, CA · 1668 days ago · 11 km deep · 94 km away
- 1.79km ENE of Alum Rock, CA · 1669 days ago · 10 km deep · 72 km away
- 1.85km ESE of Blackhawk, CA · 1669 days ago · 15 km deep · 36 km away
- 1.814km SE of Livermore, CA · 1670 days ago · 6 km deep · 62 km away
- 1.610km NNE of Alum Rock, CA · 1671 days ago · 6 km deep · 65 km away
- 1.914km E of Angwin, CA · 1672 days ago · 3 km deep · 75 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73708431. Read Sun, Oct 4, 2026, 6:39 AM UTC.