M2.6 earthquake 2km SW of Colma, CA
A magnitude 2.6 earthquake struck 2km SW of Colma, CA on Tue, Jan 4, 2022, 3:18 AM PST (11:18 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M3.2 2km NNE of San Leandro, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (Mh), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 2022-01-04 11:18:29 UTC
- Depth
- 8.0 km (5.0 mi), shallow
- Epicenter
- 37.664° N, 122.471° 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 0.5 km horizontally, 0.3 km in depth
- Depth from
- From location
- Station coverage gap
- 245°, poorly surrounded by stations
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 47 in the 60 days after this one and 22 in the 30 days before it.
After
- 2.16km ENE of Kenwood, CA · 1733 days ago · 9 km deep · 86 km away
- 2.05km W of Yountville, CA · 1731 days ago · 6 km deep · 82 km away
- 1.711km NE of Milpitas, CA · 1730 days ago · 4 km deep · 60 km away
- 1.52km NE of Union City, CA · 1730 days ago · 5 km deep · 42 km away
- 1.75km WSW of Pacheco, CA · 1728 days ago · 9 km deep · 45 km away
- 1.54km WSW of Colma, CA · 1726 days ago · 9 km deep · 3 km away
- 1.61km NE of San Ramon, CA · 1726 days ago · 10 km deep · 46 km away
- 2.111km SSW of Brentwood, CA · 1725 days ago · 18 km deep · 65 km away
- 2.46km N of Diablo, CA · 1725 days ago · 13 km deep · 51 km away · felt by 25
- 1.62km NNE of San Ramon, CA · 1723 days ago · 11 km deep · 46 km away · felt by 2
- 1.98km E of Fremont, CA · 1723 days ago · 7 km deep · 53 km away · felt by 3
- 1.65km N of Lafayette, CA · 1717 days ago · 6 km deep · 43 km away
- 1.64km N of Lafayette, CA · 1717 days ago · 5 km deep · 42 km away · felt by 1
- 2.25km WNW of Dublin, CA · 1717 days ago · 6 km deep · 43 km away · felt by 12
- 1.96km WNW of Dublin, CA · 1717 days ago · 8 km deep · 43 km away · felt by 2
- 1.61km NE of Byron, CA · 1715 days ago · 4 km deep · 77 km away
- 1.51km SE of Pacifica, CA · 1714 days ago · 8 km deep · 7 km away
- 1.52km NNW of Green Valley, CA · 1714 days ago · 6 km deep · 72 km away
- 1.612km SW of Mountain House, CA · 1713 days ago · 18 km deep · 75 km away
- 1.512km SW of Mountain House, CA · 1713 days ago · 18 km deep · 74 km away
- 1.93km WSW of American Canyon, CA · 1713 days ago · 7 km deep · 58 km away
- 1.610km NNE of Morgan Hill, CA · 1711 days ago · 3 km deep · 92 km away · felt by 1
- 1.916km E of Seven Trees, CA · 1711 days ago · 4 km deep · 82 km away
- 2.23km NNW of Diablo, CA · 1701 days ago · 9 km deep · 49 km away · felt by 5
- 3.12km ENE of San Leandro, CA · 1701 days ago · 4 km deep · 30 km away · felt by 1,429
- 1.85km NW of Pittsburg, CA · 1701 days ago · 21 km deep · 66 km away · felt by 2
- 2.716km E of Seven Trees, CA · 1700 days ago · 5 km deep · 82 km away · felt by 37
- 1.95km SE of Brentwood, CA · 1697 days ago · 16 km deep · 73 km away
- 1.75km WNW of Byron, CA · 1697 days ago · 15 km deep · 74 km away
- 1.65km WNW of Byron, CA · 1696 days ago · 16 km deep · 73 km away
- 3.22km NNE of San Leandro, CA · 1696 days ago · 4 km deep · 30 km away · felt by 1,117
- 1.62km ENE of Pacifica, CA · 1695 days ago · 12 km deep · 5 km away
- 1.64km N of Inverness, CA · 1692 days ago · 13 km deep · 62 km away
- 2.93km ENE of San Leandro, CA · 1691 days ago · 6 km deep · 31 km away · felt by 414
- 1.83km ENE of San Leandro, CA · 1691 days ago · 6 km deep · 32 km away
- 1.62km NE of Union City, CA · 1689 days ago · 5 km deep · 42 km away · felt by 2
- 1.55km WSW of Daly City, CA · 1689 days ago · 8 km deep · 5 km away
- 1.72km SSW of Blackhawk, CA · 1689 days ago · 9 km deep · 51 km away · felt by 1
- 1.98km E of Alum Rock, CA · 1687 days ago · 7 km deep · 72 km away
- 1.93km ESE of Pacheco, CA · 1681 days ago · 16 km deep · 51 km away · felt by 4
- 1.912km ESE of Alum Rock, CA · 1681 days ago · 8 km deep · 77 km away
- 1.64km E of South San Francisco, CA · 1679 days ago · 10 km deep · 10 km away · felt by 1
- 2.35km E of Blackhawk, CA · 1679 days ago · 16 km deep · 57 km away · felt by 7
- 1.76km WSW of Daly City, CA · 1678 days ago · 8 km deep · 5 km away
- 2.75km SSW of Lexington Hills, CA · 1678 days ago · 14 km deep · 73 km away · felt by 106
- 1.62km NNE of Danville, CA · 1677 days ago · 9 km deep · 46 km away
- 2.01km NW of Concord, CA · 1676 days ago · 7 km deep · 52 km away · felt by 56
Before
- 1.510km ENE of Milpitas, CA · 1735 days ago · 8 km deep · 62 km away
- 2.19km E of Alum Rock, CA · 1736 days ago · 9 km deep · 73 km away
- 1.56km W of Kenwood, CA · 1739 days ago · 6 km deep · 84 km away
- 1.52km S of Alamo, CA · 1739 days ago · 10 km deep · 43 km away · felt by 3
- 2.34km NE of Fairview, CA · 1741 days ago · 7 km deep · 40 km away · felt by 27
- 1.85km NNE of Alum Rock, CA · 1745 days ago · 0 km deep · 64 km away · felt by 5
- 1.62km NE of San Ramon, CA · 1746 days ago · 10 km deep · 47 km away · felt by 2
- 1.91km NW of Danville, CA · 1747 days ago · 8 km deep · 45 km away · felt by 3
- 1.71km WNW of Danville, CA · 1748 days ago · 8 km deep · 44 km away · felt by 2
- 2.01km N of Pacifica, CA · 1750 days ago · 8 km deep · 4 km away · felt by 14
- 2.010km E of Alum Rock, CA · 1751 days ago · 9 km deep · 75 km away
- 1.89km NE of Morgan Hill, CA · 1755 days ago · 2 km deep · 95 km away
- 1.63km SSW of Half Moon Bay, CA · 1755 days ago · 10 km deep · 25 km away
- 2.32km SW of Discovery Bay, CA · 1756 days ago · 18 km deep · 80 km away
- 2.23km SSW of Half Moon Bay, CA · 1756 days ago · 10 km deep · 25 km away
- 1.63km SE of Concord, CA · 1756 days ago · 12 km deep · 52 km away
- 1.67km WSW of Lagunitas-Forest Knolls, CA · 1756 days ago · 5 km deep · 44 km away
- 1.63km SSW of Half Moon Bay, CA · 1757 days ago · 10 km deep · 26 km away
- 2.18km SW of Calistoga, CA · 1759 days ago · 8 km deep · 98 km away
- 2.57km SW of Calistoga, CA · 1759 days ago · 7 km deep · 98 km away · felt by 30
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73673491. Read Sun, Oct 4, 2026, 8:27 PM UTC.