M1.6 earthquake 6km SW of Ridgemark, CA
A magnitude 1.6 earthquake struck 6km SW of Ridgemark, CA on Tue, Sep 6, 2022, 11:34 PM PDT (06:34 UTC), 12 km (7 mi) below the surface.
A larger quake followed: M5.1 15km ESE of Alum Rock, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (Md, duration), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 2022-09-07 06:34:30 UTC
- Depth
- 11.5 km (7.2 mi), shallow
- Epicenter
- 36.766° N, 121.410° 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 0.3 km horizontally, 0.3 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
- Station coverage gap
- 69°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 83 in the 30 days before it.
After
- 2.63km NNW of Pinnacles, CA · 1488 days ago · 7 km deep · 32 km away · felt by 1
- 1.723km WSW of New Idria, CA · 1488 days ago · 6 km deep · 69 km away
- 1.93km WSW of Cupertino, CA · 1488 days ago · 5 km deep · 84 km away · felt by 2
- 2.53km WSW of San Juan Bautista, CA · 1488 days ago · 5 km deep · 16 km away · felt by 5
- 2.22km W of Tres Pinos, CA · 1487 days ago · 9 km deep · 6 km away
- 1.615km E of Seven Trees, CA · 1487 days ago · 7 km deep · 65 km away
- 1.513km SE of Pinnacles, CA · 1487 days ago · 1 km deep · 48 km away
- 1.83km NNW of Pinnacles, CA · 1486 days ago · 7 km deep · 32 km away
- 2.24km ENE of Pinnacles, CA · 1486 days ago · 2 km deep · 37 km away · felt by 2
- 2.26km S of San Juan Bautista, CA · 1485 days ago · 8 km deep · 11 km away
- 3.216km NW of Pinnacles, CA · 1485 days ago · 10 km deep · 20 km away · felt by 61
- 2.45km NNE of Pinnacles, CA · 1485 days ago · 10 km deep · 34 km away
- 1.723km ENE of San Lucas, CA · 1485 days ago · 7 km deep · 79 km away
- 1.65km ENE of Pinnacles, CA · 1484 days ago · 3 km deep · 37 km away
- 2.45km NE of Pinnacles, CA · 1484 days ago · 10 km deep · 34 km away · felt by 1
- 2.25km ENE of Pinnacles, CA · 1484 days ago · 3 km deep · 38 km away · felt by 4
- 1.623km WSW of New Idria, CA · 1484 days ago · 6 km deep · 68 km away
- 2.06km SSE of Portola Valley, CA · 1484 days ago · 9 km deep · 95 km away · felt by 1
- 1.95km NNE of Pinnacles, CA · 1484 days ago · 10 km deep · 34 km away
- 1.65km NNW of Aromas, CA · 1483 days ago · 11 km deep · 30 km away
- 2.022km NE of San Lucas, CA · 1483 days ago · 7 km deep · 75 km away
- 1.65km NE of Pinnacles, CA · 1483 days ago · 10 km deep · 34 km away
- 2.79km ENE of San Martin, CA · 1482 days ago · 6 km deep · 42 km away · felt by 36
- 1.55km ENE of Pinnacles, CA · 1482 days ago · 3 km deep · 38 km away · felt by 3
- 2.83km SSW of San Juan Bautista, CA · 1482 days ago · 6 km deep · 14 km away · felt by 15
- 1.85km ENE of Pinnacles, CA · 1481 days ago · 2 km deep · 36 km away
- 2.45km NNE of Pinnacles, CA · 1481 days ago · 10 km deep · 34 km away · felt by 2
- 1.622km SW of Los Banos, CA · 1480 days ago · 0 km deep · 38 km away
- 3.321km SW of Los Banos, CA · 1480 days ago · 6 km deep · 39 km away · felt by 10
- 1.85km NNE of Pinnacles, CA · 1480 days ago · 10 km deep · 34 km away
- 2.114km W of New Idria, CA · 1480 days ago · 10 km deep · 65 km away
- 1.910km E of Alum Rock, CA · 1480 days ago · 6 km deep · 72 km away
- 1.821km SW of Los Banos, CA · 1479 days ago · 4 km deep · 38 km away
- 1.612km SE of Pinnacles, CA · 1479 days ago · 8 km deep · 47 km away
- 1.94km NNW of Pinnacles, CA · 1478 days ago · 4 km deep · 32 km away
- 1.86km SSE of Portola Valley, CA · 1477 days ago · 9 km deep · 95 km away
- 1.77km SSE of Portola Valley, CA · 1477 days ago · 9 km deep · 94 km away
- 1.96km SSE of Portola Valley, CA · 1477 days ago · 9 km deep · 94 km away · felt by 2
- 2.53km W of Hollister, CA · 1477 days ago · 7 km deep · 10 km away · felt by 7
- 3.37km SSW of Tres Pinos, CA · 1477 days ago · 8 km deep · 7 km away · felt by 73
- 1.76km SW of Gilroy, CA · 1477 days ago · 6 km deep · 29 km away
- 1.55km N of Pinnacles, CA · 1476 days ago · 10 km deep · 32 km away
- 2.311km SE of Pinnacles, CA · 1476 days ago · 7 km deep · 46 km away
- 2.38km N of Hollister, CA · 1475 days ago · 9 km deep · 18 km away
- 1.713km SE of Pinnacles, CA · 1475 days ago · 1 km deep · 48 km away
- 1.812km S of Tres Pinos, CA · 1474 days ago · 4 km deep · 13 km away
- 2.25km ENE of Pinnacles, CA · 1474 days ago · 3 km deep · 37 km away
- 1.75km WNW of San Juan Bautista, CA · 1473 days ago · 6 km deep · 19 km away
- 2.54km ENE of Pinnacles, CA · 1472 days ago · 2 km deep · 37 km away · felt by 2
- 1.99km NW of Pinnacles, CA · 1471 days ago · 8 km deep · 27 km away
- 2.54km ENE of Pinnacles, CA · 1471 days ago · 2 km deep · 36 km away · felt by 3
- 2.08km NE of San Martin, CA · 1470 days ago · 2 km deep · 41 km away
- 2.020km E of Tres Pinos, CA · 1470 days ago · 10 km deep · 28 km away
- 1.94km NE of Pinnacles, CA · 1469 days ago · 2 km deep · 35 km away
- 1.96km ENE of Pinnacles, CA · 1469 days ago · 8 km deep · 38 km away
- 2.46km SSW of Gilroy, CA · 1468 days ago · 6 km deep · 28 km away · felt by 6
- 2.66km SSW of Gilroy, CA · 1468 days ago · 5 km deep · 28 km away · felt by 50
- 2.010km NW of Pinnacles, CA · 1468 days ago · 7 km deep · 25 km away
- 3.424km NE of Alum Rock, CA · 1467 days ago · 8 km deep · 84 km away · felt by 73
- 1.82km WNW of Los Altos Hills, CA · 1467 days ago · 6 km deep · 96 km away
The first 60 of 170.
Before
- 1.728km ENE of Alum Rock, CA · 1489 days ago · 9 km deep · 77 km away
- 1.89km ENE of Morgan Hill, CA · 1489 days ago · 2 km deep · 45 km away
- 1.84km NNE of Pinnacles, CA · 1490 days ago · 10 km deep · 34 km away
- 2.18km SSW of Tres Pinos, CA · 1490 days ago · 3 km deep · 6 km away
- 1.94km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 34 km away · felt by 1
- 2.44km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 34 km away · felt by 3
- 3.414km ESE of Alum Rock, CA · 1491 days ago · 8 km deep · 65 km away · felt by 342
- 1.94km NNE of Pinnacles, CA · 1491 days ago · 11 km deep · 33 km away
- 1.85km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 34 km away
- 1.82km WNW of Los Altos Hills, CA · 1491 days ago · 6 km deep · 96 km away · felt by 5
- 2.05km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 34 km away
- 2.24km NNE of Pinnacles, CA · 1491 days ago · 9 km deep · 34 km away · felt by 1
- 2.54km N of Pinnacles, CA · 1491 days ago · 10 km deep · 33 km away
- 2.24km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 33 km away
- 2.15km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 34 km away
- 2.35km NNE of Pinnacles, CA · 1491 days ago · 9 km deep · 34 km away
- 2.05km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 34 km away · felt by 1
- 1.64km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 34 km away
- 2.25km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 33 km away
- 2.05km NNE of Pinnacles, CA · 1491 days ago · 10 km deep · 33 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73776270. Read Mon, Oct 5, 2026, 2:24 AM UTC.