M1.7 earthquake 4km N of Pinnacles, CA
A magnitude 1.7 earthquake struck 4km N of Pinnacles, CA on Mon, Aug 30, 2021, 5:43 AM PDT (12:43 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M4.7 18km NW of San Simeon, CA. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (Md, duration), micro
- Magnitude from
- Northern California Seismic System
- Local time
- UTC
- 2021-08-30 12:43:25 UTC
- Depth
- 6.2 km (3.8 mi), shallow
- Epicenter
- 36.563° N, 121.150° 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 0.2 km horizontally, 0.2 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 118°
- Stations used
- 29
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 70 in the 30 days before it.
After
- 1.718km SSW of Gustine, CA · 1862 days ago · 7 km deep · 61 km away
- 2.017km N of San Simeon, CA · 1862 days ago · 10 km deep · 86 km away
- 1.73km ESE of Aromas, CA · 1861 days ago · 7 km deep · 54 km away · felt by 2
- 1.915km E of Seven Trees, CA · 1861 days ago · 4 km deep · 93 km away
- 4.06km NW of Pinnacles, CA · 1861 days ago · 9 km deep · 3 km away · felt by 265 · tsunami flag
- 2.19km SE of Pinnacles, CA · 1860 days ago · 6 km deep · 12 km away
- 1.58km NNW of Pinnacles, CA · 1858 days ago · 7 km deep · 5 km away
- 2.014km N of Morgan Hill, CA · 1858 days ago · 4 km deep · 88 km away · felt by 2
- 2.26km SW of Gilroy, CA · 1857 days ago · 3 km deep · 61 km away · felt by 1
- 1.56km SW of Gilroy, CA · 1857 days ago · 3 km deep · 61 km away
- 1.913km SSE of Tres Pinos, CA · 1856 days ago · 6 km deep · 18 km away
- 1.722km SSE of Lopez Point, CA · 1855 days ago · 12 km deep · 84 km away
- 1.611km ESE of Gilroy, CA · 1855 days ago · 5 km deep · 53 km away · felt by 3
- 1.722km SSE of Lopez Point, CA · 1855 days ago · 10 km deep · 84 km away
- 2.515km SSE of Tres Pinos, CA · 1852 days ago · 5 km deep · 16 km away · felt by 3
- 1.67km NNW of Pinnacles, CA · 1852 days ago · 8 km deep · 4 km away
- 1.78km S of Gustine, CA · 1851 days ago · 9 km deep · 71 km away
- 2.216km NW of Pinnacles, CA · 1851 days ago · 4 km deep · 13 km away
- 1.723km WSW of New Idria, CA · 1850 days ago · 8 km deep · 36 km away
- 2.17km NNW of Pinnacles, CA · 1850 days ago · 8 km deep · 4 km away
- 2.08km N of Pinnacles, CA · 1850 days ago · 9 km deep · 5 km away
- 2.015km NW of Pinnacles, CA · 1849 days ago · 10 km deep · 12 km away · felt by 1
- 2.313km NNE of Cambria, CA · 1847 days ago · 7 km deep · 100 km away · felt by 2
- 3.815km SSE of New Idria, CA · 1847 days ago · 17 km deep · 58 km away · felt by 29
- 1.88km ESE of Pinnacles, CA · 1847 days ago · 3 km deep · 10 km away
- 1.613km NW of Avenal, CA · 1845 days ago · 11 km deep · 98 km away
- 2.823km NW of Parkfield, CA · 1845 days ago · 4 km deep · 75 km away · felt by 2
- 2.07km NNW of Pinnacles, CA · 1844 days ago · 7 km deep · 4 km away
- 1.59km SSW of Tres Pinos, CA · 1844 days ago · 1 km deep · 27 km away
- 1.813km SE of Pinnacles, CA · 1844 days ago · 0 km deep · 16 km away
- 2.122km NE of San Lucas, CA · 1843 days ago · 7 km deep · 46 km away
- 2.012km NNE of Hollister, CA · 1843 days ago · 8 km deep · 44 km away · felt by 1
- 1.96km NNE of Los Banos, CA · 1843 days ago · 5 km deep · 67 km away
- 2.05km NNE of Los Banos, CA · 1843 days ago · 5 km deep · 67 km away
- 2.15km NNE of Los Banos, CA · 1843 days ago · 6 km deep · 66 km away
- 2.46km NNE of Los Banos, CA · 1843 days ago · 6 km deep · 67 km away · felt by 4
- 2.010km SE of Pinnacles, CA · 1843 days ago · 9 km deep · 13 km away
- 2.112km NNE of Hollister, CA · 1842 days ago · 7 km deep · 45 km away · felt by 2
- 1.57km NNW of Pinnacles, CA · 1841 days ago · 8 km deep · 4 km away
- 1.52km NNE of Pinnacles, CA · 1841 days ago · 6 km deep · 2 km away
- 1.913km SSW of Tres Pinos, CA · 1840 days ago · 10 km deep · 25 km away
- 1.98km NW of Pinnacles, CA · 1840 days ago · 8 km deep · 5 km away
- 1.816km N of New Idria, CA · 1840 days ago · 6 km deep · 45 km away
- 3.212km W of Moss Landing, CA · 1839 days ago · 9 km deep · 73 km away · felt by 500
- 2.017km NW of New Idria, CA · 1838 days ago · 4 km deep · 33 km away
- 2.211km NW of Parkfield, CA · 1837 days ago · 10 km deep · 87 km away
- 1.67km NW of Pinnacles, CA · 1836 days ago · 7 km deep · 4 km away
- 1.96km S of Tres Pinos, CA · 1835 days ago · 10 km deep · 25 km away
- 2.18km SSW of Tres Pinos, CA · 1835 days ago · 3 km deep · 26 km away · felt by 1
- 1.612km W of Moss Landing, CA · 1832 days ago · 10 km deep · 73 km away
- 1.710km NW of Pinnacles, CA · 1832 days ago · 1 km deep · 7 km away
- 2.812km W of Moss Landing, CA · 1832 days ago · 8 km deep · 73 km away · felt by 123
- 1.75km S of San Juan Bautista, CA · 1832 days ago · 7 km deep · 44 km away
- 2.014km SSE of Tres Pinos, CA · 1832 days ago · 5 km deep · 17 km away
- 2.86km NW of Pinnacles, CA · 1831 days ago · 8 km deep · 4 km away · felt by 2
- 2.07km NNW of Pinnacles, CA · 1831 days ago · 8 km deep · 4 km away
- 1.54km NNW of Pinnacles, CA · 1831 days ago · 9 km deep · 1 km away
- 1.99km NNE of New Idria, CA · 1829 days ago · 9 km deep · 47 km away
- 1.814km SSE of Tres Pinos, CA · 1829 days ago · 2 km deep · 17 km away
- 2.014km SSE of Tres Pinos, CA · 1829 days ago · 4 km deep · 16 km away
The first 60 of 121.
Before
- 1.815km E of Seven Trees, CA · 1862 days ago · 3 km deep · 94 km away
- 1.88km NW of Pinnacles, CA · 1862 days ago · 7 km deep · 5 km away · felt by 2
- 1.813km N of San Simeon, CA · 1863 days ago · 9 km deep · 90 km away
- 1.77km ENE of Pinnacles, CA · 1863 days ago · 12 km deep · 7 km away · felt by 1
- 1.720km SW of New Idria, CA · 1863 days ago · 10 km deep · 41 km away
- 2.11km NE of Pinnacles, CA · 1864 days ago · 9 km deep · 3 km away
- 1.923km NNW of San Simeon, CA · 1864 days ago · 12 km deep · 84 km away
- 2.012km NW of Pinnacles, CA · 1865 days ago · 5 km deep · 9 km away
- 2.111km SSW of Fairmead, CA · 1865 days ago · 18 km deep · 93 km away
- 1.825km NW of Parkfield, CA · 1865 days ago · 5 km deep · 73 km away
- 1.923km NW of Parkfield, CA · 1866 days ago · 6 km deep · 75 km away · felt by 1
- 1.827km NW of San Simeon, CA · 1867 days ago · 10 km deep · 84 km away
- 1.722km NW of San Simeon, CA · 1867 days ago · 4 km deep · 86 km away
- 1.925km SSW of South Dos Palos, CA · 1868 days ago · 2 km deep · 43 km away
- 1.815km E of Seven Trees, CA · 1868 days ago · 3 km deep · 94 km away
- 2.115km E of Seven Trees, CA · 1868 days ago · 4 km deep · 94 km away · felt by 1
- 1.824km SSW of Los Banos, CA · 1868 days ago · 6 km deep · 37 km away
- 1.619km NNW of Coalinga, CA · 1869 days ago · 8 km deep · 68 km away
- 1.624km SSW of Los Banos, CA · 1869 days ago · 2 km deep · 37 km away
- 1.65km NW of Parkfield, CA · 1869 days ago · 5 km deep · 93 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event nc73617906. Read Mon, Oct 5, 2026, 7:42 AM UTC.