California earthquakes

M1.6 earthquake 16km SW of Buttonwillow, CA

A magnitude 1.6 earthquake struck 16km SW of Buttonwillow, CA on Sat, Oct 30, 2021, 7:37 PM PDT (02:37 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.6 14km E of Arvin, CA. This one was a foreshock.

Buttonwillow forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-10-31 02:37:12 UTC
Depth
10.4 km (6.5 mi), shallow
Epicenter
35.288° N, 119.585° W
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.4 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
96°
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: 25 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.910km WSW of Grapevine, CA · 1795 days ago · 14 km deep · 66 km away
  2. 1.619km NW of Grapevine, CA · 1791 days ago · 22 km deep · 53 km away
  3. 1.822km SSW of Bodfish, CA · 1788 days ago · 4 km deep · 95 km away
  4. 1.60km ENE of Kettleman City, CA · 1788 days ago · -1 km deep · 87 km away
  5. 2.614km E of Arvin, CA · 1788 days ago · 6 km deep · 83 km away · felt by 24
  6. 1.622km WNW of Buttonwillow, CA · 1782 days ago · 28 km deep · 22 km away
  7. 2.025km NNE of Montecito, CA · 1782 days ago · 3 km deep · 72 km away
  8. 1.622km SSW of Bodfish, CA · 1780 days ago · 5 km deep · 95 km away
  9. 2.23km S of Frazier Park, CA · 1778 days ago · 14 km deep · 80 km away
  10. 2.325km SSW of Bodfish, CA · 1778 days ago · 4 km deep · 94 km away
  11. 1.716km ESE of Kettleman City, CA · 1774 days ago · 9 km deep · 78 km away
  12. 1.79km WSW of Grapevine, CA · 1772 days ago · 10 km deep · 65 km away
  13. 1.623km NNE of Ojai, CA · 1772 days ago · 1 km deep · 83 km away
  14. 1.614km SW of Taft, CA · 1772 days ago · 18 km deep · 26 km away
  15. 1.613km SW of Lamont, CA · 1768 days ago · 16 km deep · 53 km away
  16. 1.919km NW of Grapevine, CA · 1766 days ago · 17 km deep · 52 km away
  17. 1.914km SSW of Avenal, CA · 1753 days ago · 21 km deep · 84 km away
  18. 1.714km SSW of Avenal, CA · 1752 days ago · 21 km deep · 84 km away
  19. 1.824km ENE of Arvin, CA · 1752 days ago · 6 km deep · 89 km away · felt by 1
  20. 2.112km WNW of Corcoran, CA · 1751 days ago · 20 km deep · 95 km away
  21. 1.623km N of Tehachapi, CA · 1749 days ago · 5 km deep · 100 km away
  22. 1.822km NNW of Tehachapi, CA · 1749 days ago · 8 km deep · 99 km away
  23. 1.511km NW of Pine Mountain Club, CA · 1744 days ago · 1 km deep · 52 km away
  24. 1.617km NW of Grapevine, CA · 1741 days ago · 2 km deep · 54 km away · felt by 1
  25. 1.814km E of Arvin, CA · 1740 days ago · 7 km deep · 83 km away

Before

  1. 1.625km NNE of Montecito, CA · 1799 days ago · 10 km deep · 72 km away
  2. 1.725km NNE of Montecito, CA · 1799 days ago · 6 km deep · 72 km away
  3. 2.24km ESE of Cholame, CA · 1800 days ago · 13 km deep · 77 km away · felt by 1
  4. 1.716km N of Pine Mountain Club, CA · 1800 days ago · 5 km deep · 53 km away · felt by 3
  5. 2.219km NW of Tehachapi, CA · 1800 days ago · 7 km deep · 91 km away · felt by 4
  6. 1.69km N of Santa Barbara, CA · 1805 days ago · 10 km deep · 88 km away · felt by 2
  7. 1.713km ESE of Kettleman City, CA · 1808 days ago · 8 km deep · 78 km away · felt by 1
  8. 1.912km ESE of Kettleman City, CA · 1808 days ago · 9 km deep · 78 km away
  9. 1.822km NNW of Tehachapi, CA · 1808 days ago · 3 km deep · 95 km away
  10. 1.68km W of Frazier Park, CA · 1809 days ago · 12 km deep · 71 km away
  11. 1.720km ESE of Kettleman City, CA · 1810 days ago · 17 km deep · 76 km away
  12. 2.413km ESE of Kettleman City, CA · 1810 days ago · 5 km deep · 78 km away · felt by 1
  13. 2.313km ESE of Kettleman City, CA · 1813 days ago · 13 km deep · 79 km away
  14. 1.619km N of Pine Mountain Club, CA · 1813 days ago · 1 km deep · 48 km away
  15. 1.99km W of Grapevine, CA · 1813 days ago · 12 km deep · 65 km away
  16. 1.619km ENE of Maricopa, CA · 1815 days ago · 22 km deep · 37 km away
  17. 1.517km ENE of Lebec, CA · 1815 days ago · 9 km deep · 91 km away
  18. 1.718km WNW of Grapevine, CA · 1816 days ago · 9 km deep · 53 km away
  19. 1.622km NNW of Tehachapi, CA · 1817 days ago · 3 km deep · 96 km away
  20. 2.99km SE of Kettleman City, CA · 1822 days ago · 29 km deep · 79 km away · felt by 1

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39845175. Read Sat, Oct 3, 2026, 4:14 PM UTC.