California earthquakes

M1.6 earthquake Central California

A magnitude 1.6 earthquake struck in Central California on Mon, Jan 31, 1977, 7:24 PM PST (03:24 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M3.3 7 km W of Three Rocks, California. This one was a foreshock.

Yosemite Lakes forecastMore in California

Map

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

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The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1977-02-01 03:24:56 UTC
Depth
26.9 km (16.7 mi), shallow
Epicenter
37.267° N, 119.942° W
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 1.2 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
321°, poorly surrounded by stations
Stations used
4

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 29 in the 30 days before it.

After

  1. 1.55 km N of Yosemite Lakes, California · 18142 days ago · 3 km deep · 16 km away
  2. 1.6Central California · 18142 days ago · 25 km deep · 42 km away
  3. 2.416 km SSE of Catheys Valley, California · 18139 days ago · 24 km deep · 8 km away
  4. 2.210 km ENE of Wawona, California · 18138 days ago · 4 km deep · 48 km away
  5. 1.814 km SSE of Catheys Valley, California · 18138 days ago · 30 km deep · 11 km away
  6. 1.85 km E of Midpines, California · 18137 days ago · 24 km deep · 31 km away
  7. 3.15 km SSE of Catheys Valley, California · 18137 days ago · 30 km deep · 18 km away
  8. 2.219 km E of Le Grand, California · 18136 days ago · 9 km deep · 10 km away
  9. 1.89 km SSE of Catheys Valley, California · 18134 days ago · 24 km deep · 14 km away
  10. 2.05 km NE of Bear Valley, California · 18133 days ago · 25 km deep · 40 km away
  11. 1.714 km S of Catheys Valley, California · 18131 days ago · 25 km deep · 14 km away
  12. 2.216 km SSE of Catheys Valley, California · 18131 days ago · 24 km deep · 7 km away
  13. 2.415 km SSE of Catheys Valley, California · 18131 days ago · 20 km deep · 8 km away
  14. 1.714 km SE of Catheys Valley, California · 18131 days ago · 18 km deep · 9 km away
  15. 1.79 km NE of Bear Valley, California · 18129 days ago · 5 km deep · 42 km away
  16. 2.6Central California · 18128 days ago · 32 km deep · 11 km away
  17. 1.96 km ESE of Catheys Valley, California · 18122 days ago · 32 km deep · 18 km away
  18. 2.211 km SE of Greeley Hill, California · 18120 days ago · 26 km deep · 46 km away
  19. 2.02 km WSW of Buck Meadows, California · 18119 days ago · 34 km deep · 61 km away
  20. 1.99 km SE of Catheys Valley, California · 18118 days ago · 22 km deep · 13 km away
  21. 2.114 km SE of Catheys Valley, California · 18116 days ago · 22 km deep · 9 km away
  22. 2.50 km W of Groveland, California · 18112 days ago · 19 km deep · 69 km away
  23. 3.17 km SSW of Bootjack, California · 18104 days ago · 15 km deep · 15 km away
  24. 2.75 km SSE of Bootjack, California · 18092 days ago · 0 km deep · 18 km away
  25. 3.37 km W of Three Rocks, California · 18087 days ago · 6 km deep · 97 km away

Before

  1. 1.710 km SE of Catheys Valley, California · 18143 days ago · 23 km deep · 13 km away
  2. 1.912 km SE of Greeley Hill, California · 18144 days ago · 26 km deep · 46 km away
  3. 1.69 km SSE of Catheys Valley, California · 18144 days ago · 22 km deep · 14 km away
  4. 1.63 km N of Bear Valley, California · 18147 days ago · 25 km deep · 41 km away
  5. 1.98 km SSE of Catheys Valley, California · 18148 days ago · 24 km deep · 15 km away
  6. 2.48 km SSE of Catheys Valley, California · 18149 days ago · 22 km deep · 15 km away
  7. 1.92 km NE of Bear Valley, California · 18150 days ago · 28 km deep · 38 km away
  8. 2.00 km WNW of Bear Valley, California · 18150 days ago · 25 km deep · 37 km away
  9. 1.63 km NNE of Bear Valley, California · 18150 days ago · 28 km deep · 40 km away
  10. 1.94 km NE of Bear Valley, California · 18150 days ago · 28 km deep · 39 km away
  11. 2.11 km NNE of Bear Valley, California · 18150 days ago · 27 km deep · 38 km away
  12. 2.31 km NE of Bear Valley, California · 18150 days ago · 26 km deep · 38 km away
  13. 1.69 km SSE of Catheys Valley, California · 18150 days ago · 23 km deep · 14 km away
  14. 1.99 km SE of Catheys Valley, California · 18152 days ago · 20 km deep · 13 km away
  15. 2.112 km W of La Vina, California · 18156 days ago · -1 km deep · 50 km away
  16. 1.58 km NNW of Nipinnawasee, California · 18159 days ago · 4 km deep · 29 km away
  17. 1.52 km WNW of Bootjack, California · 18159 days ago · 2 km deep · 24 km away
  18. 1.88 km NNW of Nipinnawasee, California · 18159 days ago · 0 km deep · 28 km away
  19. 2.57 km NNW of Nipinnawasee, California · 18160 days ago · 18 km deep · 26 km away
  20. 2.05 km SSE of Catheys Valley, California · 18163 days ago · 22 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1033667. Read Mon, Oct 5, 2026, 3:47 AM UTC.