California earthquakes

M2.6 earthquake Central California

A magnitude 2.6 earthquake struck in Central California on Tue, Feb 15, 1977, 10:45 PM PST (06:45 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M3.1 7 km SSW of Bootjack, California. This one was a foreshock.

Catheys Valley 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
2.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1977-02-16 06:45:35 UTC
Depth
32.3 km (20.1 mi), shallow
Epicenter
37.358° N, 120.004° 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 0.8 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
94°
Stations used
6

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 31 in the 30 days before it.

After

  1. 1.96 km ESE of Catheys Valley, California · 18120 days ago · 32 km deep · 7 km away
  2. 2.211 km SE of Greeley Hill, California · 18118 days ago · 26 km deep · 35 km away
  3. 2.02 km WSW of Buck Meadows, California · 18117 days ago · 34 km deep · 50 km away
  4. 1.99 km SE of Catheys Valley, California · 18116 days ago · 22 km deep · 2 km away
  5. 2.114 km SE of Catheys Valley, California · 18114 days ago · 22 km deep · 3 km away
  6. 2.50 km W of Groveland, California · 18110 days ago · 19 km deep · 57 km away
  7. 3.17 km SSW of Bootjack, California · 18102 days ago · 15 km deep · 10 km away
  8. 2.75 km SSE of Bootjack, California · 18090 days ago · 0 km deep · 15 km away

Before

  1. 1.79 km NE of Bear Valley, California · 18127 days ago · 5 km deep · 31 km away
  2. 1.714 km SE of Catheys Valley, California · 18129 days ago · 18 km deep · 3 km away
  3. 2.415 km SSE of Catheys Valley, California · 18129 days ago · 20 km deep · 6 km away
  4. 2.216 km SSE of Catheys Valley, California · 18129 days ago · 24 km deep · 6 km away
  5. 1.714 km S of Catheys Valley, California · 18129 days ago · 25 km deep · 10 km away
  6. 2.05 km NE of Bear Valley, California · 18131 days ago · 25 km deep · 29 km away
  7. 1.89 km SSE of Catheys Valley, California · 18132 days ago · 24 km deep · 4 km away
  8. 2.219 km E of Le Grand, California · 18134 days ago · 9 km deep · 16 km away
  9. 3.15 km SSE of Catheys Valley, California · 18135 days ago · 30 km deep · 7 km away
  10. 1.85 km E of Midpines, California · 18135 days ago · 24 km deep · 24 km away
  11. 1.814 km SSE of Catheys Valley, California · 18136 days ago · 30 km deep · 7 km away
  12. 2.210 km ENE of Wawona, California · 18136 days ago · 4 km deep · 46 km away
  13. 2.416 km SSE of Catheys Valley, California · 18137 days ago · 24 km deep · 7 km away
  14. 1.6Central California · 18140 days ago · 25 km deep · 30 km away
  15. 1.55 km N of Yosemite Lakes, California · 18140 days ago · 3 km deep · 25 km away
  16. 1.6Central California · 18141 days ago · 27 km deep · 11 km away
  17. 1.710 km SE of Catheys Valley, California · 18141 days ago · 23 km deep · 2 km away
  18. 1.912 km SE of Greeley Hill, California · 18142 days ago · 26 km deep · 35 km away
  19. 1.69 km SSE of Catheys Valley, California · 18142 days ago · 22 km deep · 5 km away
  20. 1.63 km N of Bear Valley, California · 18145 days ago · 25 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1033957. Read Sat, Oct 3, 2026, 6:58 AM UTC.