California earthquakes

M1.6 earthquake 3 km ESE of Cloverdale, California

A magnitude 1.6 earthquake struck 3 km ESE of Cloverdale, California on Wed, Mar 9, 1977, 6:00 AM PST (14:00 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 3 km W of Moskowite Corner, California. This one was a foreshock.

Cloverdale 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
1977-03-09 14:00:57 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
38.796° N, 122.974° 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 0.6 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.25
Depth from
From location
Station coverage gap
57°
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: 49 in the 60 days after this one and 41 in the 30 days before it.

After

  1. 2.38 km WSW of Cobb, California · 18102 days ago · 0 km deep · 13 km away
  2. 1.7Northern California · 18102 days ago · 1 km deep · 13 km away
  3. 1.62 km ESE of Boonville, California · 18101 days ago · 5 km deep · 39 km away
  4. 1.72 km SE of North Lakeport, California · 18100 days ago · 1 km deep · 32 km away
  5. 2.118 km NE of Nice, California · 18099 days ago · 8 km deep · 54 km away
  6. 2.910 km NNE of Brooktrails, California · 18097 days ago · 3 km deep · 86 km away
  7. 1.74 km WSW of Cobb, California · 18097 days ago · 1 km deep · 18 km away
  8. 1.74 km WSW of Cobb, California · 18097 days ago · 1 km deep · 18 km away
  9. 1.84 km WSW of Cobb, California · 18097 days ago · 1 km deep · 18 km away
  10. 1.98 km W of Saint Helena, California · 18094 days ago · 7 km deep · 48 km away
  11. 1.96 km W of Cobb, California · 18094 days ago · 3 km deep · 15 km away
  12. 2.721 km NNE of Upper Lake, California · 18093 days ago · 10 km deep · 61 km away
  13. 2.40 km WSW of Larkfield-Wikiup, California · 18093 days ago · 2 km deep · 37 km away
  14. 1.96 km W of Cobb, California · 18091 days ago · 2 km deep · 15 km away
  15. 1.86 km W of Cobb, California · 18091 days ago · 3 km deep · 16 km away
  16. 1.75 km WSW of Cobb, California · 18091 days ago · 4 km deep · 17 km away
  17. 2.18 km WSW of Cobb, California · 18090 days ago · 4 km deep · 14 km away
  18. 2.06 km S of Calistoga, California · 18089 days ago · 5 km deep · 46 km away
  19. 2.421 km NNE of Upper Lake, California · 18089 days ago · 8 km deep · 62 km away
  20. 2.46 km W of Cobb, California · 18089 days ago · 3 km deep · 15 km away
  21. 2.26 km S of Moskowite Corner, California · 18088 days ago · 12 km deep · 81 km away
  22. 1.68 km WSW of Cobb, California · 18088 days ago · 3 km deep · 14 km away
  23. 2.22 km ENE of Calpella, California · 18087 days ago · 5 km deep · 52 km away
  24. 3.33 km W of Moskowite Corner, California · 18086 days ago · 7 km deep · 75 km away
  25. 2.95 km NNE of Penngrove, California · 18085 days ago · 7 km deep · 58 km away
  26. 2.32 km ESE of Boonville, California · 18085 days ago · 8 km deep · 39 km away
  27. 1.54 km WSW of Cobb, California · 18084 days ago · 1 km deep · 18 km away
  28. 1.77 km W of Cobb, California · 18084 days ago · 1 km deep · 14 km away
  29. 2.13 km ENE of Windsor, California · 18084 days ago · 5 km deep · 31 km away
  30. 1.87 km ESE of Geyserville, California · 18083 days ago · 6 km deep · 18 km away
  31. 2.58 km W of Cobb, California · 18083 days ago · 0 km deep · 13 km away
  32. 3.026 km N of Potter Valley, California · 18078 days ago · 11 km deep · 86 km away
  33. 1.86 km W of Cobb, California · 18078 days ago · 3 km deep · 15 km away
  34. 1.66 km W of Cobb, California · 18075 days ago · 3 km deep · 15 km away
  35. 1.97 km WSW of Kenwood, California · 18073 days ago · 9 km deep · 54 km away
  36. 2.07 km WSW of Kenwood, California · 18073 days ago · 10 km deep · 54 km away
  37. 1.74 km WSW of Cobb, California · 18072 days ago · 3 km deep · 17 km away
  38. 2.37 km WSW of Cobb, California · 18072 days ago · -1 km deep · 14 km away
  39. 1.78 km WSW of Cobb, California · 18070 days ago · 3 km deep · 14 km away
  40. 2.38 km ESE of Hopland, California · 18068 days ago · 7 km deep · 17 km away
  41. 2.04 km WNW of Cobb, California · 18065 days ago · 3 km deep · 17 km away
  42. 1.53 km N of Healdsburg, California · 18063 days ago · 5 km deep · 19 km away
  43. 1.93 km ESE of Hopland, California · 18058 days ago · 5 km deep · 20 km away
  44. 2.56 km W of Cobb, California · 18056 days ago · 4 km deep · 16 km away
  45. 1.94 km WSW of Cobb, California · 18055 days ago · 2 km deep · 18 km away
  46. 1.64 km WSW of Cobb, California · 18050 days ago · 1 km deep · 18 km away
  47. 1.62 km SE of Clear Lake Riviera, California · 18049 days ago · 1 km deep · 28 km away
  48. 1.84 km WSW of Cobb, California · 18049 days ago · 1 km deep · 17 km away
  49. 1.61 km NNW of Geyserville, California · 18045 days ago · 5 km deep · 10 km away

Before

  1. 2.13 km ESE of Cloverdale, California · 18106 days ago · 6 km deep · 0 km away
  2. 2.43 km NNE of Santa Rosa, California · 18106 days ago · 8 km deep · 44 km away
  3. 2.07 km W of Cobb, California · 18106 days ago · 4 km deep · 14 km away
  4. 1.54 km WSW of Cobb, California · 18107 days ago · 1 km deep · 18 km away
  5. 2.711 km ESE of Hidden Valley Lake, California · 18107 days ago · 6 km deep · 47 km away
  6. 1.62 km SW of Geyserville, California · 18108 days ago · 3 km deep · 12 km away
  7. 1.61 km SW of Geyserville, California · 18108 days ago · 2 km deep · 12 km away
  8. 1.61 km SW of Geyserville, California · 18108 days ago · 5 km deep · 12 km away
  9. 2.18 km W of Cobb, California · 18108 days ago · -1 km deep · 13 km away
  10. 1.67 km W of Cobb, California · 18110 days ago · 3 km deep · 15 km away
  11. 2.622 km ENE of Potter Valley, California · 18110 days ago · 8 km deep · 71 km away
  12. 2.87 km ENE of Willits, California · 18111 days ago · -1 km deep · 77 km away
  13. 2.512 km E of Geyserville, California · 18113 days ago · 8 km deep · 21 km away
  14. 2.426 km ENE of Potter Valley, California · 18113 days ago · 5 km deep · 74 km away
  15. 2.46 km W of Cobb, California · 18114 days ago · 0 km deep · 15 km away
  16. 2.02 km ESE of Boonville, California · 18116 days ago · 6 km deep · 39 km away
  17. 2.22 km ESE of Boonville, California · 18116 days ago · 7 km deep · 39 km away
  18. 2.66 km E of Larkfield-Wikiup, California · 18116 days ago · 6 km deep · 40 km away
  19. 1.62 km ESE of Boonville, California · 18116 days ago · 6 km deep · 39 km away
  20. 1.52 km ESE of Boonville, California · 18116 days ago · 8 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1034321. Read Thu, Oct 1, 2026, 3:16 PM UTC.