California earthquakes

M2.1 earthquake 4km ESE of Berkeley, CA

A magnitude 2.1 earthquake struck 4km ESE of Berkeley, CA on Mon, Sep 28, 2020, 11:49 AM PDT (18:49 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.5 13km E of Angwin, CA. This one was a foreshock.

Berkeley 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2020-09-28 18:49:52 UTC
Depth
5.7 km (3.5 mi), shallow
Epicenter
37.858° N, 122.237° W
Felt reports
19
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

19 people reported to the USGS what they felt; the strongest reported shaking was III, 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 0.1 km horizontally, 0.1 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
33°
Stations used
62

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 58 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 2.710km NE of Milpitas, CA · 2196 days ago · 5 km deep · 54 km away · felt by 43
  2. 2.910km NE of Milpitas, CA · 2196 days ago · 5 km deep · 54 km away · felt by 195
  3. 3.310km NE of Milpitas, CA · 2196 days ago · 5 km deep · 54 km away · felt by 1,024
  4. 1.97km S of Livermore, CA · 2196 days ago · 3 km deep · 49 km away · felt by 2
  5. 2.07km S of Livermore, CA · 2196 days ago · 4 km deep · 49 km away · felt by 4
  6. 2.610km NNE of Milpitas, CA · 2195 days ago · 9 km deep · 50 km away · felt by 27
  7. 1.710km NE of Milpitas, CA · 2195 days ago · 5 km deep · 54 km away
  8. 2.64km ESE of Berkeley, CA · 2195 days ago · 6 km deep · 0 km away · felt by 1,326
  9. 2.42km E of Berkeley, CA · 2195 days ago · 9 km deep · 1 km away · felt by 62
  10. 2.36km W of Glen Ellen, CA · 2194 days ago · 1 km deep · 65 km away · felt by 4
  11. 2.910km NE of Milpitas, CA · 2193 days ago · 5 km deep · 54 km away · felt by 103
  12. 2.62km ENE of Pleasant Hill, CA · 2192 days ago · 12 km deep · 21 km away · felt by 32
  13. 2.011km NE of Milpitas, CA · 2191 days ago · 5 km deep · 54 km away
  14. 2.110km NE of Milpitas, CA · 2189 days ago · 4 km deep · 54 km away · felt by 3
  15. 2.52km ENE of San Leandro, CA · 2188 days ago · 5 km deep · 17 km away · felt by 210
  16. 1.64km S of Larkfield-Wikiup, CA · 2188 days ago · 7 km deep · 82 km away
  17. 1.910km NE of Milpitas, CA · 2187 days ago · 5 km deep · 54 km away · felt by 1
  18. 1.96km WSW of St. Helena, CA · 2186 days ago · 9 km deep · 74 km away
  19. 2.210km NE of Milpitas, CA · 2184 days ago · 5 km deep · 54 km away · felt by 1
  20. 1.711km NE of Milpitas, CA · 2184 days ago · 5 km deep · 54 km away
  21. 2.77km N of Boulder Creek, CA · 2184 days ago · 9 km deep · 75 km away · felt by 201
  22. 2.33km ENE of San Ramon, CA · 2184 days ago · 11 km deep · 26 km away · felt by 5
  23. 1.76km W of Brentwood, CA · 2183 days ago · 15 km deep · 39 km away · felt by 2
  24. 1.911km NE of Milpitas, CA · 2181 days ago · 5 km deep · 54 km away
  25. 1.911km NE of Milpitas, CA · 2181 days ago · 4 km deep · 54 km away · felt by 1
  26. 1.88km SSW of Loyola, CA · 2180 days ago · 6 km deep · 66 km away · felt by 1
  27. 2.99km S of Esparto, CA · 2176 days ago · 11 km deep · 86 km away · felt by 33
  28. 2.610km S of Esparto, CA · 2176 days ago · 9 km deep · 85 km away · felt by 14
  29. 1.55km N of Kenwood, CA · 2176 days ago · 7 km deep · 72 km away
  30. 1.615km S of Half Moon Bay, CA · 2175 days ago · 11 km deep · 61 km away
  31. 1.54km SSE of Brentwood, CA · 2175 days ago · 11 km deep · 46 km away
  32. 1.85km NNE of Black Point-Green Point, CA · 2174 days ago · 4 km deep · 39 km away · felt by 4
  33. 1.76km NNE of Corralitos, CA · 2171 days ago · 8 km deep · 100 km away
  34. 1.615km E of Angwin, CA · 2169 days ago · 5 km deep · 78 km away
  35. 1.515km E of Angwin, CA · 2169 days ago · 6 km deep · 78 km away
  36. 1.616km E of Seven Trees, CA · 2169 days ago · 4 km deep · 81 km away
  37. 3.513km E of Angwin, CA · 2169 days ago · 9 km deep · 78 km away · felt by 73
  38. 2.013km ESE of Angwin, CA · 2169 days ago · 1 km deep · 77 km away
  39. 1.614km E of Angwin, CA · 2169 days ago · 3 km deep · 78 km away
  40. 2.16km SSW of Yountville, CA · 2168 days ago · 8 km deep · 57 km away
  41. 1.68km W of Calistoga, CA · 2167 days ago · 0 km deep · 89 km away
  42. 2.314km E of Angwin, CA · 2167 days ago · 6 km deep · 79 km away · felt by 1
  43. 1.76km SW of Yountville, CA · 2167 days ago · 11 km deep · 57 km away
  44. 1.55km N of Dublin, CA · 2165 days ago · 10 km deep · 29 km away
  45. 1.82km S of Angwin, CA · 2162 days ago · 12 km deep · 80 km away
  46. 1.92km NNE of Bethel Island, CA · 2161 days ago · 12 km deep · 56 km away · felt by 1
  47. 1.513km ESE of Alum Rock, CA · 2155 days ago · 6 km deep · 77 km away
  48. 1.95km NE of Alum Rock, CA · 2153 days ago · 0 km deep · 65 km away · felt by 14
  49. 1.53km NNW of Benicia, CA · 2153 days ago · 5 km deep · 24 km away · felt by 3
  50. 2.04km N of Larkfield-Wikiup, CA · 2150 days ago · 7 km deep · 89 km away
  51. 2.32km ESE of Pleasanton, CA · 2147 days ago · 14 km deep · 40 km away · felt by 3
  52. 2.35km NNE of Windsor, CA · 2147 days ago · 0 km deep · 94 km away · felt by 8
  53. 2.06km NNE of Pittsburg, CA · 2147 days ago · 18 km deep · 41 km away
  54. 2.08km N of Pittsburg, CA · 2147 days ago · 20 km deep · 41 km away
  55. 1.85km NNE of Windsor, CA · 2146 days ago · 7 km deep · 95 km away
  56. 1.510km SSE of Sunol, CA · 2145 days ago · 6 km deep · 51 km away
  57. 2.211km NE of Milpitas, CA · 2140 days ago · 5 km deep · 54 km away
  58. 1.71km WSW of Pleasant Hill, CA · 2140 days ago · 11 km deep · 17 km away · felt by 2

Before

  1. 1.71km SW of Diablo, CA · 2197 days ago · 9 km deep · 24 km away
  2. 1.910km NE of Milpitas, CA · 2197 days ago · 4 km deep · 54 km away
  3. 1.610km NE of Milpitas, CA · 2197 days ago · 5 km deep · 54 km away
  4. 1.810km NE of Milpitas, CA · 2197 days ago · 5 km deep · 54 km away
  5. 2.110km NE of Milpitas, CA · 2197 days ago · 4 km deep · 54 km away
  6. 2.010km NE of Milpitas, CA · 2197 days ago · 4 km deep · 54 km away · felt by 27
  7. 3.510km NE of Milpitas, CA · 2197 days ago · 5 km deep · 54 km away · felt by 1,428
  8. 2.010km NE of Milpitas, CA · 2198 days ago · 4 km deep · 54 km away · felt by 19
  9. 3.410km NE of Milpitas, CA · 2198 days ago · 5 km deep · 55 km away · felt by 1,065
  10. 2.310km NE of Milpitas, CA · 2198 days ago · 5 km deep · 55 km away
  11. 1.522km WSW of Patterson, CA · 2198 days ago · 5 km deep · 96 km away
  12. 2.06km S of Livermore, CA · 2199 days ago · 4 km deep · 49 km away · felt by 1
  13. 2.27km S of Livermore, CA · 2199 days ago · 3 km deep · 49 km away · felt by 26
  14. 2.22km SW of Lexington Hills, CA · 2202 days ago · 12 km deep · 81 km away · felt by 2
  15. 1.56km NW of Pacifica, CA · 2210 days ago · 7 km deep · 34 km away
  16. 2.110km ESE of Livermore, CA · 2210 days ago · 3 km deep · 55 km away · felt by 3
  17. 1.519km SSE of Livermore, CA · 2211 days ago · 3 km deep · 61 km away
  18. 1.518km W of Boulder Creek, CA · 2211 days ago · 8 km deep · 82 km away
  19. 1.63km ENE of Oakland, CA · 2212 days ago · 8 km deep · 7 km away
  20. 2.23km ENE of Walnut Creek, CA · 2216 days ago · 10 km deep · 19 km away · felt by 20

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73464001. Read Sun, Oct 4, 2026, 4:25 PM UTC.