California earthquakes

M2.0 earthquake 2km E of Pacheco, CA

A magnitude 2.0 earthquake struck 2km E of Pacheco, CA on Wed, Dec 16, 2020, 2:24 AM PST (10:24 UTC), 15 km (10 mi) below the surface.

A larger quake followed: M3.6 2km W of Concord, CA. This one was a foreshock.

Concord 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2020-12-16 10:24:50 UTC
Depth
15.4 km (9.6 mi), shallow
Epicenter
37.981° N, 122.048° 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 0.2 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
71°
Stations used
47

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 79 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 2.34km WNW of Dublin, CA · 2117 days ago · 10 km deep · 31 km away · felt by 16
  2. 1.74km WNW of Dublin, CA · 2117 days ago · 10 km deep · 31 km away
  3. 1.74km WNW of Dublin, CA · 2117 days ago · 10 km deep · 31 km away
  4. 2.14km WNW of Dublin, CA · 2117 days ago · 10 km deep · 31 km away · felt by 2
  5. 2.14km ESE of Hayward, CA · 2117 days ago · 7 km deep · 39 km away
  6. 1.60km SE of Rollingwood, CA · 2115 days ago · 5 km deep · 25 km away
  7. 1.77km N of Day Valley, CA · 2114 days ago · 3 km deep · 100 km away · felt by 1
  8. 2.50km SE of Rollingwood, CA · 2114 days ago · 5 km deep · 25 km away · felt by 68
  9. 1.69km NE of Milpitas, CA · 2113 days ago · 8 km deep · 59 km away
  10. 1.63km ESE of Pacheco, CA · 2113 days ago · 16 km deep · 1 km away
  11. 1.82km SE of Pacheco, CA · 2113 days ago · 15 km deep · 1 km away
  12. 1.55km NNE of Windsor, CA · 2111 days ago · 1 km deep · 93 km away
  13. 1.72km E of Berkeley, CA · 2110 days ago · 9 km deep · 22 km away
  14. 1.62km NW of Bay Point, CA · 2110 days ago · 0 km deep · 9 km away · felt by 1
  15. 1.58km ENE of Alum Rock, CA · 2110 days ago · 7 km deep · 71 km away
  16. 1.92km NNE of San Leandro, CA · 2109 days ago · 7 km deep · 28 km away · felt by 1
  17. 2.616km E of Seven Trees, CA · 2109 days ago · 6 km deep · 85 km away · felt by 22
  18. 2.61km WNW of Bay Point, CA · 2108 days ago · 8 km deep · 9 km away · felt by 102
  19. 1.82km S of Los Altos Hills, CA · 2107 days ago · 5 km deep · 70 km away · felt by 5
  20. 2.83km S of Los Altos Hills, CA · 2105 days ago · 6 km deep · 70 km away · felt by 403
  21. 2.12km SSW of Los Altos Hills, CA · 2105 days ago · 5 km deep · 70 km away · felt by 13
  22. 2.014km SE of Livermore, CA · 2104 days ago · 4 km deep · 55 km away · felt by 2
  23. 2.60km E of San Pablo, CA · 2104 days ago · 5 km deep · 26 km away · felt by 271
  24. 3.37km S of Muir Beach, CA · 2104 days ago · 13 km deep · 52 km away · felt by 3,865
  25. 2.19km ENE of Milpitas, CA · 2102 days ago · 6 km deep · 62 km away · felt by 2
  26. 1.810km ESE of Livermore, CA · 2101 days ago · 3 km deep · 50 km away
  27. 2.66km WSW of Glen Ellen, CA · 2099 days ago · 7 km deep · 62 km away · felt by 16
  28. 2.26km WSW of Glen Ellen, CA · 2099 days ago · 7 km deep · 62 km away · felt by 1
  29. 1.53km NNE of Vine Hill, CA · 2098 days ago · 6 km deep · 7 km away · felt by 2
  30. 1.89km ENE of Milpitas, CA · 2098 days ago · 8 km deep · 60 km away
  31. 2.63km WNW of Concord, CA · 2098 days ago · 16 km deep · 1 km away · felt by 84
  32. 1.92km SE of Pacheco, CA · 2098 days ago · 14 km deep · 2 km away · felt by 3
  33. 3.08km NE of Alum Rock, CA · 2097 days ago · 10 km deep · 66 km away · felt by 442
  34. 2.34km ENE of Walnut Creek, CA · 2097 days ago · 10 km deep · 7 km away · felt by 28
  35. 1.916km E of Seven Trees, CA · 2094 days ago · 7 km deep · 84 km away
  36. 1.716km E of Seven Trees, CA · 2094 days ago · 6 km deep · 84 km away
  37. 1.63km ESE of Union City, CA · 2094 days ago · 6 km deep · 44 km away
  38. 2.02km NNW of Kensington, CA · 2091 days ago · 11 km deep · 22 km away · felt by 15
  39. 1.914km E of Yountville, CA · 2091 days ago · 10 km deep · 49 km away · felt by 1
  40. 3.62km W of Concord, CA · 2089 days ago · 15 km deep · 1 km away · felt by 3,784
  41. 2.12km WNW of Concord, CA · 2089 days ago · 13 km deep · 1 km away · felt by 106
  42. 1.73km S of Los Altos Hills, CA · 2089 days ago · 5 km deep · 70 km away
  43. 1.815km NNE of Morgan Hill, CA · 2088 days ago · 8 km deep · 88 km away
  44. 2.22km S of Los Altos Hills, CA · 2086 days ago · 5 km deep · 69 km away · felt by 10
  45. 1.610km ESE of Alum Rock, CA · 2085 days ago · 2 km deep · 77 km away
  46. 2.73km NNW of Santa Rosa, CA · 2085 days ago · 5 km deep · 80 km away · felt by 1,374
  47. 2.37km NW of San Francisco Zoo, CA · 2085 days ago · 5 km deep · 51 km away · felt by 6
  48. 1.87km NW of San Francisco Zoo, CA · 2085 days ago · 6 km deep · 51 km away
  49. 2.18km ENE of Alum Rock, CA · 2084 days ago · 7 km deep · 71 km away
  50. 1.63km ENE of Walnut Creek, CA · 2084 days ago · 10 km deep · 7 km away
  51. 1.86km E of Milpitas, CA · 2084 days ago · 2 km deep · 64 km away
  52. 2.06km WNW of San Francisco Zoo, CA · 2083 days ago · 9 km deep · 52 km away
  53. 1.93km S of Los Altos Hills, CA · 2083 days ago · 6 km deep · 70 km away · felt by 13
  54. 1.66km E of Santa Rosa, CA · 2083 days ago · 9 km deep · 73 km away · felt by 1
  55. 3.01km W of Concord, CA · 2082 days ago · 15 km deep · 2 km away · felt by 728
  56. 2.05km SW of Danville, CA · 2076 days ago · 9 km deep · 21 km away · felt by 1
  57. 1.79km NW of San Francisco Zoo, CA · 2076 days ago · 8 km deep · 51 km away
  58. 1.92km NW of Orinda, CA · 2075 days ago · 8 km deep · 17 km away · felt by 2
  59. 2.57km ENE of Rohnert Park, CA · 2073 days ago · 5 km deep · 66 km away · felt by 18
  60. 1.77km ENE of Rohnert Park, CA · 2073 days ago · 5 km deep · 66 km away

The first 60 of 79.

Before

  1. 1.62km N of El Cerrito, CA · 2120 days ago · 3 km deep · 24 km away · felt by 24
  2. 1.82km N of Knightsen, CA · 2124 days ago · 8 km deep · 34 km away
  3. 1.75km S of Blackhawk, CA · 2127 days ago · 16 km deep · 26 km away
  4. 1.83km ESE of Berkeley, CA · 2128 days ago · 9 km deep · 22 km away
  5. 1.68km ENE of Alum Rock, CA · 2131 days ago · 7 km deep · 70 km away
  6. 1.87km N of Pittsburg, CA · 2136 days ago · 18 km deep · 18 km away
  7. 1.66km W of San Francisco Zoo, CA · 2136 days ago · 10 km deep · 53 km away
  8. 1.63km ESE of Highlands-Baywood Park, CA · 2137 days ago · 4 km deep · 57 km away
  9. 1.71km WSW of Pleasant Hill, CA · 2140 days ago · 11 km deep · 5 km away · felt by 2
  10. 2.211km NE of Milpitas, CA · 2141 days ago · 5 km deep · 57 km away
  11. 1.510km SSE of Sunol, CA · 2146 days ago · 6 km deep · 55 km away
  12. 1.85km NNE of Windsor, CA · 2147 days ago · 7 km deep · 94 km away
  13. 2.08km N of Pittsburg, CA · 2147 days ago · 20 km deep · 20 km away
  14. 2.06km NNE of Pittsburg, CA · 2147 days ago · 18 km deep · 19 km away
  15. 2.35km NNE of Windsor, CA · 2148 days ago · 0 km deep · 94 km away · felt by 8
  16. 2.32km ESE of Pleasanton, CA · 2148 days ago · 14 km deep · 40 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73498700. Read Mon, Oct 5, 2026, 6:33 AM UTC.