California earthquakes

M2.5 earthquake 2 km ENE of Pacheco, California

A magnitude 2.5 earthquake struck 2 km ENE of Pacheco, California on Wed, Dec 12, 1990, 4:11 PM PST (00:11 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.1 2 km E of Lathrop, California. This one was a foreshock.

Pacheco forecastMore in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-12-13 00:11:09 UTC
Depth
15.9 km (9.9 mi), shallow
Epicenter
37.995° N, 122.052° 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
75°
Stations used
57

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 50 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 2.31 km ENE of Alamo, California · 13079 days ago · 7 km deep · 16 km away
  2. 2.010 km ESE of East Foothills, California · 13079 days ago · 7 km deep · 79 km away
  3. 1.51 km E of Alamo, California · 13079 days ago · 7 km deep · 16 km away
  4. 1.71 km E of Alamo, California · 13079 days ago · 6 km deep · 16 km away
  5. 2.71 km ENE of Alamo, California · 13079 days ago · 7 km deep · 16 km away
  6. 1.611 km ESE of East Foothills, California · 13075 days ago · 7 km deep · 80 km away
  7. 1.611 km ESE of East Foothills, California · 13075 days ago · 7 km deep · 80 km away
  8. 1.80 km SE of Larkfield-Wikiup, California · 13072 days ago · 2 km deep · 83 km away
  9. 2.813 km N of Morgan Hill, California · 13071 days ago · 4 km deep · 91 km away
  10. 1.99 km NW of Daly City, California · 13070 days ago · 12 km deep · 52 km away
  11. 2.41 km N of Pleasant Hill, California · 13070 days ago · 9 km deep · 4 km away
  12. 1.613 km N of Morgan Hill, California · 13068 days ago · 3 km deep · 91 km away
  13. 2.76 km E of East Foothills, California · 13068 days ago · 5 km deep · 73 km away
  14. 1.61 km S of Los Altos Hills, California · 13068 days ago · 5 km deep · 70 km away
  15. 1.82 km W of Monte Sereno, California · 13062 days ago · 8 km deep · 85 km away
  16. 2.213 km N of Morgan Hill, California · 13062 days ago · 4 km deep · 90 km away
  17. 1.915 km SSE of Livermore, California · 13061 days ago · 8 km deep · 58 km away
  18. 2.112 km ESE of East Foothills, California · 13061 days ago · 6 km deep · 80 km away
  19. 2.18 km NE of Milpitas, California · 13060 days ago · 8 km deep · 61 km away
  20. 1.53 km ENE of Santa Rosa, California · 13056 days ago · 9 km deep · 75 km away
  21. 1.91 km W of American Canyon, California · 13054 days ago · 3 km deep · 28 km away
  22. 2.16 km E of East Foothills, California · 13053 days ago · 6 km deep · 73 km away
  23. 1.913 km N of Morgan Hill, California · 13050 days ago · 3 km deep · 91 km away
  24. 1.73 km SSW of Saratoga, California · 13050 days ago · 8 km deep · 84 km away
  25. 1.513 km N of Morgan Hill, California · 13048 days ago · 3 km deep · 91 km away
  26. 1.513 km ESE of Hidden Valley Lake, California · 13047 days ago · 5 km deep · 89 km away
  27. 1.57 km ENE of Larkfield-Wikiup, California · 13046 days ago · 23 km deep · 81 km away
  28. 1.96 km SW of Calistoga, California · 13044 days ago · 6 km deep · 78 km away
  29. 2.48 km ENE of Milpitas, California · 13044 days ago · 6 km deep · 63 km away
  30. 1.812 km NNE of Angwin, California · 13042 days ago · 6 km deep · 82 km away
  31. 2.82 km NNE of San Leandro, California · 13042 days ago · 4 km deep · 29 km away
  32. 1.83 km SE of Pittsburg, California · 13041 days ago · 17 km deep · 17 km away
  33. 1.61 km W of Cambrian Park, California · 13041 days ago · 3 km deep · 83 km away
  34. 2.413 km WNW of Rio Vista, California · 13040 days ago · 17 km deep · 32 km away
  35. 2.29 km ESE of East Foothills, California · 13040 days ago · 7 km deep · 78 km away
  36. 1.83 km E of Berkeley, California · 13039 days ago · 10 km deep · 21 km away
  37. 2.36 km W of Glen Ellen, California · 13037 days ago · 2 km deep · 63 km away
  38. 2.46 km W of Glen Ellen, California · 13036 days ago · 3 km deep · 63 km away
  39. 2.120 km ESE of East Foothills, California · 13035 days ago · 5 km deep · 85 km away
  40. 1.58 km W of Calistoga, California · 13033 days ago · 6 km deep · 85 km away
  41. 2.113 km SE of Sunol, California · 13031 days ago · 4 km deep · 59 km away
  42. 1.67 km E of East Foothills, California · 13031 days ago · 8 km deep · 74 km away
  43. 1.98 km N of Day Valley, California · 13028 days ago · 4 km deep · 100 km away
  44. 2.02 km NNE of Pacifica, California · 13027 days ago · 6 km deep · 55 km away
  45. 3.12 km E of Lathrop, California · 13027 days ago · 9 km deep · 74 km away
  46. 3.12 km NW of Manteca, California · 13026 days ago · 8 km deep · 74 km away
  47. 2.02 km W of Orinda, California · 13023 days ago · 7 km deep · 19 km away
  48. 2.2Northern California · 13021 days ago · 8 km deep · 25 km away
  49. 1.61 km SW of San Ramon, California · 13021 days ago · 8 km deep · 25 km away
  50. 2.08 km NNE of East Foothills, California · 13020 days ago · 6 km deep · 65 km away

Before

  1. 1.63 km ESE of Union City, California · 13080 days ago · 3 km deep · 46 km away
  2. 1.86 km WSW of Glen Ellen, California · 13081 days ago · 9 km deep · 60 km away
  3. 1.62 km SSW of Green Valley, California · 13089 days ago · 11 km deep · 28 km away
  4. 2.41 km ENE of Alamo, California · 13090 days ago · 7 km deep · 16 km away
  5. 1.814 km N of Morgan Hill, California · 13090 days ago · 5 km deep · 89 km away
  6. 1.75 km ESE of Seven Trees, California · 13090 days ago · 0 km deep · 85 km away
  7. 1.61 km ENE of Alamo, California · 13091 days ago · 6 km deep · 16 km away
  8. 1.81 km NE of Ashland, California · 13092 days ago · 5 km deep · 33 km away
  9. 1.918 km SSE of Livermore, California · 13092 days ago · 6 km deep · 61 km away
  10. 1.76 km SE of Seven Trees, California · 13092 days ago · 1 km deep · 86 km away
  11. 1.712 km N of Morgan Hill, California · 13094 days ago · 3 km deep · 91 km away
  12. 2.01 km ENE of Alamo, California · 13096 days ago · 7 km deep · 16 km away
  13. 3.211 km NNE of Morgan Hill, California · 13097 days ago · 5 km deep · 93 km away
  14. 2.41 km ENE of Alamo, California · 13097 days ago · 7 km deep · 16 km away
  15. 1.910 km ESE of East Foothills, California · 13098 days ago · 7 km deep · 78 km away
  16. 1.69 km WNW of American Canyon, California · 13099 days ago · 8 km deep · 37 km away
  17. 1.64 km WSW of Kenwood, California · 13102 days ago · 7 km deep · 65 km away
  18. 1.71 km SSE of Saratoga, California · 13102 days ago · 5 km deep · 83 km away
  19. 1.66 km SE of Seven Trees, California · 13102 days ago · 1 km deep · 86 km away
  20. 1.68 km E of Hidden Valley Lake, California · 13104 days ago · 6 km deep · 96 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc202860. Read Sun, Oct 4, 2026, 6:28 AM UTC.