California earthquakes

M2.3 earthquake 4 km NNW of Pacifica, California

A magnitude 2.3 earthquake struck 4 km NNW of Pacifica, California on Wed, Jan 18, 1989, 12:36 PM PST (20:36 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.6 Northern California. This one was a foreshock.

Pacifica 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-01-18 20:36:40 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
37.649° N, 122.498° 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
±0.19
Depth from
From location
Station coverage gap
110°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 101 in the 60 days after this one and 30 in the 30 days before it.

After

  1. 1.98 km NNE of East Foothills, California · 13770 days ago · 9 km deep · 67 km away
  2. 1.76 km NW of Broadmoor, California · 13770 days ago · 7 km deep · 9 km away
  3. 1.918 km NE of East Foothills, California · 13770 days ago · 6 km deep · 73 km away
  4. 1.87 km ESE of Roseland, California · 13769 days ago · 9 km deep · 84 km away
  5. 1.76 km NNE of East Foothills, California · 13769 days ago · 6 km deep · 67 km away
  6. 2.215 km SSE of Livermore, California · 13768 days ago · 7 km deep · 73 km away
  7. 1.515 km SSE of Livermore, California · 13767 days ago · 6 km deep · 72 km away
  8. 1.82 km NE of Union City, California · 13766 days ago · 7 km deep · 44 km away
  9. 1.92 km SE of Bolinas, California · 13765 days ago · 7 km deep · 31 km away
  10. 2.13 km SSW of Muir Beach, California · 13761 days ago · 2 km deep · 23 km away
  11. 1.70 km NNW of Pleasant Hill, California · 13761 days ago · 9 km deep · 51 km away
  12. 2.26 km NE of East Foothills, California · 13760 days ago · 11 km deep · 70 km away
  13. 1.62 km N of Alamo, California · 13758 days ago · 5 km deep · 48 km away
  14. 2.39 km N of East Foothills, California · 13757 days ago · 3 km deep · 65 km away
  15. 2.28 km NNE of East Foothills, California · 13756 days ago · 9 km deep · 68 km away
  16. 2.3Northern California · 13756 days ago · 2 km deep · 22 km away
  17. 2.01 km SSE of Bolinas, California · 13755 days ago · 7 km deep · 32 km away
  18. 2.44 km NNW of Green Valley, California · 13753 days ago · 12 km deep · 76 km away
  19. 1.59 km ESE of Seven Trees, California · 13753 days ago · 5 km deep · 80 km away
  20. 2.518 km NE of East Foothills, California · 13753 days ago · 6 km deep · 73 km away
  21. 2.57 km E of East Foothills, California · 13751 days ago · 9 km deep · 73 km away
  22. 2.08 km SSW of Calistoga, California · 13750 days ago · 7 km deep · 96 km away
  23. 2.89 km NNE of East Foothills, California · 13749 days ago · 9 km deep · 68 km away
  24. 1.56 km ENE of East Foothills, California · 13748 days ago · 8 km deep · 72 km away
  25. 1.67 km E of East Foothills, California · 13748 days ago · 9 km deep · 73 km away
  26. 3.14 km SSW of Muir Beach, California · 13747 days ago · 2 km deep · 22 km away
  27. 3.34 km SSW of Muir Beach, California · 13747 days ago · 3 km deep · 22 km away
  28. 3.04 km SSW of Muir Beach, California · 13747 days ago · 2 km deep · 22 km away
  29. 1.84 km SSW of Muir Beach, California · 13747 days ago · 2 km deep · 22 km away
  30. 2.43 km SSW of Muir Beach, California · 13747 days ago · 3 km deep · 22 km away
  31. 2.2Northern California · 13747 days ago · 7 km deep · 72 km away
  32. 1.72 km S of Muir Beach, California · 13746 days ago · 0 km deep · 22 km away
  33. 1.614 km E of Seven Trees, California · 13746 days ago · 2 km deep · 83 km away
  34. 2.23 km SSW of Muir Beach, California · 13746 days ago · 0 km deep · 22 km away
  35. 3.03 km SSW of Muir Beach, California · 13746 days ago · 2 km deep · 22 km away
  36. 1.71 km S of Muir Beach, California · 13746 days ago · 2 km deep · 23 km away
  37. 1.92 km SSW of Muir Beach, California · 13746 days ago · 2 km deep · 23 km away
  38. 3.02 km NNE of San Leandro, California · 13746 days ago · 4 km deep · 33 km away
  39. 3.6Northern California · 13746 days ago · 2 km deep · 23 km away
  40. 1.71 km E of Walnut Creek, California · 13746 days ago · 9 km deep · 49 km away
  41. 2.43 km SSW of Muir Beach, California · 13746 days ago · 0 km deep · 22 km away
  42. 1.64 km SSW of San Ramon, California · 13746 days ago · 8 km deep · 46 km away
  43. 1.515 km E of Seven Trees, California · 13746 days ago · 6 km deep · 85 km away
  44. 3.04 km SSW of Muir Beach, California · 13745 days ago · 3 km deep · 22 km away
  45. 1.83 km S of Muir Beach, California · 13745 days ago · 2 km deep · 22 km away
  46. 2.04 km SSW of Muir Beach, California · 13745 days ago · 2 km deep · 21 km away
  47. 1.62 km SSW of Muir Beach, California · 13745 days ago · 1 km deep · 23 km away
  48. 2.63 km SSW of Muir Beach, California · 13745 days ago · 3 km deep · 22 km away
  49. 1.63 km SSW of Muir Beach, California · 13745 days ago · 3 km deep · 22 km away
  50. 2.113 km N of Morgan Hill, California · 13745 days ago · 4 km deep · 88 km away
  51. 2.23 km SSW of Muir Beach, California · 13745 days ago · 3 km deep · 22 km away
  52. 1.717 km W of Pescadero, California · 13744 days ago · 28 km deep · 48 km away
  53. 2.13 km SSW of Muir Beach, California · 13744 days ago · 3 km deep · 22 km away
  54. 2.23 km SSW of Muir Beach, California · 13744 days ago · 2 km deep · 22 km away
  55. 2.04 km S of San Ramon, California · 13744 days ago · 8 km deep · 47 km away
  56. 2.24 km SSW of Muir Beach, California · 13744 days ago · 3 km deep · 22 km away
  57. 2.03 km S of San Ramon, California · 13742 days ago · 9 km deep · 47 km away
  58. 2.48 km NW of Moskowite Corner, California · 13742 days ago · 0 km deep · 96 km away
  59. 1.78 km NNE of East Foothills, California · 13741 days ago · 8 km deep · 68 km away
  60. 2.62 km N of Pacifica, California · 13741 days ago · 8 km deep · 2 km away

The first 60 of 101.

Before

  1. 1.611 km SW of Brentwood, California · 13772 days ago · 15 km deep · 67 km away
  2. 2.35 km S of Muir Beach, California · 13772 days ago · 12 km deep · 20 km away
  3. 2.516 km SSE of Livermore, California · 13773 days ago · 3 km deep · 73 km away
  4. 1.87 km E of East Foothills, California · 13773 days ago · 7 km deep · 73 km away
  5. 2.74 km S of San Ramon, California · 13774 days ago · 9 km deep · 46 km away
  6. 2.54 km S of San Ramon, California · 13774 days ago · 9 km deep · 46 km away
  7. 3.26 km ENE of East Foothills, California · 13775 days ago · 8 km deep · 70 km away
  8. 1.56 km SW of Danville, California · 13776 days ago · 11 km deep · 42 km away
  9. 1.66 km SW of Danville, California · 13776 days ago · 11 km deep · 42 km away
  10. 2.410 km NNE of East Foothills, California · 13776 days ago · 7 km deep · 65 km away
  11. 1.67 km E of East Foothills, California · 13777 days ago · 7 km deep · 73 km away
  12. 2.14 km S of San Ramon, California · 13777 days ago · 8 km deep · 46 km away
  13. 2.48 km NNE of East Foothills, California · 13777 days ago · 7 km deep · 67 km away
  14. 2.54 km S of San Ramon, California · 13778 days ago · 9 km deep · 46 km away
  15. 1.66 km WSW of Kenwood, California · 13778 days ago · 7 km deep · 84 km away
  16. 2.65 km SW of Danville, California · 13779 days ago · 12 km deep · 42 km away
  17. 1.515 km N of Morgan Hill, California · 13780 days ago · 6 km deep · 85 km away
  18. 1.96 km SW of Danville, California · 13780 days ago · 11 km deep · 42 km away
  19. 2.518 km NE of East Foothills, California · 13782 days ago · 9 km deep · 73 km away
  20. 1.615 km SSE of Livermore, California · 13782 days ago · 8 km deep · 73 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc130117. Read Sat, Oct 3, 2026, 9:43 AM UTC.