California earthquakes

M2.6 earthquake 2 km N of Pacifica, California

A magnitude 2.6 earthquake struck 2 km N of Pacifica, California on Sat, Feb 18, 1989, 11:11 AM PST (19:11 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.5 6 km NE of East Foothills, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-02-18 19:11:43 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
37.635° N, 122.486° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
108°
Stations used
54

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 81 in the 60 days after this one and 59 in the 30 days before it.

After

  1. 1.61 km NE of East Richmond Heights, California · 13740 days ago · 9 km deep · 39 km away
  2. 1.67 km ESE of East Foothills, California · 13740 days ago · 2 km deep · 73 km away
  3. 2.413 km ESE of Alum Rock, California · 13739 days ago · 7 km deep · 79 km away
  4. 2.23 km SSW of Muir Beach, California · 13738 days ago · 3 km deep · 24 km away
  5. 1.61 km SE of Muir Beach, California · 13738 days ago · 1 km deep · 25 km away
  6. 1.72 km E of Alameda, California · 13738 days ago · 5 km deep · 27 km away
  7. 1.915 km E of Seven Trees, California · 13737 days ago · 6 km deep · 82 km away
  8. 1.90 km S of Pacheco, California · 13734 days ago · 18 km deep · 52 km away
  9. 1.87 km E of East Foothills, California · 13734 days ago · 8 km deep · 72 km away
  10. 2.82 km NE of Union City, California · 13734 days ago · 8 km deep · 43 km away
  11. 1.613 km N of Morgan Hill, California · 13733 days ago · 3 km deep · 86 km away
  12. 1.56 km NE of Morgan Hill, California · 13732 days ago · 3 km deep · 93 km away
  13. 2.38 km NE of Morgan Hill, California · 13732 days ago · 1 km deep · 94 km away
  14. 2.012 km ESE of Suisun, California · 13731 days ago · 5 km deep · 82 km away
  15. 2.21 km SE of Muir Beach, California · 13730 days ago · 1 km deep · 26 km away
  16. 1.71 km ESE of Larkfield-Wikiup, California · 13729 days ago · 4 km deep · 100 km away
  17. 1.89 km NNE of East Foothills, California · 13729 days ago · 9 km deep · 66 km away
  18. 1.77 km E of East Foothills, California · 13728 days ago · 6 km deep · 72 km away
  19. 1.61 km SSW of Los Altos Hills, California · 13728 days ago · 4 km deep · 42 km away
  20. 2.84 km SSW of Muir Beach, California · 13728 days ago · 3 km deep · 23 km away
  21. 2.81 km S of Blackhawk, California · 13727 days ago · 8 km deep · 54 km away
  22. 2.11 km SSW of Blackhawk, California · 13727 days ago · 8 km deep · 54 km away
  23. 2.710 km ESE of East Foothills, California · 13727 days ago · 7 km deep · 76 km away
  24. 2.010 km ESE of East Foothills, California · 13727 days ago · 7 km deep · 76 km away
  25. 1.81 km SSE of Concord, California · 13727 days ago · 11 km deep · 55 km away
  26. 2.01 km WNW of Danville, California · 13725 days ago · 8 km deep · 46 km away
  27. 2.715 km E of Seven Trees, California · 13724 days ago · 3 km deep · 82 km away
  28. 1.615 km E of Seven Trees, California · 13723 days ago · 6 km deep · 83 km away
  29. 3.414 km N of Morgan Hill, California · 13722 days ago · 7 km deep · 85 km away
  30. 1.815 km E of Seven Trees, California · 13719 days ago · 3 km deep · 83 km away
  31. 1.94 km WSW of Oakville, California · 13719 days ago · 4 km deep · 87 km away
  32. 1.711 km SW of Brentwood, California · 13719 days ago · 13 km deep · 66 km away
  33. 1.74 km NNE of Pittsburg, California · 13718 days ago · 15 km deep · 72 km away
  34. 2.311 km E of Blackhawk, California · 13718 days ago · 14 km deep · 66 km away
  35. 2.45 km W of Broadmoor, California · 13718 days ago · 7 km deep · 7 km away
  36. 1.616 km NW of Diablo Grande, California · 13717 days ago · 4 km deep · 95 km away
  37. 1.74 km WSW of Oakville, California · 13716 days ago · 3 km deep · 87 km away
  38. 1.69 km E of East Foothills, California · 13714 days ago · 6 km deep · 73 km away
  39. 2.313 km ESE of Alum Rock, California · 13712 days ago · 7 km deep · 79 km away
  40. 1.813 km ESE of Alum Rock, California · 13712 days ago · 7 km deep · 79 km away
  41. 1.718 km NE of East Foothills, California · 13712 days ago · 11 km deep · 76 km away
  42. 1.63 km ESE of Livermore, California · 13711 days ago · 4 km deep · 66 km away
  43. 2.114 km N of Morgan Hill, California · 13710 days ago · 6 km deep · 85 km away
  44. 1.910 km ESE of East Foothills, California · 13709 days ago · 7 km deep · 76 km away
  45. 2.216 km SSE of Livermore, California · 13709 days ago · 7 km deep · 72 km away
  46. 2.316 km SSE of Livermore, California · 13709 days ago · 7 km deep · 72 km away
  47. 1.612 km E of Blackhawk, California · 13707 days ago · 6 km deep · 66 km away
  48. 1.916 km SSE of Livermore, California · 13706 days ago · 7 km deep · 72 km away
  49. 2.40 km W of Concord, California · 13706 days ago · 15 km deep · 55 km away
  50. 1.81 km NW of Concord, California · 13706 days ago · 16 km deep · 55 km away
  51. 1.916 km N of Morgan Hill, California · 13704 days ago · 5 km deep · 83 km away
  52. 1.62 km S of Los Altos Hills, California · 13704 days ago · 5 km deep · 44 km away
  53. 1.52 km NE of North Gate, California · 13703 days ago · 18 km deep · 55 km away
  54. 1.916 km SSE of Livermore, California · 13703 days ago · 7 km deep · 72 km away
  55. 1.53 km NE of East Foothills, California · 13702 days ago · 2 km deep · 66 km away
  56. 1.53 km NNE of East Foothills, California · 13702 days ago · 2 km deep · 65 km away
  57. 2.61 km NNW of Concord, California · 13701 days ago · 17 km deep · 56 km away
  58. 1.910 km S of Davenport, California · 13700 days ago · 7 km deep · 85 km away
  59. 2.36 km ESE of Sunol, California · 13699 days ago · 10 km deep · 59 km away
  60. 1.84 km ESE of Pleasanton, California · 13699 days ago · 11 km deep · 58 km away

The first 60 of 81.

Before

  1. 1.78 km NNE of East Foothills, California · 13741 days ago · 8 km deep · 66 km away
  2. 2.48 km NW of Moskowite Corner, California · 13742 days ago · 0 km deep · 97 km away
  3. 2.03 km S of San Ramon, California · 13742 days ago · 9 km deep · 46 km away
  4. 2.24 km SSW of Muir Beach, California · 13744 days ago · 3 km deep · 24 km away
  5. 2.04 km S of San Ramon, California · 13744 days ago · 8 km deep · 46 km away
  6. 2.23 km SSW of Muir Beach, California · 13744 days ago · 2 km deep · 24 km away
  7. 2.13 km SSW of Muir Beach, California · 13744 days ago · 3 km deep · 24 km away
  8. 1.717 km W of Pescadero, California · 13744 days ago · 28 km deep · 46 km away
  9. 2.23 km SSW of Muir Beach, California · 13745 days ago · 3 km deep · 23 km away
  10. 2.113 km N of Morgan Hill, California · 13745 days ago · 4 km deep · 86 km away
  11. 1.63 km SSW of Muir Beach, California · 13745 days ago · 3 km deep · 24 km away
  12. 2.63 km SSW of Muir Beach, California · 13745 days ago · 3 km deep · 24 km away
  13. 1.62 km SSW of Muir Beach, California · 13745 days ago · 1 km deep · 25 km away
  14. 2.04 km SSW of Muir Beach, California · 13745 days ago · 2 km deep · 23 km away
  15. 1.83 km S of Muir Beach, California · 13745 days ago · 2 km deep · 24 km away
  16. 3.04 km SSW of Muir Beach, California · 13745 days ago · 3 km deep · 23 km away
  17. 1.515 km E of Seven Trees, California · 13746 days ago · 6 km deep · 83 km away
  18. 1.64 km SSW of San Ramon, California · 13746 days ago · 8 km deep · 45 km away
  19. 2.43 km SSW of Muir Beach, California · 13746 days ago · 0 km deep · 24 km away
  20. 1.71 km E of Walnut Creek, California · 13746 days ago · 9 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc131706. Read Sat, Oct 3, 2026, 10:55 AM UTC.