California earthquakes

M2.1 earthquake 4 km NNW of Aromas, California

A magnitude 2.1 earthquake struck 4 km NNW of Aromas, California on Tue, Oct 24, 1989, 3:42 AM PDT (10:42 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.7 6 km NE of Day Valley, California. This one was a foreshock.

Aromas 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-10-24 10:42:25 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
36.920° N, 121.665° 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
±0.14
Depth from
From location
Station coverage gap
72°
Stations used
71

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 199 in the 30 days before it.

After

  1. 2.14 km N of Interlaken, California · 13492 days ago · 12 km deep · 9 km away
  2. 2.14 km E of Day Valley, California · 13492 days ago · 4 km deep · 19 km away
  3. 1.65 km ENE of Zayante, California · 13492 days ago · 19 km deep · 36 km away
  4. 2.36 km NW of Day Valley, California · 13492 days ago · 13 km deep · 28 km away
  5. 1.63 km NNW of Day Valley, California · 13492 days ago · 13 km deep · 25 km away
  6. 1.93 km NE of Day Valley, California · 13492 days ago · 3 km deep · 21 km away
  7. 1.97 km N of Day Valley, California · 13492 days ago · 5 km deep · 26 km away
  8. 1.54 km ESE of Interlaken, California · 13492 days ago · 10 km deep · 3 km away
  9. 1.8Central California · 13492 days ago · 2 km deep · 21 km away
  10. 1.56 km NNE of Corralitos, California · 13492 days ago · 7 km deep · 17 km away
  11. 1.84 km E of Interlaken, California · 13492 days ago · 9 km deep · 4 km away
  12. 2.14 km ESE of Interlaken, California · 13492 days ago · 12 km deep · 2 km away
  13. 1.92 km SSW of Lexington Hills, California · 13492 days ago · 13 km deep · 38 km away
  14. 1.60 km SSW of Lexington Hills, California · 13492 days ago · 21 km deep · 38 km away
  15. 2.74 km E of Interlaken, California · 13492 days ago · 6 km deep · 5 km away
  16. 2.54 km NNW of Aromas, California · 13492 days ago · 7 km deep · 1 km away
  17. 1.9Central California · 13492 days ago · 4 km deep · 54 km away
  18. 2.42 km S of San Juan Bautista, California · 13492 days ago · 4 km deep · 15 km away
  19. 1.6Northern California · 13492 days ago · 12 km deep · 39 km away
  20. 2.016 km SSE of Pescadero, California · 13492 days ago · 8 km deep · 64 km away
  21. 1.63 km NE of Amesti, California · 13492 days ago · 14 km deep · 11 km away
  22. 2.63 km NE of Lexington Hills, California · 13492 days ago · 5 km deep · 39 km away
  23. 1.84 km NNW of Aromas, California · 13492 days ago · 8 km deep · 1 km away
  24. 2.42 km NE of Lexington Hills, California · 13492 days ago · 5 km deep · 39 km away
  25. 1.85 km N of Lompico, California · 13492 days ago · 14 km deep · 44 km away
  26. 1.74 km ESE of Interlaken, California · 13492 days ago · 12 km deep · 3 km away
  27. 4.77 km NE of Day Valley, California · 13492 days ago · 9 km deep · 23 km away
  28. 1.81 km SW of Fruitdale, California · 13492 days ago · 25 km deep · 49 km away
  29. 1.93 km SW of La Selva Beach, California · 13492 days ago · 3 km deep · 21 km away
  30. 2.26 km NE of Day Valley, California · 13492 days ago · 9 km deep · 23 km away
  31. 2.46 km NE of Day Valley, California · 13492 days ago · 10 km deep · 23 km away
  32. 2.010 km SE of Loma Mar, California · 13492 days ago · 18 km deep · 59 km away
  33. 1.97 km NNE of Day Valley, California · 13492 days ago · 8 km deep · 24 km away
  34. 1.54 km N of Lompico, California · 13492 days ago · 13 km deep · 43 km away
  35. 1.85 km WNW of Lexington Hills, California · 13492 days ago · 12 km deep · 43 km away
  36. 2.56 km NE of Day Valley, California · 13492 days ago · 9 km deep · 22 km away
  37. 2.46 km SSE of Lexington Hills, California · 13492 days ago · 11 km deep · 33 km away
  38. 1.50 km N of Aptos Hills-Larkin Valley, California · 13492 days ago · 6 km deep · 16 km away
  39. 1.67 km NNE of Day Valley, California · 13492 days ago · 8 km deep · 24 km away
  40. 1.76 km NE of Day Valley, California · 13491 days ago · 8 km deep · 22 km away
  41. 3.06 km NNE of Day Valley, California · 13491 days ago · 10 km deep · 23 km away
  42. 2.07 km ENE of Day Valley, California · 13491 days ago · 7 km deep · 19 km away
  43. 1.68 km N of Day Valley, California · 13491 days ago · 3 km deep · 28 km away
  44. 2.06 km NE of Day Valley, California · 13491 days ago · 9 km deep · 22 km away
  45. 2.44 km E of Interlaken, California · 13491 days ago · 6 km deep · 5 km away
  46. 2.06 km NE of Day Valley, California · 13491 days ago · 9 km deep · 23 km away
  47. 1.64 km E of Interlaken, California · 13491 days ago · 10 km deep · 3 km away
  48. 1.97 km ENE of Interlaken, California · 13491 days ago · 3 km deep · 8 km away
  49. 1.71 km NE of Interlaken, California · 13491 days ago · 14 km deep · 7 km away
  50. 1.86 km NE of Day Valley, California · 13491 days ago · 9 km deep · 21 km away
  51. 1.51 km W of Lexington Hills, California · 13491 days ago · 9 km deep · 40 km away
  52. 1.65 km ENE of Day Valley, California · 13491 days ago · 2 km deep · 20 km away
  53. 1.77 km ENE of Interlaken, California · 13491 days ago · 4 km deep · 6 km away
  54. 1.65 km E of Day Valley, California · 13491 days ago · 4 km deep · 18 km away
  55. 1.76 km NNE of Day Valley, California · 13491 days ago · 5 km deep · 25 km away
  56. 2.17 km NNE of Day Valley, California · 13491 days ago · 3 km deep · 24 km away
  57. 1.85 km ENE of Corralitos, California · 13491 days ago · 9 km deep · 13 km away
  58. 2.34 km NE of Amesti, California · 13491 days ago · 12 km deep · 12 km away
  59. 4.01 km NNE of Aromas, California · 13491 days ago · 6 km deep · 4 km away
  60. 1.533 km ESE of Tres Pinos, California · 13491 days ago · 0 km deep · 68 km away

The first 60 of 198.

Before

  1. 2.57 km SW of Gilroy, California · 13492 days ago · 4 km deep · 6 km away
  2. 2.49 km N of Day Valley, California · 13492 days ago · 2 km deep · 27 km away
  3. 1.72 km NNE of Lexington Hills, California · 13492 days ago · 5 km deep · 39 km away
  4. 1.8Northern California · 13492 days ago · 8 km deep · 40 km away
  5. 1.52 km NNE of Soquel, California · 13492 days ago · 3 km deep · 27 km away
  6. 2.63 km NE of Lexington Hills, California · 13492 days ago · 6 km deep · 39 km away
  7. 1.88 km N of Day Valley, California · 13492 days ago · 3 km deep · 27 km away
  8. 1.65 km E of Interlaken, California · 13492 days ago · 7 km deep · 3 km away
  9. 3.03 km NE of Lexington Hills, California · 13492 days ago · 6 km deep · 39 km away
  10. 1.72 km E of Corralitos, California · 13492 days ago · 15 km deep · 13 km away
  11. 3.25 km ENE of Day Valley, California · 13493 days ago · 4 km deep · 20 km away
  12. 1.81 km S of Lexington Hills, California · 13493 days ago · 8 km deep · 37 km away
  13. 2.12 km SSW of Lexington Hills, California · 13493 days ago · 13 km deep · 38 km away
  14. 1.96 km W of Lexington Hills, California · 13493 days ago · 15 km deep · 44 km away
  15. 1.64 km NE of Amesti, California · 13493 days ago · 14 km deep · 10 km away
  16. 1.82 km SE of Day Valley, California · 13493 days ago · 18 km deep · 20 km away
  17. 1.52 km ENE of Corralitos, California · 13493 days ago · 15 km deep · 13 km away
  18. 1.72 km NE of Corralitos, California · 13493 days ago · 15 km deep · 14 km away
  19. 1.68 km ESE of Lexington Hills, California · 13493 days ago · 3 km deep · 30 km away
  20. 1.54 km W of Hollister, California · 13493 days ago · 4 km deep · 20 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc217362. Read Fri, Oct 2, 2026, 4:54 PM UTC.