California earthquakes

M1.6 earthquake 3km E of Aromas, CA

A magnitude 1.6 earthquake struck 3km E of Aromas, CA on Wed, Jul 22, 2020, 11:04 AM PDT (18:04 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.5 10km NE of Milpitas, CA. 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2020-07-22 18:04:28 UTC
Depth
1.2 km (0.8 mi), shallow
Epicenter
36.890° N, 121.613° 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, 1.0 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
67°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 103 in the 60 days after this one and 71 in the 30 days before it.

After

  1. 2.210km NE of Milpitas, CA · 2265 days ago · 4 km deep · 70 km away · felt by 1
  2. 1.89km NNE of Milpitas, CA · 2263 days ago · 7 km deep · 71 km away · felt by 1
  3. 2.92km ESE of Aromas, CA · 2263 days ago · 7 km deep · 1 km away · felt by 19
  4. 3.02km SE of Aromas, CA · 2263 days ago · 7 km deep · 2 km away · felt by 88
  5. 2.43km ESE of Aromas, CA · 2262 days ago · 6 km deep · 1 km away · felt by 2
  6. 2.912km SSE of Tres Pinos, CA · 2262 days ago · 5 km deep · 37 km away · felt by 5
  7. 2.611km ENE of Milpitas, CA · 2261 days ago · 9 km deep · 68 km away · felt by 76
  8. 1.711km SE of Tres Pinos, CA · 2261 days ago · 8 km deep · 39 km away
  9. 1.616km SE of Pinnacles, CA · 2261 days ago · 0 km deep · 74 km away
  10. 1.912km SSE of Tres Pinos, CA · 2260 days ago · 7 km deep · 37 km away
  11. 2.011km NW of Pinnacles, CA · 2260 days ago · 8 km deep · 47 km away
  12. 1.720km ENE of Pinnacles, CA · 2259 days ago · 11 km deep · 70 km away
  13. 1.822km NE of San Lucas, CA · 2256 days ago · 8 km deep · 98 km away
  14. 2.04km W of San Juan Bautista, CA · 2255 days ago · 6 km deep · 5 km away · felt by 2
  15. 2.14km ESE of Tres Pinos, CA · 2254 days ago · 10 km deep · 32 km away
  16. 3.08km NE of Alum Rock, CA · 2254 days ago · 9 km deep · 59 km away · felt by 373
  17. 1.617km N of Lopez Point, CA · 2254 days ago · 10 km deep · 80 km away
  18. 1.924km NE of King City, CA · 2253 days ago · 8 km deep · 83 km away
  19. 2.110km SSW of Tres Pinos, CA · 2253 days ago · 4 km deep · 31 km away
  20. 2.17km SSW of Gilroy, CA · 2252 days ago · 5 km deep · 6 km away
  21. 1.811km SE of Pinnacles, CA · 2252 days ago · 5 km deep · 69 km away
  22. 1.511km SE of Pinnacles, CA · 2252 days ago · 1 km deep · 68 km away
  23. 1.63km ESE of Union City, CA · 2252 days ago · 3 km deep · 85 km away
  24. 3.022km W of Bonny Doon, CA · 2250 days ago · 9 km deep · 72 km away · felt by 59
  25. 1.613km S of Tres Pinos, CA · 2248 days ago · 4 km deep · 37 km away
  26. 2.113km S of Tres Pinos, CA · 2248 days ago · 4 km deep · 37 km away
  27. 1.915km E of Seven Trees, CA · 2248 days ago · 6 km deep · 46 km away
  28. 1.99km E of Alum Rock, CA · 2247 days ago · 6 km deep · 54 km away
  29. 2.83km ESE of Aromas, CA · 2246 days ago · 6 km deep · 2 km away · felt by 7
  30. 2.34km ESE of Aromas, CA · 2246 days ago · 6 km deep · 2 km away
  31. 2.03km N of Hollister, CA · 2245 days ago · 9 km deep · 19 km away
  32. 1.96km E of Fremont, CA · 2245 days ago · 6 km deep · 77 km away · felt by 1
  33. 1.76km NNE of Los Banos, CA · 2243 days ago · 5 km deep · 74 km away
  34. 2.219km WNW of Bonny Doon, CA · 2242 days ago · 8 km deep · 70 km away
  35. 1.621km NE of San Lucas, CA · 2242 days ago · 6 km deep · 97 km away
  36. 1.719km SE of Pinnacles, CA · 2242 days ago · 8 km deep · 77 km away
  37. 2.223km WSW of New Idria, CA · 2239 days ago · 7 km deep · 92 km away
  38. 1.64km SSW of Newark, CA · 2239 days ago · 13 km deep · 77 km away
  39. 1.814km N of Point Sur, CA · 2239 days ago · 8 km deep · 58 km away
  40. 3.510km NE of Milpitas, CA · 2239 days ago · 5 km deep · 70 km away · felt by 781
  41. 2.910km NE of Milpitas, CA · 2239 days ago · 5 km deep · 70 km away · felt by 77
  42. 2.110km NE of Milpitas, CA · 2239 days ago · 5 km deep · 70 km away · felt by 2
  43. 2.68km WSW of Saratoga, CA · 2239 days ago · 14 km deep · 58 km away · felt by 47
  44. 1.610km NE of Milpitas, CA · 2239 days ago · 5 km deep · 70 km away
  45. 2.110km NE of Milpitas, CA · 2238 days ago · 4 km deep · 70 km away · felt by 2
  46. 2.14km WSW of Los Altos Hills, CA · 2236 days ago · 9 km deep · 73 km away
  47. 2.610km SE of Pinnacles, CA · 2236 days ago · 7 km deep · 68 km away · felt by 1
  48. 1.612km SE of Pinnacles, CA · 2236 days ago · 6 km deep · 70 km away
  49. 1.68km NE of Alum Rock, CA · 2235 days ago · 5 km deep · 59 km away
  50. 1.69km NNE of Gonzales, CA · 2231 days ago · 1 km deep · 38 km away
  51. 1.87km SSW of Gonzales, CA · 2231 days ago · 8 km deep · 51 km away
  52. 1.79km SSE of San Juan Bautista, CA · 2231 days ago · 5 km deep · 17 km away
  53. 1.819km WNW of Bonny Doon, CA · 2230 days ago · 11 km deep · 70 km away
  54. 2.024km WSW of Los Banos, CA · 2230 days ago · 1 km deep · 46 km away
  55. 1.79km NE of San Martin, CA · 2229 days ago · 6 km deep · 28 km away
  56. 2.52km ENE of Aromas, CA · 2229 days ago · 5 km deep · 1 km away · felt by 23
  57. 2.32km NE of Pinnacles, CA · 2229 days ago · 3 km deep · 58 km away
  58. 2.316km SSE of Tres Pinos, CA · 2229 days ago · 3 km deep · 40 km away · felt by 2
  59. 1.79km SSW of Carmel By The Sea, CA · 2229 days ago · 9 km deep · 55 km away
  60. 2.04km ESE of Aromas, CA · 2229 days ago · 6 km deep · 2 km away

The first 60 of 103.

Before

  1. 2.813km S of Tres Pinos, CA · 2265 days ago · 6 km deep · 36 km away · felt by 2
  2. 2.412km S of Tres Pinos, CA · 2265 days ago · 4 km deep · 35 km away
  3. 2.112km S of Tres Pinos, CA · 2265 days ago · 3 km deep · 36 km away
  4. 3.312km S of Tres Pinos, CA · 2265 days ago · 5 km deep · 36 km away · felt by 71
  5. 2.312km S of Tres Pinos, CA · 2266 days ago · 4 km deep · 35 km away
  6. 1.510km ESE of Pinnacles, CA · 2268 days ago · 7 km deep · 67 km away
  7. 1.829km ENE of Pinnacles, CA · 2268 days ago · 7 km deep · 70 km away
  8. 2.26km E of Alum Rock, CA · 2268 days ago · 2 km deep · 55 km away · felt by 10
  9. 1.514km S of Tres Pinos, CA · 2269 days ago · 8 km deep · 38 km away
  10. 2.04km S of San Juan Bautista, CA · 2269 days ago · 5 km deep · 11 km away · felt by 1
  11. 1.911km ENE of Pinnacles, CA · 2271 days ago · 8 km deep · 62 km away
  12. 2.412km SSE of Tres Pinos, CA · 2271 days ago · 7 km deep · 37 km away · felt by 2
  13. 1.65km SSW of Gilroy, CA · 2271 days ago · 4 km deep · 8 km away
  14. 2.423km SE of Pinnacles, CA · 2271 days ago · 10 km deep · 81 km away · felt by 1
  15. 1.615km E of Seven Trees, CA · 2272 days ago · 2 km deep · 45 km away
  16. 2.33km N of Pinnacles, CA · 2272 days ago · 6 km deep · 55 km away · felt by 1
  17. 1.83km N of Pinnacles, CA · 2272 days ago · 6 km deep · 56 km away
  18. 1.616km NW of New Idria, CA · 2272 days ago · 10 km deep · 83 km away
  19. 2.814km SSE of Tres Pinos, CA · 2273 days ago · 2 km deep · 38 km away · felt by 5
  20. 2.03km W of Portola Valley, CA · 2274 days ago · 10 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73430161. Read Sun, Oct 4, 2026, 2:42 PM UTC.