M1.6 earthquake 4km ESE of Fremont, CA

Magnitude

1.6 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, May 18, 2020, 1:05 AM PDT

UTC

2020-05-18 08:05:47 UTC

Depth

5.7 km (3.5 mi), shallow

Epicenter

37.527° N, 121.944° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.1 km horizontally, 0.2 km in depth

Magnitude uncertainty

±0.23

Depth from

From location

Station coverage gap

41°

Stations used

48

• Fremont, CaliforniaPopulation 232,206. Forecast5 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast510 kmNW

After

1. 1.92km NE of Danville, CAMon, May 18, 7:24 AM PDT · 2331 days ago · 7 km deep · 34 km away
2. 1.728km SW of Gustine, CAMon, May 18, 10:42 PM PDT · 2330 days ago · 2 km deep · 76 km away
3. 1.811km NNW of Pittsburg, CAThu, May 21, 5:05 PM PDT · 2327 days ago · 19 km deep · 67 km away
4. 1.810km E of Alum Rock, CAFri, May 22, 3:47 PM PDT · 2326 days ago · 9 km deep · 28 km away
5. 1.610km E of Alum Rock, CAFri, May 22, 3:49 PM PDT · 2326 days ago · 9 km deep · 28 km away
6. 1.911km E of Alum Rock, CAFri, May 22, 4:48 PM PDT · 2326 days ago · 8 km deep · 29 km away
7. 2.011km E of Alum Rock, CAFri, May 22, 4:50 PM PDT · 2326 days ago · 8 km deep · 29 km away
8. 2.311km E of Alum Rock, CAFri, May 22, 5:14 PM PDT · 2326 days ago · 8 km deep · 29 km away
9. 2.211km ESE of Alum Rock, CAFri, May 22, 5:22 PM PDT · 2326 days ago · 8 km deep · 29 km away
10. 2.411km ESE of Alum Rock, CAFri, May 22, 5:36 PM PDT · 2326 days ago · 8 km deep · 29 km away
11. 2.311km ESE of Alum Rock, CAFri, May 22, 5:37 PM PDT · 2326 days ago · 8 km deep · 29 km away
12. 1.511km ESE of Alum Rock, CAFri, May 22, 5:40 PM PDT · 2326 days ago · 9 km deep · 30 km away
13. 2.311km E of Alum Rock, CAFri, May 22, 7:18 PM PDT · 2326 days ago · 8 km deep · 29 km away · felt by 1
14. 1.711km E of Alum Rock, CAFri, May 22, 7:28 PM PDT · 2326 days ago · 8 km deep · 29 km away
15. 1.91km S of San Ramon, CASat, May 23, 4:26 AM PDT · 2326 days ago · 9 km deep · 27 km away · felt by 5
16. 2.213km ESE of Seven Trees, CASat, May 23, 8:04 PM PDT · 2325 days ago · 6 km deep · 37 km away
17. 1.85km W of San Francisco Zoo, CASun, May 24, 1:02 PM PDT · 2324 days ago · 8 km deep · 60 km away
18. 3.15km NE of Tres Pinos, CAMon, May 25, 8:27 AM PDT · 2324 days ago · 9 km deep · 97 km away · felt by 117
19. 1.74km SSW of San Juan Bautista, CAMon, May 25, 9:55 AM PDT · 2323 days ago · 6 km deep · 86 km away
20. 1.51km SSE of San Ramon, CAMon, May 25, 3:44 PM PDT · 2323 days ago · 8 km deep · 27 km away
21. 2.312km ESE of Suisun City, CATue, May 26, 5:54 AM PDT · 2323 days ago · 25 km deep · 74 km away
22. 1.98km SSE of Gilroy, CATue, May 26, 6:21 AM PDT · 2323 days ago · 7 km deep · 75 km away
23. 3.22km E of Aromas, CAWed, May 27, 10:02 AM PDT · 2321 days ago · 7 km deep · 77 km away · felt by 125
24. 2.12km E of Aromas, CAWed, May 27, 10:03 AM PDT · 2321 days ago · 6 km deep · 77 km away
25. 2.22km E of Aromas, CAWed, May 27, 11:09 PM PDT · 2321 days ago · 7 km deep · 77 km away
26. 2.01km W of Pleasant Hill, CAThu, May 28, 9:34 AM PDT · 2320 days ago · 11 km deep · 48 km away
27. 2.35km W of San Juan Bautista, CAFri, May 29, 4:22 AM PDT · 2320 days ago · 7 km deep · 81 km away
28. 2.55km WNW of San Juan Bautista, CASat, May 30, 6:18 AM PDT · 2319 days ago · 7 km deep · 81 km away · felt by 7
29. 2.06km S of San Juan Bautista, CASat, May 30, 11:14 PM PDT · 2318 days ago · 7 km deep · 89 km away
30. 1.71km S of Kensington, CASun, May 31, 12:42 AM PDT · 2318 days ago · 5 km deep · 51 km away · felt by 33
31. 1.812km WNW of Boulder Creek, CASun, May 31, 1:23 AM PDT · 2318 days ago · 11 km deep · 48 km away
32. 2.52km E of Aromas, CASun, May 31, 11:45 AM PDT · 2317 days ago · 7 km deep · 76 km away · felt by 12
33. 1.91km WSW of Pittsburg, CASun, May 31, 6:32 PM PDT · 2317 days ago · 19 km deep · 56 km away
34. 2.25km SSE of Newark, CAWed, Jun 3, 9:03 PM PDT · 2314 days ago · 8 km deep · 7 km away · felt by 7
35. 2.05km S of San Juan Bautista, CAThu, Jun 4, 8:10 PM PDT · 2313 days ago · 7 km deep · 88 km away
36. 2.31km ESE of Aromas, CAThu, Jun 4, 8:34 PM PDT · 2313 days ago · 9 km deep · 77 km away
37. 3.26km E of Interlaken, CAFri, Jun 5, 4:09 PM PDT · 2312 days ago · 7 km deep · 69 km away · felt by 184
38. 1.84km W of San Francisco Zoo, CAFri, Jun 5, 9:40 PM PDT · 2312 days ago · 13 km deep · 58 km away · felt by 4
39. 2.62km E of Berkeley, CATue, Jun 9, 6:32 AM PDT · 2309 days ago · 9 km deep · 47 km away · felt by 476
40. 2.02km E of Berkeley, CATue, Jun 9, 6:32 AM PDT · 2309 days ago · 9 km deep · 47 km away · felt by 16
41. 1.61km SSE of San Ramon, CATue, Jun 9, 10:45 AM PDT · 2308 days ago · 8 km deep · 27 km away
42. 2.02km NNW of Crockett, CAThu, Jun 11, 10:27 AM PDT · 2306 days ago · 7 km deep · 65 km away · felt by 8
43. 2.310km SW of Ridgemark, CAThu, Jun 11, 10:49 PM PDT · 2306 days ago · 6 km deep · 96 km away
44. 1.610km N of Hollister, CAFri, Jun 12, 12:11 PM PDT · 2305 days ago · 8 km deep · 82 km away
45. 1.615km E of Seven Trees, CASat, Jun 13, 3:48 AM PDT · 2305 days ago · 2 km deep · 35 km away
46. 1.62km NNW of Crockett, CASun, Jun 14, 3:50 PM PDT · 2303 days ago · 7 km deep · 65 km away
47. 2.18km ENE of Alum Rock, CAMon, Jun 15, 5:55 PM PDT · 2302 days ago · 3 km deep · 23 km away · felt by 2
48. 1.84km E of Livermore, CAMon, Jun 15, 10:18 PM PDT · 2302 days ago · 4 km deep · 26 km away · felt by 2
49. 2.21km ENE of Tres Pinos, CATue, Jun 16, 11:08 AM PDT · 2301 days ago · 9 km deep · 99 km away
50. 3.48km NE of Alum Rock, CAWed, Jun 17, 10:35 AM PDT · 2300 days ago · 8 km deep · 20 km away · felt by 3,326
51. 1.82km SW of Los Altos Hills, CAWed, Jun 17, 7:12 PM PDT · 2300 days ago · 7 km deep · 26 km away · felt by 6
52. 1.83km W of Portola Valley, CASat, Jun 20, 12:11 AM PDT · 2298 days ago · 10 km deep · 33 km away
53. 1.62km WSW of San Juan Bautista, CASat, Jun 20, 2:16 PM PDT · 2297 days ago · 5 km deep · 84 km away
54. 1.73km W of Portola Valley, CASat, Jun 20, 11:27 PM PDT · 2297 days ago · 10 km deep · 33 km away
55. 1.69km NE of San Martin, CASun, Jun 21, 12:36 AM PDT · 2297 days ago · 6 km deep · 56 km away
56. 1.59km N of Boulder Creek, CASun, Jun 21, 9:48 AM PDT · 2296 days ago · 11 km deep · 39 km away
57. 1.810km NE of Blackhawk, CAMon, Jun 22, 2:43 PM PDT · 2295 days ago · 11 km deep · 41 km away
58. 1.73km E of Aromas, CAMon, Jun 22, 2:54 PM PDT · 2295 days ago · 1 km deep · 77 km away
59. 1.73km W of Portola Valley, CAMon, Jun 22, 5:00 PM PDT · 2295 days ago · 10 km deep · 33 km away
60. 2.73km W of Portola Valley, CAMon, Jun 22, 8:09 PM PDT · 2295 days ago · 10 km deep · 33 km away · felt by 114

The first 60 of 92.

Before

1. 1.813km SSE of Livermore, CASat, May 16, 6:54 PM PDT · 2332 days ago · 6 km deep · 22 km away
2. 1.98km SW of Brentwood, CAWed, May 13, 6:40 AM PDT · 2336 days ago · 13 km deep · 41 km away · felt by 3
3. 1.89km ENE of Morgan Hill, CATue, May 12, 8:14 PM PDT · 2336 days ago · 1 km deep · 53 km away
4. 1.65km W of San Francisco Zoo, CATue, May 12, 12:35 PM PDT · 2336 days ago · 8 km deep · 59 km away
5. 1.65km W of San Francisco Zoo, CAMon, May 11, 7:51 PM PDT · 2337 days ago · 9 km deep · 59 km away · felt by 1
6. 1.73km SW of Lexington Hills, CASun, May 10, 10:20 AM PDT · 2338 days ago · 13 km deep · 43 km away
7. 2.07km SE of Blackhawk, CAThu, May 7, 9:40 PM PDT · 2341 days ago · 20 km deep · 30 km away · felt by 3
8. 1.88km ESE of Blackhawk, CAThu, May 7, 9:36 PM PDT · 2341 days ago · 22 km deep · 31 km away
9. 1.710km SW of Brentwood, CAThu, May 7, 3:11 PM PDT · 2341 days ago · 9 km deep · 39 km away
10. 1.74km NW of Orinda, CATue, May 5, 10:37 PM PDT · 2343 days ago · 8 km deep · 48 km away · felt by 1
11. 2.98km ESE of Prunedale, CAMon, May 4, 9:46 AM PDT · 2344 days ago · 3 km deep · 92 km away · felt by 2
12. 2.013km ESE of Alum Rock, CASat, May 2, 5:07 PM PDT · 2346 days ago · 7 km deep · 32 km away
13. 1.54km NNE of Fairview, CAThu, Apr 30, 2:44 AM PDT · 2349 days ago · 7 km deep · 22 km away · felt by 1
14. 1.52km E of Berkeley, CAThu, Apr 30, 12:56 AM PDT · 2349 days ago · 9 km deep · 46 km away
15. 1.92km ESE of Aromas, CAWed, Apr 29, 7:14 PM PDT · 2349 days ago · 8 km deep · 77 km away
16. 2.012km ESE of Gilroy, CAWed, Apr 29, 5:57 PM PDT · 2349 days ago · 4 km deep · 76 km away
17. 1.519km SSE of Livermore, CAMon, Apr 27, 7:02 PM PDT · 2351 days ago · 4 km deep · 24 km away
18. 1.62km S of Pittsburg, CAMon, Apr 27, 12:09 PM PDT · 2351 days ago · 17 km deep · 54 km away
19. 1.54km ESE of Aromas, CASun, Apr 26, 11:22 PM PDT · 2352 days ago · 6 km deep · 78 km away
20. 2.07km NNE of Alum Rock, CASun, Apr 26, 6:34 AM PDT · 2353 days ago · 5 km deep · 18 km away · felt by 1

From the USGS Earthquake Hazards Program and its partner networks, event nc73390375. Read Mon, Oct 5, 2026, 3:53 AM UTC.