M2.8 earthquake 41km WSW of Encinitas, CA

Magnitude

2.8 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Tue, Aug 18, 1987, 2:18 AM PDT

UTC

1987-08-18 09:18:44 UTC

Depth

5.5 km (3.4 mi), shallow

Epicenter

32.956° N, 117.718° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

261°, poorly surrounded by stations

Stations used

0

• Encinitas, CaliforniaPopulation 62,930. Forecast41 kmWSW
• Carlsbad, CaliforniaPopulation 114,746. Forecast41 kmWSW
• San Diego, CaliforniaPopulation 1,404,452. Forecast58 kmWNW

After

1. 2.941km WSW of Encinitas, CATue, Aug 18, 8:07 AM PDT · 14293 days ago · 5 km deep · 1 km away
2. 1.72km SSE of Aguanga, CATue, Aug 18, 7:47 PM PDT · 14292 days ago · 1 km deep · 96 km away
3. 2.549km WSW of Carlsbad, CAWed, Aug 19, 12:16 AM PDT · 14292 days ago · 5 km deep · 14 km away
4. 3.18km WSW of Newport Beach, CAWed, Aug 19, 2:40 AM PDT · 14292 days ago · 13 km deep · 75 km away
5. 2.641km WSW of Encinitas, CAWed, Aug 19, 4:19 AM PDT · 14292 days ago · 6 km deep · 1 km away
6. 2.540km WSW of Carlsbad, CAWed, Aug 19, 9:18 PM PDT · 14291 days ago · 6 km deep · 5 km away
7. 2.735km WNW of La Jolla, CAFri, Aug 21, 12:37 AM PDT · 14290 days ago · 5 km deep · 8 km away
8. 3.043km WSW of Encinitas, CAFri, Aug 21, 6:49 PM PDT · 14289 days ago · 6 km deep · 2 km away
9. 2.210km ESE of Palomar Observatory, CAFri, Aug 21, 7:11 PM PDT · 14289 days ago · 14 km deep · 98 km away
10. 2.942km WSW of Encinitas, CAFri, Aug 21, 7:59 PM PDT · 14289 days ago · 6 km deep · 1 km away
11. 2.742km WSW of Carlsbad, CAFri, Aug 21, 11:57 PM PDT · 14289 days ago · 5 km deep · 11 km away
12. 2.536km W of La Jolla, CASat, Aug 22, 1:19 AM PDT · 14289 days ago · 5 km deep · 9 km away
13. 2.640km WSW of Encinitas, CASun, Aug 23, 1:01 PM PDT · 14288 days ago · 6 km deep · 1 km away
14. 2.323km SW of Laguna Beach, CAMon, Aug 24, 5:30 AM PDT · 14287 days ago · 6 km deep · 52 km away
15. 2.52km NW of Palomar Observatory, CAWed, Aug 26, 1:24 AM PDT · 14285 days ago · 16 km deep · 91 km away
16. 2.11km NW of Palomar Observatory, CAWed, Aug 26, 2:56 AM PDT · 14285 days ago · 16 km deep · 91 km away
17. 1.813km S of Rancho Palos Verdes, CAWed, Aug 26, 6:49 AM PDT · 14285 days ago · 0 km deep · 98 km away
18. 2.645km WSW of Carlsbad, CAThu, Aug 27, 4:32 AM PDT · 14284 days ago · 6 km deep · 11 km away
19. 2.638km WSW of Carlsbad, CAThu, Aug 27, 11:26 AM PDT · 14284 days ago · 6 km deep · 4 km away
20. 2.642km WSW of Encinitas, CAFri, Aug 28, 5:02 AM PDT · 14283 days ago · 6 km deep · 3 km away
21. 2.013km S of Rancho Palos Verdes, CASat, Aug 29, 6:09 AM PDT · 14282 days ago · 0 km deep · 98 km away
22. 2.741km WSW of Carlsbad, CASat, Aug 29, 11:23 AM PDT · 14282 days ago · 5 km deep · 2 km away
23. 2.744km WSW of Carlsbad, CAMon, Aug 31, 3:23 AM PDT · 14280 days ago · 6 km deep · 4 km away
24. 2.743km WSW of Carlsbad, CAMon, Aug 31, 3:24 AM PDT · 14280 days ago · 6 km deep · 5 km away
25. 2.337km WSW of Carlsbad, CATue, Sep 1, 3:39 AM PDT · 14279 days ago · 6 km deep · 6 km away
26. 2.448km ENE of San Clemente Is. (SE tip), CAWed, Sep 2, 7:57 PM PDT · 14277 days ago · 6 km deep · 19 km away
27. 2.07km NNW of Aguanga, CAWed, Sep 2, 11:34 PM PDT · 14277 days ago · 9 km deep · 96 km away
28. 2.649km WSW of Carlsbad, CAThu, Sep 3, 8:16 AM PDT · 14277 days ago · 6 km deep · 15 km away
29. 2.750km WSW of Carlsbad, CAThu, Sep 3, 8:59 AM PDT · 14277 days ago · 5 km deep · 14 km away
30. 2.644km WSW of Carlsbad, CAThu, Sep 3, 10:49 PM PDT · 14276 days ago · 6 km deep · 3 km away
31. 2.412km NE of Trabuco Canyon, CAFri, Sep 4, 11:26 AM PDT · 14276 days ago · 6 km deep · 90 km away
32. 2.538km WSW of Carlsbad, CASat, Sep 5, 3:05 AM PDT · 14275 days ago · 5 km deep · 5 km away
33. 2.642km WSW of Carlsbad, CASat, Sep 5, 11:01 PM PDT · 14274 days ago · 6 km deep · 3 km away
34. 2.743km WSW of Encinitas, CASun, Sep 6, 5:18 PM PDT · 14273 days ago · 6 km deep · 4 km away
35. 2.515km W of Coronado, CAMon, Sep 7, 4:08 AM PDT · 14273 days ago · 6 km deep · 47 km away
36. 2.739km WSW of Carlsbad, CATue, Sep 8, 4:19 AM PDT · 14272 days ago · 6 km deep · 2 km away
37. 2.742km WSW of Carlsbad, CATue, Sep 8, 11:34 PM PDT · 14271 days ago · 5 km deep · 8 km away
38. 2.939km WSW of Carlsbad, CAWed, Sep 9, 1:19 AM PDT · 14271 days ago · 5 km deep · 4 km away
39. 2.748km WSW of Carlsbad, CAWed, Sep 9, 11:48 PM PDT · 14270 days ago · 6 km deep · 9 km away
40. 2.740km WSW of Encinitas, CAThu, Sep 10, 4:54 AM PDT · 14270 days ago · 6 km deep · 3 km away
41. 2.55km NE of San Joaquin Hills, CAThu, Sep 10, 5:05 PM PDT · 14269 days ago · 10 km deep · 77 km away
42. 2.546km WSW of Carlsbad, CAFri, Sep 11, 12:00 AM PDT · 14269 days ago · 6 km deep · 13 km away
43. 2.53km NE of San Joaquin Hills, CAFri, Sep 11, 10:09 AM PDT · 14269 days ago · 6 km deep · 75 km away
44. 2.647km WSW of Carlsbad, CAFri, Sep 11, 5:36 PM PDT · 14268 days ago · 6 km deep · 7 km away
45. 2.548km WSW of Carlsbad, CASat, Sep 12, 4:41 PM PDT · 14267 days ago · 6 km deep · 13 km away
46. 2.95km SSE of Coronado, CASun, Sep 13, 4:13 AM PDT · 14267 days ago · 12 km deep · 63 km away
47. 2.94km SW of National City, CASun, Sep 13, 4:35 AM PDT · 14267 days ago · 10 km deep · 64 km away
48. 1.95km SE of Coronado, CASun, Sep 13, 4:36 AM PDT · 14267 days ago · 5 km deep · 63 km away
49. 2.743km WSW of Encinitas, CASun, Sep 13, 7:20 AM PDT · 14267 days ago · 6 km deep · 3 km away
50. 2.85km SW of National City, CASun, Sep 13, 8:27 PM PDT · 14266 days ago · 10 km deep · 63 km away
51. 2.65km SW of National City, CAMon, Sep 14, 4:27 AM PDT · 14266 days ago · 10 km deep · 64 km away
52. 2.948km WSW of Carlsbad, CAMon, Sep 14, 2:09 PM PDT · 14266 days ago · 4 km deep · 9 km away
53. 2.647km WSW of Carlsbad, CAWed, Sep 16, 5:46 AM PDT · 14264 days ago · 6 km deep · 7 km away
54. 2.55km SW of National City, CAWed, Sep 16, 10:21 AM PDT · 14264 days ago · 11 km deep · 64 km away
55. 2.84km SW of National City, CAWed, Sep 16, 10:31 AM PDT · 14264 days ago · 9 km deep · 64 km away
56. 2.814km SE of Tijuana, B.C., MXWed, Sep 16, 6:54 PM PDT · 14263 days ago · 15 km deep · 95 km away
57. 2.53km SW of National City, CAThu, Sep 17, 5:49 PM PDT · 14262 days ago · 10 km deep · 65 km away
58. 2.544km WSW of Carlsbad, CAFri, Sep 18, 6:08 AM PDT · 14262 days ago · 5 km deep · 4 km away
59. 2.546km WSW of Carlsbad, CASat, Sep 19, 12:42 AM PDT · 14261 days ago · 6 km deep · 6 km away
60. 2.55km WSW of National City, CASat, Sep 19, 3:11 AM PDT · 14261 days ago · 10 km deep · 63 km away

The first 60 of 103.

Before

1. 2.14km S of Huntington Beach, CAMon, Aug 17, 9:23 PM PDT · 14293 days ago · 6 km deep · 82 km away
2. 2.110km SSW of Huntington Beach, CAMon, Aug 17, 7:08 PM PDT · 14293 days ago · 15 km deep · 80 km away
3. 2.942km WSW of Encinitas, CAMon, Aug 17, 7:00 AM PDT · 14294 days ago · 5 km deep · 1 km away
4. 2.744km WSW of Carlsbad, CASun, Aug 16, 6:17 PM PDT · 14294 days ago · 6 km deep · 12 km away
5. 2.245km SW of San Clemente, CASun, Aug 16, 3:49 AM PDT · 14295 days ago · 6 km deep · 22 km away
6. 2.528km WSW of Carlsbad, CAFri, Aug 14, 7:23 PM PDT · 14296 days ago · 5 km deep · 16 km away
7. 2.344km WSW of Carlsbad, CAFri, Aug 14, 8:00 AM PDT · 14297 days ago · 5 km deep · 5 km away
8. 2.647km WSW of Carlsbad, CAFri, Aug 14, 3:39 AM PDT · 14297 days ago · 5 km deep · 8 km away
9. 2.848km WSW of Carlsbad, CAThu, Aug 13, 12:05 AM PDT · 14298 days ago · 6 km deep · 8 km away
10. 2.38km ENE of Villa Park, CAWed, Aug 12, 8:43 PM PDT · 14298 days ago · 2 km deep · 99 km away
11. 2.547km WSW of Carlsbad, CAWed, Aug 12, 12:34 AM PDT · 14299 days ago · 6 km deep · 14 km away
12. 2.643km WSW of Encinitas, CATue, Aug 11, 1:23 AM PDT · 14300 days ago · 5 km deep · 3 km away
13. 2.17km NNE of Lake Henshaw, CASun, Aug 9, 2:33 PM PDT · 14301 days ago · 18 km deep · 100 km away
14. 2.55km SW of National City, CASat, Aug 8, 11:27 PM PDT · 14302 days ago · 14 km deep · 64 km away
15. 2.43km SW of National City, CASat, Aug 8, 11:19 PM PDT · 14302 days ago · 10 km deep · 64 km away
16. 2.935km WSW of Encinitas, CAThu, Aug 6, 11:46 PM PDT · 14304 days ago · 6 km deep · 6 km away
17. 1.810km ENE of Villa Park, CAThu, Aug 6, 1:19 AM PDT · 14305 days ago · 4 km deep · 99 km away
18. 2.440km WSW of Carlsbad, CAWed, Aug 5, 5:22 PM PDT · 14305 days ago · 6 km deep · 13 km away
19. 2.842km WSW of Encinitas, CATue, Aug 4, 6:14 PM PDT · 14306 days ago · 6 km deep · 3 km away
20. 3.346km WSW of Carlsbad, CAMon, Aug 3, 7:40 PM PDT · 14307 days ago · 6 km deep · 6 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci621132. Read Mon, Oct 5, 2026, 8:41 AM UTC.