M1.8 earthquake 45km SSW of San Clemente, CA

Magnitude

1.8 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Jun 18, 1990, 9:01 AM PDT

UTC

1990-06-18 16:01:53 UTC

Depth

5.7 km (3.5 mi), shallow

Epicenter

33.080° N, 117.857° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.3 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

155°

Stations used

11

• San Clemente, CaliforniaPopulation 65,526. Forecast45 kmSSW
• Oceanside, CaliforniaPopulation 175,691. Forecast46 kmWSW
• San Diego, CaliforniaPopulation 1,404,452. Forecast76 kmWNW

After

1. 1.749km E of San Clemente Is. (SE tip), CAMon, Jun 18, 9:11 PM PDT · 13257 days ago · 5 km deep · 20 km away
2. 1.638km WSW of Carlsbad, CAMon, Jun 18, 11:31 PM PDT · 13256 days ago · 6 km deep · 13 km away
3. 3.136km WSW of Carlsbad, CAFri, Jun 22, 7:33 AM PDT · 13253 days ago · 6 km deep · 17 km away
4. 1.67km SW of San Pedro, CASun, Jun 24, 6:19 PM PDT · 13251 days ago · 0 km deep · 81 km away
5. 2.647km SSW of San Clemente, CATue, Jun 26, 2:52 PM PDT · 13249 days ago · 6 km deep · 3 km away
6. 2.447km WSW of Carlsbad, CAThu, Jun 28, 6:46 PM PDT · 13247 days ago · 6 km deep · 6 km away
7. 2.93km SSE of Avalon, CASat, Jun 30, 3:02 PM PDT · 13245 days ago · 1 km deep · 51 km away
8. 2.548km WSW of Carlsbad, CASun, Jul 1, 10:52 PM PDT · 13243 days ago · 6 km deep · 4 km away
9. 1.94km ESE of Rowland Heights, CAMon, Jul 2, 6:32 AM PDT · 13243 days ago · 11 km deep · 98 km away
10. 2.447km SSW of San Clemente, CAMon, Jul 2, 10:21 AM PDT · 13243 days ago · 6 km deep · 3 km away
11. 1.71km E of La Palma, CATue, Jul 3, 2:52 AM PDT · 13242 days ago · 5 km deep · 87 km away
12. 2.49km NNE of Trabuco Canyon, CATue, Jul 3, 8:35 AM PDT · 13242 days ago · 6 km deep · 78 km away
13. 2.02km N of Rolling Hills Estates, CATue, Jul 3, 7:08 PM PDT · 13242 days ago · 7 km deep · 93 km away
14. 2.010km ENE of Pala, CAFri, Jul 6, 8:32 PM PDT · 13239 days ago · 4 km deep · 89 km away
15. 1.510km ENE of Pala, CAFri, Jul 6, 8:50 PM PDT · 13239 days ago · 4 km deep · 90 km away
16. 2.210km ENE of Pala, CAFri, Jul 6, 10:30 PM PDT · 13238 days ago · 4 km deep · 89 km away
17. 1.510km ENE of Pala, CASat, Jul 7, 12:59 AM PDT · 13238 days ago · 4 km deep · 89 km away
18. 2.340km WSW of Carlsbad, CASat, Jul 7, 2:15 AM PDT · 13238 days ago · 6 km deep · 16 km away
19. 2.110km ENE of Pala, CASun, Jul 8, 5:23 AM PDT · 13237 days ago · 4 km deep · 89 km away
20. 2.111km SSW of Rancho Palos Verdes, CASun, Jul 8, 2:31 PM PDT · 13237 days ago · 12 km deep · 84 km away
21. 2.07km WNW of Corona, CASun, Jul 8, 8:59 PM PDT · 13237 days ago · 6 km deep · 94 km away
22. 2.244km WSW of Carlsbad, CAMon, Jul 9, 1:19 PM PDT · 13236 days ago · 6 km deep · 10 km away
23. 2.538km WSW of Carlsbad, CAMon, Jul 9, 6:15 PM PDT · 13236 days ago · 6 km deep · 17 km away
24. 2.048km SSW of San Clemente, CAWed, Jul 11, 9:38 AM PDT · 13234 days ago · 6 km deep · 3 km away
25. 2.137km WSW of Carlsbad, CAFri, Jul 13, 2:12 AM PDT · 13232 days ago · 6 km deep · 16 km away
26. 2.439km W of La Jolla, CAFri, Jul 13, 8:15 PM PDT · 13232 days ago · 6 km deep · 25 km away
27. 2.447km WSW of Carlsbad, CASun, Jul 15, 2:36 AM PDT · 13230 days ago · 6 km deep · 9 km away
28. 1.610km WNW of Palomar Observatory, CAMon, Jul 16, 2:43 PM PDT · 13229 days ago · 8 km deep · 89 km away
29. 1.76km SSE of Palomar Observatory, CAMon, Jul 16, 11:48 PM PDT · 13228 days ago · 9 km deep · 99 km away
30. 2.047km WSW of Carlsbad, CAMon, Jul 23, 1:40 AM PDT · 13222 days ago · 4 km deep · 15 km away
31. 2.05km SSE of Rolling Hills, CAWed, Jul 25, 12:22 AM PDT · 13220 days ago · 5 km deep · 83 km away
32. 1.93km W of Fullerton, CAFri, Jul 27, 1:34 AM PDT · 13218 days ago · 5 km deep · 90 km away
33. 2.146km WSW of Carlsbad, CAFri, Jul 27, 8:55 AM PDT · 13218 days ago · 5 km deep · 9 km away
34. 1.913km S of San Pedro, CASat, Jul 28, 8:57 AM PDT · 13217 days ago · 11 km deep · 72 km away
35. 2.546km WSW of Carlsbad, CAMon, Jul 30, 12:15 PM PDT · 13215 days ago · 6 km deep · 5 km away
36. 2.557km S of San Clemente Is. (SE tip), CAThu, Aug 2, 10:16 AM PDT · 13212 days ago · 6 km deep · 94 km away
37. 2.711km NE of San Clemente Is. (NW tip), CAThu, Aug 2, 2:54 PM PDT · 13212 days ago · 6 km deep · 61 km away
38. 1.610km NW of Aguanga, CASat, Aug 4, 7:06 AM PDT · 13210 days ago · -1 km deep · 98 km away
39. 2.411km ENE of North Tustin, CASat, Aug 4, 9:31 AM PDT · 13210 days ago · 2 km deep · 83 km away
40. 1.67km NW of Aguanga, CAMon, Aug 6, 9:14 AM PDT · 13208 days ago · 6 km deep · 97 km away
41. 1.813km SW of Coronado, CAMon, Aug 6, 5:54 PM PDT · 13208 days ago · 5 km deep · 73 km away
42. 1.849km SSW of San Clemente, CAMon, Aug 6, 10:31 PM PDT · 13207 days ago · 6 km deep · 4 km away
43. 2.24km E of Yorba Linda, CASat, Aug 11, 11:27 PM PDT · 13202 days ago · 4 km deep · 90 km away
44. 2.135km W of La Jolla, CASun, Aug 12, 4:57 AM PDT · 13202 days ago · 5 km deep · 28 km away
45. 1.919km S of San Pedro, CASun, Aug 12, 8:58 AM PDT · 13202 days ago · 6 km deep · 66 km away
46. 2.52km WSW of Lomita, CATue, Aug 14, 11:14 AM PDT · 13200 days ago · 8 km deep · 90 km away
47. 1.69km ENE of Pala, CAThu, Aug 16, 6:40 AM PDT · 13198 days ago · 5 km deep · 88 km away
48. 1.910km ENE of Pala, CAThu, Aug 16, 7:40 AM PDT · 13198 days ago · 3 km deep · 89 km away
49. 2.110km WNW of Palomar Observatory, CAThu, Aug 16, 7:56 AM PDT · 13198 days ago · 3 km deep · 90 km away
50. 1.69km NW of Aguanga, CAThu, Aug 16, 8:01 AM PDT · 13198 days ago · 5 km deep · 96 km away
51. 2.310km ENE of Pala, CAThu, Aug 16, 11:22 AM PDT · 13198 days ago · 3 km deep · 89 km away
52. 1.53km SW of Corona, CAThu, Aug 16, 8:53 PM PDT · 13198 days ago · 5 km deep · 89 km away
53. 2.634km W of La Jolla, CAThu, Aug 16, 10:32 PM PDT · 13197 days ago · 5 km deep · 29 km away

Before

1. 2.043km WSW of Encinitas, CAMon, Jun 18, 5:10 AM PDT · 13257 days ago · 6 km deep · 19 km away
2. 2.031km SSW of San Clemente Is. (NW tip), CAMon, Jun 18, 2:34 AM PDT · 13257 days ago · 6 km deep · 91 km away
3. 1.740km WSW of Encinitas, CASat, Jun 16, 3:28 AM PDT · 13259 days ago · 5 km deep · 20 km away
4. 1.838km WSW of Carlsbad, CAWed, Jun 13, 3:22 PM PDT · 13262 days ago · 6 km deep · 15 km away
5. 1.938km WSW of Carlsbad, CAWed, Jun 13, 2:51 PM PDT · 13262 days ago · 6 km deep · 17 km away
6. 1.94km NW of National City, CAWed, Jun 13, 6:36 AM PDT · 13262 days ago · 6 km deep · 80 km away
7. 2.52km NNE of Laguna Beach, CATue, Jun 12, 6:15 PM PDT · 13263 days ago · 1 km deep · 54 km away
8. 2.920km SSW of Imperial Beach, CAMon, Jun 11, 7:40 PM PDT · 13264 days ago · 6 km deep · 94 km away
9. 1.523km SW of Imperial Beach, CAMon, Jun 11, 7:40 PM PDT · 13264 days ago · 5 km deep · 91 km away
10. 2.636km WSW of Carlsbad, CAMon, Jun 11, 7:05 PM PDT · 13264 days ago · 6 km deep · 18 km away
11. 2.13km ESE of Brea, CAMon, Jun 11, 12:27 PM PDT · 13264 days ago · 7 km deep · 92 km away
12. 2.341km WSW of Carlsbad, CASun, Jun 10, 4:35 AM PDT · 13265 days ago · 5 km deep · 15 km away
13. 1.53km NNE of Palomar Observatory, CASat, Jun 9, 11:26 PM PDT · 13265 days ago · 10 km deep · 99 km away
14. 2.49km WSW of Laguna Beach, CAFri, Jun 8, 6:18 PM PDT · 13267 days ago · 6 km deep · 47 km away
15. 2.119km WSW of La Jolla, CAThu, Jun 7, 9:38 AM PDT · 13268 days ago · 6 km deep · 52 km away
16. 1.747km ENE of San Clemente Is. (SE tip), CAThu, Jun 7, 5:43 AM PDT · 13268 days ago · 6 km deep · 17 km away
17. 1.745km WSW of Carlsbad, CAThu, May 31, 10:38 PM PDT · 13274 days ago · 6 km deep · 8 km away
18. 1.60km W of Hawaiian Gardens, CAThu, May 31, 2:55 AM PDT · 13275 days ago · 5 km deep · 86 km away
19. 2.515km S of San Pedro, CAMon, May 28, 7:28 PM PDT · 13278 days ago · 6 km deep · 69 km away
20. 1.54km WSW of Ladera Ranch, CASun, May 27, 1:21 PM PDT · 13279 days ago · 13 km deep · 56 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci2000476. Read Sun, Oct 4, 2026, 4:55 PM UTC.