M2.4 earthquake 11km ENE of North Tustin, CA

Magnitude

2.4 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, Aug 4, 1990, 9:31 AM PDT

UTC

1990-08-04 16:31:18 UTC

Depth

1.6 km (1.0 mi), shallow

Epicenter

33.815° N, 117.689° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

From location

Station coverage gap

86°

Stations used

0

• North Tustin, CaliforniaPopulation 24,917. Forecast11 kmENE
• Corona, CaliforniaPopulation 164,226. Forecast13 kmWSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast58 kmESE

After

1. 1.65km SE of Ontario, CASat, Aug 4, 10:08 AM PDT · 13210 days ago · 2 km deep · 25 km away
2. 2.411km SW of Morongo Valley, CASat, Aug 4, 10:13 AM PDT · 13210 days ago · 8 km deep · 96 km away
3. 2.34km SSE of Big Bear City, CASat, Aug 4, 11:38 AM PDT · 13210 days ago · 10 km deep · 91 km away
4. 1.79km SW of Idyllwild, CASat, Aug 4, 12:24 PM PDT · 13210 days ago · 14 km deep · 84 km away
5. 2.54km SSE of Big Bear City, CASat, Aug 4, 2:02 PM PDT · 13210 days ago · 9 km deep · 91 km away
6. 2.14km WNW of Devore, CASun, Aug 5, 2:51 PM PDT · 13209 days ago · 12 km deep · 52 km away
7. 2.84km SSE of Littlerock, CAMon, Aug 6, 12:41 AM PDT · 13208 days ago · 3 km deep · 79 km away
8. 1.67km NW of Aguanga, CAMon, Aug 6, 9:14 AM PDT · 13208 days ago · 6 km deep · 80 km away
9. 2.67km NNE of Cabazon, CAMon, Aug 6, 5:18 PM PDT · 13208 days ago · 18 km deep · 87 km away
10. 1.849km SSW of San Clemente, CAMon, Aug 6, 10:31 PM PDT · 13207 days ago · 6 km deep · 87 km away
11. 2.27km NNE of Cabazon, CATue, Aug 7, 4:57 AM PDT · 13207 days ago · 17 km deep · 87 km away
12. 2.04km NNE of Moreno Valley, CATue, Aug 7, 6:12 AM PDT · 13207 days ago · 14 km deep · 48 km away
13. 2.23km ENE of Colton, CATue, Aug 7, 2:15 PM PDT · 13207 days ago · 15 km deep · 48 km away
14. 2.312km NNE of Cabazon, CATue, Aug 7, 6:02 PM PDT · 13207 days ago · 9 km deep · 91 km away
15. 1.69km N of Rancho Cucamonga, CAWed, Aug 8, 11:01 PM PDT · 13205 days ago · 5 km deep · 44 km away
16. 2.02km SSE of Devore, CAThu, Aug 9, 2:00 AM PDT · 13205 days ago · 11 km deep · 51 km away
17. 1.98km N of Claremont, CAFri, Aug 10, 2:05 PM PDT · 13204 days ago · 8 km deep · 39 km away
18. 1.53km SSW of Idyllwild, CASat, Aug 11, 4:34 AM PDT · 13203 days ago · 16 km deep · 89 km away
19. 2.67km SSE of Idyllwild, CASat, Aug 11, 9:49 AM PDT · 13203 days ago · 16 km deep · 94 km away
20. 1.79km NNE of Banning, CASat, Aug 11, 2:12 PM PDT · 13203 days ago · 6 km deep · 81 km away
21. 2.311km S of Las Flores, CASat, Aug 11, 4:31 PM PDT · 13203 days ago · 9 km deep · 87 km away
22. 2.24km E of Yorba Linda, CASat, Aug 11, 11:27 PM PDT · 13202 days ago · 4 km deep · 11 km away
23. 1.919km S of San Pedro, CASun, Aug 12, 8:58 AM PDT · 13202 days ago · 6 km deep · 59 km away
24. 2.04km N of Claremont, CASun, Aug 12, 2:12 PM PDT · 13202 days ago · 9 km deep · 36 km away
25. 1.58km S of Cabazon, CAMon, Aug 13, 9:40 AM PDT · 13201 days ago · 12 km deep · 83 km away
26. 1.91km ESE of Loma Linda, CAMon, Aug 13, 9:39 PM PDT · 13201 days ago · 18 km deep · 48 km away
27. 2.52km WSW of Lomita, CATue, Aug 14, 11:14 AM PDT · 13200 days ago · 8 km deep · 60 km away
28. 1.57km NNW of Cabazon, CATue, Aug 14, 12:01 PM PDT · 13200 days ago · 13 km deep · 82 km away
29. 1.64km S of Idyllwild, CAWed, Aug 15, 7:10 AM PDT · 13199 days ago · 16 km deep · 90 km away
30. 1.72km N of Loma Linda, CAWed, Aug 15, 8:07 AM PDT · 13199 days ago · 15 km deep · 49 km away
31. 1.69km ENE of Pala, CAThu, Aug 16, 6:40 AM PDT · 13198 days ago · 5 km deep · 81 km away
32. 1.910km ENE of Pala, CAThu, Aug 16, 7:40 AM PDT · 13198 days ago · 3 km deep · 81 km away
33. 2.110km WNW of Palomar Observatory, CAThu, Aug 16, 7:56 AM PDT · 13198 days ago · 3 km deep · 82 km away
34. 1.69km NW of Aguanga, CAThu, Aug 16, 8:01 AM PDT · 13198 days ago · 5 km deep · 77 km away
35. 2.310km ENE of Pala, CAThu, Aug 16, 11:22 AM PDT · 13198 days ago · 3 km deep · 82 km away
36. 1.53km SW of Corona, CAThu, Aug 16, 8:53 PM PDT · 13198 days ago · 5 km deep · 10 km away
37. 2.09km NNW of Upland, CASat, Aug 18, 12:10 AM PDT · 13196 days ago · 4 km deep · 40 km away
38. 1.72km SSE of Aguanga, CAMon, Aug 20, 10:05 AM PDT · 13194 days ago · 10 km deep · 88 km away
39. 1.92km ENE of Banning, CAMon, Aug 20, 12:29 PM PDT · 13194 days ago · 9 km deep · 78 km away
40. 2.19km S of Idyllwild, CATue, Aug 21, 1:00 AM PDT · 13193 days ago · 15 km deep · 92 km away
41. 1.911km SW of Morongo Valley, CAWed, Aug 22, 11:43 PM PDT · 13191 days ago · 8 km deep · 96 km away
42. 1.55km NNW of Claremont, CAThu, Aug 23, 6:07 AM PDT · 13191 days ago · 7 km deep · 36 km away
43. 2.65km N of Claremont, CAThu, Aug 23, 6:33 AM PDT · 13191 days ago · 6 km deep · 36 km away
44. 1.510km SW of Anza, CAThu, Aug 23, 8:49 AM PDT · 13191 days ago · 10 km deep · 93 km away
45. 1.89km N of Sunland, CAThu, Aug 23, 11:59 AM PDT · 13191 days ago · 3 km deep · 81 km away
46. 1.79km SSW of Idyllwild, CAFri, Aug 24, 12:59 PM PDT · 13190 days ago · 15 km deep · 87 km away
47. 1.75km ESE of Ontario, CAFri, Aug 24, 10:26 PM PDT · 13189 days ago · 2 km deep · 26 km away
48. 1.94km NNE of Claremont, CASat, Aug 25, 5:52 AM PDT · 13189 days ago · 7 km deep · 35 km away
49. 1.710km ENE of Pala, CASat, Aug 25, 6:31 PM PDT · 13189 days ago · 3 km deep · 81 km away
50. 2.17km NNE of Claremont, CASat, Aug 25, 7:56 PM PDT · 13189 days ago · 8 km deep · 38 km away
51. 2.07km NNE of Cabazon, CAMon, Aug 27, 1:38 PM PDT · 13187 days ago · 18 km deep · 88 km away
52. 1.78km N of Cabazon, CATue, Aug 28, 3:25 AM PDT · 13186 days ago · 10 km deep · 85 km away
53. 2.29km NNE of La Verne, CATue, Aug 28, 4:26 AM PDT · 13186 days ago · 4 km deep · 41 km away
54. 1.57km NNE of Running Springs, CATue, Aug 28, 4:58 PM PDT · 13186 days ago · 10 km deep · 75 km away
55. 2.25km ESE of Ontario, CAWed, Aug 29, 12:52 AM PDT · 13185 days ago · 3 km deep · 27 km away
56. 1.64km NE of Palomar Observatory, CAThu, Aug 30, 9:58 PM PDT · 13184 days ago · 9 km deep · 93 km away
57. 2.09km SW of Idyllwild, CAFri, Aug 31, 10:50 AM PDT · 13183 days ago · 17 km deep · 84 km away
58. 2.18km SE of Santa Clarita, CAFri, Aug 31, 6:52 PM PDT · 13183 days ago · 6 km deep · 92 km away
59. 1.513km NNE of Cabazon, CASat, Sep 1, 12:09 AM PDT · 13182 days ago · 16 km deep · 92 km away
60. 1.845km WSW of Carlsbad, CASat, Sep 1, 5:02 AM PDT · 13182 days ago · 6 km deep · 88 km away

The first 60 of 166.

Before

1. 1.610km NW of Aguanga, CASat, Aug 4, 7:06 AM PDT · 13210 days ago · -1 km deep · 78 km away
2. 1.54km NNW of San Jacinto, CASat, Aug 4, 6:53 AM PDT · 13210 days ago · 10 km deep · 67 km away
3. 2.35km ESE of Ontario, CAFri, Aug 3, 6:15 PM PDT · 13211 days ago · 2 km deep · 26 km away
4. 2.05km ESE of Ontario, CAFri, Aug 3, 6:14 PM PDT · 13211 days ago · 2 km deep · 26 km away
5. 1.85km ESE of Ontario, CAFri, Aug 3, 5:58 PM PDT · 13211 days ago · 1 km deep · 26 km away
6. 2.28km SW of Lucerne Valley, CAThu, Aug 2, 7:15 AM PDT · 13212 days ago · 0 km deep · 89 km away
7. 1.98km SSW of Calimesa, CAThu, Aug 2, 1:59 AM PDT · 13212 days ago · 10 km deep · 57 km away
8. 2.52km S of San Gabriel, CAWed, Aug 1, 8:53 AM PDT · 13213 days ago · 11 km deep · 48 km away
9. 2.06km SE of Big Bear City, CAWed, Aug 1, 3:07 AM PDT · 13213 days ago · 4 km deep · 95 km away
10. 2.16km SSW of Lytle Creek, CATue, Jul 31, 7:31 PM PDT · 13214 days ago · 5 km deep · 47 km away
11. 2.54km NNE of Claremont, CATue, Jul 31, 1:47 PM PDT · 13214 days ago · 6 km deep · 35 km away
12. 1.55km SE of Las Flores, CAMon, Jul 30, 11:52 PM PDT · 13214 days ago · 6 km deep · 87 km away
13. 2.546km WSW of Carlsbad, CAMon, Jul 30, 12:15 PM PDT · 13215 days ago · 6 km deep · 86 km away
14. 1.91km N of Loma Linda, CAMon, Jul 30, 8:51 AM PDT · 13215 days ago · 12 km deep · 48 km away
15. 2.27km NNW of Upland, CASun, Jul 29, 12:56 PM PDT · 13216 days ago · 9 km deep · 38 km away
16. 2.112km SSE of Las Flores, CASun, Jul 29, 12:26 PM PDT · 13216 days ago · 3 km deep · 85 km away
17. 1.92km N of San Jacinto, CASun, Jul 29, 12:14 AM PDT · 13216 days ago · 12 km deep · 68 km away
18. 2.67km WNW of San Jacinto, CASat, Jul 28, 9:25 PM PDT · 13217 days ago · 14 km deep · 61 km away
19. 1.69km WSW of Lytle Creek, CASat, Jul 28, 10:06 AM PDT · 13217 days ago · 10 km deep · 46 km away
20. 1.913km S of San Pedro, CASat, Jul 28, 8:57 AM PDT · 13217 days ago · 11 km deep · 60 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci1061237. Read Sun, Oct 4, 2026, 4:33 PM UTC.