M2.7 earthquake 22km SSW of Tecate, B.C., MX

Magnitude

2.7 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Mar 18, 1979, 9:45 AM PST

UTC

1979-03-18 17:45:35 UTC

Depth

6.3 km (3.9 mi), shallow

Epicenter

32.397° N, 116.757° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.19

Depth from

From location

Station coverage gap

255°, poorly surrounded by stations

Stations used

25

• Terrazas del Valle, MexicoPopulation 20,421. Forecast12 kmSSE
• Tijuana, MexicoPopulation 1,922,523. Forecast26 kmESE

After

1. 1.67km ESE of Ocotillo, CAWed, Mar 21, 3:51 AM PST · 17361 days ago · 4 km deep · 84 km away
2. 2.267km ENE of Maneadero, B.C., MXWed, Mar 21, 10:31 AM PST · 17360 days ago · 6 km deep · 95 km away
3. 1.95km W of Poway, CAThu, Mar 22, 4:25 AM PST · 17360 days ago · 6 km deep · 70 km away
4. 2.421km ENE of Pine Valley, CAThu, Mar 22, 10:39 AM PST · 17359 days ago · 13 km deep · 70 km away
5. 2.025km ESE of Primo Tapia, B.C., MXThu, Mar 22, 11:15 PM PST · 17359 days ago · 6 km deep · 28 km away
6. 2.024km NE of Pine Valley, CASun, Mar 25, 9:45 AM PST · 17356 days ago · 10 km deep · 75 km away
7. 1.722km SSE of Ocotillo Wells, CAMon, Mar 26, 3:15 AM PST · 17356 days ago · 6 km deep · 92 km away
8. 2.320km SSW of Ocotillo Wells, CATue, Mar 27, 7:33 AM PST · 17355 days ago · 6 km deep · 82 km away
9. 4.645km SW of Primo Tapia, B.C., MXSat, Mar 31, 1:37 PM PST · 17350 days ago · 6 km deep · 69 km away
10. 2.332km SW of Primo Tapia, B.C., MXSat, Mar 31, 2:39 PM PST · 17350 days ago · 6 km deep · 56 km away
11. 2.334km SW of Primo Tapia, B.C., MXSat, Mar 31, 2:45 PM PST · 17350 days ago · 6 km deep · 58 km away
12. 2.232km SW of Primo Tapia, B.C., MXSat, Mar 31, 3:12 PM PST · 17350 days ago · 6 km deep · 56 km away
13. 2.52km SW of San Ysidro, CAMon, Apr 2, 10:28 AM PST · 17348 days ago · 0 km deep · 32 km away
14. 2.837km WSW of Primo Tapia, B.C., MXTue, Apr 3, 6:06 AM PST · 17348 days ago · 6 km deep · 61 km away
15. 1.522km SW of Ocotillo Wells, CAThu, Apr 5, 10:59 PM PST · 17345 days ago · 6 km deep · 80 km away
16. 2.223km SW of Ocotillo Wells, CAWed, Apr 11, 12:29 AM PST · 17340 days ago · 4 km deep · 79 km away
17. 1.89km N of Ramona, CAFri, Apr 13, 1:49 AM PST · 17338 days ago · 6 km deep · 81 km away
18. 1.844km SSW of Progreso, B.C., MXSat, Apr 14, 2:39 PM PST · 17336 days ago · 6 km deep · 97 km away
19. 2.226km ENE of Pine Valley, CAMon, Apr 16, 11:09 AM PST · 17334 days ago · 11 km deep · 73 km away
20. 2.934km SW of Primo Tapia, B.C., MXMon, Apr 16, 4:26 PM PST · 17334 days ago · 6 km deep · 58 km away
21. 2.338km ENE of Ensenada, B.C., MXTue, Apr 17, 4:03 AM PST · 17334 days ago · 6 km deep · 62 km away
22. 2.622km WNW of La Jolla, CATue, Apr 17, 6:53 AM PST · 17334 days ago · 6 km deep · 88 km away
23. 1.818km ESE of Julian, CAThu, Apr 19, 4:22 PM PST · 17331 days ago · 7 km deep · 76 km away
24. 1.53km SSE of Borrego Springs, CATue, Apr 24, 5:14 PM PST · 17326 days ago · 7 km deep · 100 km away
25. 2.820km E of Ensenada, B.C., MXWed, Apr 25, 5:07 AM PST · 17326 days ago · 6 km deep · 69 km away
26. 1.516km SE of Julian, CAWed, Apr 25, 6:14 AM PST · 17326 days ago · 6 km deep · 73 km away
27. 1.528km SSW of Ocotillo Wells, CAWed, Apr 25, 8:33 AM PST · 17326 days ago · 6 km deep · 75 km away
28. 2.718km E of Ensenada, B.C., MXWed, Apr 25, 10:48 AM PST · 17325 days ago · 6 km deep · 68 km away
29. 2.314km WNW of Ocotillo, CAThu, Apr 26, 9:00 PM PST · 17324 days ago · 9 km deep · 74 km away
30. 1.622km SW of Ocotillo Wells, CAThu, Apr 26, 10:23 PM PST · 17324 days ago · 6 km deep · 80 km away
31. 1.717km ESE of Julian, CAFri, Apr 27, 7:32 AM PST · 17324 days ago · 11 km deep · 78 km away
32. 1.522km SW of Ocotillo Wells, CAFri, Apr 27, 8:30 PM PST · 17323 days ago · 13 km deep · 80 km away
33. 1.525km NE of Pine Valley, CASun, Apr 29, 8:44 PM PDT · 17321 days ago · 6 km deep · 76 km away
34. 1.520km WNW of Progreso, B.C., MXTue, May 1, 1:32 AM PDT · 17320 days ago · 0 km deep · 94 km away
35. 1.710km SSW of Borrego Springs, CAWed, May 2, 1:23 AM PDT · 17319 days ago · 11 km deep · 92 km away
36. 2.08km WNW of Lake Henshaw, CAThu, May 3, 6:29 AM PDT · 17318 days ago · 10 km deep · 97 km away
37. 2.022km SW of Ocotillo Wells, CAFri, May 4, 2:54 PM PDT · 17316 days ago · 13 km deep · 80 km away
38. 2.18km WNW of Lake Henshaw, CAFri, May 4, 4:15 PM PDT · 17316 days ago · 9 km deep · 97 km away
39. 2.77km SE of Ensenada, B.C., MXSat, May 5, 6:29 PM PDT · 17315 days ago · 6 km deep · 67 km away
40. 2.013km WNW of Ocotillo, CASun, May 6, 9:01 AM PDT · 17315 days ago · 11 km deep · 74 km away
41. 2.025km SW of Ocotillo Wells, CAMon, May 7, 9:33 AM PDT · 17314 days ago · 10 km deep · 78 km away
42. 2.634km SW of Primo Tapia, B.C., MXWed, May 9, 9:05 PM PDT · 17311 days ago · 6 km deep · 59 km away
43. 2.167km WSW of Alberto Oviedo Mota, B.C., MXFri, May 11, 3:06 PM PDT · 17309 days ago · 6 km deep · 97 km away
44. 2.253km ENE of Maneadero, B.C., MXMon, May 14, 5:57 PM PDT · 17306 days ago · 6 km deep · 85 km away
45. 2.420km WNW of Progreso, B.C., MXTue, May 15, 6:10 AM PDT · 17306 days ago · 4 km deep · 96 km away
46. 1.953km SE of Campo, CATue, May 15, 10:20 AM PDT · 17305 days ago · 6 km deep · 62 km away

Before

1. 1.614km SW of Ocotillo Wells, CASat, Mar 17, 2:37 AM PST · 17365 days ago · 11 km deep · 88 km away
2. 2.216km SSW of Ocotillo Wells, CAThu, Mar 15, 1:40 AM PST · 17367 days ago · 12 km deep · 86 km away
3. 1.526km SSW of Ocotillo Wells, CAWed, Mar 14, 2:56 PM PST · 17367 days ago · 6 km deep · 76 km away
4. 2.247km ENE of Maneadero, B.C., MXTue, Mar 13, 4:11 PM PST · 17368 days ago · 6 km deep · 85 km away
5. 1.712km W of Coronado, CASat, Mar 10, 10:14 PM PST · 17371 days ago · 6 km deep · 61 km away
6. 1.826km SSW of Ocotillo Wells, CASat, Mar 10, 5:12 AM PST · 17372 days ago · 6 km deep · 77 km away
7. 2.233km ENE of Ensenada, B.C., MXThu, Mar 8, 6:45 PM PST · 17373 days ago · 6 km deep · 68 km away
8. 2.110km ESE of Ocotillo, CAWed, Mar 7, 3:24 PM PST · 17374 days ago · 11 km deep · 89 km away
9. 2.248km E of Maneadero, B.C., MXSun, Mar 4, 11:08 PM PST · 17377 days ago · 6 km deep · 98 km away
10. 3.351km E of Maneadero, B.C., MXSun, Mar 4, 11:08 AM PST · 17377 days ago · 6 km deep · 95 km away
11. 1.74km ESE of Ocotillo, CAThu, Mar 1, 2:53 PM PST · 17380 days ago · 11 km deep · 83 km away
12. 1.721km SW of Ocotillo Wells, CAFri, Feb 23, 8:53 PM PST · 17386 days ago · 10 km deep · 80 km away
13. 1.514km E of Julian, CAMon, Feb 19, 12:16 AM PST · 17391 days ago · 15 km deep · 79 km away
14. 1.68km SW of Ocotillo Wells, CASun, Feb 18, 7:05 AM PST · 17392 days ago · 6 km deep · 94 km away
15. 2.166km ENE of Ensenada, B.C., MXSat, Feb 17, 1:50 AM PST · 17393 days ago · 6 km deep · 87 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3347223. Read Thu, Oct 1, 2026, 4:43 AM UTC.