M2.8 earthquake 21km SW of Tecate, B.C., MX

Magnitude

2.8 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Sun, Oct 7, 1973, 8:37 AM PDT

UTC

1973-10-07 15:37:16 UTC

Depth

14.9 km (9.2 mi), shallow

Epicenter

32.435° N, 116.788° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.3 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.10

Depth from

From location

Station coverage gap

261°, poorly surrounded by stations

Stations used

5

• Terrazas del Valle, MexicoPopulation 20,421. Forecast7 kmSSE
• Tijuana, MexicoPopulation 1,922,523. Forecast22 kmESE

After

1. 2.75km SSE of Pine Valley, CAThu, Oct 11, 5:35 PM PDT · 19347 days ago · 4 km deep · 46 km away
2. 2.832km E of Ensenada, B.C., MXSun, Oct 14, 2:33 AM PDT · 19345 days ago · 6 km deep · 76 km away
3. 3.210km N of Tecate, B.C., MXThu, Oct 18, 6:41 PM PDT · 19340 days ago · 15 km deep · 28 km away
4. 2.710km NNE of Tecate, B.C., MXFri, Oct 19, 12:00 PM PDT · 19340 days ago · 18 km deep · 31 km away
5. 3.016km ESE of Julian, CAFri, Nov 2, 5:50 AM PST · 19326 days ago · 13 km deep · 70 km away
6. 3.143km SSW of Progreso, B.C., MXFri, Nov 9, 8:05 AM PST · 19319 days ago · 6 km deep · 98 km away
7. 2.854km ENE of Maneadero, B.C., MXSat, Nov 10, 3:27 AM PST · 19318 days ago · 6 km deep · 95 km away
8. 3.243km W of El Sauzal, B.C., MXMon, Nov 12, 4:52 PM PST · 19315 days ago · 6 km deep · 70 km away
9. 2.110km NE of Ocotillo, CAWed, Nov 14, 4:29 PM PST · 19313 days ago · 0 km deep · 90 km away
10. 2.610km WNW of Coronado, CAWed, Nov 28, 12:20 PM PST · 19299 days ago · 12 km deep · 55 km away
11. 3.060km ENE of Maneadero, B.C., MXWed, Nov 28, 7:21 PM PST · 19299 days ago · 6 km deep · 96 km away
12. 1.96km SSE of Palomar Observatory, CAFri, Nov 30, 7:46 PM PST · 19297 days ago · 8 km deep · 97 km away
13. 2.43km SSE of Pine Valley, CAWed, Dec 5, 4:35 PM PST · 19292 days ago · 9 km deep · 47 km away

Before

1. 2.612km N of Campo, CATue, Oct 2, 5:52 PM PDT · 19356 days ago · 6 km deep · 43 km away
2. 1.77km WSW of Ocotillo, CASat, Sep 22, 9:46 AM PDT · 19367 days ago · 10 km deep · 75 km away
3. 2.55km SSW of Pine Valley, CAWed, Sep 19, 6:10 PM PDT · 19369 days ago · 12 km deep · 44 km away
4. 3.412km SSW of Borrego Springs, CATue, Sep 18, 5:01 PM PDT · 19370 days ago · 14 km deep · 87 km away
5. 3.540km SSW of Progreso, B.C., MXFri, Sep 14, 4:57 PM PDT · 19374 days ago · 6 km deep · 97 km away
6. 2.526km ENE of Pine Valley, CAFri, Sep 14, 12:04 AM PDT · 19375 days ago · 10 km deep · 71 km away
7. 2.824km ENE of Pine Valley, CAThu, Sep 13, 10:56 PM PDT · 19375 days ago · 11 km deep · 69 km away
8. 3.226km ENE of Pine Valley, CAThu, Sep 13, 10:24 PM PDT · 19375 days ago · 8 km deep · 71 km away
9. 2.612km SSE of Pine Valley, CAThu, Sep 13, 5:28 PM PDT · 19375 days ago · 7 km deep · 42 km away
10. 3.028km ENE of Pine Valley, CAThu, Sep 13, 3:48 PM PDT · 19375 days ago · 9 km deep · 73 km away
11. 2.526km ENE of Pine Valley, CAThu, Sep 13, 10:40 AM PDT · 19376 days ago · 3 km deep · 71 km away
12. 4.728km NW of Ocotillo, CAThu, Sep 13, 10:30 AM PDT · 19376 days ago · 9 km deep · 73 km away
13. 2.623km WNW of Ocotillo, CASat, Sep 8, 6:38 AM PDT · 19381 days ago · 8 km deep · 68 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3319224. Read Thu, Oct 1, 2026, 7:25 AM UTC.