Mexico earthquakes

M2.8 earthquake 17km SSE of Tecate, B.C., MX

A magnitude 2.8 earthquake struck 17km SSE of Tecate, B.C., MX on Fri, Dec 21, 1973, 11:51 AM PST (19:51 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M3.6 64km SSW of Progreso, B.C., MX. This one was a foreshock.

Tecate forecastMore in Mexico

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.8 (mh), micro
Local time
UTC
1973-12-21 19:51:13 UTC
Depth
14.3 km (8.9 mi), shallow
Epicenter
32.425° N, 116.575° W
Region
Mexico
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.8 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
251°, poorly surrounded by stations
Stations used
5

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.022km SW of Ocotillo Wells, CA · 19271 days ago · 9 km deep · 68 km away
  2. 3.158km E of Maneadero, B.C., MX · 19269 days ago · 6 km deep · 96 km away
  3. 2.754km E of Maneadero, B.C., MX · 19261 days ago · 5 km deep · 96 km away
  4. 3.529km SE of Campo, CA · 19257 days ago · 15 km deep · 27 km away
  5. 2.110km E of Borrego Springs, CA · 19253 days ago · 15 km deep · 98 km away
  6. 2.939km ENE of Ensenada, B.C., MX · 19250 days ago · 6 km deep · 59 km away
  7. 2.126km ENE of Pine Valley, CA · 19249 days ago · 16 km deep · 59 km away
  8. 2.715km W of Imperial, CA · 19246 days ago · 8 km deep · 92 km away
  9. 3.664km SSW of Progreso, B.C., MX · 19242 days ago · 6 km deep · 81 km away
  10. 2.917km NE of Pine Valley, CA · 19237 days ago · 15 km deep · 58 km away
  11. 2.943km ENE of Ensenada, B.C., MX · 19236 days ago · 0 km deep · 61 km away
  12. 3.221km ESE of Ocotillo, CA · 19235 days ago · 6 km deep · 76 km away
  13. 2.06km WNW of Pine Valley, CA · 19223 days ago · 3 km deep · 46 km away
  14. 3.352km E of Maneadero, B.C., MX · 19219 days ago · 6 km deep · 92 km away
  15. 2.033km SE of Campo, CA · 19215 days ago · 3 km deep · 30 km away

Before

  1. 3.56km E of Borrego Springs, CA · 19275 days ago · 6 km deep · 95 km away
  2. 3.748km ENE of Maneadero, B.C., MX · 19282 days ago · 6 km deep · 75 km away
  3. 2.43km SSE of Pine Valley, CA · 19290 days ago · 9 km deep · 41 km away
  4. 3.045km WSW of Alberto Oviedo Mota, B.C., MX · 19294 days ago · 6 km deep · 96 km away
  5. 3.060km ENE of Maneadero, B.C., MX · 19297 days ago · 6 km deep · 80 km away
  6. 2.610km WNW of Coronado, CA · 19297 days ago · 12 km deep · 73 km away
  7. 1.812km ESE of Ocotillo Wells, CA · 19300 days ago · 5 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3318817. Read Tue, Sep 29, 2026, 3:43 AM UTC.