Chile earthquakes

M4.6 earthquake 64 km N of La Serena, Chile

A magnitude 4.6 earthquake struck 64 km N of La Serena, Chile on Tue, Mar 11, 1975, 9:18 PM GMT-4 (01:18 UTC), 62 km (39 mi) below the surface.

A larger quake followed: M6.9 1 km N of Coquimbo, Chile. This one was a foreshock.

La Serena forecastMore in Chile

Map

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

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The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1975-03-12 01:18:32 UTC
Depth
62.0 km (38.5 mi), shallow
Epicenter
29.322° S, 71.233° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
4.6mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed
5.17Mw, momentISC-GEM global catalogFinal · ±0.2

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 14 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 6.91 km N of Coquimbo, Chile · 18830 days ago · 4 km deep · 70 km away
  2. 5.327 km NNW of La Serena, Chile · 18830 days ago · 33 km deep · 41 km away
  3. 5.215 km NW of La Serena, Chile · 18830 days ago · 51 km deep · 53 km away
  4. 5.128 km NW of Coquimbo, Chile · 18830 days ago · 26 km deep · 59 km away
  5. 5.12 km ENE of Coquimbo, Chile · 18830 days ago · 59 km deep · 69 km away
  6. 4.534 km NNW of La Serena, Chile · 18830 days ago · 33 km deep · 33 km away
  7. 4.57 km SSE of Coquimbo, Chile · 18830 days ago · 58 km deep · 77 km away
  8. 4.232 km NW of Coquimbo, Chile · 18830 days ago · 34 km deep · 61 km away
  9. 5.38 km NNW of Coquimbo, Chile · 18829 days ago · 47 km deep · 65 km away
  10. 4.617 km SSE of Coquimbo, Chile · 18829 days ago · 62 km deep · 85 km away
  11. 4.66 km NNE of La Serena, Chile · 18828 days ago · 61 km deep · 60 km away
  12. 4.234 km NNW of La Serena, Chile · 18823 days ago · 33 km deep · 38 km away
  13. 4.216 km NW of Coquimbo, Chile · 18799 days ago · 51 km deep · 62 km away
  14. 4.445 km NW of Coquimbo, Chile · 18779 days ago · 17 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000a6v (also filed as iscgem731163). Read Thu, Oct 1, 2026, 10:54 PM UTC.