M5.3 earthquake 31 km NE of Constitución, Chile
A magnitude 5.3 earthquake struck 31 km NE of Constitución, Chile on Mon, Dec 3, 1928, 7:31 AM GMT-4 (11:31 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.5 10 km NNE of Cauquenes, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mw), moderate
- Local time
- UTC
- 1928-12-03 11:31:36 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 35.110° S, 72.195° W
- Region
- Chile
- 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.510 km NNE of Cauquenes, Chile · 35717 days ago · 35 km deep · 85 km away
- 5.722 km WNW of Talca, Chile · 35705 days ago · 35 km deep · 41 km away
Before
- 5.534 km NW of Constitución, Chile · 35722 days ago · 35 km deep · 48 km away
- 7.247 km NW of Cauquenes, Chile · 35723 days ago · 30 km deep · 83 km away
- 6.213 km S of Constitución, Chile · 35724 days ago · 35 km deep · 44 km away
- 7.730 km NNE of Constitución, Chile · 35724 days ago · 35 km deep · 7 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgemsup908995. Read Tue, Sep 22, 2026, 6:04 AM UTC.