M5.5 earthquake 34 km NW of Constitución, Chile
A magnitude 5.5 earthquake struck 34 km NW of Constitución, Chile on Sun, Dec 2, 1928, 7:16 PM GMT-4 (23:16 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M5.7 22 km WNW of Talca, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1928-12-02 23:16:00 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 35.146° S, 72.720° 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 2.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.331 km NE of Constitución, Chile · 35729 days ago · 35 km deep · 48 km away
- 5.510 km NNE of Cauquenes, Chile · 35724 days ago · 35 km deep · 89 km away
- 5.6102 km W of Constitución, Chile · 35715 days ago · 15 km deep · 73 km away
- 5.722 km WNW of Talca, Chile · 35712 days ago · 35 km deep · 79 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem908991. Read Tue, Sep 29, 2026, 5:17 AM UTC.