M4.9 earthquake 41 km SSE of Taltal, Chile
A magnitude 4.9 earthquake struck 41 km SSE of Taltal, Chile on Thu, Oct 6, 1983, 5:56 PM GMT-4 (21:56 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.7 53 km WNW of Diego de Almagro, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1983-10-06 21:56:58 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 25.749° S, 70.318° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 6.753 km WNW of Diego de Almagro, Chile · 15689 days ago · 16 km deep · 47 km away
- 5.237 km SW of Taltal, Chile · 15686 days ago · 27 km deep · 50 km away
- 5.3100 km WNW of Diego de Almagro, Chile · 15685 days ago · 9 km deep · 86 km away
- 4.571 km W of Diego de Almagro, Chile · 15684 days ago · 33 km deep · 91 km away
- 5.256 km WNW of Diego de Almagro, Chile · 15681 days ago · 33 km deep · 45 km away
Before
- 5.047 km W of Diego de Almagro, Chile · 15694 days ago · 33 km deep · 80 km away
- 5.760 km W of Diego de Almagro, Chile · 15694 days ago · 31 km deep · 74 km away
- 7.454 km WSW of Diego de Almagro, Chile · 15694 days ago · 15 km deep · 91 km away
- 5.266 km NNE of Taltal, Chile · 15715 days ago · 57 km deep · 96 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001yuf. Read Tue, Sep 22, 2026, 10:31 AM UTC.