M5.4 earthquake 46 km NE of Chilecito, Argentina
A magnitude 5.4 earthquake struck 46 km NE of Chilecito, Argentina on Wed, Jul 29, 1987, 12:22 PM GMT-3 (15:22 UTC), 142 km (88 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mw), moderate
- Local time
- UTC
- 1987-07-29 15:22:33 UTC
- Depth
- 141.6 km (88.0 mi), intermediate-depth
- Epicenter
- 28.869° S, 67.150° W
- Region
- Argentina
- 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000371f (also filed as gcmtb072987b, gcmt19870729152233, iscgem463156). Read Tue, Sep 22, 2026, 8:29 AM UTC.