M4.9 earthquake 181 km WNW of Iñapari, Peru
A magnitude 4.9 earthquake struck 181 km WNW of Iñapari, Peru on Fri, Jul 28, 1978, 9:01 AM GMT-5 (14:01 UTC), 608 km (378 mi) below the surface.
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
- 1978-07-28 14:01:28 UTC
- Depth
- 608.0 km (377.8 mi), deep
- Epicenter
- 10.194° S, 71.043° W
- Region
- Peru
- 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
- Stations used
- 150
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 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 usp0000vu4. Read Wed, Sep 23, 2026, 2:36 AM UTC.