M4.6 earthquake 8 km S of Estique, Peru
A magnitude 4.6 earthquake struck 8 km S of Estique, Peru on Mon, Aug 7, 1978, 8:43 PM GMT-5 (01:43 UTC), 149 km (93 mi) below the surface.
A larger quake followed: M5.0 50 km SE of Tacna, Peru. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1978-08-08 01:43:23 UTC
- Depth
- 149.0 km (92.6 mi), intermediate-depth
- Epicenter
- 17.619° S, 70.012° 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.
- Stations used
- 55
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayPeru earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000vyx. Read Wed, Sep 23, 2026, 5:04 AM UTC.