M7.7 earthquake 50 km N of Sandia, Peru
A magnitude 7.7 earthquake struck 50 km N of Sandia, Peru on Thu, Aug 15, 1963, 12:25 PM GMT-5 (17:25 UTC), 550 km (342 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 7.7 (Mw, moment), major
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1963-08-15 17:25:09 UTC
- Depth
- 550.0 km (341.8 mi), deep
- Epicenter
- 13.866° S, 69.414° W
- Region
- Peru
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Deaths and damage
From NOAA NCEI’s Significant Earthquake Database (record 4300), matched to this event by time and place.
- Damage
- Limited (under about $1 million)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 1.1% of gravity
- Peak ground velocity
- 0.6 cm/s
- Map
- Automatic
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
- ±0.10
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 4.7 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 iscgem17294122. Read Thu, Oct 1, 2026, 11:41 AM UTC.