Significant earthquakes of 1946

November 10, 1946 Earthquake: Jocaibamba,cerro Angaschaj,cerro Sillapata, Peru

November 10, 1946 · M7.3 · 800 deaths

A magnitude 7.3 earthquake struck Jocaibamba,cerro Angaschaj,cerro Sillapata, Peru on November 10, 1946 at 17:42:00 UTC, 12 km below the surface. It killed 800 people.

Map

Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.

The earthquake

Date
November 10, 1946
Time
17:42:00 UTC
Place
Jocaibamba,cerro Angaschaj,cerro Sillapata, Peru
Magnitude
7.3
Focal depth
12 km (7 mi)
Intensity
11 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
8.500° S, 77.500° W
Country
Peru

The toll

Deaths
800
Damage
Severe (about $5 to $25 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.

What the record says

NCEI’s account, from the sources it cites.

Reference #45 lists epicenter 8.5 S, 77.5 W, magnitude 7.3, 800 deaths, severe damage.

Reference #1220 lists epicenter 8.3 S, 77.6 W, magnitude 7.2, MMI XI.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1946The 1900sEvery quake the USGS located in 1946Recent earthquakes near hereThis day in weather history

Sources

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 3839.