Significant earthquakes of 1978

August 3, 1978 Earthquake: Copiapo-Taltai, Northern, Chile

August 3, 1978 · M7

A magnitude 7 earthquake struck Copiapo-Taltai, Northern, Chile on August 3, 1978 at 18:11:17 UTC, 58 km below the surface.

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
August 3, 1978
Time
18:11:17 UTC
Place
Copiapo-Taltai, Northern, Chile
Magnitude
7 (mb)
Focal depth
58 km (36 mi)
Intensity
9 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
26.510° S, 70.540° W
Country
Chile

The toll

Injuries
13
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.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1978The 1900sEvery quake the USGS located in 1978Recent 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 4812.