Significant earthquakes of 1968

August 14, 1968 Earthquake: Tambu,coast of Mapaga, Sulawesi, Indonesia

August 14, 1968 · M7.4 · 200 deaths · 800 houses destroyed

A magnitude 7.4 earthquake struck Tambu,coast of Mapaga, Sulawesi, Indonesia on August 14, 1968 at 22:14:19 UTC, 23 km below the surface. It killed 200 people, counting the tsunami it caused.

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 14, 1968
Time
22:14:19 UTC
Place
Tambu,coast of Mapaga, Sulawesi, Indonesia
Magnitude
7.4
Focal depth
23 km (14 mi)
Intensity
8 on the Modified Mercalli scale
Epicenter
0.200° N, 119.800° E
Country
Indonesia

The toll

Deaths
200 with its tsunami and other effects
Injuries
58 with its tsunami and other effects
Damage
Severe (about $5 to $25 million) with its tsunami and other effects
Houses destroyed
800 with its tsunami and other effects

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 #414:

1968, August 14. There was a strong earthquake off the northwestern coast of Sulawesi Island. In the region of Manimbaja Bay, between Tandjung, Manimbaja, and Sabang, Sulawesi, displacements along faults caused the coast to subside 2-3 m. A destructive tsunami arose.

[14.VIII; 22h14m21s; 0.2o S., 119.8o E.; M=7.4.]

Reference #1398:

0.7 N 119.8 E, 25 km depth, subsidence 2-3 m

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1968The 1900sEvery quake the USGS located in 1968Recent 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 4454.