Significant earthquakes of 1987

April 25, 1987 Earthquake: N, Tarutung-Lake Toba,, Sumatera, Indonesia

April 25, 1987 · M6.6 · 2 deaths · $1 million · 300 houses destroyed

A magnitude 6.6 earthquake struck N, Tarutung-Lake Toba,, Sumatera, Indonesia on April 25, 1987 at 19:22:07 UTC, 11 km below the surface. It killed 2 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
April 25, 1987
Time
19:22:07 UTC
Place
N, Tarutung-Lake Toba,, Sumatera, Indonesia
Magnitude
6.6 (Ms)
Focal depth
11 km (7 mi)
Tsunami
None recorded
Epicenter
2.244° N, 98.866° E
Country
Indonesia

The toll

Deaths
2
Injuries
22
Damage
$1 million
Houses destroyed
300

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 #1250 lists $1 million damage.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1987The 1900sEvery quake the USGS located in 1987Recent 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 5134.