Significant earthquakes of 1987

September 22, 1987 Earthquake: Ambato, Latacunga, Riobamba, Ecuador

September 22, 1987 · M6.2 · 2 deaths

A magnitude 6.2 earthquake struck Ambato, Latacunga, Riobamba, Ecuador on September 22, 1987 at 13:43:37 UTC, 10 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
September 22, 1987
Time
13:43:37 UTC
Place
Ambato, Latacunga, Riobamba, Ecuador
Magnitude
6.2 (Ms)
Focal depth
10 km (6 mi)
Tsunami
None recorded
Epicenter
0.978° S, 78.050° W
Country
Ecuador

The toll

Deaths
2
Injuries
12
Damage
Moderate (about $1 to $5 million)
Houses destroyed
Many (101 to 1,000)

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 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 5142.