Significant earthquakes of 1992

September 2, 1992 Earthquake: Masachapa, Costa Rica, Nicaragua

September 2, 1992 · M7.6 · 170 deaths · $30 million · 1,500 houses destroyed

A magnitude 7.6 earthquake struck Masachapa, Costa Rica, Nicaragua on September 2, 1992 at 00:16:03 UTC, 30 km below the surface. It killed 170 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
September 2, 1992
Time
00:16:03 UTC
Place
Masachapa, Costa Rica, Nicaragua
Magnitude
7.6 (Mw)
Focal depth
30 km (19 mi)
Epicenter
11.500° N, 87.609° W
Country
Nicaragua

The toll

Deaths
Few (about 1 to 50); 170 with its tsunami and other effects
Injuries
489 with its tsunami and other effects
Damage
$30 million with its tsunami and other effects
Houses destroyed
1,500 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.

1992, Sept 2. At least 116 people killed, more than 68 missing and over 13,500 left homeless in Nicaragua. At least 1,300 houses and 185 fishing boats were destroyed along the west coast of Nicaragua. Total damage in Nicaragua is estimated at between 20 and 30 million U.S. dollars. Some damage was also reported in Costa Rica. Most of the casualties and damage were caused by a tsunami affecting the west coasts of Nicaragua and Costa Rica, reaching heights of up to 8 meters. (reference #1053)

1992, Sept 2. 179 deaths, $25 million damage. (reference #1250)

1992, Sept 2, 00:16:02.75 UTC. 11.727 N, 87.386 W, 39.9 km. 7.7 Ms HRV, 7.2 Ms ISC, 7.2 Ms NEIC, 7.4 Ms BRK, 5.4 mb ISC, 5.3 mb NEIC. (reference #9910)

1992, Sept 2, 00:16:03.34 UTC. 11.5 N, 87.609 W, 30 km. 7.63 Mw. (reference #10476, version 9)

Photos

From the NCEI/WDS Natural Hazards Image Database (doi:10.7289/V5154F01). Only photos by the USGS and NOAA, which are public domain, are shown.

Foundations of Damaged Buildings
Foundations of Damaged Buildings Structures along the beach of Popoyo reduced to foundations following the tsunami. Photo: Harry Yeh, University of Washington, NOAA National Centers for Environmental Information.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1992The 1900sEvery quake the USGS located in 1992Recent 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 5335.