Significant earthquakes of 1987

November 24, 1987 Earthquake: Superstition Hills, California, United States

November 24, 1987 · M6.2 · 2 deaths · $3 million

A magnitude 6.2 earthquake struck Superstition Hills, California, United States on November 24, 1987 at 01:54:14 UTC, 5 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
November 24, 1987
Time
01:54:14 UTC
Place
Superstition Hills, California, United States
Magnitude
6.2 (Ms)
Focal depth
5 km (3 mi)
Intensity
6 on the Modified Mercalli scale
Tsunami
None recorded
Epicenter
33.082° N, 115.775° W

The toll

Deaths
2
Damage
$3 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.

What the record says

NCEI’s account, from the sources it cites.

Two earthquakes on Nov. 24, at 0154 and 1315 UTC caused an estimated $3 million damage in Imperial County. (reference #542)

Two people were killed in an earthquake-related automobile accident about 80 km east of Mexicali, Mexico. (reference #1053)

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 5148.