September 21, 1993 Earthquake: Klamath Falls, Oregon, United States

Name: September 21, 1993 Earthquake: Klamath Falls, Oregon, United States
Start: 1993-09-21
Location: Klamath Falls, Oregon, United States

September 21, 1993 · M6 · 2 deaths · $7.5 million

A magnitude 6 earthquake struck Klamath Falls, Oregon, United States on September 21, 1993 at 03:28:55 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: September 21, 1993
Time: 03:28:55 UTC
Place: Klamath Falls, Oregon, United States
Magnitude: 6 (Mw)
Focal depth: 11 km (7 mi)
Intensity: 7 on the Modified Mercalli scale
Tsunami: None recorded
Epicenter: 42.314° N, 122.012° W
Country: United States

The toll

Deaths: 2
Damage: $7.5 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.

Other significant earthquakes nearby

Within 200 km, the deadliest first.

November 23, 1873, Northern, California, United StatesM6.7 · 168 km

Significant earthquakes of 1993 The 1900s Every quake the USGS located in 1993 Recent earthquakes near here This 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 5363.