The November 26, 1976 earthquake

M5.0near Likely, California

A magnitude 5.0 earthquake 3.1 miles deep, centred in Lassen County. The 451st strongest in California’s record since 1900, and the strongest within 50 miles since a magnitude 5.2 on June 18, 1937.

The earthquake

Magnitude: 5.0; body-wave magnitude (mb)
Depth: 3.1 mi; 5.0 km below the surface
Local time: Friday, November 26, 1976; 18:49 PST; 02:49 UTC on Nov 27, 1976
Epicentre: 41.00°N, 120.45°W; In Lassen County
In California’s record: 451st; strongest of 97,065 since 1900
Within 50 miles: 4; counties; more on this date

USGS ANSS Comprehensive Earthquake Catalog, event usp0000kgp (“26 km S of Likely, California”). The USGS event page carries the ShakeMap, felt reports and the official summary.

Counties and cities within 50 miles

Distance from the epicentre to each county boundary (zero when inside) and to each city centre.

Counties

Lassen CountyCA · inside
Modoc CountyCA · 26.6 mi
Shasta CountyCA · 46.0 mi
Plumas CountyCA · 49.7 mi

Cities, largest first

SusanvilleCA · 40.1 mi

Earthquakes around the epicentre

45 earthquakes of magnitude 3 or more within 50 miles of this epicentre since 1973.

Earlier earthquakes of magnitude 5 or more within 50 miles, strongest first

June 18, 1937M5.2

USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.