The April 11, 1917 earthquake

M5.1Western Nevada

A magnitude 5.1 earthquake, centred in Churchill County. The 78th strongest in Nevada’s record since 1900, and the strongest within 50 miles since a magnitude 6.8 on October 2, 1915.

The earthquake

Magnitude: 5.1; local magnitude (ml)
Depth: —; Not recorded
Local time: Wednesday, April 11, 1917; 10:59 PST; 18:59 UTC
Epicentre: 40.00°N, 118.00°W; In Churchill County
In Nevada’s record: 78th; strongest of 8,110 since 1900
Within 50 miles: 3; counties; more on this date

USGS ANSS Comprehensive Earthquake Catalog, event ushis611 (“Western Nevada”). 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

Churchill CountyNV · inside
Lander CountyNV · 24.3 mi
Pershing CountyNV · 24.3 mi

Earthquakes around the epicentre

63 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

October 2, 1915M6.8
October 2, 1915M6.0

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