The September 23, 1910 earthquake

M6.0Southwest of Cameron, Arizona

A magnitude 6.0 earthquake, centred in Coconino County. The 9th strongest in Arizona’s record since 1900, and the strongest within 50 miles since a magnitude 6.2 on January 25, 1906.

The earthquake

Magnitude: 6.0; surface-wave magnitude (ms)
Depth: —; Not recorded
Local time: Friday, September 23, 1910; 21:05 MST; 04:05 UTC on Sep 24, 1910
Epicentre: 35.69°N, 111.67°W; In Coconino County
In Arizona’s record: 9th; strongest of 6,972 since 1900
Within 50 miles: 2; counties; more on this date

USGS ANSS Comprehensive Earthquake Catalog, event flag19100924040500000 (“Southwest of Cameron, Arizona”). 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

Coconino CountyAZ · inside
Yavapai CountyAZ · 49.4 mi

Cities, largest first

FlagstaffAZ · 35.0 mi

Earthquakes around the epicentre

40 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

January 25, 1906M6.2

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