The April 7, 1958 earthquake
M6.8near Huslia, Alaska
A magnitude 6.8 earthquake 9.3 miles deep, centred in Yukon-Koyukuk Census Area. The 97th strongest in Alaska’s record since 1900, and the strongest within 50 miles in the catalogue, which runs from 1900.
The earthquake
- Magnitude
- 6.8
- moment magnitude (mw)
- Depth
- 9.3 mi
- 15.0 km below the surface
- Local time
- Monday, April 7, 1958
- 05:30 AST; 15:30 UTC
- In Alaska’s record
- 97th
- strongest of 124,625 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event iscgem884131 (“12 km N of Huslia, Alaska”). 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
- Yukon-Koyukuk Census AreaAK · inside
- Northwest Arctic BoroughAK · 34.4 mi
Earthquakes around the epicentre
194 earthquakes of magnitude 3 or more within 50 miles of this epicentre since 1973.
No earlier earthquake of magnitude 5 or more within 50 miles in the catalogue since 1900.
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.