The May 4, 1939 earthquake
M5.0near Boulder City, Nevada
A magnitude 5.0 earthquake, centred in Clark County. The 96th strongest in Nevada’s record since 1900, and the strongest within 50 miles in the catalogue, which runs from 1900.
The earthquake
- Magnitude
- 5.0
- local magnitude (ml)
- Depth
- —
- Not recorded
- Local time
- Thursday, May 4, 1939
- 12:44 PST; 20:44 UTC
- In Nevada’s record
- 96th
- strongest of 8,110 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event ushis1247 (“1 km SE of Boulder City, 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
- Clark CountyNV · inside
- Mohave CountyAZ · 4.3 mi
- San Bernardino CountyCA · 47.8 mi
- Inyo CountyCA · 47.8 mi
Cities, largest first
- Las VegasNV · 31.0 mi
- HendersonNV · 12.1 mi
- North Las VegasNV · 27.0 mi
- Boulder CityNV · 10.0 mi
Earthquakes around the epicentre
46 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.