The January 22, 1938 earthquake
M6.6near Wailua, Hawaii
A magnitude 6.6 earthquake 6.2 miles deep, 5.5 miles off Maui County. The 6th strongest in Hawaii’s record since 1900, and the strongest within 50 miles in the catalogue, which runs from 1900.
The earthquake
- Magnitude
- 6.6
- moment magnitude (mw)
- Depth
- 6.2 mi
- 10.0 km below the surface
- Local time
- Saturday, January 22, 1938
- 22:02 HST; 08:32 UTC on Jan 23, 1938
- In Hawaii’s record
- 6th
- strongest of 39,637 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event iscgem902340 (“10 km ENE of Wailua, Hawaii”). 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
- Maui CountyHI · 5.5 mi
- Hawaii CountyHI · 45.7 mi
Earthquakes around the epicentre
107 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
- March 19, 1926M6.0
- September 25, 1929M5.8
- June 4, 1904M5.6
- October 13, 1912M5.0
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.