The November 21, 1935 earthquake

M5.6near Volcano, Hawaii

A magnitude 5.6 earthquake, centred in Hawaii County. The 35th strongest in Hawaii’s record since 1900, and the strongest within 50 miles since a magnitude 5.6 on June 28, 1935.

The earthquake

Magnitude
5.6
as reported (fa)
Depth
—
Not recorded
Local time
Thursday, November 21, 1935
01:11 HST; 11:41 UTC
Epicentre
19.52°N, 155.52°W
In Hawaii County
In Hawaii’s record
35th
strongest of 39,637 since 1900
Within 50 miles
1
county; more on this date

USGS ANSS Comprehensive Earthquake Catalog, event ushis1120 (“30 km WNW of Volcano, 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

Earthquakes around the epicentre

7,238 earthquakes of magnitude 3 or more within 50 miles of this epicentre since 1973.

Earthquakes of magnitude 3 or more within 50 miles of the epicentre, by year 1973: 121 1974: 201 1975: 504 1976: 292 1977: 219 1978: 143 1979: 177 1980: 189 1981: 176 1982: 164 1983: 159 1984: 85 1985: 65 1986: 62 1987: 58 1988: 60 1989: 57 1990: 65 1991: 59 1992: 54 1993: 25 1994: 22 1995: 17 1996: 224 1997: 112 1998: 161 1999: 67 2000: 21 2001: 27 2002: 15 2003: 23 2004: 25 2005: 31 2006: 43 2007: 39 2008: 21 2009: 27 2010: 22 2011: 46 2012: 42 2013: 35 2014: 28 2015: 54 2016: 63 2017: 50 2018: 2,133 2,133 2019: 61 2020: 124 2021: 155 2022: 210 2023: 128 2024: 211 2025: 66 19731978198319881993199820032008201320182023

Earlier earthquakes of magnitude 5 or more within 50 miles, strongest first

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