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The November 21, 1910 earthquake

M5.5Near Tonopah Junction, Nevada

A magnitude 5.5 earthquake, centred in Esmeralda County. The 37th strongest in Nevada’s record since 1900, and the strongest within 50 miles since a magnitude 6.1 on November 21, 1910.

The earthquake

Magnitude
5.5
as reported (mint)
Depth
—
Not recorded
Local time
Monday, November 21, 1910
22:05 PST; 06:05 UTC on Nov 22, 1910
Epicentre
38.00°N, 118.00°W
In Esmeralda County
In Nevada’s record
37th
strongest of 8,110 since 1900
Within 50 miles
5
counties; more on this date

USGS ANSS Comprehensive Earthquake Catalog, event ushis516 (“Near Tonopah Junction, 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

Earthquakes around the epicentre

2,030 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: 2 1974: 9 1975: 8 1976: 17 1977: 3 1978: 57 1979: 22 1980: 184 1981: 29 1982: 37 1983: 17 1984: 64 1985: 21 1986: 363 1987: 22 1988: 17 1989: 6 1990: 12 1991: 17 1992: 18 1993: 10 1994: 4 1995: 8 1996: 5 1997: 59 1998: 16 1999: 10 2000: 35 2001: 15 2002: 8 2003: 13 2004: 63 2005: 14 2006: 14 2007: 14 2008: 7 2009: 6 2010: 4 2011: 66 2012: 3 2013: 21 2014: 8 2015: 5 2016: 11 2017: 3 2018: 4 2019: 6 2020: 538 538 2021: 63 2022: 29 2023: 21 2024: 12 2025: 10 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.