The November 26, 1967 earthquake

M5.2near Derby, Colorado

A magnitude 5.2 earthquake 3.1 miles deep, centred in Adams County. The 4th strongest in Colorado’s record since 1900, and the strongest within 50 miles since a magnitude 5.5 on August 9, 1967.

The earthquake

Magnitude
5.2
body-wave magnitude (mb)
Depth
3.1 mi
5.0 km below the surface
Local time
Sunday, November 26, 1967
22:09 MST; 05:09 UTC on Nov 27, 1967
Epicentre
39.87°N, 104.88°W
In Adams County
In Colorado’s record
4th
strongest of 543 since 1900
Within 50 miles
15
counties; more on this date

USGS ANSS Comprehensive Earthquake Catalog, event ushis2979 (“4 km NE of Derby, Colorado”). 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

Cities, largest first

Earthquakes around the epicentre

4 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: 0 1974: 0 1975: 0 1976: 0 1977: 0 1978: 0 1979: 0 1980: 0 1981: 1 1 1982: 0 1983: 0 1984: 0 1985: 0 1986: 0 1987: 0 1988: 0 1989: 0 1990: 0 1991: 0 1992: 0 1993: 0 1994: 1 1995: 0 1996: 0 1997: 0 1998: 0 1999: 0 2000: 0 2001: 0 2002: 0 2003: 0 2004: 0 2005: 0 2006: 0 2007: 0 2008: 0 2009: 0 2010: 0 2011: 0 2012: 0 2013: 0 2014: 1 2015: 0 2016: 1 2017: 0 2018: 0 2019: 0 2020: 0 2021: 0 2022: 0 2023: 0 2024: 0 2025: 0 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.