The February 10, 1989 earthquake
M5.2near Indian Springs, Nevada
A magnitude 5.2 earthquake 0.0 miles deep, centred in Nye County. The 66th strongest in Nevada’s record since 1900, and the strongest within 50 miles since a magnitude 5.5 on June 25, 1986. 1 aftershock of magnitude 2.5 or more followed within 30 days.
The earthquake
- Magnitude
- 5.2
- body-wave magnitude (mb)
- Depth
- 0.0 mi
- 0.0 km below the surface
- Local time
- Friday, February 10, 1989
- 12:06 PST; 20:06 UTC
- In Nevada’s record
- 66th
- strongest of 8,110 since 1900
USGS ANSS Comprehensive Earthquake Catalog, event usp0003rrz (“63 km NNW of Indian Springs, Nevada”). The USGS event page carries the ShakeMap, felt reports and the official summary.
Aftershocks
Earthquakes of magnitude 2.5 or more within 20 miles of the epicentre in the 30 days after.
1
Aftershocks in 30 days
3.7
Largest aftershock, Mar 9, 1989
0
On the first day
0
In the 7 days before
- The search radius is the surface rupture length expected for an earthquake of this magnitude (Wells and Coppersmith, 1994), at least 20 and at most 600 miles, so a great earthquake's sequence is counted along its whole fault.
Counties and cities within 50 miles
Distance from the epicentre to each county boundary (zero when inside) and to each city centre.
Counties
- Nye CountyNV · inside
- Lincoln CountyNV · 17.2 mi
- Clark CountyNV · 17.2 mi
Earthquakes around the epicentre
206 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
- February 28, 1975M5.7
- April 2, 1985M5.7
- June 25, 1986M5.5
- March 26, 1983M5.1
- December 10, 1988M5.0
USGS ANSS Comprehensive Earthquake Catalog. Local time is the time zone of the county nearest the epicentre. Magnitudes are as the catalogue reports them.