Notable Idaho Earthquakes

Richter line graphic

A chronological list of Idaho earthquakes, magnitude 6 and over.

Date	Location	Magnitude
November 10, 1884	Bear Lake	6.3
October 6, 1909	Northern Utah	6.0
May 13, 1916	Central Idaho (location uncertain)	6.0
March 12, 1934	Northern Utah	6.6
March 12, 1934	Northern Utah	6.0
July 12, 1944	15 Miles from Stanley	6.1
February 14, 1945	28 Miles from Stanley	6.0
November 23, 1947	58 Miles from Bozeman, MT	6.2
August 18, 1959	Hegben Lake, MT (earthquake)	7.5
August 18, 1959	Hegben Lake, MT (aftershock)	6.5
August 18, 1959	Hegben Lake, MT (aftershock)	6.0
August 18, 1959	Hegben Lake, MT (aftershock)	6.3
August 19, 1959	Hegben Lake, MT (aftershock)	6.0
March 28, 1975	56 Miles from Pocatello	6.0
October 28, 1983	Borah Peak, near Challis	7.3

Serving Ada County, Ada County Highway District, Boise, Eagle, Garden City, Kuna, Meridian, & Star.