Notable Earthquake of the Week
Loyalton, California M 5.8 Earthquake
On April 1, 1959, an earthquake measuring M 5.8 occurred in along the California/Nevada border north of Truckee, near Loyalton. The quake was centered between Loyalton and Border Town, Nevada, along the northern margin of the Bald Mountain Range at Burma Summit. It was centered along the southern portion of the prominent Lassen Peak-Almanor-Mohawk fault zone, a broad set of northwest-trending oblique-slip faults along the northeastern margin of the Sierra geologic province.

Shaking was most vigorous at Loyalton where several chimneys were thrown to the ground, windows were shattered, and walls were cracked.

The quake was felt over a wide area of Northeastern California and northwestern Nevada.


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