The 1899 San Jacinto earthquake occurred on Christmas morning (December 25) at 04:25 local time in Southern California.

The estimated moment magnitude 6.7 earthquake had an epicenter located 10 miles southeast of San Jacinto.

This highly segmented, 210-km-long strike-slip fault that forms part of the boundary between the North American and Pacific plates.

The 1987 pair of temblors inflicted heavy damage to Westmorland, and indirectly killed two people outside Mexicali.

[4] The 1899 earthquake occurred on a segment of the San Jacinto Fault that also ruptured in a similar-sized quake in 1918.

The San Jacinto County Hospital was completely unrecognizable after many of its brick walls were torn off.

The Hemet Hotel suffered extensive damage and a veranda on the west wall was completely torn.

Brick structures suffered partial collapses while wood-constructed buildings shifted off their foundations.

The forest patrol thought the clouds were from a fire but when they arrived, a large fissure six feet wide and was formed.