The actual reports of a number of Quake Alarm™ activation records of different earthquakes in California:

Event #1
Date: January 17, 1994 Time: 4:30 a.m.
local Location: Northridge, California
Magnitude: 6.7
Location of Quake Alarm™ : Fontana, California
Report: The observer was awakened by the Quake Alarm™ and then the quake was felt. The quake continued for approximately ten seconds and then increased in strength for many more seconds. The distance from the earthquake center to the Quake Alarm™ was seventy miles.

Event #2
Date: February 19, 1995 Time: 4:03 GMT
Location: Ten miles west of Crescent City, California
Magnitude: 6.6
Location of Quake Alarm™ Felton, California (five miles north of Santa Cruz)
Report: The observers did not actually feel the earthquake, but the Quake Alarm™ did detect this event. The distance from the earthquake center to the Quake Alarm™ was 350 miles.

Event #3
Date: January 7, 1996 Time: 6:32 p.m.
local Location: Ten miles northwest of Ridgecrest, California
Magnitude: 5.2
Location of Quake Alarm™ :Fontana, California
Report: The observer did not feel any ground movement. The Quake Alarm™ chimed for about twenty seconds. The distance from the earthquake center to the Quake Alarm™ was 120 miles.

Event #4
Date: March 19, 1996 Time: 11:37 p.m.
local Location: Northridge, California
Magnitude: 4.1 (Aftershock to the Event #1 earthquake)
Location of Quake Alarm™ :Sunland, California and Fontana, California
Report: The observer in Sunland reported that the Quake Alarm™ chimed and that a moderate earthquake was felt. The observers in Fontana reported that the Quake Alarm™ awakened them, but no earthquake was felt. The distance from the earthquake center to the Quake Alarm™ in Sunland was twenty miles. The distance from the earthquake center to the Quake Alarm™ in Fontana was seventy miles.

Event #6
Date: October 16, 1999 Time: 2:46 a.m.
local Location: Thirty-two miles north of Joshua Tree, California
Magnitude: 7.1
Location of Quake Alarm™: Fontana, California
Report: The observers were awakened by the sound of the Quake Alarm™. They both reported that it was a few seconds before they noticed any movement and that the movement was very slight. Within a few seconds the shaking increased and after about ten seconds an abrupt change in intensity occurred which felt about two to three times more powerful. The Quake Alarm™ continued to chime throughout the duration of the earthquake. The distance from the earthquake center to the Quake Alarm™ was eighty-nine miles.