ShakeAlertLA
City of Los Angeles
MyShake
UC Berkeley Seismological Laboratory
ShakeNet Earthquake Monitoring
Raspberry Shake
SkyAlert: Alerta Sísmica
SkyAlert
Earthquake Network PRO
Futura Innovation SRL
Earthquake Network
My Earthquake Alerts Pro
jRustonApps B.V.
Safety tips
RC Solution Co.
Disaster Alert
Pacific Disaster Center
FloodAlert Waterlevel Alerts
SOBOS GmbH