Alert Thresholds for ShakeAlert

Alert Thresholds for ShakeAlert Message delivery

Detailed Description

Alert Delivery Thresholds used by ShakeAlert partners - The USGS issues ShakeAlert Messages but delivery of alerts will come by other public and private means (internet, radio, television, cellular), including Wireless Emergency Alerts (WEA)  delivered by FEMA’s Integrated Public Alert and Warning System (IPAWS).


Image Dimensions: 3721 x 2391

Date Taken:

Location Taken: US