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Person

Grace A Parker

Research Geophysicist (Mendenhall)
Email: gparker@usgs.gov
Office Phone: 650-439-2609
ORCID: 0000-0002-9445-2571

Location
345 Middlefield Rd
ShakeAlert, the earthquake early warning (EEW) system for the West Coast of the United States, attempts to provides crucial warnings before strong shaking occurs. However, because the alerts are triggered only when an earthquake is already in progress, and the alert latencies and delivery times are platform dependent, the time between these warnings and the arrival of shaking is variable. The ShakeAlert system uses, among other public alerting platforms like Google Android operating system and smartphone apps, the Federal Emergency Management Agency Integrated Public Alert & Warning System (IPAWS). IPAWS sends Wireless Emergency Alerts (WEAs) informing people via their smartphones and other mobile devices about...
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