6 ms·
Info on how ShakeAlert works: https://twitter.com/USGS_ShakeAlert/status/1584983600378032128 https://twitter.com/USGS_ShakeAlert/status/15849836003780321...
by daveaiello 4y ago
Info on how ShakeAlert works: https://twitter.com/USGS_ShakeAlert/status/1584983600378032128 https://twitter.com/USGS_ShakeAlert/status/15849836003780321...