The Mexican Seismic Alert System (Spanish: Sistema de Alerta Sísmica Mexicano or SASMEX) is the earthquake warning system covering portions of central...

warning systems. Other countries and regions have limited deployment of earthquake warning systems, including Mexico (the Mexican Seismic Alert System covers...

part of the Mexican Seismic Alert System (SASMEX). From the 1960s to the 1980s, a special feature of the NOAA Weather Radio (NWR) system was the transmission...

cases of URL hijacking J-Alert (Japan) Local Access Alert Mexican Seismic Alert System (Mexico's Earthquake Early Warning System, which also employs Specific...

which also implements the Mexican Seismic Warning System. Some Mexican alert radios also support activation by a two-tone alert for another type of risk...

are two distinct types of tsunami warning systems: international and regional. When operating, seismic alerts are used to instigate the watches and warnings;...

the Seismic Sea Wave Warning System covered only the Hawaiian Islands and was limited to teletsunamis (distant events), using data from 4 seismic stations...

seismic energy release per unit volume. In its most general sense, the word earthquake is used to describe any seismic event that generates seismic waves...

surrounding hills. The Pacific Tsunami Warning System is based in Honolulu, Hawaiʻi. It monitors Pacific Ocean seismic activity. A sufficiently large earthquake...

(USGS) adopted a nationwide alert system for characterizing the level of unrest and eruptive activity at volcanoes. The system is now used by the Alaska...