Earthquake recorded Why was the seismic alert not activated in Mexico City?

Seismic alert sounded in Mexico City after Veracruz earthquake

Seismic Alert activated in CDMX due to earthquake in Oaxaca magnitude 6.3

#SismoEnVeracruz - Seismic alert sounds in #CdMx: 5.7 quake with epicenter in Veracruz

#VIRAL: "Pinc$% earthquake": Reaction of a child in the middle of the earthquake in Mexico City

Seismic Alert is activated in #CDMX December 12, 2023

18 more microseisms have been registered in Mexico City

CDMX seismic alert is activated by mistake and Sheinbaum offers apology

#WHO alert for pandemic in Mexico

Seismic alert is activated by mistake and sounds in 851 sites in the CDMX

Seismic alert in CDMX was activated due to review process: Sheinbaum

National Drill 2023 to be held on September 19, 2023

Mexico beats Covid19's infection record for the third consecutive day

Seismic alert surprises capital city residents

EXACT MOMENT WHEN SEISMIC ALERT SOUNDS, September 22, 2022

Why Do Earthquakes Happen?