International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis

Earthquake Report
Base data
Event ID 1585241
Event time 2026-02-28 15:56:41 (UTC)
Local time 2026-02-28 21:56:41 - [It was night in the affected area.]
Last update 2026-02-28 15:56:41 (UTC)
Magnitude 3.5
Depth 78.9 km
Class Minor
Hypocenter Medium deep
Mercalli scale 1
Possible effects People do not feel any Earth movement.
Data status automatic
Data provider México SSN

Location
Continent North-America
Country Mexico
Administration area Chiapas
Nearest settlement San Jose el Hueyate (Barra de San Jose)
Distance 25 km
Course SW
Surface type underwater quake
Tsunami region North Pacific
Water surface name North Pacific Ocean

Overview map
Green circle [feel the Eq] 10 km, Orange circle 25 km, Yellow circle 75 km

Population map
Green circle [feel the seism activity] 10 km, Orange circle 25 km, Yellow circle 75 km

Risk Analisys
Nearest nuclear power plants
There is no known nuclear power plant nearby.
Nearest marine ports
Puerto Madero (35,52 km), Puerto Madero (35,52 km)
Nearest airports
Marte R. Gomez Airport (39,10 km), Marte R. Gomez Airport (39,10 km), Helimaz Chiapas (42,31 km), Helimaz Chiapas (42,31 km), Tapachula International Airport (43,82 km)
Nearest volcanoes
There is no known volcanoes nearby.
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.