Biggest Earthquake to Strike Mexico in a Century Kills at Least 16

Biggest Earthquake to Strike Mexico in a Century Kills at Least 16

Besides Mexico, EL Salvador, Guatemala, Nicaragua, Costa Rica, Honduras and Panama were on alert for the tidal waves.

People in Mexico City ran out into the streets in pyjamas and alarms sounded after the quake struck just before midnight, a Reuters witness said.

A tsunami has been confirmed in Mexico, with one wave topping off at about three feet, according to a tweet from the National Weather Service.

Earthquake, in particular, has affected the States of Oaxaca, Chiapas and Tabasco; serious damage was caused to the city of juchitan de Zaragoza in Oaxaca.

NOAA reported a tsunami off the coast of Mexico after the quake struck.

President Enrique Peña Nieto announced a state of emergency in Chiapas and warned residents a strong aftershock is likely within the next 24 hours that could cause a "minor degree" of damage.

At least 61 people have died in Mexico after the country was struck by its most powerful natural disaster in a century.

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The quake was strong enough to be felt in Mexico City, 630 miles to the northwest.

The USGS says there have been more than thirty aftershocks, ranging from 4.2 to 5.7 in magnitude. The U.S. Geological Survey measured it at 8.1 magnitude.

At least 45 people were killed in Oaxaca state, Mexico's Civil Protection National Coordinator said on Twitter.

"Based on all available data ... widespread hazardous tsunami waves are forecast for some coasts", the Pacific Tsunami Warning Center said.

"Power was cut at least briefly to more than 1.8 million people and Mexican authorities closed schools Friday in at least 11 states to check them for safety", the Associated Press reported. "There is damage to hospitals that have lost energy", Chiapas Gov. Manuel Velasco said, according to the AP. At least one person also died in Guatemala.

Mexico is also facing threat from Hurricane Katia, which is expected to hit its eastern coast.