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At a Glance Thirteen people are dead and 15 injured after a government helicopter surveying the damage crashed.

All of the casualties were on the ground.

Mexico's Interior Secretary Alfonso Navarrete and Oaxaca state Gov. Alejandro Murat were unharmed in the crash.

A 7.2 magnitude earthquake that hit near the Mexican coast was so powerful that its impact was felt in Mexico City.

A military helicopter surveying damage following Friday's 7.2-magnitude earthquake in southeastern Mexico crashed Friday, killing 13 people and injuring 15, all on the ground, the prosecutor's office says.

Five women, four men and three children were killed at the site near the city of Pinotepa Nacional in the southern state of Oaxaca. Another person died at the hospital, the Associated Press reports.

Mexico's Interior Secretary Alfonso Navarrete and Oaxaca state Gov. Alejandro Murat were unharmed in the crash. The two were part of a mission to survey damage reports following Friday's quake.

According to a government official that was not authorized to be quoted, the Blackwater helicopter crashed into a group of people that were forced from their homes for fear of collapse and were sleeping in a field.

The helicopter was attempting to land in a nearby vacant lot when the crash occurred.

<img class="styles__noscript__2rw2y" src="https://dsx.weather.com/util/image/w/216mexico1.jpg?v=at&w=485&h=273&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0" srcset="https://dsx.weather.com/util/image/w/216mexico1.jpg?v=at&w=485&h=273&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0 400w, https://dsx.weather.com/util/image/w/216mexico1.jpg?v=ap&w=980&h=551&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0 800w" > Here's what we know about Friday's earthquake. "The moment the helicopter touched down it lost control, it slid — like it skidded — and it hit some vehicles that were stationed in the area," Jorge Morales, a local reporter who was aboard the helicopter when it crashed, told a Mexican television news program. "In that moment, you couldn't see anything, nothing else was heard beside the sound that iron makes when it scrapes the earth."

(MORE: Last Body Recovered from Rubble of Mexico's Magnitude 7.1 Quake )

The quake that struck at 5:29 p.m. local time Friday was located near the coast 23 miles northeast of Pinotepa in the southern state of Oaxaca and was felt in Mexico City, where jittery people still shook up after a deadly earthquake in September fled swaying buildings and office towers, AP reports.

The temblor had a depth of 15 miles. The Oaxaca state civil protection agency said via Twitter that it was monitoring the coastline .

“It was awful,” Mercedes Rojas Huerta, who lives in Mexico City’s trendy Condesa district, told the Associated Press. “It started to shake; the cars were going here and there. What do I do?”

About 50 homes sustained significant damage in Santiago Jamiltepec, along with some damage to the city hall and main church, AP reports. More than 1 million were without electricity after the quake but restored power was expected by the end of the day Saturday.

In September, a magnitude 7.1 earthquake struck central Mexico, killing 228 people dead in the capital and 369 across the region. Many buildings in Mexico City remain damaged following that quake.

According to the National Seismological Service in Mexico, Oaxaca is one of the country's most earthquake-prone states, registering approximately 25 percent of all its quakes.