Students use their hands to cover their heads during an earthquake drill at the Baclaran Elementary School Unit-1 in Paranaque city, metro Manila, Philippines June 21, 2016. (Photo by Romeo Ranoco/Reuters)





A student uses a book to cover her head during an earthquake drill at the Baclaran Elementary School Unit-1 in Paranaque city, metro Manila, Philippines June 21, 2016. (Photo by Romeo Ranoco/Reuters)





Rescuers carry mock victims acting as commuters of the Light Rail Transit (LRT) while crossing the train tracks during a metrowide simultaneous earthquake drill in metro Manila, Philippines June 22, 2016. (Photo by Romeo Ranoco/Reuters)





Light Rail Transit (LRT) mock passengers use their hands to cover their heads as they pass through a walkway beside the train tracks during a metrowide simultaneous earthquake drill in metro Manila, Philippines June 22, 2016. (Photo by Romeo Ranoco/Reuters)





Mock victims acting as Light Rail Transit (LRT) commuters take cover inside the passenger coach as they participate in a metrowide simultaneous earthquake drill in metro Manila, Philippines June 22, 2016. (Photo by Romeo Ranoco/Reuters)





A mock victim lay on a stretcher carried by rescuers during a metrowide simultaneous earthquake drill in metro Manila, Philippines June 22, 2016. (Photo by Romeo Ranoco/Reuters)





Light Rail Transit (LRT) mock passengers use their hands to cover their heads as they pass through a walkway beside the train tracks during a metrowide simultaneous earthquake drill in metro Manila, Philippines June 22, 2016. (Photo by Romeo Ranoco/Reuters)





Bus passengers look at a mock vehicle covered with debris, before the start of a metrowide earthquake drill along main highway EDSA in Makati, Metro Manila, Philippines June 22, 2016. (Photo by Erik De Castro/Reuters)





Filipino firemen extinguish a burning vehicle during an earthquake preparedness drill in Makati city, south of Manila, Philippines, 22 June 2016. Thousands of people participated in the Metro Manila earthquake drill to prepare residents of nearly 12 million for a feared magnitude-7.2 quake that could kill thousands and displace millions, Emerson Carlos head of the Metropolitan Manila Development Authority (MMDA) said. Philippines sits on the Pacific Ring of Fire, an area prone to seismic shifts that spark earthquakes and volcanic activity. (Photo by Francis R. Malasig/EPA)





Volunteers, acting as injured passengers of a taxi, lay on a pavement during an earthquake drill as part of the metro-wide quake drill in Manila on June 22, 2016. The drill is being implemented as part of the preparation for the so-called “big one”. The Philippines is regularly hit by quakes due to its location along the so-called chain of fire of islands of the Pacific Ocean that were created by volcanic activity. (Photo by Ted Aljibe/AFP Photo)





Bus passengers look out at a mock vehicle to be used in a simulated earthquake aftermath, before the start of a metrowide earthquake drill along main highway EDSA in Makati, Metro Manila, Philippines June 22, 2016. (Photo by Erik De Castro/Reuters)





Rescuers retrieve a mannequin (a simulated earthquake casualty) from a murky river, during a metrowide earthquake drill along main highway EDSA in Makati, Metro Manila, Philippines June 22, 2016. (Photo by Erik De Castro/Reuters)





A car burns to simulate an earthquake aftermath, during a metrowide earthquake drill along main highway EDSA in Makati, Metro Manila, Philippines June 22, 2016. (Photo by Erik De Castro/Reuters)





A taxi hangs beside a bridge to simulate an earthquake aftermath, during a metrowide earthquake drill along main highway EDSA in Makati, Metro Manila, Philippines June 22, 2016. (Photo by Erik De Castro/Reuters)





A girl cries beside her mother acting as a mock earthquake casualty during a metrowide earthquake drill along main highway EDSA in Makati, Metro Manila, Philippines June 22, 2016. (Photo by Erik De Castro/Reuters)





A car burns to simulate an earthquake aftermath during a metrowide earthquake drill along main highway EDSA in Makati, Metro Manila, Philippines June 22, 2016. (Photo by Erik De Castro/Reuters)





Rescuers carry a mock victim down the stairs of a Light Railway Transit System station during a metro-wide earthquake drill to test various government agencies’ response in Manila, Philippines on June 22, 2016. (Photo by Aaron Favila/AP Photo)