Quake drill in Los Angeles

Quake drill in Los Angeles

LOS ANGELES, United States - Participants hide under a table as the "ShakeOut" earthquake drill is held at the subway's Union Station in Los Angeles, California, on Oct. 18, 2012.

Quake drill in Los Angeles

Quake drill in Los Angeles

LOS ANGELES, United States - Participants evacuate from a train as the "ShakeOut" earthquake drill is held in Los Angeles, California, on Oct. 18, 2012.

Large-scale quake drill in California

Large-scale quake drill in California

LOS ANGELES, United States - People take part in an earthquake drill at a supermarket in Los Angeles on Oct. 20, 2011. Some 8.6 million people participated in major exercises, dubbed the ''Shakeout,'' in California, including Los Angeles and San Francisco, which simulated a magnitude 7.8 temblor hitting the state.

Kyoto cities hold 'ShakeOut' quake drill

Kyoto cities hold 'ShakeOut' quake drill

Employees and others evacuate from a large shopping mall in Kyoto, western Japan, during a "ShakeOut" earthquake drill on March 11, 2015. About 166,000 people were registered in advance for the drill held jointly by the cities of Kyoto and Muko. (Kyodo) ==Kyodo

'ShakeOut' quake drill held at food court in Kyoto

'ShakeOut' quake drill held at food court in Kyoto

Employees of food court restaurants at a shopping mall in Kyoto, western Japan, shelter themselves by getting under tables in an earthquake drill called "ShakeOut" on March 11, 2015. (Kyodo) ==Kyodo

Large-scale quake drill in California

Large-scale quake drill in California

LOS ANGELES, United States - People take part in an earthquake drill at a supermarket in Los Angeles on Oct. 20, 2011. Some 8.6 million people participated in major exercises, dubbed the ''Shakeout,'' in California, including Los Angeles and San Francisco, which simulated a magnitude 7.8 temblor hitting the state. (Kyodo)