Dwayne "The Rock" Johnson and Carla Gugino star in the action thriller San Andreas. Jasin Boland /Courtesy of Warner Bros. Pictures hide caption

itoggle caption Jasin Boland /Courtesy of Warner Bros. Pictures

A woman in Kathmandu walks past rubble following several massive earthquakes in Nepal. Officials say at least 76 people died in Tuesday's magnitude-7.3 quake. Jonas Gratzer/Getty Images hide caption

itoggle caption Jonas Gratzer/Getty Images

A young girl sits on her luggage as she waits in a long line with her family, hoping to board buses provided by the government to return to their homes outside Kathmandu. Diego Azubel/EPA /LANDOV hide caption

itoggle caption Diego Azubel/EPA /LANDOV

An elderly Japanese woman carries water past a home destroyed several days earlier on Jan. 17, 1995, by a powerful earthquake centered in Kobe, Japan. More than 6,000 people were killed and destruction was widespread, but the city was rapidly rebuilt. Lois Bernstein/AP hide caption

itoggle caption Lois Bernstein/AP

(Left) Nepalese devotees participating in a procession of chariots of god and goddess Ganesh, Kumari and Bhairav during the last day of the Indrajatra festival at Durbar Square in Kathmandu, Nepal, on Sept. 22, 2013. (Right) The ruins on the Durbar Square after an earthquake in Kathmandu on Saturday. Sunil Sharma/Xinhua/Landov hide caption

itoggle caption Sunil Sharma/Xinhua/Landov

A woman and child rest in the open outside a destroyed building Sunday, a day after a major earthquake leveled homes in Kumalpur village on the outskirts of Kathmandu, Nepal. Nine people reportedly died in the small village, including four children. Narendrea Shrestha/EPA/Landov hide caption

itoggle caption Narendrea Shrestha/EPA/Landov

Austin Holland, research seismologist at the Oklahoma Geological Survey, gestures to a chart of Oklahoma earthquakes in June 2014 as he talks about recent earthquake activity at his offices at the University of Oklahoma in Norman, Okla. The state had three times as many earthquakes as California last year. Sue Ogrocki/AP hide caption

itoggle caption Sue Ogrocki/AP

The badly damaged Christchurch Cathedral is pictured on Sept. 7, 2011 during a tour given to foreign journalists visiting the city ahead of the rugby 2011 World Cup. England rugby manager Martin Johnson and several members of the playing squad visited the city to see the stadium and the city center which were damaged by an earthquake in February. Paul Ellis/AFP/Getty Images hide caption

itoggle caption Paul Ellis/AFP/Getty Images

A functioning oil rig sits in front of the capital building in Oklahoma City, Okla. The oil industry is an important employer in the state, but officials are concerned a technique used to dispose of wastewater from oil extraction is behind a surge in earthquakes here. Frank Morris/KCUR hide caption

itoggle caption Frank Morris/KCUR

In a project called "Natural Frequencies," the bells in the Campanile on the University of California, Berkeley campus were recently programmed to play a score composed in real time by the seismic shifts taking place along the Hayward fault. Eric Risberg/AP hide caption

itoggle caption Eric Risberg/AP

Rescuers carry an injured child on a stretcher after a 6.1 magnitude earthquake hit the area in southwest China's Yunnan province. The quake reportedly collapsed thousands of buildings when it struck Sunday afternoon. AFP/Getty Images hide caption

itoggle caption AFP/Getty Images