--- title: 143 Million Americans Are Now Living in Earthquake Zones description: 143 million Americans in the Lower 48 states are at risk of experiencing an earthquake, scientists claimed on Wednesday. canonical: https://time.com/3832609/science-earthquakes-research-143-million-americans-u-s-america-fema/ author: Kevin McSpadden article:opinion: false article:content_tier: free article:published_time: 2015-04-23T09:22:04.000Z article:modified_time: 2026-05-11T05:04:26.130Z article:section: Science og:title: 143 Million Americans Are Now Living in Earthquake Zones og:description: Nearly 20,000 schools may be exposed to ground shaking og:url: https://time.com/3832609/science-earthquakes-research-143-million-americans-u-s-america-fema/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blte0b2f821f255310d/6987ec7735ba6f67cfc0b039/california-earthquake-usa-study.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 3500 og:image:height: 1969 og:image:alt: A youngster walks past a parking structure that collapsed during Sunday's 6.0 earthquake in Napa, California August 25, 2014 og:type: article twitter:card: summary_large_image twitter:title: 143 Million Americans Are Now Living in Earthquake Zones twitter:description: Nearly 20,000 schools may be exposed to ground shaking twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blte0b2f821f255310d/6987ec7735ba6f67cfc0b039/california-earthquake-usa-study.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # 143 Million Americans Are Now Living in Earthquake Zones, Scientists Say > Sponsored content. 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Future Proof is free at time.com/newsletters. by [Kevin McSpadden](https://time.com/author/kevin-mcspadden/) ## Kevin McSpadden Apr 23, 2015 9:22 AM UTC  A youngster walks past a parking structure that collapsed during Sunday's 6.0 earthquake in Napa, California August 25, 2014 A youngster walks past a parking structure that collapsed during Sunday's 6.0 earthquake in Napa, California August 25, 2014 Robert Galbraith—Reuters by [Kevin McSpadden](https://time.com/author/kevin-mcspadden/) ## Kevin McSpadden Apr 23, 2015 9:22 AM UTC Some 143 million Americans in the Lower 48 states are at risk of experiencing an [earthquake](http://time.com/wp-content/uploads/2015/04/ssa%5F2015%5Fearthquakethreat%5Fpress%5Frelease.pdf) — with 28 million being in danger of “strong shaking,” scientists claimed on Wednesday. In a press release, researchers attributed the record numbers to both population migration, with ever more people moving to earthquake hot-zones on the West Coast, and a “change in hazard assessments.” The data nearly doubles the 1994 FEMA estimation of 75 million Americans who could potentially experience tremors during their lifetime, according to a collaborative study from researchers at the United States Geological Survey, FEMA and the California Geological Survey. The new report also calculated the potential financial loss from damages to buildings like schools, hospitals and fire stations. They said the average long-term cost is $4.5 billion per year with 80% of total being concentrated in California, Oregon and Washington. “While the West Coast may carry the larger burden of potential losses and the greatest threat from the strongest shaking, this report shows that the threat from earthquakes is widespread,” said Kishor Jaiswal, the researcher who presented the findings. Researchers identified 6,000 fire stations, 800 hospitals and nearly 20,000 schools throughout the Lower 48 they deemed “may be exposed to strong ground motion from earthquakes.” ### See the Most Insane Natural Disasters of 2014  Polar Vortex The U.S. side of Niagara Falls is pictured in Niagara Falls, N.Y. on Jan. 8, 2014\. The frigid air and "polar vortex" affected about 240 million people in the United States and southern Canada. Aaron Harris—Reuters  California Drought A car sits in dried and cracked earth of what was the bottom of the Almaden Reservoir in San Jose, Calif. on Jan. 28, 2014. Justin Sullivan—Getty Images  China Smog Tourists walk on the promenade along the bank of the West Lake in heavy smog in Hangzhou city, east China Zhejiang province on Jan. 31, 2014. Zhejiang Daily/Imaginechina/AP  Washington Mudslide A massive mudslide killed at least eight people and left dozens missing in Arlington, Wash., March 24, 2014. Ted S. Warren—AP  Chile Earthquake A rescue worker inspects a car caught under a landslide after an 8.2 magnitude earthquake and tsunami hit the northern port of Iquique, Chile on April 2, 2014. Cristian Vivero—Reuters  Arkansas Tornado Aerial view of the central town after a tornado hit Vilonia, Ark., April 28, 2014. Carlo Allegri—Reuters  Afghanistan Mudslide An aerial view shows the site of a landslide that buried Abi Barik village in Badakhshan province, northeastern Afghanistan, May 5, 2014\. Hundreds of people were killed and 700 families displaced. Rahmat Gul—AP  Southern California Wildfires A house is consumed by wildfire in San Marcos, Calif. on May 14, 2014\. About 500 acres have burned in the San Marcos blaze, fueled by record heat, high winds and dry conditions. At least four other fires advanced in nearby communities. Bill Wechter—Getty Images  Balkan Floods A Serbian army soldier rows a boat as he searches for people to be evacuated in the town of Obrenovac, southwest of Belgrade, Serba on May 16, 2014\. The heaviest rains and floods in 120 years have hit Bosnia and Serbia. Marko Djurica—Reuters  Lightning Hits One World Trade Center Two bolts of lightning hit the antenna on top of One World Trade Center in Lower Manhattan, New York City on May 23, 2014. Gary Hershorn—Corbis  Yosemite Wildfire A long exposure image shows the El Portal Fire burning near Yosemite National Park, Calif. on July 27, 2014. Stuart Palley  Iceland Volcano The Bardarbunga volcano spews lava and smoke in southeast Iceland on Sept. 14, 2014. Bernard Merci—AFP/Getty Images  Japan Volcano Japan Ground Self-Defense Force personnel and other rescuers arrive to conduct search operations at the ash-covered Ontake Shrine near the summit of Mount Ontake in central Japan on Oct. 4, 2014. Kyodo News/AP  Hawaii Lava Lava pushes through a fence marking a property boundary above the town of Pahoa on the Big Island of Hawaii, Oct. 28, 2014. U.S. Geological Survey/AP  Buffalo Snow Storm Storm clouds and snow blow off Lake Erie in Buffalo, N.Y. on Nov. 18, 2014\. An autumn blizzard dumped a year's worth of snow in three days on Western New York state, where five people died and residents, some stranded overnight in cars, braced for another pummeling expected later on Wednesday. REUTERS/Lindsay DeDario (UNITED STATES - Tags: ENVIRONMENT TPX IMAGES OF THE DAY) Lindsay Dedario—Reuters  Philippines Typhoon Hagupit A Filipino typhoon victim collects water in front of a damaged home where Typhoon Hagupit hit, Samar Island, Philippines, on Dec. 8, 2014. Francis R. 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