"Great ShakeOut" Global Earthquake Safety movement includes more than 18 million U.S. participants in 2022.
/PRNewswire/ -- Great ShakeOut Earthquake Drills, a worldwide earthquake safety movement now in its 15th year, encourages people to practice how to protect...
University Of Southern California United States Mark Benthien International Shakeout Day Southern California Earthquake Center Shakeout Earthquake Drills
Source: prnewswire.com