A magnitude 5.7 earthquake struck the world’s largest active volcano on Friday — Mauna Loa on the Big Island of Hawaii — knocking items off shelves in nearby towns but not immediately prompting reports of serious damage. No tsunami was expected.
The earthquake, which the U.S. Geological Survey initially reported as magnitude 6.3, was centered on Mauna Loa’s southern flank at a depth of 23 miles (37 kilometers), 1.3