Αποτελέσματα Αναζήτησης
17 Αυγ 2023 · Researchers have concluded there is a “rare but real risk” that an earthquake-produced tsunami could inundate parts of coastal Anchorage under certain conditions, a newspaper reported, a shift from the prior understanding of the risk posed to Alaska’s largest city.
2 Απρ 2023 · An estimated 40 million cubic yards of mostly intact stone slid hundreds of feet before crashing into the water. The resultant wave was not just a tsunami but the largest tsunami ever...
22 Νοε 2020 · Some 2 square miles (4 square kilometers) of forest were sheared and swept away by the tsunami waves. One of the causes of the enormous waves in Lituya Bay was that an entire chunk of a mountain peak—estimated to be 2,400 feet by 3,000 feet by 300 feet—broke free from a cliff and dropped 2,000 feet.
The strike-slip earthquake took place on the Fairweather Fault and triggered a rockslide of 30 million cubic meters (40 million cubic yards) and about 90 million tons into the narrow inlet of Lituya Bay, Alaska.
The Chignik earthquake was very close (about 62 km) to the 22 July 2020 magnitude 7.8 Mw earthquake, and about 145 km from the 19 October 2020 magnitude 7.6 Mw earthquake. The tsunami was observed at Alaskan tide gauges, as well as some Hawaiian and U.S. West Coast tide gauge stations.
20 Οκτ 2020 · JUNEAU, Alaska (AP) — A magnitude 7.5 earthquake prompted a tsunami warning Monday for a nearly thousand-mile stretch of Alaska’s southern coast, with waves over 2 feet at the nearest community as the threat subsided.
20 Μαΐ 2020 · With 650 million cubic yards of dirt and stone, the unstable hillside identified by researchers at Barry Arm would possibly lead to one of the largest tsunamis the area has ever endured.
