Magnitude 7.7 earthquake struck Lisbon on November 1, 1755. Epicenter located 200 km west-southwest of Cape St. Vincent. Caused 30,000-40,000 deaths in Lisbon and possibly 10,000 in Morocco. Created 5-meter wide fissures in city center. Followed by tsunami up to 20 meters high
Magnitude 7.8 earthquake struck Fairweather Fault on July 9, 1958. 30 million cubic meters of rock fell into Gilbert Inlet. Impact was heard 80 kilometers away. Maximum wave height reached 524 meters at Gilbert Inlet entrance
Magnitude 9.1 undersea earthquake occurred 72 km east of Tōhoku on March 11, 2011. Tsunami reached up to 40.5 meters high in Miyako, traveling at 700 km/h. Earthquake moved Honshu 2.4 meters east and shifted Earth's axis 10-25 cm. Over 1,000 aftershocks occurred, including 7.1 Mw aftershock in April 2011
Magnitude 7.8 earthquake struck Lituya Bay on July 10, 1958. Five people died in the water, including Howard Ulrich and his seven-year-old son. A wave reached 1,720 feet high, destroying most of the bay's vegetation. The wave traveled through Gilbert Inlet, creating a massive wave wall
Magnitude-9.0 earthquake struck 80 miles east of Sendai on March 11, 2011. Epicenter located 18.6 miles below Pacific Ocean floor. Caused by rupture of Japan Trench subduction zone. Felt as far as Russia, Taiwan, and Beijing
Immediately move to safety by walking or running away from damaged structures. Follow evacuation signs to the highest safe point. If in hazard zone, evacuate immediately after earthquake. If not in hazard zone, stay put unless instructed by emergency services