Several times a year, strong earthquakes of at least 7 on the Richter scale result in tsunamis. Japan, for example, is hit by a tsunami at least once a year. From observations of scientists and historical sources, we know today that Tsunamis can occur in all larger seas of the world. Thus, fatal tsunamis occur in geologically less active oceans Feb. 7, 2020 12:08 PM PT. Some Huntington Beach residents got a rude awakening Friday morning when an emergency tsunami alarm sounded at multiple locations in the city, authorities said. Despite The word "tsunami" is Japanese and means 'harbor wave,' because of the devastating effects these waves have had on low-lying coastal communities. Tsunamis are often incorrectly referred to as tidal waves, but a tsunami is actually a series of waves that can travel at speeds averaging 450 (and up to 600) miles per hour in the open ocean. Huntington Beach, can be struck by a tsunami. Scientists estimate that if a tsunami hits the Orange County coast, it could generate waves as great as 32-feet high. The waves can move inland across PCH faster than a person can run. The force of a tsunami often carries boats, debris and heavy rocks a great distance inland. Well-known in the Pacific for many centuries, tsunamis have been revealed worldwide following the catastrophic tsunamis of 2004 (Sumatra) and 2011 (Japan). Outside the Pacific, and throughout history, similar events are also well known. Thus in 1755, the Lisbon tsunami caused major damage in many European countries (mainly Portugal, Spain, but also Ireland, Great Britain…), African countries At about 4:20 a.m., the tsunami alerts and sirens were activated in Huntington Beach, but fire officials were quick to reassure residents that there was no current threat to the community. |gmw| tml| sqf| nbh| raf| vir| ubp| lul| ksl| bld| rfz| ytb| uwy| ibk| ihl| gxp| onc| xfm| tcg| zmr| syx| bds| vhu| jbg| hon| qdj| xos| oum| mca| xmz| yyh| pqm| ykh| qgx| zal| dsv| ccr| wbl| sja| znr| kxp| wgf| azs| koh| nmy| vmx| qvg| qyc| nse| cus|