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South of New Zealand in the Tasman Sea is an extension of stormy ocean where the waves often dilate 6 meters (20 feet) or more and the winds usually blow at 48 km/h (30 mph) on a very good day
The melting of Earth's crust beneath a vast expanse of western North America is baffling researchers due to its unusual location inland. Crustal melting, which plays an important role in the [...]
In a March episode of PBS Terra‘s “Weathered,” meteorologist and host Maiya May showed how vulnerable the Pacific Northwest is to the so-called “Big One” earthquake along Cascadia. She said that this disaster would likely cause more damage to the U.S. than the magnitude 9 Tohoku earthquake did to Japan in 2011. “Here on the West Coast of the United States, we’re nowhere near as prepared as Japan was for this kind of disaster,” May said. It can tell an earthquake’s magnitude in an instant and is home to the world’s biggest flood infrastructure. Most of its buil...
E-Mail The famous 1700 Cascadia earthquake that altered the coastline of western North America and sent a tsunami across the Pacific Ocean to Japan may have been one of a sequence of earthquakes, according to new research presented at the Seismological Society of America (SSA)'s 2021 Annual Meeting. Evidence from coastlines, tree rings and historical documents confirm that there was a massive earthquake in the U.S. Cascadia Subduction Zone on 26 January 1700. The prevailing hypothesis is that one megathrust earthquake, estimated at magnitude 8.7 to 9.2 and involving the entire tectonic plat...
Feb. 26, 2021, entitled "National Preparedness: A Summary and Select Issues" by Lauren R. Stienstra, section research manager, and Shawn Reese, emergency management and homeland security policy analyst: SUMMARY The nation has faced challenges in the effort to respond to, and recover from, the Coronavirus Disease 2019 (COVID-19) pandemic. Persistent challenges related to acquisition and delivery of diagnostic tests, production and management of personal protective equipment, and development and distribution of vaccines have introduced new questions about the state of national readiness, for...