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tsunami.ioc.unesco.org

Japanese term meaning wave (“nami”) in a harbour (“tsu”). A series of travelling waves of extremely long length and period, usually generated by disturbances associated with earthquakes occurring below or near the ocean floor. (Also called seismic sea wave and, incorrectly, tidal wave). Volcanic eruptions, submarine landslides, and coastal rock falls can also generate tsunamis, as can a large meteorite impacting the ocean. These waves may reach enormous dimensions and travel across entire ocean basins with little loss of energy. They proceed as ordinary gravity waves with a typical period between 10 and 60 minutes. Tsunamis steepen and increase in height on approaching shallow water, inundating low-lying areas, and where local submarine topography causes the waves to steepen, they may break and cause great damage. Tsunamis have no connection with tides; the popular name, tidal wave, is entirely misleading.

earthquake.usgs.gov

Landsat Collection 2 Surface Temperature products are generated from several input data sources and atmospheric profiles. This includes NASA's Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Emissivity Dataset (GED).   The ASTER GED dataset is created from all clear-sky pixels of ASTER scenes acquired from 2000 through 2008. While this dataset has a global spatial extent, there are areas that are  missing the mean emissivity information due to persistent cloud contamination in the ASTER measurements. When mean emissivity information is missing, the Surface Temperature product will contain areas of missing data.  Learn more: Landsat Collection 2 Surface Temperature data gaps due to missing ASTER GED

usgs.gov

The Energy Act of 2020 defined critical minerals as those that are essential to the economic or national security of the United States; have a supply chain that is vulnerable to disruption; and serve an essential function in the manufacturing of a product, the absence of which would have significant consequences for the economic or national security of the U.S. The act further specified that critical minerals do not include fuel minerals; water, ice, or snow; or common varieties of sand, gravel, stone, pumice, cinders, and clay. Mineral criticality is not static, but changes over time as supply and demand dynamics evolve, import reliance changes, and new technologies are developed. The 2025 list of critical minerals/elements includes:AluminumCobaltHafniumMetallurgical CoalRhodiumThuliumAntimonyCopperHolmiumNeodymiumRubidiumTinArsenicDysprosiumIndiumNickelRutheniumTitaniumBariteErbiumIridiumNiobiumSamariumTungstenBerylliumEuropiumLanthanumPalladiumScandiumUraniumBismuthFluorsparLeadPhosphateSiliconVanadiumBoronGadoliniumLithiumPlatinumSilverYtterbiumCeriumGalliumLutetiumPotashTantalumYttriumCesiumGermaniumMagnesiumPraseodymiumTelluriumZincChromiumGraphiteManganeseRheniumTerbiumZirconiumLearn More: National Minerals Information CenterCritical MineralsUSGS Mineral Resources Program

noaa.gov

Get the facts!

geonet.org.nz

geological hazard information for New Zealand.

earthquakescanada.nrcan.gc.ca

earthquakes canada

tsunami.org

The goals of the Museum are to promote public tsunami education and to preserve history. The Museum serves as a living memorial to those who lost their lives in past tsunami events.