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YouTubeIRIS Earthquake Science
3-component Seismograms—Capturing the motion of an earthquake. (Educational)
www.iris.edu/earthquake for more animations. Modern seismometers include 3 elements to determine the simultaneous movement in 3 directions: up-down, north-south,and east-west. Each direction of movement gives information about the earthquake. This animation shows both the movement of the three basic waves (P, S, and surface) and the effect of ...
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A magnitude 5.4 earthquake struck 48 km ESE of Fox River, Alaska on October 30, 2025, shaking one of the world’s most active seismic zones. Drone-style footage captures the raw power of Earth shifting beneath the icy wilderness — cracking tundra, trembling mountains, and the eerie calm that follows. This is a reminder of Alaska’s place on the Pacific Ring of Fire, where the planet’s crust never truly rests. Stay informed. Stay prepared. 🌍 #AlaskaEarthquake #RingOfFire #EarthquakeAlert #NaturePo
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