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450-mile-wide solid metal ball forms Earth's innermost core, earthquake waves revealScientists calculated the diameter of Earth's innermost core using earthquake waves that bounced through the planet 'like ping-pong balls.'
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Why was the earthquake that hit Turkey and Syria so deadly?The Feb. 6 earthquake in Turkey and Syria was so deadly because the region sits on a boundary between multiple tectonic plates, while soil and building conditions make strong earthquakes more likely to cause damage.
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How big is the largest possible earthquake?The amount of energy released in an earthquake is controlled by how much of the crust breaks. The good news is, we're not likely to see a magnitude 10.
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Powerful 8.1-magnitude earthquake off New Zealand triggers tsunami warningsThe powerful earthquake occurred at 8:28 a.m. local time near New Zealand's Kermadec Islands.
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Dino-killing asteroid triggered 'mega-earthquake' that rocked the planet for monthsThe dinosaur-killing Chicxulub impact triggered a months-long mega-earthquake that left its mark in the rock.
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Scientists find evidence for biggest earthquake in human historyThe gigantic megaquake is matched only by the 1960 Valdivia earthquake in the same region.
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Seismic Speed Bumps Found in Chile's Earthquake ZoneTwo huge blobs of dense rock jammed deep beneath Chile's coastline acted like seismic speed bumps during the magnitude-8.8 Maule earthquake in 2010, according to a new study.
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Magnitude 5.9 earthquake hits Afghanistan, killing at least 1,000The quake occurred near the Afghanistan-Pakistan border.
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Underwater volcano in Antarctica triggers 85,000 earthquakesThe swarm of 85,000 earthquakes that struck Antarctica was the strongest seismic outburst ever recorded there.
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