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Earthquakes happen all the time, you just can't feel them. A guide to how they're measured
About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. Most are tiny and barely noticed by people living where they happen. But some are ...
How strong is a 4.8 earthquake? Quake magnitudes explained.
About 55 earthquakes a day – 20,000 a year – are recorded by the National Earthquake Information Center. Most are tiny and ...