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Measuring Earthquakes - 21 of 20
Measuring Earthquakes FAQs - 20 Found
What is a Geoid? Why do they use the geoid, and where does its shape come from?
How are earthquakes recorded? How are earthquakes measured? How is the magnitude of an earthquake determined?
What are UTC and GMT (in reference to the time of an EQ)?
What is moment magnitude?
Where can I buy a Richter scale?
USGS Spotlight Questions