How many earthquakes are detected worldwide on a single day?

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The answer

1,400 earthquakes

About 1,400. Roughly one a minute.

How to get there

1. about 500,000 detectable quakes a year (USGS estimate)
2. ÷ 365 days
3. = about 1,400 a day

Source: PBS NewsHour citing the U.S. Geological Survey (USGS)

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