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Usgs Earthquake · Research

USGS / Count earthquakes matching a search

How many earthquakes match the same filters as usgs-earthquake-search (date range, magnitude, depth, circle or box, alert level), without the events. Returns count and maxAllowed (20,000, the most one search can page through). Without starttime the last 30 days are counted. Bad values answer HTTP 400 at $0. Free. Credit: U.S. Geological Survey. USGS data is in the U.S. public domain.

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