Was That an Earthquake?

Sometimes the ground moves; sometimes the ground shakes and sometimes you have to ask Was that an Earthquake?

“Was that an Earthquake” was built to answer that very question. Available for a one time purchase with no ads or tracking.

Supports importing USGS hour, day, and week feeds. Earthquake data is synchronized across supported devices where available.

Available for visionOS 26, macOS 26, iOS 26