Magnitude 3.9 Experimental Explosion Recorded 147 km ENE of Ponce Inlet, Florida

An experimental explosion generated a magnitude 3.9 seismic signal. The event was located 147 km east‑northeast of Ponce Inlet, Florida. The United States Geological Survey logged the occurrence. The event is listed under the identifier us7000t13l. No natural earthquake was reported in the vicinity at that time. The data are available through the USGS earthquake page. Researchers may analyze the signal to assess blast characteristics. Monitoring agencies will continue to track similar events.