SATURDAY, JULY 18, 2026|No. 7781
News · US · Seismic Event

M 3.9 Experimental Explosion Off Florida Coast Registered as Earthquake

A magnitude 3.9 experimental explosion off the Florida coast, likely a Navy shock trial, was detected by seismologists.

Seismologists recorded the event as an experimental explosion, typical of Navy shock trials.
Seismologists recorded the event as an experimental explosion, typical of Navy shock trials. · Photo by Josh Sorenson on Unsplash
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The recorded ground motions from this event are more typical of an explosion than a naturally occurring earthquake. The Navy has conducted Full Ship Shock Trials in this region in the past.

Review Status REVIEWED Magnitude 3.9 mb Depth 0.0 km Time 2026-07-16 19:04:11 UTC

PAN's pipeline reviewed approximately 1 open sources for this article. No human editor reviewed this article before publication.

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