Earthquake reference

171 km ENE of Flagler Beach, Florida

USGS recorded this 3.9 magnitude event near 171 km ENE of Flagler Beach, Florida at 2026-07-28T17:12:54.479000+00:00. The published hypocentral depth is 0 km and the review status is reviewed. Event parameters can be revised as additional observations are processed. Nearby airports and postal locations on this page are calculated spatial references only; they do not establish administrative jurisdiction, damage, causation or future risk. This record is not an earthquake forecast or emergency alert.

333Same Day Events
179.9Nearest Airport Distance Km
5Same Day Events Count
5Similar Magnitude Events Count
5Nearest Airports Count
5Nearest Postal Codes Count

Key facts

Magnitude
3.9
Magnitude type
mb
Occurred at
2026-07-28T17:12:54.479000+00:00
Updated at
2026-07-30T16:19:32.549000+00:00
Review status
reviewed
Event type
experimental explosion
Felt reports
10
Community intensity
4.1
Tsunami flag
No
Significance
238
Network
us
Latitude
30.0308
Longitude
-79.4734
Depth (km)
0
USGS event page
https://earthquake.usgs.gov/earthquakes/eventpage/us6000tgf0

Upstream revision context

USGS event revision

This timeline contains versions captured by DataOfWorld; it is not a complete official revision archive.

UpdatedStatusPayload digest
2026-07-29T03:02:35.612000+00:00reviewed8e6d5379b97f
2026-07-30T16:19:32.549000+00:00reviewed929aac904e55

Associated event IDs: us6000tgf0

Field-level provenance

Sources for this profile

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Reference data can change. Verify consequential decisions against the original source.