Earthquake reference

165 km W of Neiafu, Tonga

USGS recorded this 4.5 magnitude event near 165 km W of Neiafu, Tonga at 2026-07-16T13:56:15.877000+00:00. The published hypocentral depth is 254.428 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.

398Same Day Events
166.6Nearest Airport Distance Km
5Same Day Events Count
5Similar Magnitude Events Count
5Nearest Airports Count
5Nearest Postal Codes Count

Key facts

Magnitude
4.5
Magnitude type
mb
Occurred at
2026-07-16T13:56:15.877000+00:00
Updated at
2026-07-24T19:49:45.040000+00:00
Review status
reviewed
Event type
earthquake
Tsunami flag
No
Significance
312
Network
us
Latitude
-18.4715
Longitude
-175.5376
Depth (km)
254.428
USGS event page
https://earthquake.usgs.gov/earthquakes/eventpage/us7000t0yi

Upstream revision context

USGS event revision

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

UpdatedStatusPayload digest
2026-07-24T19:49:45.040000+00:00reviewed22ad7cf0fbe5

Associated event IDs: us7000t0yi

Field-level provenance

Sources for this profile

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