Source agencyUSGS
Provider event IDus6000u2hg
Magnitude4.0 mb
Depth558.3 km
Occurred / latest reportedOct 6, 2026, 8:15 PM UTC
Provider last updatedOct 15, 2026, 5:12 PM UTC
TerraPulse collectedOct 21, 2026, 1:50 AM UTC
Catalog statusreviewed
Reported geometryPoint
Location qualityValidated coordinate format (not accuracy assurance)
Country assignmentOffshore, non-point or unassigned
Coordinates (lon, lat)-178.5466, -17.8763
GDACS alertNot applicable
Magnitude measures earthquake size; intensity describes shaking at a location. Magnitude alone does not establish casualties or damage.
USGS tsunami flag:0 (not set). This flag does not confirm a tsunami or an official tsunami warning. Consult official warning centers.
Original reported GeoJSON geometry
{
"type": "Point",
"coordinates": [
-178.5466,
-17.8763,
558.29
]
}Revision observations
Changes observed since TerraPulse began collecting this event; this is not a complete provider revision history.
Collected2026-10-21T01:50:21.884Z· Provider update2026-10-15T17:12:21.040Z · Magnitude 4
Recentearthquakeswithin 500 km
Geographic proximity only; events have not been merged or confirmed as related. Distances use the first reported coordinate for non-point geometries.
4.5100 km SSW of Alo, Wallis and FutunaUSGS · Oct 20, 2026, 8:58 AMUTC · 417.5 km deep4.888 km WNW of Hihifo, TongaUSGS · Oct 19, 2026, 6:27 PMUTC · 156.8 km deep4.5Fiji regionUSGS · Oct 18, 2026, 10:34 PMUTC · 551.9 km deep4.3213 km WSW of Houma, TongaUSGS · Oct 18, 2026, 3:39 PMUTC · 271.2 km deep4.8196 km SSE of Alo, Wallis and FutunaUSGS · Oct 17, 2026, 4:19 AMUTC · 439.4 km deep4.6153 km W of Neiafu, TongaUSGS · Oct 16, 2026, 3:06 PMUTC · 247.7 km deep4.4south of the Fiji IslandsUSGS · Oct 16, 2026, 9:01 AMUTC · 593.7 km deep5.9Fiji regionUSGS · Oct 14, 2026, 10:49 AMUTC · 585.1 km deep