USGS EVENT DOSSIER

M4.9

88 km SE of Hihifo, Tonga

REVIEWED

ORIGIN TIME2026-10-28T12:35:23.786Z

DEPTH10.0 KM

COORDINATES-16.5410, -173.2355

SIGNIFICANCE369

FELT REPORTS--

MMI / CDI-- / --

PAGER--

TSUNAMI FLAGNO

SOURCE + PROVENANCEU.S. GEOLOGICAL SURVEY

Event ID us7000ttnt. Updated 2026-10-28T12:56:53.040Z. This dossier reflects source-returned event metadata and does not infer a cause.

OPEN USGS EVENT ↗

LOCAL SEISMIC CONTEXTOTHER EVENTS WITHIN 250 KMCurrent 30-day catalog window

102 km NNE of Hihifo, Tonga2026-11-14T07:02:22.573Z · 10.0 KM DEEP

OPEN →M5.1

91 km ENE of Hihifo, Tonga2026-11-07T23:27:09.444Z · 10.0 KM DEEP

OPEN →M5.0

95 km NNE of Hihifo, Tonga2026-10-27T09:07:45.122Z · 10.0 KM DEEP

OPEN →M4.6

149 km ENE of Hihifo, Tonga2026-10-25T10:51:01.016Z · 10.0 KM DEEP

OPEN →M4.9

92 km NNE of Hihifo, Tonga2026-10-22T19:06:53.694Z · 10.0 KM DEEP

OPEN →M4.6

80 km WNW of Hihifo, Tonga2026-10-19T18:27:47.221Z · 165.1 KM DEEP

OPEN →M4.7

136 km N of Neiafu, Tonga2026-10-17T20:51:40.919Z · 45.4 KM DEEP

OPEN →M5.2

92 km NNE of Hihifo, Tonga2026-10-15T13:29:31.595Z · 10.0 KM DEEP

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