No threat from 6.6 earthquake south of Tonga – Matangi Tonga

Posted: February 24, 2017 at 6:54 pm

Earthquake location near Minerva Reefs in Tonga. 25 February 2017. Source: USGS

An earthquake magnitude 6.6 or 6.9 was felt as a short shake in the Tongan capital at 6:29 am today, February25.

The quake wobbled furniture very briefly in the Matangi Tongaoffice.

The Pacific Tsunami Warning Center advised that there is no tsunami warning advisory or threat, from the 6.6 earthquake due to the depth at 259 miles. The earthquake was located 439.8 kms south of Nuku'alofa, Tonga at 23.4 south 178.5 west. The area is in Tongan waters near the Minerva Reefs, on the Lau Ridge close to the Tropic ofCapricorn.

Tonga Meteorological Service at 6:46am advised that "Based on information above from the Tonga Geology Seismic Unit and Pacific Tsunami Warning Centre (PTWC), this event is unlikely to affectTonga."

Tonga Met stated that the earthquake was magnitude 6.9 - but appeared to be unsure of thedate:

"Tsunami Advisory: Tsunami No Threat Advice for Tonga No: 1 Issued at 6:46pm on 22 January, 2017 An Earthquake has occurred with these parameters: Origin time: 6:28AM local time on 25 Jan 2017 Coordinates: Lat: 23.38S Lon: 178.63W Depth 436km/266 Miles Magnitude: 6.9 Location: 428KM /266 MILE SOUTHWEST OF NUKUALOFA

The above magnitude is provisional and may be increased or decreased as more seismic data becomesavailable.

Based on information above from the Tonga Geology Seismic Unit and Pacific Tsunami Warning Centre (PTWC), this event is unlikely to affectTonga.

This is the final message for this event unless significant changesoccur.

NEOC Status: The National Emergency Operation Centre (NEOC) is not activated. Normal NEOC contact details apply: General Enquiries: (676) 26340 Issued by: Message authorized by the Tonga Meteorological Service General Enquiries: (676) 35355 Duty Officer: SV/ML"

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No threat from 6.6 earthquake south of Tonga - Matangi Tonga