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Pacifica Statistica180°The Pacific, one statistic at a time.

Reading no. 2026/252

SeismicityObserved data

Depth of the deepest earthquake in the Fiji-Tonga zone

636.6km

Fiji-Tonga

FijiTonga

Depth of the deepest hypocentre among earthquakes of magnitude 4 or above over the past 30 days between 14° S and 26° S, from 176° E to 172° W.

The deepest earthquake, of magnitude 4.1, occurred on 23 August. 11 of the zone's 86 events exceed 600 km.

Observation
Event magnitude
4.1
Events in the zone
86
Median depth
520.6 km

Method

USGS catalogue, earthquakes of magnitude 4 or above between 14° S and 26° S, from 10 August 2026 to 9 September 2026 at 00:00 UTC. Two queries on either side of the antimeridian (176° E to 180°, then 180° to 172° W); the depth retained is the maximum of the two.

Source

Nature

Observed data

Value read at the source and reproduced without processing.

Confidence

High

See also

2026/116 · 26 Apr114earthquakesEarthquakes of magnitude 4 and above in the Fiji-Tonga area2025/086 · 27 Mar116earthquakesEarthquakes of magnitude 4 and above in the Fiji-Tonga area2026/278 · 5 Oct40.2pupils/teacherPupils per teacher in primary education, Pacific2026/274 · 1 Oct18.1%Share of population aged 65 and over, Pacific

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