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M5.5 Depth: 54.1 km

M5.5 Earthquake near Kermadec Islands region

UTC time: 2025-09-23 12:44:40 UTC Local time: —

About this earthquake

A magnitude M5.5 earthquake was recorded near Kermadec Islands region on September 23, 2025 at 12:44 UTC. The hypocenter lay relatively close to the surface at around 54 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The event was recorded by NNSN.

Details

Magnitude
M5.5
Depth
54.1 km
UTC time
2025-09-23 12:44:40 UTC
Local time
—
Country
—
Source
nnsn
Coordinates
-31.50300, -178.52300

Map

Depth profile

Depth profile Depth: 54.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 54.1 km
Shallow
54.1 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Whangarei811.9 kmSW50'900
Tauranga841.6 kmSW161'000
Auckland856.7 kmSW1'547'200

GeoNames · CC BY 4.0

Volcanoes nearby

  • Havre Seamount
    Distance: 68 km ·Stratovolcano ·Elevation: -897 m ·Last eruption: 2012 ·New Zealand
  • Wright
    Distance: 73 km ·Stratovolcano(es) ·Elevation: -900 m ·New Zealand
  • Curtis Island
    Distance: 107 km ·Stratovolcano ·Elevation: 47 m ·New Zealand
  • Macauley
    Distance: 144 km ·Caldera ·Elevation: 238 m ·Last eruption: -4360 ·New Zealand
  • Giggenbach
    Distance: 164 km ·Stratovolcano ·Elevation: -65 m ·New Zealand
  • Raoul Island
    Distance: 255 km ·Stratovolcano ·Elevation: 516 m ·Last eruption: 2006 ·New Zealand

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM5.4
M4.72025-09-29 01:33:03 UTC112.6 kmKermadec Islands, New Zealand M5.42025-09-30 23:29:54 UTC141.1 kmKermadec Islands, New Zealand M5.22025-09-30 23:29:55 UTC129.3 kmKermadec Islands, New Zealand M5.22025-09-30 23:30:00 UTC64.6 kmEvent of magnitude 5.2, near of Auckland (Monde) M5.22025-10-05 14:31:52 UTC105.0 kmKermadec Islands, New Zealand M5.02025-10-05 14:32:00 UTC114.2 kmKERMADEC ISLANDS, NEW ZEALAND M4.92025-10-11 14:56:54 UTC47.5 kmKermadec Islands region

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥459
Earlier events M≥519
Compared since2025-01-02

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M5.52025-09-23 12:44:37 UTC0.1 kmKermadec Islands region M5.52025-09-23 12:44:36 UTC12.4 kmKERMADEC ISLANDS REGION M5.52025-07-06 03:07:20 UTC117.5 kmKermadec Islands, New Zealand M5.42025-05-29 01:28:05 UTC95.2 kmKermadec Islands, New Zealand M5.32025-05-19 23:31:21 UTC21.0 kmKermadec Islands Region

Stats (last 24h)

Global (24h)
589
Country (24h)
—
—
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