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M5.5 Depth: 50.0 km

M5.5 Earthquake near KERMADEC ISLANDS REGION

UTC time: 2025-09-23 12:44:36 UTC Local time: —

About this earthquake

On September 23, 2025 at 12:44 UTC, a magnitude M5.5 earthquake occurred near KERMADEC ISLANDS REGION. With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The data is provided by EMSC and cross-checked across seismological networks.

Details

Magnitude
M5.5
Depth
50.0 km
UTC time
2025-09-23 12:44:36 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-31.57990, -178.42860
Temperature
17.2°C

Map

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 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
Whangarei813.9 kmSW50'900
Tauranga839.6 kmSW161'000
Auckland856.9 kmSW1'547'200

GeoNames · CC BY 4.0

Volcanoes nearby

  • Wright
    Distance: 77 km ·Stratovolcano(es) ·Elevation: -900 m ·New Zealand
  • Havre Seamount
    Distance: 80 km ·Stratovolcano ·Elevation: -897 m ·Last eruption: 2012 ·New Zealand
  • Curtis Island
    Distance: 116 km ·Stratovolcano ·Elevation: 47 m ·New Zealand
  • Macauley
    Distance: 152 km ·Caldera ·Elevation: 238 m ·Last eruption: -4360 ·New Zealand
  • Giggenbach
    Distance: 174 km ·Stratovolcano ·Elevation: -65 m ·New Zealand
  • Raoul Island
    Distance: 261 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 hours2
First 24 hours2
First 72 hours2
Strongest subsequent eventM5.5
M5.52025-09-23 12:44:37 UTC12.4 kmKermadec Islands region M5.12025-09-23 12:44:40 UTC139.1 kmEvent of magnitude 5.1, near of Auckland (Monde) M4.72025-09-29 01:33:03 UTC116.7 kmKermadec Islands, New Zealand M5.42025-09-30 23:29:54 UTC141.3 kmKermadec Islands, New Zealand M5.22025-09-30 23:29:55 UTC129.1 kmKermadec Islands, New Zealand M5.22025-09-30 23:30:00 UTC73.3 kmEvent of magnitude 5.2, near of Auckland (Monde) M5.22025-10-05 14:31:52 UTC107.5 kmKermadec Islands, New Zealand M5.02025-10-05 14:32:00 UTC118.9 km M4.92025-10-11 14:56:54 UTC38.0 kmKermadec Islands region

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥456
Earlier events M≥517
Compared since2025-01-02

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

Strongest earlier events

M5.52025-07-06 03:07:20 UTC118.8 kmKermadec Islands, New Zealand M5.42025-05-29 01:28:05 UTC96.9 kmKermadec Islands, New Zealand M5.32025-05-19 23:31:21 UTC18.3 kmKermadec Islands Region M5.22025-09-23 12:44:31 UTC89.7 kmKermadec Islands Region M5.22025-01-28 10:23:33 UTC135.7 kmKermadec Islands, New Zealand

Stats (last 24h)

Global (24h)
585
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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