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M3.4 Depth: 65.0 km

M3.4 Earthquake near COOK STRAIT, NEW ZEALAND (New Zealand)

UTC time: 2025-09-21 19:05:44 UTC Local time: —

About this earthquake

A magnitude M3.4 earthquake was recorded near COOK STRAIT, NEW ZEALAND (New Zealand) on September 21, 2025 at 19:05 UTC. The hypocenter lay relatively close to the surface at around 65 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. New Zealand: 5 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

Magnitude
M3.4
Depth
65.0 km
UTC time
2025-09-21 19:05:44 UTC
Local time
—
Country
New Zealand
City
Marlborough
Source
emsc
Coordinates
-40.88020, 173.79470
Temperature
14.6°C

Map

Depth profile

Depth profile Depth: 65 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 65 km
Shallow
65 km
65 km — close to the regional average (69.9 km)
Regional average: 69.9 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

Volcanoes nearby

  • Taranaki
    Distance: 177 km ·Stratovolcano ·Elevation: 2'518 m ·Last eruption: 1800 ·New Zealand
  • Ruapehu
    Distance: 233 km ·Stratovolcano ·Elevation: 2'797 m ·Last eruption: 2007 ·New Zealand
  • Tongariro
    Distance: 247 km ·Stratovolcano(es) ·Elevation: 1'978 m ·Last eruption: 2012 ·New Zealand
  • Taupo
    Distance: 294 km ·Caldera ·Elevation: 760 m ·Last eruption: 260 ·New Zealand
  • Okataina
    Distance: 382 km ·Lava dome(s) ·Elevation: 1'111 m ·Last eruption: 1981 ·New Zealand
  • Auckland Volcanic Field
    Distance: 452 km ·Volcanic field ·Elevation: 260 m ·Last eruption: 1446 ·New Zealand

Historic earthquake map · New Zealand

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · New Zealand

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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