Magnitude
M3.4
- Depth
- 65.0 km
- Source
- EMSC
Marlborough
Country overviewNew Zealand
M3.4 Earthquake near COOK STRAIT, NEW ZEALAND (New Zealand)
Map
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: 3 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.
Details
ID
706f89b7ea148da114bd6d511bd88556604e3436
Magnitude
M3.4
Depth
65.0 km
UTC time
2025-09-21 19:05:44 UTC
Local time
—
Country
City
Source
emsc
Coordinates
-40.88020,
173.79470
Temperature
14.6°C
Depth profile
Shallow
65 km
65 km — close to the regional average (70.9 km)
Regional average: 70.9 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
Marlborough
Context for this earthquake
05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 47 Catalogue entries
Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.
Open seismic profileHistoric earthquake map · New Zealand
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Country statistics · New Zealand
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Stats (last 24h)
Global (24h)
624
Country (24h)
New Zealand
3
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