Magnitude
M6.4
- Depth
- 10.0 km
- Source
- NNSN
Pacific-Antarctic Ridge
M6.4 Earthquake near Pacific-Antarctic Ridge
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded
Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗
Map
About this earthquake
On August 3, 2025 at 04:57 UTC, a magnitude M6.4 earthquake occurred near Pacific-Antarctic Ridge. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size are considered strong and can be dangerous in inhabited regions.
The event was recorded by NNSN.
Details
ID
abbd6bf93f5e502d800663147e9eedbebfc855eb
Magnitude
M6.4
Depth
10.0 km
UTC time
2025-08-03 04:57:31 UTC
Local time
—
Country
—
Source
nnsn
Coordinates
-55.24800,
-128.57400
Depth profile
Shallow
10 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
Subsequent earthquakes nearby
Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.
First 6 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM5.2
No unambiguous area assignment
Context for this earthquake
This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.
Earthquake overviewHistorical context nearby
Comparison with recorded earthquakes before this event within 250 km.
Magnitude rank#1
Earlier events M≥47
Earlier events M≥56
Compared since2025-03-30
The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.
Strongest earlier events
Stats (last 24h)
Global (24h)
597
Country (24h)
—
—
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