Magnitude
M6.4
- Depth
- 10.0 km
- Source
- EMSC
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 ↗
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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 data is provided by EMSC and cross-checked across seismological networks.
Details
ID
87203ceab49747ee9efeb29d2c7588aac370b001
Magnitude
M6.4
Depth
10.0 km
UTC time
2025-08-03 04:57:11 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-55.27160,
-128.76180
Temperature
4.3°C
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 hours2
First 24 hours2
First 72 hours2
Strongest subsequent eventM6.4
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≥45
Earlier events M≥54
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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