Magnitude
M5.5
- Depth
- 10.0 km
- Source
- USP
Pacific-Antarctic Ridge
M5.5 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 M5.5 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. Earthquakes of this magnitude can damage poorly built structures.
The event was recorded by USP.
Details
ID
bf6c64e395af254fa56403f1ac4685467ff6b6bb
Magnitude
M5.5
Depth
10.0 km
UTC time
2025-08-03 04:57:10 UTC
Local time
—
Country
—
Source
usp
Coordinates
-54.51486,
-128.88893
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 150 km. They are not automatically classified as aftershocks.
First 6 hours3
First 24 hours3
First 72 hours3
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 150 km.
Magnitude rank#1
Earlier events M≥42
Earlier events M≥51
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)
598
Country (24h)
—
—
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