Magnitude
M3.9
- Depth
- 50.0 km
- Source
- EMSC
tsukuba shi
Country overviewJapan
M3.9 Earthquake near NEAR EAST COAST OF HONSHU, JAPAN (Japan)
Map
About this earthquake
On July 29, 2025 at 18:59 UTC, a magnitude M3.9 earthquake occurred near NEAR EAST COAST OF HONSHU, JAPAN (Japan). With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.
The data is provided by EMSC and cross-checked across seismological networks. Japan: over the past 24 hours, QuakeMap24 logged 2 earthquakes, the strongest at M3.9.
Details
ID
8192ad478ab4ad231937d4fcc4fd60ee6310f92e
Magnitude
M3.9
Depth
50.0 km
UTC time
2025-07-29 18:59:30 UTC
Local time
—
Country
City
tsukuba shi
Source
emsc
Coordinates
36.20000,
140.10000
Temperature
22.6°C
Depth profile
Shallow
50 km
50 km — deeper than the regional average (33.2 km)
Regional average: 33.2 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
Felt reports
2felt reports at EMSC / LastQuake
Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.
Data updated: Jul 29, 2025, 10:02 PM UTC · Last checked: Sep 6, 2026, 12:16 PM UTC
Source: EMSC / LastQuake
Volcanoes nearby
Radius · 50 km
Nearby infrastructure
Airports
- Ibaraki Airport28.3 kmStraight-line distance
Japan · IBR · RJAH
Source: OurAirports · Dataset date: 2026-10-04
This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates
Japan
Context for this earthquake
04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 969 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 · Japan
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Country statistics · Japan
View earthquake KPIs, strongest and latest events, and averages for this country.
Stats (last 24h)
Global (24h)
500
Country (24h)
Japan
2