Source agencyUSGS
Provider event IDus6000u1l7
Magnitude4.7 mb
Depth55.8 km
Occurred / latest reportedOct 11, 2026, 4:24 PM UTC
Provider last updatedOct 11, 2026, 6:05 PM UTC
TerraPulse collectedOct 21, 2026, 1:50 AM UTC
Catalog statusreviewed
Reported geometryPoint
Location qualityValidated coordinate format (not accuracy assurance)
Country assignmentJapan
Coordinates (lon, lat)140.4377, 35.5301
GDACS alertNot applicable
Magnitude measures earthquake size; intensity describes shaking at a location. Magnitude alone does not establish casualties or damage.
USGS tsunami flag:0 (not set). This flag does not confirm a tsunami or an official tsunami warning. Consult official warning centers.
Original reported GeoJSON geometry
{
"type": "Point",
"coordinates": [
140.4377,
35.5301,
55.788
]
}Revision observations
Changes observed since TerraPulse began collecting this event; this is not a complete provider revision history.
Collected2026-10-21T01:50:19.508Z· Provider update2026-10-11T18:05:18.040Z · Magnitude 4.7
Recentearthquakeswithin 500 km
Geographic proximity only; events have not been merged or confirmed as related. Distances use the first reported coordinate for non-point geometries.
4.52 km N of Honchō, JapanUSGS · Oct 21, 2026, 1:04 AMUTC · 90.3 km deep4.4100 km ESE of Takahagi, JapanUSGS · Oct 15, 2026, 2:05 AMUTC · 36.1 km deep4.445 km SSE of Ōfunato, JapanUSGS · Oct 14, 2026, 1:19 PMUTC · 56.6 km deep4.454 km E of Miyako, JapanUSGS · Oct 12, 2026, 5:25 PMUTC · 35.0 km deep4.6124 km ESE of Iwaki, JapanUSGS · Oct 8, 2026, 4:41 AMUTC · 45.5 km deep4.33 km SSW of Funaishikawa, JapanUSGS · Oct 7, 2026, 10:14 PMUTC · 77.3 km deep4.69 km NNE of Midori, JapanUSGS · Oct 7, 2026, 7:36 PMUTC · 95.6 km deep4.93 km WSW of Shibayama, JapanUSGS · Oct 7, 2026, 7:13 PMUTC · 73.0 km deep