USGS · EARTHQUAKE

M 4.6 · 25 km SSE of Blitar, Indonesia

A reported observation from the original data provider. Values may be revised as new information becomes available.

Source agencyUSGS

Provider event IDus6000u1q2

Magnitude4.6 mb

Depth121.1 km

Occurred / latest reportedOct 12, 2026, 5:28 AM UTC

Provider last updatedOct 12, 2026, 6:33 AM UTC

TerraPulse collectedOct 21, 2026, 1:50 AM UTC

Catalog statusreviewed

Reported geometryPoint

Location qualityValidated coordinate format (not accuracy assurance)

Country assignmentIndonesia

Coordinates (lon, lat)112.2189, -8.3245

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": [
    112.2189,
    -8.3245,
    121.104
  ]
}

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 update2026-10-12T06:33:17.040Z · Magnitude 4.6

Geographic proximity only; events have not been merged or confirmed as related. Distances use the first reported coordinate for non-point geometries.