OBSERVED · EARTHQUAKE · USGS US6000U4R9

Magnitude 6.5, Bonin Islands, Japan region.

Occurred 3 hours ago (2026-10-25 02:09 UTC). Record reviewed, last revised 1 hour ago. Fetched just now. Every number on this page comes from the USGS feed; the sentence is a template over those fields.

Magnitude 6.5 earthquake, 492 km deep, at 25 Oct 02:09 UTC. USGS places it "Bonin Islands, Japan region". A tsunami message was issued.

OBSERVED · USGS · M 6.5 · 2026-10-25 02:09 UTC

DERIVED. The last earthquake at least this strong within 100 km was magnitude 7.0 on 24 Oct 2026 ("Bonin Islands, Japan region"). USGS ComCat search: earthquakes within 100 km of this epicentre, magnitude 6.5 or more, from 1 Jan 1900 to just before this one, newest first. Magnitudes of different types are compared as the catalogue publishes them.

ESTIMATE · USGS PAGER · GREEN. The USGS's own estimate of likely fatalities and economic losses for this earthquake, from its PAGER model. ESTIMATE: the source's own model estimate, not a count. PAGER at the USGS

Epicentre at 27.795, 139.618 (USGS). The dashed ring is 100 km. Coastlines from Natural Earth (public domain), drawn from the coordinate; nothing placed by hand.

OBSERVED · USGS event us6000u4r9 · reviewed · origin 2026-10-25 02:09 UTC · record updated 2026-10-25 04:13 UTC · 27.795, 139.618 · depth 492.4 km · significance 650 · tsunami message issuedOccurred 3 hours ago · record revised 1 hour ago · fetched 2026-10-25 05:26 UTC. The evidence class is OBSERVED because the USGS reports it happened; how recent the event or the revision is changes nothing about that. Felt reports are the “Did You Feel It?” reports people sent the USGS, not a count of who felt it. Source: U.S. Geological Survey, Earthquake Hazards Program (public domain). This page is regenerated from the USGS event id and is not stored by yank.

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