M5.6 Earthquake Near 小笠原諸島西方沖 Draws 1 Felt Reports
JMA Japan reports M5.6 near 小笠原諸島西方沖, with a 500.0 km catalog depth and 1 felt reports.
The event began at Sun, 25 Oct 2026 22:14:00 GMT. JMA Japan reports magnitude 5.6, 500.0 km catalog depth, and coordinates 27.900, 140.000.
The catalog location label is 小笠原諸島西方沖; no separate nearest-city field was supplied with this solution. By catalog depth, this is a deep event. The magnitude-derived energy estimate is 1.58e+13 joules, or about 3,788 tons of TNT equivalent; that calculation describes source energy, not local damage.
1 public felt report is attached to the current catalog entry. Other attached observation fields include reported intensity 1. No official casualty or damage statement is attached to the normalized event evidence.
The JMA Japan catalog currently marks the solution as reviewed. Solution-quality fields list 1 reporting stations. No alternate network solution is attached to this record.
The issuing source also supplied this event summary: Maximum JMA intensity 1. この地震による津波の心配はありません。 The linked event record should be checked for later magnitude, depth, location, and review revisions.
At a glance
- Magnitude 5.6
- 500.0 km catalog depth
- 1.58e+13 J magnitude-derived energy estimate
- Origin: Sun, 25 Oct 2026 22:14:00 GMT
- 1 attached felt reports
- JMA Japan monitoring record