Observation · Earthquake Activity
M4.2 — 147 km WSW of Adak, Alaska
The source recorded 4.2 M for this item, in Alaska. Everything below is what that source published, with the times this observatory received it — no part of it is inferred.
Reading
- Value
- 4.2 M
- Source severity
- none supplied by the source
- Region
- Alaska
- Coordinates
- 51.160, -178.430(exact)
- Data quality
- complete as published
Evidence and provenance
- Source
- USGS
- Source record ID
- us7000tupa
- Observed at
- First ingested here
- Last refreshed from source
Additional fields the source published (7)
- place
- 147 km WSW of Adak, Alaska
- tsunami
- 0
- depth_km
- 31.862
- mag_type
- mb
- significance
- 271
- review_status
- reviewed
- source_updated
- 2026-11-01T11:32:08.040Z