PL2018_1009

Spotted seal

waterearth

Spotted seal (Phoca largha) is the marine animal followed in the study “Spotted seal (Phoca largha) location data from a satellite telemetry tag (ptt id 174822) deployed in the Bering Sea from 2018-04-14 to 2018-11-03, deployment id 5ad19120efec72080c8921a9”. Positions come from a satellite tag. The newest published position was recorded 3 Nov 2018, 6:01 pm. Released by IOOS Animal Telemetry Network (ERDDAP). The study is finished, so this is an archive, not a live location.

Finding a photograph…

Satellite photograph centred on the latest published position of this Spotted seal. — Satellite photograph of the latest published position. Imagery: Esri, Maxar, Earthstar Geographics, and the GIS User Community.

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Tamara's note

Spotted seal (Phoca largha) location data from a satellite telemetry tag (ptt id 174822) deployed in the Bering Sea from 2018-04-14 to 2018-11-03, deployment id 5ad19120efec72080c8921a9: 262 historical reports newly added to this application.

Movement summary

Window 14 Apr 2018, 2:48 pm → 3 Nov 2018, 6:01 pm · 262 accepted reports · algorithm movement-summary/1.0.0

Reported-position distance: 2,851 km
Segments / gaps: 18 / 16
Longest gap: 32.4 days
Median interval: 2 h
Fastest segment: 614 km/h between reports

Flagged for review · 317 flags

source qc · 262 flags across 262 reports
Source QC flags: type:Argos, qartod_time:1, qartod_speed:2, qartod_location:1, qartod_rollup:1.
application qc · 38 flags across 38 reports
Application QC flags: source_qc_fail, exclude_from_trail.
implausible displacement rate · 17 flags across 29 reports
Displacement of 8 km in 0.0 h exceeds the review threshold; may reflect positioning uncertainty, assignment problems or an outlier.

16 gap(s) longer than the 72 h gap rule; the route during each gap is unknown.

Deployments

Tag	Technology	Started	Ended	Status	Reports
satellite argos (Wildlife)	satellite_argos · NetCDF file created from position data obtained from Wildlife Computers API.	14 Apr 2018, 2:54 pm	3 Nov 2018, 6:00 pm	Ended (per provider)	262

Planet Journal

Journey available

Spotted seal in the Bering Sea, 2018

262 older reports from this track are now in the archive. They were added here; they are not a fresh movement.

Published 27 Oct 2026, 7:59 am · evidence checked 27 Oct 2026, 7:59 am

Journey available

Spotted seal in the Bering Sea, 2018

262 older reports from this track are now in the archive. They were added here; they are not a fresh movement.

Published 27 Oct 2026, 7:29 am · evidence checked 27 Oct 2026, 7:29 am

Journey available

Spotted seal in the Bering Sea, 2018

262 older reports from this track are now in the archive. They were added here; they are not a fresh movement.

Published 27 Oct 2026, 7:29 am · evidence checked 27 Oct 2026, 7:29 am

References

Citation recorded from dataset metadata at metadata check.

Generated 27 Oct 2026, 9:08 am under publication policy policy:atn-erddap:default@1,policy:crossref:metadata@1,policy:gbif:default@1,policy:motus@1,policy:obis:default@1,policy:ocearch:default@1,policy:otn-geoserver:default@1,policy:stc:default@1.