Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Antarctic Peninsula

HW-MN1305983 – Residency

3rd sighting in Antarctic Peninsula
Fluke of HW-MN1305983
HW-MN1305983 Confirmed in the catalog @118141
Jan 28 – Mar 15, 2026 · Antarctic Peninsula

Antarctic Peninsula · Jan – Mar 2026

62 m
Deepest dive
2:57
Longest dive
35
Dives
Sightings
3
Days between first and last sighting
46
Deepest dive on record
62 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 28, 2026108 m2.6°C60 m
Mar 2, 2026359 m—37 m
Mar 15, 2026377 m—62 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jan 28, 2026 — seafloor 108 m (measured), deepest dive 60 m (modelled)Jan 28Mar 2, 2026 — seafloor 359 m (measured), deepest dive 37 m (modelled)Mar 2Mar 15, 2026 — seafloor 377 m (measured), deepest dive 62 m (modelled)Mar 15

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

62 m
Deepest dive
2:57
Longest dive
35
Dives
22 m
Avg dive depth
3
Sightings
46
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010062 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (377 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Mar 15, 2026

measured
Seafloor depth
377 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 3 sightings

measured
Seafloor depth
108 m – 377 m
Sea-surface temperature
2.6°C
Distance from shore
1.0 km – 2.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 3 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.