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

HW-MN1307300 – Residency

5th sighting in Antarctic Peninsula
Fluke of HW-MN1307300
HW-MN1307300 Confirmed in the catalog @136528
Feb 23 – Mar 9, 2026 · Antarctic Peninsula

Antarctic Peninsula · Feb – Mar 2026

98 m
Deepest dive
3:24
Longest dive
17
Dives
Sightings
4
Days between first and last sighting
14
Deepest dive on record
98 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 23, 2026-2 m1.9°C—
Feb 24, 2026136 m1.9°C44 m
Feb 25, 2026297 m—98 m
Mar 9, 202677 m2.5°C45 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
Feb 23, 2026 — seafloor -2 m (measured), deepest dive — (modelled)Feb 23Feb 24, 2026 — seafloor 136 m (measured), deepest dive 44 m (modelled)Feb 24Feb 25, 2026 — seafloor 297 m (measured), deepest dive 98 m (modelled)Feb 25Mar 9, 2026 — seafloor 77 m (measured), deepest dive 45 m (modelled)Mar 9

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

Dives

98 m
Deepest dive
3:24
Longest dive
17
Dives
27 m
Avg dive depth
4
Sightings
14
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010098 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (297 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 · Feb 25, 2026

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

Across the residency · 4 sightings

measured
Seafloor depth
-2 m – 297 m
Sea-surface temperature
1.9°C – 2.5°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 4 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.