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

HW-MN1304883 – Residency

3rd sighting in Antarctic Peninsula
Fluke of HW-MN1304883
HW-MN1304883 Confirmed in the catalog @100824
Feb 15 – 23, 2026 · Antarctic Peninsula

Antarctic Peninsula · Feb 2026

55 m
Deepest dive
2:49
Longest dive
31
Dives
Sightings
2
Days between first and last sighting
8

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Feb 15, 2026389 m2.0°C55 m
Feb 23, 2026374 m—21 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 15, 2026 — seafloor 389 m (measured), deepest dive 55 m (modelled)Feb 15Feb 23, 2026 — seafloor 374 m (measured), deepest dive 21 m (modelled)Feb 23

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

Dives

55 m
Deepest dive
2:49
Longest dive
31
Dives
20 m
Avg dive depth
2
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010055 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (389 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.

Unlock with Risa Deep

Place

Where this happened · Feb 15, 2026

measured
Seafloor depth
389 m
Sea-surface temperature
2.0°C
Distance from shore
5.0 km

Across the residency · 2 sightings

measured
Seafloor depth
374 m – 389 m
Sea-surface temperature
2.0°C
Distance from shore
1.0 km – 5.0 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 2 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).

Happywhale runs on donations: support Happywhale →

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