HW-MN1304879 – Residency
4th sighting in Antarctic Peninsula
HW-MN1304879 @100820
Dec 28, 2025 – Jan 16, 2026 · Antarctic Peninsula
Antarctic Peninsula · Dec 2025 – Jan 2026
101 m
Deepest dive
3:30
Longest dive
19
Dives
- Sightings
- 3
- Days between first and last sighting
- 19
- Deepest dive on record
- 101 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 28, 2025 | 221 m | — | 62 m |
| Jan 3, 2026 | 214 m | 2.5°C | 101 m |
| Jan 16, 2026 | 604 m | 3.2°C | 34 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
101 m
Deepest dive
3:30
Longest dive
19
Dives
25 m
Avg dive depth
3
Sightings
19
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (214 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 3, 2026
measured- Seafloor depth
- 214 m
- Sea-surface temperature
- 2.5°C
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 214 m – 604 m
- Sea-surface temperature
- 2.5°C – 3.2°C
- Distance from shore
- 1.0 km – 9.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.