HW-MN1304644 – Residency
5th sighting in Antarctic Peninsula
HW-MN1304644 @98557
Feb 4 – 27, 2026 · Antarctic Peninsula
Antarctic Peninsula · Feb 2026
89 m
Deepest dive
4:59
Longest dive
27
Dives
- Sightings
- 4
- Days between first and last sighting
- 23
- Deepest dive on record
- 89 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) |
|---|---|---|---|
| Feb 4, 2026 | 471 m | 2.1°C | 43 m |
| Feb 25, 2026 | 342 m | 1.9°C | 79 m |
| Feb 25, 2026 | 16 m | 1.4°C | 12 m |
| Feb 27, 2026 | 287 m | — | 89 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
89 m
Deepest dive
4:59
Longest dive
27
Dives
24 m
Avg dive depth
4
Sightings
23
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 (287 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 27, 2026
measured- Seafloor depth
- 287 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 16 m – 471 m
- Sea-surface temperature
- 1.4°C – 2.1°C
- Distance from shore
- 1.0 km – 3.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.