HW-MN1301361 – Residency
5th sighting in Antarctic Peninsula
HW-MN1301361 @18678
Dec 30, 2025 – Mar 14, 2026 · Antarctic Peninsula
Antarctic Peninsula · Dec 2025 – Mar 2026
141 m
Deepest dive
4:37
Longest dive
52
Dives
- Sightings
- 4
- Days between first and last sighting
- 74
- Deepest dive on record
- 141 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 30, 2025 | 248 m | — | 98 m |
| Feb 23, 2026 | 354 m | — | 141 m |
| Feb 26, 2026 | 12 m | — | 11 m |
| Mar 14, 2026 | 250 m | 1.8°C | 74 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
141 m
Deepest dive
4:37
Longest dive
52
Dives
21 m
Avg dive depth
4
Sightings
74
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 (354 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 23, 2026
measured- Seafloor depth
- 354 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 12 m – 354 m
- Sea-surface temperature
- 1.8°C
- Distance from shore
- 2.0 km – 5.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.