HW-MN1308843 – Residency
4th sighting in Antarctic Peninsula
HW-MN1308843 @153231
Feb 18 – Mar 7, 2026 · Antarctic Peninsula
Antarctic Peninsula · Feb – Mar 2026
155 m
Deepest dive
5:29
Longest dive
29
Dives
- Sightings
- 4
- Days between first and last sighting
- 17
- Deepest dive on record
- 155 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 18, 2026 | 230 m | 1.9°C | 155 m |
| Mar 5, 2026 | -1 m | 2.4°C | — |
| Mar 6, 2026 | 40 m | — | 32 m |
| Mar 7, 2026 | -73 m | 2.4°C | — |
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
155 m
Deepest dive
5:29
Longest dive
29
Dives
34 m
Avg dive depth
4
Sightings
17
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 (230 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 18, 2026
measured- Seafloor depth
- 230 m
- Sea-surface temperature
- 1.9°C
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- -73 m – 230 m
- Sea-surface temperature
- 1.9°C – 2.4°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.