BTBEL-Mn20_053A_H – Residency
4th sighting in Antarctic Peninsula
BTBEL-Mn20_053A_H @39717
Mar 4 – 23, 2026 · Antarctic Peninsula
Antarctic Peninsula · Mar 2026
139 m
Deepest dive
5:58
Longest dive
32
Dives
- Sightings
- 2
- Days between first and last sighting
- 19
- Deepest dive on record
- 139 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) |
|---|---|---|---|
| Mar 4, 2026 | 127 m | — | 107 m |
| Mar 23, 2026 | 364 m | 2.3°C | 139 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
139 m
Deepest dive
5:58
Longest dive
32
Dives
40 m
Avg dive depth
2
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 (364 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 23, 2026
measured- Seafloor depth
- 364 m
- Sea-surface temperature
- 2.3°C
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 127 m – 364 m
- Sea-surface temperature
- 2.3°C
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.