Marg Mortimer – Residency
11th sighting in Antarctic Peninsula
Marg Mortimer @25817
Nov 18, 2024 – Jan 30, 2025 · Antarctic Peninsula
Antarctic Peninsula · Nov 2024 – Jan 2025
120 m
Deepest dive
6:14
Longest dive
35
Dives
- Sightings
- 4
- Days between first and last sighting
- 73
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Nov 18, 2024 | 687 m | — | 120 m |
| Nov 23, 2024 | 10 m | — | 7 m |
| Jan 24, 2025 | 545 m | — | 96 m |
| Jan 30, 2025 | 454 m | — | 119 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
120 m
Deepest dive
6:14
Longest dive
35
Dives
29 m
Avg dive depth
4
Sightings
73
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 (687 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Nov 18, 2024
measured- Seafloor depth
- 687 m
- Sea-surface temperature
- —
- Distance from shore
- 10.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 10 m – 687 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 10.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.