Magma – Residency
25th sighting in Lynn Canal & Stephens Passage
Magma @17127
Jul 4 – Sep 20, 2018 · Lynn Canal & Stephens Passage
Lynn Canal & Stephens Passage · Jul – Sep 2018
67 m
Deepest dive
3:05
Longest dive
86
Dives
- Sightings
- 7
- Days between first and last sighting
- 77
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 4, 2018 | 113 m | 12.6°C | 54 m |
| Jul 16, 2018 | 180 m | 12.4°C | 56 m |
| Jul 24, 2018 | 79 m | 11.7°C | 43 m |
| Aug 6, 2018 | 114 m | 13.5°C | 67 m |
| Sep 8, 2018 | 71 m | 11.8°C | 44 m |
| Sep 14, 2018 | 72 m | 10.5°C | 66 m |
| Sep 20, 2018 | 144 m | 10.1°C | 53 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
67 m
Deepest dive
3:05
Longest dive
86
Dives
25 m
Avg dive depth
7
Sightings
77
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 (114 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 6, 2018
measured- Seafloor depth
- 114 m
- Sea-surface temperature
- 13.5°C
- Distance from shore
- 1.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 71 m – 180 m
- Sea-surface temperature
- 10.1°C – 13.5°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.