Defenestration – Residency
18th sighting in Chatham StraitDefenestration @16924
Jul 25 – Oct 5, 2021 · Chatham Strait
Chatham Strait · Jul – Oct 2021
139 m
Deepest dive
5:22
Longest dive
103
Dives
- Sightings
- 8
- 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) |
|---|---|---|---|
| Jul 25, 2021 | 69 m | 12.0°C | 38 m |
| Jul 25, 2021 | 165 m | 12.1°C | 94 m |
| Jul 25, 2021 | 573 m | 12.7°C | 137 m |
| Jul 26, 2021 | 165 m | 12.9°C | 139 m |
| Jul 27, 2021 | 66 m | 12.7°C | 51 m |
| Jul 27, 2021 | 165 m | 12.7°C | 83 m |
| Jul 28, 2021 | 48 m | 12.7°C | 26 m |
| Oct 5, 2021 | 82 m | 8.2°C | 54 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
5:22
Longest dive
103
Dives
26 m
Avg dive depth
8
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 (165 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 26, 2021
measured- Seafloor depth
- 165 m
- Sea-surface temperature
- 12.9°C
- Distance from shore
- 1.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 48 m – 573 m
- Sea-surface temperature
- 8.2°C – 12.9°C
- Distance from shore
- 1.0 km – 4.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.