Twyla – Residency
34th sighting in Chatham Strait
Twyla @6414
Jun 27 – Aug 24, 2022 · Chatham Strait
Chatham Strait · Jun – Aug 2022
148 m
Deepest dive
5:05
Longest dive
73
Dives
- Sightings
- 7
- Days between first and last sighting
- 58
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 27, 2022 | 34 m | 11.9°C | 29 m |
| Jun 28, 2022 | 430 m | 11.6°C | 51 m |
| Jul 13, 2022 | 334 m | 13.8°C | 148 m |
| Jul 13, 2022 | 334 m | 13.8°C | 60 m |
| Jul 13, 2022 | 347 m | 12.8°C | 88 m |
| Aug 13, 2022 | 48 m | 12.4°C | 31 m |
| Aug 24, 2022 | 52 m | 13.5°C | 45 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
148 m
Deepest dive
5:05
Longest dive
73
Dives
29 m
Avg dive depth
7
Sightings
58
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 (334 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 13, 2022
measured- Seafloor depth
- 334 m
- Sea-surface temperature
- 13.8°C
- Distance from shore
- 1.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 34 m – 430 m
- Sea-surface temperature
- 11.6°C – 13.8°C
- Distance from shore
- 1.0 km – 9.0 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.