Twain – Residency
7th sighting in Chatham Strait
Twain @15200
Aug 6 – 19, 2021 · Chatham Strait
Chatham Strait · Aug 2021
108 m
Deepest dive
3:34
Longest dive
32
Dives
- Sightings
- 3
- Days between first and last sighting
- 13
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 6, 2021 | 93 m | — | 81 m |
| Aug 18, 2021 | 155 m | — | 97 m |
| Aug 19, 2021 | 148 m | — | 108 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
108 m
Deepest dive
3:34
Longest dive
32
Dives
29 m
Avg dive depth
3
Sightings
13
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 (148 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 19, 2021
measured- Seafloor depth
- 148 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 93 m – 155 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.