Quadrata – Residency
6th sighting in Chatham Strait
Quadrata @147350
Jun 13 – Aug 10, 2026 · Chatham Strait
Chatham Strait, thick with company
Herring running, whales everywhere, and I'm right in the middle of it.
169 m
Deepest dive
5:38
Longest dive
95
Dives
- Sightings
- 6
- Days between first and last sighting
- 58
- Deepest dive on record
- 169 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 13, 2026 | 195 m | 10.3°C | 79 m |
| Jun 20, 2026 | 53 m | 11.1°C | 35 m |
| Jul 30, 2026 | 307 m | 13.1°C | 169 m |
| Aug 6, 2026 | 333 m | 13.4°C | 56 m |
| Aug 8, 2026 | 95 m | 12.7°C | 47 m |
| Aug 10, 2026 | 333 m | 14.2°C | 86 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
169 m
Deepest dive
5:38
Longest dive
95
Dives
24 m
Avg dive depth
6
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 (307 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 30, 2026
measured- Seafloor depth
- 307 m
- Sea-surface temperature
- 13.1°C
- Distance from shore
- 2.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 53 m – 333 m
- Sea-surface temperature
- 10.3°C – 14.2°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 6 catalogued encounters on Happywhale.