Quartz – Residency
13th sighting in Johnstone Strait & Broughton
Quartz @11261
Aug 9 – 17, 2024 · Johnstone Strait & Broughton
Johnstone Strait & Broughton · Aug 2024
71 m
Deepest dive
3:57
Longest dive
76
Dives
- Sightings
- 4
- Days between first and last sighting
- 8
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 9, 2024 | 92 m | 11.2°C | 56 m |
| Aug 13, 2024 | 69 m | 13.7°C | 41 m |
| Aug 14, 2024 | 80 m | 15.7°C | 71 m |
| Aug 17, 2024 | 56 m | 16.5°C | 40 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
71 m
Deepest dive
3:57
Longest dive
76
Dives
21 m
Avg dive depth
4
Sightings
8
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 (80 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 14, 2024
measured- Seafloor depth
- 80 m
- Sea-surface temperature
- 15.7°C
- Distance from shore
- 1.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 56 m – 92 m
- Sea-surface temperature
- 11.2°C – 16.5°C
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.