Quartz – Residency
9th sighting in Johnstone Strait & Broughton
Quartz @11261
Jul 13 – Aug 24, 2023 · Johnstone Strait & Broughton
Johnstone Strait & Broughton · Jul – Aug 2023
85 m
Deepest dive
2:58
Longest dive
55
Dives
- Sightings
- 6
- Days between first and last sighting
- 42
- Deepest dive on record
- 85 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) |
|---|---|---|---|
| Jul 13, 2023 | 76 m | — | 49 m |
| Jul 22, 2023 | 430 m | — | 26 m |
| Jul 25, 2023 | 90 m | — | 51 m |
| Jul 29, 2023 | 106 m | — | 85 m |
| Aug 1, 2023 | 131 m | — | 27 m |
| Aug 24, 2023 | 141 m | — | 64 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
85 m
Deepest dive
2:58
Longest dive
55
Dives
21 m
Avg dive depth
6
Sightings
42
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 (106 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 29, 2023
measured- Seafloor depth
- 106 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 76 m – 430 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 4.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.