Gregoriana – Residency
12th sighting in Chatham Strait
Gregoriana @13319
Jul 19 – Sep 7, 2021 · Chatham Strait
Chatham Strait · Jul – Sep 2021
85 m
Deepest dive
4:00
Longest dive
86
Dives
- Sightings
- 7
- Days between first and last sighting
- 50
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 19, 2021 | 115 m | — | 51 m |
| Aug 20, 2021 | 111 m | — | 58 m |
| Aug 21, 2021 | 121 m | — | 81 m |
| Aug 22, 2021 | 111 m | — | 85 m |
| Aug 27, 2021 | 78 m | — | 56 m |
| Aug 27, 2021 | 48 m | — | 29 m |
| Sep 7, 2021 | 82 m | — | 33 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
4:00
Longest dive
86
Dives
23 m
Avg dive depth
7
Sightings
50
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 (111 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 22, 2021
measured- Seafloor depth
- 111 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 48 m – 121 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 7 catalogued encounters on Happywhale.