Sherona – Residency
15th sighting in Chatham Strait
Sherona @6441
Jul 14 – Aug 24, 2022 · Chatham Strait
Chatham Strait · Jul – Aug 2022
93 m
Deepest dive
3:09
Longest dive
90
Dives
- Sightings
- 9
- Days between first and last sighting
- 41
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 14, 2022 | 71 m | 12.5°C | 50 m |
| Jul 14, 2022 | 43 m | 12.5°C | 35 m |
| Jul 15, 2022 | 102 m | 12.5°C | 93 m |
| Jul 15, 2022 | 59 m | 12.4°C | 40 m |
| Jul 15, 2022 | 95 m | 12.4°C | 79 m |
| Aug 1, 2022 | 117 m | 13.6°C | 36 m |
| Aug 1, 2022 | 99 m | 12.2°C | 74 m |
| Aug 4, 2022 | 46 m | 12.5°C | 29 m |
| Aug 24, 2022 | 52 m | 13.5°C | 27 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
93 m
Deepest dive
3:09
Longest dive
90
Dives
21 m
Avg dive depth
9
Sightings
41
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 (102 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 15, 2022
measured- Seafloor depth
- 102 m
- Sea-surface temperature
- 12.5°C
- Distance from shore
- 1.0 km
Across the residency · 9 sightings
measured- Seafloor depth
- 43 m – 117 m
- Sea-surface temperature
- 12.2°C – 13.6°C
- Distance from shore
- 1.0 km – 4.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.