Radioville – Residency
16th sighting in Chatham Strait
Radioville @26867
May 28 – Aug 15, 2025 · Chatham Strait
Chatham Strait · May – Aug 2025
140 m
Deepest dive
4:41
Longest dive
78
Dives
- Sightings
- 6
- Days between first and last sighting
- 79
- Deepest dive on record
- 140 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) |
|---|---|---|---|
| May 28, 2025 | 98 m | 7.9°C | 35 m |
| Jun 28, 2025 | 25 m | 12.2°C | 23 m |
| Jul 8, 2025 | 187 m | 12.5°C | 140 m |
| Jul 18, 2025 | 130 m | 12.1°C | 32 m |
| Jul 28, 2025 | 86 m | 13.6°C | 67 m |
| Aug 15, 2025 | 201 m | 14.1°C | 127 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
140 m
Deepest dive
4:41
Longest dive
78
Dives
23 m
Avg dive depth
6
Sightings
79
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 (187 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 8, 2025
measured- Seafloor depth
- 187 m
- Sea-surface temperature
- 12.5°C
- Distance from shore
- 1.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 25 m – 201 m
- Sea-surface temperature
- 7.9°C – 14.1°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.