Columbia – Residency
6th sighting in Salish Sea
Columbia @19629
Sep 19 – 21, 2025 · Salish Sea
Salish Sea · Sep 2025
71 m
Deepest dive
2:30
Longest dive
34
Dives
- Sightings
- 2
- Days between first and last sighting
- 2
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 19, 2025 | 31 m | — | 27 m |
| Sep 21, 2025 | 104 m | — | 71 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
2:30
Longest dive
34
Dives
17 m
Avg dive depth
2
Sightings
2
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 (104 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 21, 2025
measured- Seafloor depth
- 104 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 31 m – 104 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 3.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.