CRC-21577 – Residency
4th sighting in Santa Barbara Channel
CRC-21577 @99219
Aug 16 – Oct 21, 2025 · Santa Barbara Channel
Santa Barbara Channel · Aug – Oct 2025
73 m
Deepest dive
2:35
Longest dive
35
Dives
- Sightings
- 4
- Days between first and last sighting
- 66
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 16, 2025 | 431 m | — | 54 m |
| Oct 21, 2025 | 429 m | — | 62 m |
| Oct 21, 2025 | 792 m | — | 73 m |
| Oct 21, 2025 | 277 m | — | 57 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
73 m
Deepest dive
2:35
Longest dive
35
Dives
28 m
Avg dive depth
4
Sightings
66
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 (792 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 21, 2025
measured- Seafloor depth
- 792 m
- Sea-surface temperature
- —
- Distance from shore
- 8.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 277 m – 792 m
- Sea-surface temperature
- —
- Distance from shore
- 8.0 km – 17.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.