CRC-15850 – Residency
2nd sighting in Gulf of the Farallones
CRC-15850 @983
Apr 19, 2026 · Gulf of the Farallones
New Water, Old Fluke
Cold green swell off the Farallones, and somehow it's my first time here.
372 m
Deepest dive
11:54
Longest dive
33
Dives
- Sightings
- 2
- Days between first and last sighting
- Same day
- Deepest dive on record
- 372 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) |
|---|---|---|---|
| Apr 19, 2026 | 901 m | 13.9°C | 338 m |
| Apr 19, 2026 | 1,590 m | 14.2°C | 372 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
372 m
Deepest dive
11:54
Longest dive
33
Dives
59 m
Avg dive depth
2
Sightings
Same day
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 (1,590 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Apr 19, 2026
measured- Seafloor depth
- 1,590 m
- Sea-surface temperature
- 14.2°C
- Distance from shore
- 47.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 901 m – 1,590 m
- Sea-surface temperature
- 13.9°C – 14.2°C
- Distance from shore
- 42.0 km – 47.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.