Brontosaurus Neck – Residency
2nd sighting in Gulf of the Farallones
Brontosaurus Neck @3667
Aug 10 – Sep 9, 2023 · Gulf of the Farallones
Gulf of the Farallones · Aug – Sep 2023
45 m
Deepest dive
2:01
Longest dive
20
Dives
- Sightings
- 2
- Days between first and last sighting
- 30
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 10, 2023 | 33 m | — | 28 m |
| Sep 9, 2023 | 51 m | — | 45 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
45 m
Deepest dive
2:01
Longest dive
20
Dives
15 m
Avg dive depth
2
Sightings
30
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 (51 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 9, 2023
measured- Seafloor depth
- 51 m
- Sea-surface temperature
- —
- Distance from shore
- 18.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 33 m – 51 m
- Sea-surface temperature
- —
- Distance from shore
- 14.0 km – 18.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.