Big Mama – Residency
4th sighting in Salish Sea
Big Mama @2120
Oct 4 – 11, 2008 · Salish Sea
Salish Sea · Oct 2008
130 m
Deepest dive
5:58
Longest dive
21
Dives
- Sightings
- 2
- Days between first and last sighting
- 7
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Oct 4, 2008 | 31 m | 9.9°C | 22 m |
| Oct 11, 2008 | 174 m | 9.5°C | 130 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
130 m
Deepest dive
5:58
Longest dive
21
Dives
22 m
Avg dive depth
2
Sightings
7
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 (174 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 11, 2008
measured- Seafloor depth
- 174 m
- Sea-surface temperature
- 9.5°C
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 31 m – 174 m
- Sea-surface temperature
- 9.5°C – 9.9°C
- Distance from shore
- 6.0 km – 7.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.