HW-MN1109231 – Residency
4th sighting in East Australia
HW-MN1109231 @131983
Sep 2 – 8, 2026 · East Australia
East Australia · Sep 2026
14 m
Deepest dive
0:53
Longest dive
28
Dives
- Sightings
- 2
- Days between first and last sighting
- 6
- Deepest dive on record
- 14 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) |
|---|---|---|---|
| Sep 2, 2026 | 15 m | 20.7°C | 13 m |
| Sep 8, 2026 | 16 m | 21.4°C | 14 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
14 m
Deepest dive
0:53
Longest dive
28
Dives
8 m
Avg dive depth
2
Sightings
6
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 (16 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 8, 2026
measured- Seafloor depth
- 16 m
- Sea-surface temperature
- 21.4°C
- Distance from shore
- 5.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 15 m – 16 m
- Sea-surface temperature
- 20.7°C – 21.4°C
- Distance from shore
- 4.0 km – 5.0 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.