Mathilde – Residency
5th sighting in Iceland
Mathilde @82745
Jun 22 – 23, 2026 · Iceland
Iceland · Jun 2026
103 m
Deepest dive
4:10
Longest dive
16
Dives
- Sightings
- 2
- Days between first and last sighting
- 1
- Deepest dive on record
- 103 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) |
|---|---|---|---|
| Jun 22, 2026 | 189 m | 8.1°C | 103 m |
| Jun 23, 2026 | 171 m | 8.0°C | 60 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
103 m
Deepest dive
4:10
Longest dive
16
Dives
34 m
Avg dive depth
2
Sightings
1
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 (189 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 22, 2026
measured- Seafloor depth
- 189 m
- Sea-surface temperature
- 8.1°C
- Distance from shore
- 8.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 171 m – 189 m
- Sea-surface temperature
- 8.0°C – 8.1°C
- Distance from shore
- 7.0 km – 8.0 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.