Mata Hari – Residency
40th sighting in Iceland
Mata Hari @38812
Jul 4 – Aug 4, 2025 · Iceland
Iceland · Jul – Aug 2025
47 m
Deepest dive
1:52
Longest dive
49
Dives
- Sightings
- 5
- Days between first and last sighting
- 31
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 4, 2025 | 42 m | 11.3°C | 28 m |
| Jul 5, 2025 | 39 m | 11.4°C | 35 m |
| Jul 7, 2025 | 94 m | 11.1°C | 47 m |
| Jul 8, 2025 | 42 m | 11.5°C | 32 m |
| Aug 4, 2025 | 55 m | 11.4°C | 46 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
47 m
Deepest dive
1:52
Longest dive
49
Dives
16 m
Avg dive depth
5
Sightings
31
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 (94 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 7, 2025
measured- Seafloor depth
- 94 m
- Sea-surface temperature
- 11.1°C
- Distance from shore
- 33.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 39 m – 94 m
- Sea-surface temperature
- 11.1°C – 11.5°C
- Distance from shore
- 5.0 km – 33.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.