Þröstur – Residency
10th sighting in Iceland
Þröstur @25126
Jul 24 – 28, 2026 · Iceland
Midsummer in the Shallows
Two coincidences off the west coast this July — I'll take that.
29 m
Deepest dive
1:19
Longest dive
22
Dives
- Sightings
- 2
- Days between first and last sighting
- 4
- Deepest dive on record
- 29 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) |
|---|---|---|---|
| Jul 24, 2026 | 35 m | 11.2°C | 29 m |
| Jul 28, 2026 | 26 m | 11.6°C | 23 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
29 m
Deepest dive
1:19
Longest dive
22
Dives
13 m
Avg dive depth
2
Sightings
4
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 (35 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 24, 2026
measured- Seafloor depth
- 35 m
- Sea-surface temperature
- 11.2°C
- Distance from shore
- 10.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 26 m – 35 m
- Sea-surface temperature
- 11.2°C – 11.6°C
- Distance from shore
- 10.0 km – 11.0 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.