Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Iceland

HW-MN0103521 – Residency

6th sighting in Iceland
Fluke of HW-MN0103521
HW-MN0103521 Confirmed in the catalog @113287
Apr 26 – May 17, 2026 · Iceland

Spring in the Green Water

Lenses kept finding me all through this cold spell—good company, good feeding.

87 m
Deepest dive
3:19
Longest dive
24
Dives
Sightings
3
Days between first and last sighting
21
Deepest dive on record
87 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 26, 2026156 m5.0°C87 m
May 16, 202682 m5.8°C26 m
May 17, 202687 m5.8°C79 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Apr 26, 2026 — seafloor 156 m (measured), deepest dive 87 m (modelled)Apr 26May 16, 2026 — seafloor 82 m (measured), deepest dive 26 m (modelled)May 16May 17, 2026 — seafloor 87 m (measured), deepest dive 79 m (modelled)May 17

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

87 m
Deepest dive
3:19
Longest dive
24
Dives
23 m
Avg dive depth
3
Sightings
21
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010087 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (156 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Apr 26, 2026

measured
Seafloor depth
156 m
Sea-surface temperature
5.0°C
Distance from shore
8.0 km

Across the residency · 3 sightings

measured
Seafloor depth
82 m – 156 m
Sea-surface temperature
5.0°C – 5.8°C
Distance from shore
3.0 km – 8.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 3 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.