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

Heartline – Residency

11th sighting in Iceland
Fluke of Heartline
Heartline Confirmed in the catalog @60454
Aug 26 – Sep 27, 2024 · Iceland

Iceland · Aug – Sep 2024

117 m
Deepest dive
4:23
Longest dive
68
Dives
Sightings
5
Days between first and last sighting
32
Deepest dive on record
117 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 26, 2024125 m—109 m
Sep 2, 2024117 m—35 m
Sep 3, 2024121 m—81 m
Sep 20, 2024131 m—117 m
Sep 27, 2024125 m—45 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
Aug 26, 2024 — seafloor 125 m (measured), deepest dive 109 m (modelled)Aug 26Sep 2, 2024 — seafloor 117 m (measured), deepest dive 35 m (modelled)Sep 2Sep 3, 2024 — seafloor 121 m (measured), deepest dive 81 m (modelled)Sep 3Sep 20, 2024 — seafloor 131 m (measured), deepest dive 117 m (modelled)Sep 20Sep 27, 2024 — seafloor 125 m (measured), deepest dive 45 m (modelled)Sep 27

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

Dives

117 m
Deepest dive
4:23
Longest dive
68
Dives
25 m
Avg dive depth
5
Sightings
32
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150117 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (131 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 · Sep 20, 2024

measured
Seafloor depth
131 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 5 sightings

measured
Seafloor depth
117 m – 131 m
Sea-surface temperature
—
Distance from shore
3.0 km – 8.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 5 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.