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

Excalibur – Residency

8th sighting in Iceland
Fluke of Excalibur
Excalibur Confirmed in the catalog @82717
Sep 2 – Dec 11, 2024 · Iceland

Iceland · Sep – Dec 2024

113 m
Deepest dive
3:54
Longest dive
29
Dives
Sightings
4
Days between first and last sighting
100
Deepest dive on record
113 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 2, 2024125 m—65 m
Sep 3, 2024124 m—113 m
Sep 27, 202488 m—30 m
Dec 11, 2024109 m—84 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
Sep 2, 2024 — seafloor 125 m (measured), deepest dive 65 m (modelled)Sep 2Sep 3, 2024 — seafloor 124 m (measured), deepest dive 113 m (modelled)Sep 3Sep 27, 2024 — seafloor 88 m (measured), deepest dive 30 m (modelled)Sep 27Dec 11, 2024 — seafloor 109 m (measured), deepest dive 84 m (modelled)Dec 11

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

Dives

113 m
Deepest dive
3:54
Longest dive
29
Dives
33 m
Avg dive depth
4
Sightings
100
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150113 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (124 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 3, 2024

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

Across the residency · 4 sightings

measured
Seafloor depth
88 m – 125 m
Sea-surface temperature
—
Distance from shore
2.0 km – 3.0 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 4 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.