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

Harold – Residency

5th sighting in Iceland
Fluke of Harold
Harold Confirmed in the catalog @54261
Aug 21 – Sep 6, 2023 · Iceland

Iceland · Aug – Sep 2023

—
Deepest dive
—
Longest dive
—
Dives
Sightings
5
Days between first and last sighting
16

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 21, 2023-0 m——
Aug 23, 2023-0 m——
Sep 4, 2023-0 m——
Sep 5, 2023-0 m——
Sep 6, 2023-0 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 21, 2023 — seafloor -0 m (measured), deepest dive — (modelled)Aug 21Aug 23, 2023 — seafloor -0 m (measured), deepest dive — (modelled)Aug 23Sep 4, 2023 — seafloor -0 m (measured), deepest dive — (modelled)Sep 4Sep 5, 2023 — seafloor -0 m (measured), deepest dive — (modelled)Sep 5Sep 6, 2023 — seafloor -0 m (measured), deepest dive — (modelled)Sep 6

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

Dives

—
Deepest dive
—
Longest dive
—
Dives
—
Avg dive depth
5
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
02550startdive sequence (illustrative)

Modelled from the published dive-behaviour distribution. 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 6, 2023

measured
Seafloor depth
-0 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 5 sightings

measured
Seafloor depth
-0 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 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.