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

David Jones II – Residency

23rd sighting in Iceland
Fluke of David Jones II
David Jones II Confirmed in the catalog @48273
Apr 18 – Aug 4, 2022 · Iceland

Iceland · Apr – Aug 2022

24 m
Deepest dive
1:21
Longest dive
74
Dives
Sightings
4
Days between first and last sighting
107

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 18, 202226 m5.8°C21 m
Jul 11, 202226 m9.4°C22 m
Jul 28, 202226 m11.3°C24 m
Aug 4, 202226 m10.8°C17 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 18, 2022 — seafloor 26 m (measured), deepest dive 21 m (modelled)Apr 18Jul 11, 2022 — seafloor 26 m (measured), deepest dive 22 m (modelled)Jul 11Jul 28, 2022 — seafloor 26 m (measured), deepest dive 24 m (modelled)Jul 28Aug 4, 2022 — seafloor 26 m (measured), deepest dive 17 m (modelled)Aug 4

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

Dives

24 m
Deepest dive
1:21
Longest dive
74
Dives
12 m
Avg dive depth
4
Sightings
107
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255024 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (26 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 · Jul 28, 2022

measured
Seafloor depth
26 m
Sea-surface temperature
11.3°C
Distance from shore
13.0 km

Across the residency · 4 sightings

measured
Seafloor depth
26 m
Sea-surface temperature
5.8°C – 11.3°C
Distance from shore
13.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · 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.