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

Thunderbolt – Residency

3rd sighting in Salish Sea
Fluke of Thunderbolt
Thunderbolt Confirmed in the catalog @100218
Jun 19 – Sep 9, 2023 · Salish Sea

Salish Sea · Jun – Sep 2023

82 m
Deepest dive
4:08
Longest dive
39
Dives
Sightings
3
Days between first and last sighting
82

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 19, 2023136 m—82 m
Jul 19, 2023134 m—62 m
Sep 9, 2023231 m—52 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
Jun 19, 2023 — seafloor 136 m (measured), deepest dive 82 m (modelled)Jun 19Jul 19, 2023 — seafloor 134 m (measured), deepest dive 62 m (modelled)Jul 19Sep 9, 2023 — seafloor 231 m (measured), deepest dive 52 m (modelled)Sep 9

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

Dives

82 m
Deepest dive
4:08
Longest dive
39
Dives
30 m
Avg dive depth
3
Sightings
82
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010082 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (136 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 · Jun 19, 2023

measured
Seafloor depth
136 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
134 m – 231 m
Sea-surface temperature
—
Distance from shore
1.0 km – 11.0 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 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.