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

Hornet – Residency

40th sighting in Salish Sea
Fluke of Hornet
Hornet Confirmed in the catalog @3720
Aug 17 – 25, 2024 · Salish Sea

Salish Sea · Aug 2024

88 m
Deepest dive
3:04
Longest dive
55
Dives
Sightings
3
Days between first and last sighting
8

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 17, 202476 m12.6°C52 m
Aug 18, 2024119 m12.3°C88 m
Aug 25, 2024165 m10.5°C61 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 17, 2024 — seafloor 76 m (measured), deepest dive 52 m (modelled)Aug 17Aug 18, 2024 — seafloor 119 m (measured), deepest dive 88 m (modelled)Aug 18Aug 25, 2024 — seafloor 165 m (measured), deepest dive 61 m (modelled)Aug 25

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

Dives

88 m
Deepest dive
3:04
Longest dive
55
Dives
24 m
Avg dive depth
3
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010088 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (119 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 · Aug 18, 2024

measured
Seafloor depth
119 m
Sea-surface temperature
12.3°C
Distance from shore
5.0 km

Across the residency · 3 sightings

measured
Seafloor depth
76 m – 165 m
Sea-surface temperature
10.5°C – 12.6°C
Distance from shore
4.0 km – 5.0 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 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.