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

Magma – Residency

5th sighting in Chatham Strait
Fluke of Magma
Magma Confirmed in the catalog @17127
Jun 1 – Aug 16, 2022 · Chatham Strait

Chatham Strait · Jun – Aug 2022

167 m
Deepest dive
6:12
Longest dive
154
Dives
Sightings
13
Days between first and last sighting
75

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 1, 2022369 m9.8°C167 m
Jun 1, 2022245 m10.0°C162 m
Jun 26, 202296 m11.3°C81 m
Jul 6, 202295 m12.1°C69 m
Jul 14, 202240 m12.5°C36 m
Jul 18, 202283 m14.4°C70 m
Jul 19, 202290 m13.8°C54 m
Jul 23, 202211 m13.9°C10 m
Jul 23, 2022127 m14.0°C96 m
Jul 25, 2022155 m13.7°C107 m
Jul 27, 202299 m13.4°C51 m
Aug 15, 202285 m14.1°C50 m
Aug 16, 202232 m13.4°C20 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 1, 2022 — seafloor 369 m (measured), deepest dive 167 m (modelled)Jun 1Jun 1, 2022 — seafloor 245 m (measured), deepest dive 162 m (modelled)Jun 26, 2022 — seafloor 96 m (measured), deepest dive 81 m (modelled)Jul 6, 2022 — seafloor 95 m (measured), deepest dive 69 m (modelled)Jul 6Jul 14, 2022 — seafloor 40 m (measured), deepest dive 36 m (modelled)Jul 18, 2022 — seafloor 83 m (measured), deepest dive 70 m (modelled)Jul 19, 2022 — seafloor 90 m (measured), deepest dive 54 m (modelled)Jul 19Jul 23, 2022 — seafloor 11 m (measured), deepest dive 10 m (modelled)Jul 23, 2022 — seafloor 127 m (measured), deepest dive 96 m (modelled)Jul 25, 2022 — seafloor 155 m (measured), deepest dive 107 m (modelled)Jul 25Jul 27, 2022 — seafloor 99 m (measured), deepest dive 51 m (modelled)Aug 15, 2022 — seafloor 85 m (measured), deepest dive 50 m (modelled)Aug 16, 2022 — seafloor 32 m (measured), deepest dive 20 m (modelled)Aug 16

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

Dives

167 m
Deepest dive
6:12
Longest dive
154
Dives
27 m
Avg dive depth
13
Sightings
75
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200167 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (369 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 1, 2022

measured
Seafloor depth
369 m
Sea-surface temperature
9.8°C
Distance from shore
10.0 km

Across the residency · 13 sightings

measured
Seafloor depth
11 m – 369 m
Sea-surface temperature
9.8°C – 14.4°C
Distance from shore
1.0 km – 10.0 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 13 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.