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

Ziggurat – Residency

17th sighting in Monterey Bay
Fluke of Ziggurat
Ziggurat Confirmed in the catalog @63
Jun 15 – Sep 16, 2018 · Monterey Bay

Monterey Bay · Jun – Sep 2018

145 m
Deepest dive
4:46
Longest dive
36
Dives
Sightings
3
Days between first and last sighting
93

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 15, 2018140 m12.5°C82 m
Jul 22, 2018105 m17.0°C40 m
Sep 16, 2018379 m15.8°C145 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 15, 2018 — seafloor 140 m (measured), deepest dive 82 m (modelled)Jun 15Jul 22, 2018 — seafloor 105 m (measured), deepest dive 40 m (modelled)Jul 22Sep 16, 2018 — seafloor 379 m (measured), deepest dive 145 m (modelled)Sep 16

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

Dives

145 m
Deepest dive
4:46
Longest dive
36
Dives
31 m
Avg dive depth
3
Sightings
93
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150145 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (379 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 · Sep 16, 2018

measured
Seafloor depth
379 m
Sea-surface temperature
15.8°C
Distance from shore
40.0 km

Across the residency · 3 sightings

measured
Seafloor depth
105 m – 379 m
Sea-surface temperature
12.5°C – 17.0°C
Distance from shore
2.0 km – 40.0 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.