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

Two-Faces – Residency

17th sighting in Monterey Bay
Fluke of Two-Faces
Two-Faces Confirmed in the catalog @2431
Aug 19 – Sep 16, 2023 · Monterey Bay

Late Summer at Monterey

The familiar waters called me back again, faces turned toward the August sun.

90 m
Deepest dive
2:32
Longest dive
23
Dives
Sightings
2
Days between first and last sighting
28

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Aug 19, 2023385 m17.4°C90 m
Sep 16, 2023567 m16.4°C29 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 19, 2023 — seafloor 385 m (measured), deepest dive 90 m (modelled)Aug 19Sep 16, 2023 — seafloor 567 m (measured), deepest dive 29 m (modelled)Sep 16

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

Dives

90 m
Deepest dive
2:32
Longest dive
23
Dives
18 m
Avg dive depth
2
Sightings
28
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010090 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (385 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.

Unlock with Risa Deep

Place

Where this happened · Aug 19, 2023

measured
Seafloor depth
385 m
Sea-surface temperature
17.4°C
Distance from shore
16.0 km

Across the residency · 2 sightings

measured
Seafloor depth
385 m – 567 m
Sea-surface temperature
16.4°C – 17.4°C
Distance from shore
16.0 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 2 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.