Okhotsk

Kenny Lienhard, Plates, 2026

Palette: Kaolin, from taiga
Structure: Anticline
Drift: 2.5 cm a year, southeast

3,037,109 km², a minor plate

The Plate in detail

Okhotsk, seed 223

Plate 15 of 52 · one of one

Traits

Palette: Kaolin
Structure: Anticline
Event: None
Faults: One
Scale: Bold
Hang: Level
Accent: Repeated
Heading: Southeast, 144.3°
Speed: 2.52 cm a year

History

19.5 million years ago: The Sea of Japan opened, carrying northeast Japan, now on this plate, away from mainland Asia.

Sources: Jolivet, Tamaki and Fournier 1994, Journal of Geophysical Research 99:22237 · ICS International Chronostratigraphic Chart v2024/12 (Cohen et al. 2013, updated), stratigraphy.org

Technical notes

The file

90,020bytes, the whole work

74,112bytes of engine, gzip and base64

0network requests

2048 pxdrawn on up to 8 workers, at your screen’s size

One HTML file: the engine (151,144 bytes minified), this plate's data and a small loader. It reads your clock and slides the view to where the plate is today.

engine sha256 a7fbc03acc0fc9ba343881bb88ddaf2b7564564d8bc9cbed16e75e47e01fb3f2

Sources

The plate, its outline and its motionBird, P. (2003). An updated digital model of plate boundaries. Geochemistry, Geophysics, Geosystems 4(3), 1027.
What covers it, which chose the paletteESA CCI Land Cover and Water Bodies, ETOPO 2022, Köppen-Geiger climate maps, NSIDC Sea Ice Index.