| Hitachi Maru Incident | |||||||
|---|---|---|---|---|---|---|---|
| Part of the Russo-Japanese War | |||||||
 Hitachi Maru in 1898 | |||||||
| |||||||
| Belligerents | |||||||
 Empire of Japan |
 Russian Empire | ||||||
| Commanders and leaders | |||||||
 Inosuke Higo † Genjiro Suchi † Giichi Tamura † |
 Petr Bezobrazov | ||||||
| Strength | |||||||
| 3 unarmed transports | 3 armored cruisers | ||||||
| Casualties and losses | |||||||
|
2 ships sunk 1 grounded 1,334 killed 112 wounded | None | ||||||
The Hitachi Maru Incident (常陸丸事件, Hitachi-maru jiken) was a maritime incident which occurred during the Russo-Japanese War of 1904–1905, in which three Japanese military transports were sunk in a Russian commerce raiding sortie by a Vladivostok-based armored cruiser squadron of the Imperial Russian Navy.