Osore-yama volcan
stratovolcan 879 m / 2,884 ft
Honshu, Japon, 40.28°N / 141.12°E
Condition actuelle: normal / en sommeil (1 sur 5)
Honshu, Japon, 40.28°N / 141.12°E
Condition actuelle: normal / en sommeil (1 sur 5)
Osore-yama volcano is an active stratovolcano on the Shimokita Peninsula in northernmost Honshu, Japan.
It is known locally also as Yake-yama, or "Burning Mountain". Older residents reported that large fires and clouds were sometimes seen from the summit, but the only confirmed historic activity took place around 1787.
Earthquake swarms have been documented at Osore-yama during the second half of the 20th century, and magma bodies have been detected beneath the volcano.
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Eruptions du volcan Osore-yama: 1787 or before
Latest nearby earthquakes
| Heure | Mag. / Profondeur | Distance | Location | |
| Wed, 3 Mar 2021 (GMT) (1 tremblement de terre) | ||||
| 3 mars 2021 21:37 (GMT +9) (3 Mar 2021 12:37:12 GMT) | 3.0 16 km - Plus | 129 km | Mer du Japon, 65 km à l'ouest de Hirosaki, Préfecture dAomori, Japon | |
| Tue, 2 Mar 2021 (GMT) (2 earthquakes) | ||||
| 3 mars 2021 07:50 (GMT +9) (2 Mar 2021 22:50:58 GMT) | 2.6 57 km - Plus | 85 km | 15 km au nord-ouest de Miyako, Préfecture dIwate, Japon | |
| 3 mars 2021 03:56 (GMT +9) (2 Mar 2021 18:56:33 GMT) | 2.7 106 km - Plus | 49 km | Kunohe-gun, Préfecture dIwate, 21 km au sud-est de Hachinohe, Japon | |
| Mon, 1 Mar 2021 (GMT) (2 earthquakes) | ||||
| 2 mars 2021 00:41 (GMT +9) (1 Mar 2021 15:41:41 GMT) | 3.6 44 km - Plus | 90 km | Océan Pacifique Nord, 70 km au sud-est de Hachinohe, Préfecture dAomori, Japon | |
| 1 mars 2021 11:00 (GMT +9) (1 Mar 2021 02:00:44 GMT) | 2.8 37 km - Plus | 117 km | Océan Pacifique Nord, 51 km au nord-est de Miyako, Préfecture dIwate, Japon | |
Introduction
Osore-yama contains a 5 km wide caldera partly filled by a shallow lake draining through the northern caldera wall.Dissected lava domes ring the caldera floor. The andesitic-to-dacitic Osore-yama is largely Pleistocene in age, with activity dating back about 800,000 years. The last identified distal tephra deposit was erupted during the late Pleistocene. The only report of historical activity was in a Tohoku district travel document published in 1787, which stated that Yake-yama in Mutsu country (Osore-yama) had erupted.
(Source: Smithsonian / GVP volcano information)
See also: Sentinel hub | Landsat 8
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