Haruna volcano

stratovolcano 1449 m / 4,754 ft
Honshu, Japan, 36.47°N / 138.88°E
Current status: normal or dormant (1 out of 5)

Haruna volcano a stratovolcano located in central Honshu, 110 km NW of Tokyo. The volcano contains a small summit caldera with a symmetrical post-caldera cone (Haruna Fuji) and Lake Haruna in the western side of the caldera.
The most recent eruptions, dated to the 6th century AD, were 2 large explosive eruptions from the Futatsu-dake lava dome in the eastern part of the caldera.

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Typical eruption style: explosive
Haruna volcano eruptions: around 550 AD, 520 AD, 450 AD

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Wed, 28 Jul 2021 (GMT) (1 earthquake)
Jul 29, 2021 01:21:56.62 (28 Jul 2021 16:21:56 GMT)
2.9

5.8 km
45 km (28 mi)
Kamitakai-gun, 21 km east of Nagano, Japan
Tue, 27 Jul 2021 (GMT) (1 earthquake)
Jul 28, 2021 04:16:36.79 (27 Jul 2021 19:16:36 GMT)
2.5

4.9 km
45 km (28 mi)
Kamitakai-gun, 20 km east of Nagano, Japan
Sun, 25 Jul 2021 (GMT) (1 earthquake)
Jul 25, 2021 19:08:59.88 (25 Jul 2021 10:08:59 GMT)
2.6

6.5 km
48 km (30 mi)
Tone-gun, Gunma, 25 km southeast of Shiozawa, Minamiuonuma Shi, Niigata, Japan

Background

Haruna-san volcano forms the older part of the volcanic edifice and dates back more than 300,000 years ago. It had large plinian eruptions about 200,000 and 40,000 years ago, that were followed by caldera formation.
Viscous lava flows and lava domes formed afterwards within and around the caldera.


See also: Sentinel hub | Landsat 8
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