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Craters of the Moon

Medan gunung api · United States · 2005 m

The Craters of the Moon lava field covers 1600 km2 of the Snake River Plain with lava flows erupted from NW-SE-trending fissures and cinder cones. The northern part of the lava field, seen from Big Cinder Butte with the Pioneer Mountains in the background to the north, contains many flows and cinder cones formed during the most recent eruptions about 2300 to 2100 years ago.
The Craters of the Moon lava field covers 1600 km2 of the Snake River Plain with lava flows erupted from NW-SE-trending fissures and cinder cones. The northern part of the lava field, seen from Big Cinder Butte with the Pioneer Mountains in the background to the north, contains many flows and cinder cones formed during the most recent eruptions about 2300 to 2100 years ago. · Foto: Photo by Lee Siebert, 1994 (Smithsonian Institution). · Wikimedia Commons
Tipe
Medan gunung api
Negara
United States
Wilayah
North America Volcanic Regions / Yellowstone-Snake River Hotspot Volcano Group
Ketinggian
2005 m
Koordinat
43.371, -113.493
Letusan terakhir
-130
Kondisi tektonik
Rift zone / Continental crust (> 25 km)
Bentuk lahan
Cluster
Batuan utama
Basalt / Picro-Basalt
Ringkasan geologi

Craters of the Moon, the largest lava field of the Snake River Plain (SRP), covers about 1,600 km2 with more than 60 mapped lava flows erupted from eight fissure systems. About 25 cinder cones up to 250 m high formed primarily along a 45-km-long segment of the Great Rift, the principal 2-8 km wide fissure system that trends NW-SE through Craters of the Moon National Monument. Craters of the Moon lies at the NW part of the eastern SRP, with White Knob and the Pioneer Mountains along the northern boundary. The lava field was formed during eight eruptive episodes between about 15,000 and 2,000 years ago separated by quiescent periods up to about 3,000 years in duration. This contrasts with other SRP lava fields, which were formed during single eruptive episodes of relatively short duration. A complex assemblage of basaltic volcanic features is present, and cinder cones are common.

Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
10060 BCE~9729 BCE · 1 letusan · VEI maks. 09067 BCE~8736 BCE · 1 letusan · VEI maks. 08736 BCE~8405 BCE · 1 letusan · VEI maks. 08405 BCE~8074 BCE · 1 letusan · VEI maks. 06088 BCE~5757 BCE · 1 letusan · VEI maks. 05757 BCE~5426 BCE · 1 letusan · VEI maks. 04764 BCE~4433 BCE · 1 letusan · VEI maks. 04433 BCE~4102 BCE · 1 letusan · VEI maks. 04102 BCE~3771 BCE · 1 letusan · VEI maks. 02778 BCE~2447 BCE · 1 letusan · VEI maks. 01785 BCE~1454 BCE · 1 letusan · VEI maks. 0461 BCE~130 BCE · 3 letusan · VEI maks. 010060 BCE7743 BCE5095 BCE2778 BCE461 BCE

Garis waktu rinci

  1. 130 SM (±50 tahun)VEI 0Perkiraan geologi
    BCE 130 – Berlangsung
    South of Big Craters, near Broken Top
  2. 260 SM (±25 tahun)VEI 0Perkiraan geologi
    BCE 260 – Berlangsung
    Big Craters, Trench Mortar Flat
  3. 350 SMVEI 0Perkiraan geologi
    BCE 350 – Berlangsung
    North Crater
  4. 1680 SM (±150 tahun)VEI 0Perkiraan geologi
    BCE 1680 – Berlangsung
    Vermillion Chasm to Minidoka-Larkspur
  5. 2560 SM (±100 tahun)VEI 0Perkiraan geologi
    BCE 2560 – Berlangsung
    Black Top Butte
  6. 4070 SM (±50 tahun)VEI 0Perkiraan geologi
    BCE 4070 – Berlangsung
    Big Cinder Butte and vents to the SE
  7. 4250 SMVEI 0Perkiraan geologi
    BCE 4250 – Berlangsung
    Sentinel Cone
  8. 4600 SM (±100 tahun)VEI 0Perkiraan geologi
    BCE 4600 – Berlangsung
    Silent Cone
  9. 5470 SM (±150 tahun)VEI 0Perkiraan geologi
    BCE 5470 – Berlangsung
  10. 5890 SM (±150 tahun)VEI 0Perkiraan geologi
    BCE 5890 – Berlangsung
    NW of Echo Crater
  11. 8290 SMVEI 0Perkiraan geologi
    BCE 8290 – Berlangsung
  12. 8720 SMVEI 0Perkiraan geologi
    BCE 8720 – Berlangsung
  13. 9050 SMVEI 0Perkiraan geologi
    BCE 9050 – Berlangsung
  14. 10060 SMVEI 0Perkiraan geologi
    BCE 10060 – Berlangsung
    Sunset cone

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.