File:Lava flow front of the 2022 Mauna Loa eruption.jpg
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Summary
| Description |
English: A Hawaiian Volcano Observatory geologist documents a lava flow from the Northeast Rift Zone of Mauna Loa the morning of November 29, 2022. The ‘a‘ā lava flow, on the northeast flank of Mauna Loa, is several feet thick. 'A'ā flows have a rough rubbly surface composed of broken lava blocks called clinkers. The clinkery surface covers a massive dense core, which is the most active part of the flow. As pasty lava in the core travels downslope, the clinkers are carried along at the surface. At the leading edge of an ‘a‘ā flow, however, these cooled fragments tumble down the steep front and are buried by the advancing flow. This produces a layer of lava fragments both at the bottom and top of an ‘a‘ā flow. |
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| Date | ||||
| Source | United States Geological Survey website | |||
| Author | F. Trusdell/USGS | |||
| Permission (Reusing this file) |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:08, 30 November 2022 | | 3,264 × 2,448 (1.53 MB) | DarkShadowTNT | {{Information |Description={{en|A Hawaiian Volcano Observatory geologist documents a lava flow from the Northeast Rift Zone of Mauna Loa the morning of November 29, 2022. The ‘a‘ā lava flow, on the northeast flank of Mauna Loa, is several feet thick. 'A'ā flows have a rough rubbly surface composed of broken lava blocks called clinkers. The clinkery surface covers a massive dense core, which is the most active part of the flow. As pasty lava in the core travels downslope, the clinkers are carr... |
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