Recent Examples of magma from the Web
Eighty thousand years ago, hot magma spewed from a volcanic vent and raced across the landscape in an open channel.
Most have been caused by the settling of lava built up over time and the abrupt movement of the south flank over the earth's crust as magma pushes into Kilauea's East Rift Zone.
Laguna Caliente—literally hot lagoon in Spanish—derives its hellish qualities from the churning of magma underneath the active crater.
The cycle of hot, incandescent magma rising to the surface and later cooling also explains the periodic brightening and dimming of Loki Patera, the researchers said.
Their findings suggest that the overturning started at the western end of the lava lake, where the magma was exposed to the surface of the lake between 180 and 230 days before the infrared images were taken.
The surrounding landscape would be covered in volcanic ash and debris, some made of erupting magma, some made of chunks of mantle and crust xenoliths.
But a group of tourists and journalists recently found themselves within reach of a violent blast, which occurred when scalding magma hit snow.
In fact, Etna has been active since January 23 of this year, reports Wired, with Strombolian explosions—ejections of cinder, ash, and smoke—indicating that magma is close to the surface.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'magma'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
MAGMA Defined for English Language Learners
Definition of magma for English Language Learners
: hot liquid rock below the surface of the Earth
MAGMA Defined for Kids
Definition of magma for Students
: molten rock within the earth
Medical Definition of magma
1: a crude mixture of mineral or organic matter in the state of a thin paste
2: a suspension of a large amount of precipitated material (as in milk of magnesia) in a small volume of a watery vehicle
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