The Quiet Rebuilding of Ruby Seamount
In the app: the whole story at your level, listening, the quiz and the word cards.
The same story at six levels
How the first sentence reads at every level, from A1 to C2.
- A1
Scientists studied a change at Ruby seamount.
- A2
Scientists discovered a quiet eruption at Ruby seamount.
- B1
Scientists have discovered a quiet eruption at Ruby seamount.
- B2
Scientists found that Ruby seamount, a submarine volcano in the Commonwealth of the Northern Mariana Islands, erupted quietly between March and July 2026.
- C1
Because ocean monitoring is limited, scientists usually notice underwater eruptions only when large blasts occur.
- C2
Because ocean monitoring is limited, underwater eruptions usually go unnoticed unless they announce themselves with a large blast.
Key words
Words from the B1 text, with their meaning.
- eruption
- an event when a volcano suddenly throws out hot rock, ash, or steam
- submarine
- existing or located under the surface of the sea
- detect
- to notice or discover something that is difficult to see or hear
- expedition
- an organized journey for a particular purpose, especially to explore a place
- summit
- the highest point of a mountain
- uncover
- to discover something that was previously secret or hidden
Rewritten with AI from facts reported by USGS. Read the original for the full report.