quakealarm
nounUK /ˈkweɪkəˌlɑːm/
US /ˈkweɪkəˌlɑːrm/
A quakealarm is a loud warning that tells people an earthquake is coming.
The quakealarm rang, so everyone quickly hid under their desks.
RELATED WORDS
OTHER MEANINGS
2. A device or app that makes a loud sound when it senses shaking.
My phone's quakealarm woke me up during the small tremor.
3. A feeling of sudden worry or panic, like a warning going off in your mind.
When she saw the test scores, a quakealarm went off in her head.
4. A signal used by scientists to study how strong an earthquake is.
The quakealarm data helped the team measure the quake's power.