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Across 1. large size, importance (9) 3. fell down suddenly (9) 7. sudden movement of tectonic plate (10) 8. what is ​left of something that has been ​destroyed (8) 10. past participle of verb feel (4) 11. number of people dead (5,4) 13. ​announced something ​clearly, ​firmly, ​publicly, or ​officially (8) 14. had an ​influence on someone or something, ​caused a ​change in someone or something (8) 16. army (8) 17. a person who has a position of authority (8) 18. ​pressing something very hard so that it is ​broken or ​its ​shape is ​destroyed (8)

Down 2. the ​point on the earth's ​surface ​directly above an ​earthquake (9) 4. relating to the way in which ​parts of a ​system or ​object are ​arranged (10) 5. past simple of verb strike (6) 6. ​untidy ​piles of things (5) 9. something ​dangerous or ​serious, such as an ​accident, that ​happens ​suddenly or ​unexpectedly and ​needs ​fast ​action in ​order to ​avoid ​harmful ​results (9) 12. a ​warning to ​people to be ​prepared to ​deal with something ​dangerous (5) 15. members of a ​particular ​country who have ​rights because of being ​born there, people who ​live in a ​particular ​town or ​city (8)