Good point.
From this study, there seem to be many references in Revelation to "the earth" that really mean 1st century Israel:
18 Case Studies for “the earth” As An Indication of 1st Century Israel
1. Revelation 1:7
2. Revelation 3:10
3. Revelation 6:3-4, 8
4. Revelation 6:9-10, 15-16
5. Revelation 7:2-3
6. Revelation 8:5, 7, 13
7. Revelation 9:1, 3-4
8. Revelation 10:1-2
9. Revelation 11:6, 10, 18
10. Revelation 12:12, 15-16
11. Revelation 13:1-3, 8
12. Revelation 13:11-12, 14
13. Revelation 14:3-6, 18-19
14. Revelation 16:1-2, 18-19
15. Revelation 17:1-2, 5
16. Revelation 17:8, 18
17. Revelation 18:3, 9, 11, 23-24
18. Revelation 19:1-2, 19
“The Earth” as a Common Reference to Israel in Revelation: Part 1