According to the ACAPS INFORM Severity Index, 2026-10 release, the severity index for the Earthquake East Nusa Tenggara crisis in Indonesia (IDN010) rose from 3.2 in September 2026 to 4.0 in October 2026, an increase of 0.8. The rule compared the October 2026 figure with the previous analysis from September 2026 and fires when the index changes by at least 0.3. Over the same period the crisis remained in severity category 2, and ACAPS records earthquake as its driver.
| Rule | INFORM Severity moving between releases |
| Period | 2026-10 |
| Crisis | Earthquake East Nusa Tenggara |
| Index before | 3.2 |
| Index after | 4 |
| Change | 0.8 |
| Category before | 2 |
| Category after | 2 |
| Judged against | an index move of 0.3 or a category change. Fired on: index. |
| Detected | 13 October 2026, run 19 |