PRISM Alerts · Philippines · Alert 26
Philippines Disaster displacement worsening 13 October 2026

Philippines: 1,019,249 disaster-driven internal displacements between 2026-09-01 and 2026-09-30 (IDMC IDU)

Disaster-driven internal displacements per month (people)

According to IDMC's Internal Displacement Updates, between 1 and 30 September 2026 the Philippines recorded 1,019,249 disaster-driven internal displacements across 11 events. The rule compared this figure against a minimum of 50,000 and against the country's own monthly record over the previous 20 months, in which the 90th percentile was 177,166. The largest entries relate to tropical cyclones Kujira (Luis-Maymay), Gaenari (Neneng) and Krovanh (Pilandok), with figures of 399,403 and 245,126 dated 25 September, followed by 120,282 linked to the earthquake affecting 4 regions dated 5 September, all sourced from DSWD and DROMIC. The Government of the Philippines' DSWD DROMIC Report #107 of 6 October 2026 covers the combined effects of the enhanced southwest monsoon and tropical cyclones Luis, Maymay, Neneng and Pilandok.

Narrative written by claude-opus-5-5 from the figures and evidence on this page. Read against the source.

How this fired

RuleDisplacement in a month against the country's own record
Period2026-09-01 to 2026-09-30
Displacement in the month1,019,249
Events in the month11
Months of history compared20
90th percentile of that history177,166
Judged againstan absolute floor of 50,000; the 90th percentile of the country's own record, 177,166. Fired on: abs_floor, history_percentile.
Detected13 October 2026, run 19

Evidence

IDMC Internal Displacement Updates, deduplicated to one figure per event Country page All alerts for Philippines JSON
key displacement_window:PHL:disaster:2026-09