Forest Fire (8814 ha) in Thailand 20 Mar 2023

Event summary

This forest fire is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID WF 1013000
Countries: Thailand
Start Date - Last detection*: 20 Mar 2023 - 29 Mar 2023
Duration (days): 9
People affected: 258 in the burned area
Burned area: 8814 ha
More Info: Global Wildfire Information System

*(Last detection of the thermal anomaly of the fire)


For more info on GDACS alert score click here.

Detailed event map. European Union, 2024. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Impact Timeline

IDAlert colorGDACS ScorePopulation AffectedBurned Area (ha)Last UpdateSource
1 0.5 258 5648 27 Mar 2023 03:00 GWIS
2 0.5 258 6544 28 Mar 2023 03:00 GWIS
3 0.5 258 8090 29 Mar 2023 03:00 GWIS
4 0.5 258 8814 30 Mar 2023 03:00 GWIS

Fires Joined

This event includes other close identified fires:

Exposed population

The forest fire happened in Thailand , Province of Mae Hong Son (population 166,089) . The nearest places are Ban Mae Sariang, and Chom Thong.

Radius Population
10 km 9000 people
5 km 3400 people
2 km 1700 people
1 km <1000 people
Burned Area <1000 people

Land Cover area Source
Settlement 380 m2 GHSL

Affected Provinces

Region Province Country Population
Mae Hong Son Thailand 170000 people
Chiang Mai Thailand 1.4 million people

Affected populated places

Name Region Province Country City class Population Distance
Ban Mae Sariang Mae Hong Son Thailand City - 21 km
Chom Thong Chiang Mai Thailand City - 78 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.


Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Papun PPU 91 Civ. Unpaved No 4000 66 km



Nuclear plants

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.