2025-09-26 Flood Due to Typhoon RAGASA concerns in Vietnam on 26 September, 2025

Emergency Obs. Request Information

  • Disaster Type: Storm, Flood and Landslide
  • Country/Region: Vietnam
  • Occurrence Date (UTC): 26 September, 2025
  • SA activation Date(UTC): 23 September, 2025
  • Requester: VietNam Ministry of Agriculture and Environment (MAE)
  • Escalation to the International Charter: No
  • GLIDE Number: TC-2025-000170-VNM

Disaster Situation

https://vietnamnet.vn/sieu-bao-so-9-ragasa-van-manh-cuc-dai-quang-ninh-nghe-an-sap-mua-lon-dudoi-2444778.html
Due to the impact of Typhoon RAGASA (Typhoon No. 9 of Vietnam in 2025), the provinces of Ninh Binh, Thanh Hoa, and Nghe An in Vietnam will experience heavy to very heavy rainfall, particularly concentrated along coastal and low-lying areas. Accordingly, this region is forecast to undergo widespread heavy rain, with rainfall amounts ranging from 100–250 mm, and in some places possibly reaching up to 400 mm, posing risks of flash floods, landslides, and inundation in low-lying areas.

Web GIS

Product

   EOS   

2025-09-26

EOS-RS Flood Proxy Map:
North Central, Vietnam, Floods,
As Observed by Sentinel-1 image 25 September 2025, v0.9


2025-09-26

EOS-RS Flood Proxy Map:
North Central, Vietnam, Floods,
As Observed by Sentinel-1 image 25 September 2025, v0.9


2025-09-26

EOS-RS Flood Proxy Map:
North Central, Vietnam, Floods,
As Observed by Sentinel-1 image 25 September 2025, v0.9


   AIT   

2025-09-29

DETECTED FLOOD WATER IN NINH BINH AND THANH HOA PROVINCES, VIETNAM
As Observed by ALOS-2 images on 26 September 2025


2025-09-29

DETECTED FLOOD WATER IN NINH BINH AND THANH HOA PROVINCES, VIETNAM
As Observed by ALOS-2 images on 26 September 2025


   MBRSC   

2025-10-01

Post-Disaster Flood Assessment - Vietnam
As Observed by ALOS-2 image on 26 September 2025


2025-10-01

Post-Disaster Flood Assessment - Vietnam
As Observed by ALOS-2 image on 26 September 2025


Satellite Image

   Before Disaster   

   JAXA   

2025-06-06

ALOS-2 Level2.1
IMG HH ALOS2 59602/3200 2025/06/06 WBD R 2.1 GUD

   After Disaster   

   JAXA   

2025-09-26

ALOS-2 Level2.1
IMG HH ALOS2 61258/3200 2025/09/26 WBD R 2.1 GUD

   TASA   

2025-10-02

FORMOSAT-5 Level4
FS5 G000 PMS L4UTM 2025/10/02 03:42:24

2025-10-02

FORMOSAT-5 Level4
FS5 G001 PMS L4UTM 2025/10/02 03:42:28