Myanmar – Floods and Landslides Displace 120,000

According to a UN report of 30 July, as many as 120,000 people have been displaced by flooding and landslides in Myanmar over recent weeks.

The United Nations Office for the Coordination of Humanitarian Affairs (UNOCHA) report said that heavy monsoon rains since 09 July have resulted in floods in a number of states and regions in Myanmar.

At least eleven people have died and more than 120,000 people have been displaced by the floods, according to the Government’s Department of Disaster Management.

Bago Region is the worst affected, where 71,898 people have evacuated their homes. Other affected areas include Kayin (Karen) State (25,083 displaced), Mon State (18,421) and Tanintharyi Region (6,583). Six fatalities were reported in Mon State and five in Tanintharyi Region.

Displaced people are sheltering in 288 evacuation sites or are staying with relatives and host families. UNOCHA said that the Government of Myanmar is leading the response, in cooperation with state/regional authorities and with the support of national and international humanitarian organizations.

Floods in Myanmar, late July 2018. Photo: MOI Myanmar
Floods in Myanmar, late July 2018. Photo: MOI Myanmar

Rainfall and Rivers

According to the Myanmar government, rivers exceeded flood stage in at least 4 locations from 28 July, although rivers have since shown signs of falling.

The Shwegyin River in Shwegyin, Bago Region reached 8.8 metres on 28 July (flood stage is 7 metres). On the same day, the Bago River in Bago, Bago Region reached 9.7 metres (flood stage is 8.8 metres).

The following day the Sittoung River in Madauk, Bago Region, reached 12.70 metres, well over flood stage of 10.70 metres. The Sittoung River in Taungoo, Bago Region reached 6.2 metres, just above flood stage of 6 metres.

Myanmar’s Department Of Meteorology And Hydrology said that Zaung Tu in Bago Region, recorded record rainfall on 25 July, with 198 mm falling in 24 hours, beating the previous high of 144 mm set in July 2007.

Several areas recorded significant rainfall levels over the following days including Yay in Mon State which saw 143 mm of rain in 24 hours to 29 July, and Dawei in Tanintharyi Region which recorded 151mm of rain in 24 hours to 31 July.

Flood Summary

Last updated: August 30, 2018
Event
Myanmar, Monsoon Floods, July to August 2018
Date
July 9 to August 5, 2018
Type
Flash flood, Landslide, River flood
Cause
Extreme rainfall, Long-term rainfall
According to a UN report, over 120,000 people were displaced by flooding and landslides in Myanmar between 09 and 30 July, with Bago Region worst affected. According to UNOCHA of 30 July said that heavy monsoon rains since 09 July have resulted in floods in a number of states and regions in Myanmar. By 02 August, Myanmar government figures had the death toll at 16 and number of displaced almost 150,000.

Locations

A - Kayin state
B - Tanintharyi region
C - Mon State
D - Bago Region
E - Magway region

Magnitude

Rainfall level
198 mm in 24 hours
Zaung Tu in Bago Region - July 24 to July 25, 2018
Figures from Myanmar’s Department Of Meteorology And Hydrology. Previous record was 144 mm set in July 2007.
Rainfall level
143 mm in 24 hours
Yay in Mon State - July 28 to July 29, 2018
Rainfall level
151 mm in 24 hours
Dawei in Tanintharyi Region - July 30 to July 31, 2018
River level
8.8 metres
Shwegyin River in Shwegyin, Bago Region - July 28 to July 28, 2018
flood stage is 7 metres
River level
9.7 metres
Bago River in Bago, Bago Region - July 28 to July 28, 2018
flood stage is 8.8 metres
River level
12.70 metres
Sittoung River in Madauk, Bago Region - July 29 to July 29, 2018
flood stage is 10.70 metres
River level
6.2 metres
Sittoung River in Taungoo, Bago Region - July 29 to July 29, 2018
flood stage is 6 metres.

Damages

Fatalities
16 people
July 9 to August 2, 2018
The death toll has since increased to 16. At one point the number of displaced increased to 149,000. As of 02 August, 122,500 people were still displaced, with 94,000 of them in Bago Region.
Evacuated
149,004
Myanmar - July 9 to August 2, 2018
According to government figures of 02 August, the numbers of displaced included: Kayin 26,88; Tanintharyi 6,583; Mon 19,825; Bago 95,251; Magway 464