Earth Observatory of Singapore
Remote Sensing Lab (EOS-RS)

The Earth Observatory of Singapore –Remote Sensing Lab (EOS-RS):• Uses remote sensing for humanitarian assistanceand disaster response• Innovates algorithms and systems for hazard
analysis and societal impact

Types of disasters we map
FloodsWildfires

GroundMotionExplosions

Landslides

Earthquake
DamageTropical Cyclones

Volcanoes

Impact to dateTwitterMaps

3 Main Products
Flood Proxy Maps

Flood extent

Damage Proxy Maps

Surface displacement maps

Building damage

Using cloud-based and High Performance Computing systems for rapid response

Deformation

Feb 2023
M7.8 Türkiye-Syria Earthquake Response Support
To date, this event has caused an estimated ofmore than 150,000 of damaged or collapsed buildings
and close to 60,000 recorded fatalities.

Collapsed buildings in Hatay, Türkiye.

https://www.bloomberg.com/news/photo-essays/2023-02-06/in-pictures-major-earthquake-collapses-buildings-in-turkeysyria?leadSource=uverify%20wall

Collapsed buildings in Kahramanmaras, Türkiye.

https://www.livemint.com/science/news/how-the-turkey-syria-earthquake-occurred-behind-the-science-of-the-catastrophe-11675775042838.html

M7.8 Türkiye-Syria Earthquake Response SupportTimeline• 6 Feb 2023 (M7.8 and M7.5 Earthquakes)
EOS-RS reached out to JAXA (Japanese Space Agency).
• 8 Feb 2023
JAXA acquired the first satellite radar data.
• 8 Feb 2023
EOS-RS produced and disseminated the first Damage Proxy Map (DPM).
• 9 Feb 2023
ESA (European Space Agency) acquired their first satellite radar data.
• 16 Feb 2023
EOS-RS generated 8 DPMs using European and Japanese satellite radar data, covering the entire region(every 30 m x 30 m) impacted by the earthquake and the following aftershocks.

Feb 2023
M7.8 Türkiye-Syria Earthquake Response Support

BeforeTurkeyCyprusSyria
200 kmKahramanmaras

AfterN

1 km

204,000 km2 (280 times SG) covered within 10 days
Planet optical imagery.

https://www.abc.net.au/news/2023-02-08/before-and-after-satellite-images-turkiye-syria-earthquake/101944474

The First Damage Proxy Map• Disseminated to the United Nations World Food
Programme and other response agencies via
Sentinel Asia.
• Tweet viewed by 180,000 within 24 hrs.
• Map accessed 7,000+ times from Türkiye, 5,000+times from Japan, 3,000+ times from United States
within 24 hrs of release.

Feb 2023
M7.8 Türkiye-Syria Earthquake Response Support
TurkeyCyprus“We have dispatched 10 teams to the field forground observations after downloading yourmaps on their mobile devices.”

Syria
200 kmKahramanmaras-- Emergency Management Center in Ankara,
Türkiye“Your maps produced an estimate of thenumber of affected people that is the closest
to the ground observation-based Turkish
government’s number, compared to any otherremote sensing-based products.”

N1 km-- Geospatial Support Unit at the UN World
Food Programme

M7.8 Türkiye-Syria Earthquake Response SupportJuly 2023
Typhoon Doksuri
Philippines

Imagery from any Himawari satellite, credit the Cooperative Institute for Research in the Atmosphere atColorado State, the Japan Meteorological Agency, and the Japan Aerospace Exploration
Agency (CSU/CIRA & JMA/JAXA)The casualties are reported as 26 deceased individuals, 52
injured persons and 13 missing in the Philippines

Chico River in Bontoc, Mountain Province(Photo by Handout / Mountain Province Disaster Risk Reduction Management Office / AFP)

Capsized Ferry in Binangonan, Rizal province, Philippines

Sharma, S. (2023, July 28). At least 26 dead after overloaded ferry capsizes in Philippines amid strong winds. The Independent. https://www.independent.co.uk/asia/southeastasia/philippines-ferry-capsize-doksuri-china-b2383512.html

Typhoon Doksuri• Third typhoon of the 2023 Pacific typhoon season• Doksuri meaning “Eagle” in Korean, known as “Super Typhoon Egay (eh-guy)” in the Philippines• Highest winds of 185 km/h reachedResponse SupportTimeline• 25 July 2023Typhoon Doksuri made landfall in the Philippines• 28 July 2023
Request for Data Analysis Node from Asian Disaster Reduction Center, through Sentinel Asia
• 2 Aug 2023
EOS-RS produced and disseminated the first Flood Proxy Map (FPM).

The First Flood Proxy Map

Challenges• Validation Data
• Clouds• Ground Truth

August 2023
Maui, Hawaii Wildfires

LIEUTENANT GOVERNOR SYLVIA LUKE VIA FACEBOOK/VIA REUTERSAugust 2023
Maui, Hawaii Wildfires

LIEUTENANT GOVERNOR SYLVIA LUKE VIA FACEBOOK/VIA REUTERSAugust 2023
Maui, Hawaii Wildfires
Lahaina, Maui County

Before wildfires – Google Earth

After wildfires – MAXAR (9 Aug)

August 2023
Maui, Hawaii Wildfires
Lahaina, Maui County

DPM (16 Aug, Sentinel-1)

After wildfires – MAXAR (9 Aug)

August 2023
Maui, Hawaii Wildfires

Lahaina Harbor

DPM (16 Aug)

August 2023
Maui, Hawaii Wildfires

Post-event: 13 August, Sentinel-1
Post-event: 16 August , Sentinel-1

Choice of Colors for Color Vision Deficiency (CVD)
2021 Semeru Volcano
Eruption
Data: ALOS-2

Original color

CVD friendly color

CVD Filter

Original color

CVD friendly color

Local Language Versions

Semeru Volcano Eruption
East Java, Indonesia

EnglishBahasa

EnglishTagalog

Tropical Cyclone Agaton
Leyte, Philippines

Our Compute Infrastructure

Cloud computeFirst generation maps with immediate scenes
3 hours for intermediate productUse of Cloud-based and High Performance
Computing systems for rapid response

https://registry.opendata.aws/sentinel1-slc-seasia-pds/

High Performance Compute Cluster
Second generation maps: Time-series~12 hours for intermediate product

EOS-RS initiative in AWS Open Data program to host Sentinel-1 datain Asia-Pacific endpoint
Improve download speeds by 8 to10 times.

Our Compute Infrastructure
Current live products
page, a static site
hosted by S3 andCloudfront.
eos-rs-products.earthobservatory.sg

Interactiveproducts page,plannedserverless site tobe rolled out.

SAR finder:
Application toquickly search
for SAR data.

EOS-RS Members

Rino Salman
Research Fellow

Nicholas Lim
Research Assistant

Bryan Marfito
PhD student

Denny CheeASE Student
Researcher

Sang-Ho Yun
EOS-RS Director

Shi Tong Chin
Research Associate

Noel Ulloa
Research Fellow

Lin Way
Research Assistant

Eleanor Ainscoe
Research Fellow

Cheryl Tay
PhD student

Ricky Winarko
Student Assistant

Jay Wong
Project Officer(Science Communications)Thank you!