ESA - Eduspace EN - Natural Disasters - Background

09-Jul-2025

Earthquakes

Introduction Izmit earthquake

Floods

Thessaloniki (Greece)

Hurricanes

Storm surges Hurricane Katrina

Volcanoes

Introduction Andean Volcanic Belt Etna Nyiragongo and Nyamuragira

Article Images

Background

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Map of the broader area around Lake Volvi

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Map of the broader area around Lake Volvi.

Credits: A. Mouratidis

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Different features are seen on this SAR image. Urban areas: very bright pixels in the top left and bottom right ; Mountains: right; Water: river system in the left part of the image; Flooded areas: top left; Agricultural fields: scattered throughout the centre of the image.

Credits: ESA

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Indicative damages from the October 2006 floods

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Indicative damages from the October 2006 floods.

Credits: A. Mouratidis

Flash floods in Thessaloniki

Introduction

Exercises

Exercise 1: Inspecting the images Exercise 2: Change detection – band math Exercise 3: Change detection – Multi-temporal analysis Exercise 4: GIS

Eduspace - Software

LEOWorks 4 (Linux)LEOWorks 4 (Windows)LEOWorks 4 (MacOS)

Eduspace - Download

Thessaloniki.zip