Hawaii Mauna Loa Volcano: Damage Proxy Maps and Interferograms, Nov 2022

✦ DISCOVERED BY ORIONAIEarth Observatory of SingaporeEnvironmentUnited States of America
Map preview of Hawaii Mauna Loa Volcano: Damage Proxy Maps and Interferograms, Nov 2022United States of America

About this dataset

# Hawaii Mauna Loa Volcano: Damage Proxy Maps and Interferograms, Nov 2022 The **Earth Observatory of Singapore – Remote Sensing Lab (EOS-RS)** produced these damage proxy maps and interferograms for Hawaii Mauna Loa Volcano (Nov 2022) from synthetic aperture radar (SAR) satellite images. Each map is a separate ZIP below with its GeoTIFF, a KMZ for Google Earth, the PNG figures and a text file describing how it was made and how to read it. ## Maps in this dataset - **EOS-RS Damage Proxy Map: Hawaii, USA, Mauna Loa Volcano Eruption, 29 Nov 2022, v0.5** - **EOS-RS Damage Proxy Map: Hawaii, USA, Mauna Loa Volcano Eruption, 29 Nov 2022, v0.5** - **EOS-RS Interferogram (unwrapped): Hawaii, USA, Mauna Loa Volcano Eruption, 2022/10/18-2022/11/29, v0.1** - **EOS-RS Interferogram (wrapped): Hawaii, USA, Mauna Loa Volcano Eruption, 2022/10/18-2022/11/29, v0.1** **More map details and files:** **More map details and files:** **Credits:** Earth Observatory of Singapore - Remote Sensing Lab (EOS-RS), Original data ALOS-2 PALSAR-2 Product - JAXA (2022).

Documentation

Change detection on synthetic aperture radar (SAR) satellite images acquired before and after the event. Damage Proxy Maps show significant changes in radar coherence and amplitude; Flood Proxy Maps show areas that changed to standing water. Maps are preliminary and checked against news reports and ground-level imagery where available. This map was derived from Synthetic Aperture Radar (SAR) images acquired by the ALOS-2 satellite operated by the Japan Aerospace Exploration Agency (JAXA) before (28 Jun 2022 and 18 Oct 2022) and during the event (29 Nov 2022, 10:23 UTC). Data were provided by JAXA and analyzed by the Earth Observatory of Singapore - Remote Sensing Lab (EOS-RS). This map was derived from SAR images acquired by the ALOS-2 satellite operated by the Japan Aerospace Exploration Agency (JAXA) before (18 Oct 2022) and during (29 Nov 2022) the event. These are preliminary maps derived from satellite radar and should be used as guidance only. Coloured pixels may include false positives, and their absence does not mean an absence of damage or flooding.

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