The Indonesian #earthquake caused "liquefaction" in areas near #Palu. These before and after images were taken on August 17th and October 1st, just south of the Mutiara SIS Al-Jufrie Airport. pic.twitter.com/iYLskCqED1— DigitalGlobe (@DigitalGlobe) October 1, 2018
Relief workers can now use freely available satellite imagery to navigate destruction from the recent earthquake and tsunami in Indonesia.
The Indonesian island of Sulawesi suffered devastation when a 7.5-magnitude earthquake struck the island's northern coast and produced a tsunami shortly after. The natural disaster hit the region on Friday (Sept. 28), and the death toll is reportedly over 1,350. The island's coastal city of Palu was hit the worst.
The tsunami and earthquake damaged homes, large civic structures and bridges, and the damage is so extensive that relief workers are finding it difficult to bring aid to survivors.
The #earthquake and subsequent #tsunami that hit Indonesia has devastated Sulawesi island, and the city of #Palu. Seen here is the Teluk Palu Bridge. The before image is from August 17th and the after image is from, today, October 1st. pic.twitter.com/Xf0dXFAnri— DigitalGlobe (@DigitalGlobe) October 1, 2018
Satellite imagery company DigitalGlobe "will publicly release data of the affected areas to support disaster response as it [the data] becomes available," company representatives said in a statement yesterday (Oct. 2). This will be part of the company's Open Data Program, and data about the Indonesia earthquake and tsunami is available here.
The imagery available through this program is licensed under Creative Commons license, which means that it can "quickly be integrated into first-responder workflows with organizations like Team Rubicon, the Red Cross and other nonprofits," according to the statement.
Our Open Data Program has now activated for the #Indonesian #earthquake and #tsunami. To find out more information and how to access the data read our latest blog post. #Sulawesi #Palu #naturaldisaster #opendata https://t.co/QjBvJWzz0l pic.twitter.com/oX7TgshulB— DigitalGlobe (@DigitalGlobe) October 2, 2018
Flows of mud and soil have wreaked havoc on the community in Palu. The flows' destruction is visible in DigitalGlobe's tweeted imagery. NASA's Earth Observatory also shared "sobering satellite views" of Palu on their website. According to NASA, scientists think the earthquake also triggered an underwater landslide that may then have caused the 3-meter-tall (10 feet) waves of the catastrophic tsunami.
This natural-color image of Palu released by the Earth Observatory came from the Operational Land Imager on the Landsat 8 satellite and was taken today (Oct. 2).
This second image shows before and after views of the same region. "The false-color (bands 6-5-2) images above make it easier to distinguish between urban areas (purple-gray), vegetation (green), and mud and soil (brown and tan)," Earth Observatory officials said in the photo description.