Blog

Devastating March 2025 Wildfires Scorch Over in South Korea: Satellite Images Reveal the Damage

2025-04-10

~ 5 min

(Article updated: 2025-04-10)

In March 2025, South Korea faced one of the most destructive wildfire outbreaks in its history. Sentinel-2 satellite imagery using SWIR and NIR channels reveals the extent of the 170,000-hectare disaster, with regions near Andong, Uiseong, and Yeongyang severely affected.

Futuristic aerial view of a modern city seen from space, with satellite beams scanning the buildings

Hidden Buildings, Lost Taxes: How Satellite Imagery and AI Help Detect Unregistered Properties

2025-04-08

~ 3 min

(Article updated: 2025-04-08)

With the help of satellite images and AI, local governments can now detect unregistered buildings, update spatial data and tighten the tax system. The future of property records begins... in space.

Satellite Data Analysis

How to find satellite images?

2025-04-07

~ 4 min

(Article updated: 2025-04-07)

Where to find satellite images? Access to satellite images has never been easier! With OnGeo Intelligence, you can check the image of any place on the map in a few moments. This tool is ideal for landowners, investors and anyone who wants to see their land from a satellite perspective.

Maxar's Satellite Images Reveal Devastation in Myanmar After Earthquake

2025-03-31

~ 4 min

(Article updated: 2025-03-31)

High-resolution satellite imagery from Maxar Technologies shows the widespread devastation in Myanmar following a 7.7-magnitude earthquake. See before-and-after views and learn how this open data is aiding relief efforts.

Satellite Data Analysis

Spectral bands – list of formulas for the most popular Spectral Indices

2025-03-27

~ 10 min

(Article updated: 2025-03-27)

Spectral Indices enhance remote sensing by analyzing satellite imagery to monitor vegetation, water, soil, and urban areas. Using spectral bands like NIR, SWIR, and visible light, they support agriculture, climate studies, and urban planning.

Seeing Through the Smoke: How SWIR Satellite Imagery Detects Hidden Wildfires from Orbit

2025-03-26

~ 5 min

(Article updated: 2025-03-26)

Why SWIR Matters in Remote Sensing Short-wave infrared, or SWIR, refers to a portion of the electromagnetic spectrum typically ranging from 1.0 to 2.5 micrometers. SWIR imaging penetrates smoke, detects active fires, and aids disaster response.

How Insurance Companies Use Satellite Imagery for Damage Assessment

2025-03-25

~ 6 min

(Article updated: 2025-03-25)

Discover how insurance companies worldwide are leveraging satellite data to enhance risk assessment and streamline damage evaluation. OnGeo Intelligence satellite imagery is revolutionizing claims processing with real-time, high-resolution evidence.

Dual-Satellite Earth Observation: The Power of Combining SAR and Optical Imaging

2025-03-19

~ 4 min

(Article updated: 2025-03-19)

Why Combine SAR and Optical Imaging? Optical satellites capture images in visible and infrared wavelengths , providing high-resolution, photo-like imagery . However, they are limited by weather and lighting conditions – clouds, smoke and darkness can render them ineffective. SAR satellites, on the other hand, actively emit microwave signals, creating high-contrast images regardless of time or weather.

The Power of Satellite Stereo Imagery

2025-03-14

~ 4 min

(Article updated: 2025-03-14)

Satellite stereo imagery is revolutionizing Earth observation by creating detailed 3D models. From urban planning to agriculture and energy, this technology is reshaping industries and scientific research.

Maxar Restores Ukraine’s Access to Satellite Imagery

2025-03-13

~ 4 min

(Article updated: 2025-03-13)

In a stunning reversal, Maxar Technologies has restored Ukraine’s access to high-resolution satellite imagery just days after the Trump administration cut it off. With Russian forces intensifying their assault—including a deadly missile strike on Zelenskyy’s hometown—Kyiv’s regained ability to monitor troop movements and infrastructure damage could be a lifeline in a war teetering on the edge.

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