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David OKALLA

Publications (3)

Mean Sea Level Analysis and Coastal Inundation Mapping of Lagos State, Nigeria Using Google Earth Engine

Lungfa Collins Wuyep, Kingsley Maraizu OGBUAGU, David OKALLA, Valentine Okuru & Ramatu Aliyu BELLO · Asian Journal of Geological Research · 2026

Lagos State is a rapidly growing coastal region where population pressure, infrastructure development and low-lying terrain increase exposure to coastal inundation. This study integrated Sentinel-1 Synthetic Aperture Radar, Shuttle Radar Topography Mission Digital Elevation Model...

Open access Research Article 10.9734/ajoger/2026/v9i3269

Tectonic Geomorphology Analysis of Nigeria Using Google Earth Engine: A Multi- province Investigation of Lineaments and Neotectonic Activity

Lungfa Collins Wuyep, Kingsley Maraizu OGBUAGU, Lumi Zakka, David OKALLA, Ramatu Aliyu BELLO & Tamunonengiyeofori DAGOGO · Asian Journal of Geological Research · 2026

Nigeria's crust records a long and complex geological history, yet country-scale quantitative evaluation of its tectonic geomorphology remains limited. This study applied standardised Google Earth Engine workflows to assess lineaments and morphometric indicators across major tect...

Open access Research Article 10.9734/ajoger/2026/v9i3268

Ground Displacement Associated with the September 2024 Mpape Tremor, Abuja, Nigeria: A Sentinel-1 DInSAR Analysis

Joseph Danasabe Dodo, Mohammed Shuaibu Tsalha, Omega John Unogwu, Lungfa Collins Wuyep, David OKALLA & Rabiu Haruna Gudus · Asian Journal of Geological Research · 2026

On 17 September 2024, a moderate tremor of magnitude Mw 3.0 was reported in the Mpape area of Abuja, Nigeria, raising concern about ground stability in a rapidly expanding urban environment. This study applied Sentinel-1 C-band Differential Interferometric Synthetic Aperture Rada...

Open access Research Article 10.9734/ajoger/2026/v9i3281