The Geologist — Monthly Global Review of Applied Geology
A Monthly Global Review of Applied Geology
The Geologist connects new developments in Earth science with their practical meaning for resources, water, infrastructure, environment, communities and planetary exploration. Each monthly issue combines current evidence, maps, field interpretation and applied analysis for students, researchers, practising geologists and decision-makers.
September 2026 | Current Issue
76 PAGES • DIGITAL PDF • ₹100
When the Seafloor Falls
Cover Story
The September edition reconstructs the extraordinary transformation of the Hunga submarine volcano through repeat bathymetric mapping. Approximately 8.9 km³ of material was displaced, while the caldera floor deepened dramatically from roughly 150 m to about 850 m below sea level.
Also inside: a >1,000 km buried geological arc beneath Australia, Canada's emerging digital drill-core infrastructure, deep-ocean basalt recovery, India's 1,632 km² Great Nicobar offshore exploration blocks, critical minerals, groundwater recharge, geohazards, remote sensing, engineering geology, marine geology and new geological evidence from Mars.
Inside this issue
Eight numbers that frame the September 2026 edition.
8.9 ± 0.1 km³ — material displaced at Hunga | 150 → 850 m — approximate deepening of the Hunga caldera floor |
>1,000 km — buried Delamerian arc beneath Australia | 4.27 m / ~4,100 m — basalt core recovered / approximate water depth |
1,632 km² — Great Nicobar offshore exploration blocks | 145,000 km² — mapped mining land examined globally |
~34% — overlap with conservation-priority areas in the cited analysis | 185 — Jezero Crater bedrock targets examined on Mars |
Who should read The Geologist?
The publication is designed for geology and Earth-science students, faculty, researchers, hydrogeologists, exploration and mining professionals, GIS and remote-sensing specialists, engineering and environmental practitioners, planners and interested science readers.
For universities and institutions
The Geologist welcomes academic and institutional collaboration around supplementary learning resources, guest lectures, thematic issues, student engagement, research communication and applied-geology knowledge partnerships.
About
Published by Development Connects. Editor: Kallol Saha. The Geologist is intended to connect geological evidence with practical decisions in water, natural resources, infrastructure, environment, technology and sustainable development.
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