Disaster Recovery’s Two Timescales: Balancing Speed and Certainty in Rebuilding Ground
Emergency response protects today; true restoration protects the next decade. A real case where traditional pile-and-stone construction was chosen for
Archive for ekam2023
How to Assess Your Lot’s Ground Risk: Valley Fill, Ground Surveys, and Reading the Report
Your lot's earthquake ground risk can be researched before disaster strikes. How to identify valley fill and cut-fill boundaries, the two main ground
Why Rain After an Earthquake Is So Dangerous: Shaken Slopes and Landslide Warning Signs
A slope that survived the shaking can fail in the next rain. What happens inside a shaken slope, the typical sequence of slope failure, landslide warn
Ishibadate: Why Japan’s Stone-Foundation Timber Buildings Release Earthquake Energy
In traditional Japanese ishibadate construction, columns rest on foundation stones without anchors — and temples built this way have stood for over a
Checking Your Trees After an Earthquake: Tilting, Root Damage, and Why Not to Rush the Chainsaw
Earthquakes loosen the bond between roots and soil. How to inspect garden trees after a quake — tilt, arc-shaped cracks at the base, hanging branches
Soil Liquefaction Explained: Warning Signs on Your Property and the Drainage Connection
Why does soil liquefaction happen during earthquakes? Learn the mechanism, the warning signs that appear in yards and gardens — sand boils, floating m
Post-Earthquake Property Inspection: How to Check Your Land, Retaining Walls and Slopes Safely
After the 2026 Kumamoto earthquake, learn how to safely inspect your property, retaining walls and slopes. Signs of liquefaction, landslide warnings,
Why Ishibadate Houses Stay Cool in Summer: The Breathing Underfloor of Japan’s Stone-Foundation Construction
Ishibadate keeps homes cool and dry through humid summers. See how a raised floor and underfloor ventilation move moisture out of the ground, and why
Weed-Resistant Garden: Why Some Yards Stop Weeds and Yours Doesn’t
A weed-resistant garden is decided by the soil, not by how often you pull. Learn why bare ground and compaction invite weeds and how to fix it at the
Why Trees Die in Summer: Root Suffocation and Overwatering, Not Drought
Summer tree dieback is usually caused by overwatering and compacted soil suffocating the roots, not drought. Learn to diagnose it and water correctly.