Why Maine’s Sandy Shorelines Turn Jagged at Portland
Maine’s coastline splits dramatically at Portland: sandy beaches to the west, rocky cliffs to the east. Geology and sediment distribution explain the contrast and shape coastal hazards.
geology
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California Faults Under Highest Stress in 1,000 Years: What It Means
California’s earthquake faults are under their highest stress in 1,000 years, a new study finds. But scientists say this doesn’t mean the ‘Big One’ is imminent—yet.