EcoWatch: The landscape of eastern Washington State is deceptively tranquil: a pastiche of vineyards, farms, scrub grass, ridges and windmills. But what appears peaceful and settled in the moment has proven restive and violent over geologic time. Beneath the glacial trough of the Puget Lowland, and extending east through the Cascades to the Columbia Basin, lies a hidden landscape of geomorphic rubble--broken basalt, vast shards of continental rock, volcanic ash and layers of ancient sediment. Like a picnic...