Why is it difficult to make an accurate short term prediction? what clues might suggest an earthquake may happen fairly soon?

a community that experiences major changes undergoes progress

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.

not: both offer magnification to the atomic level.