To make a bar tack stitch yourself, just set your sewing machine to a very small, very tight zigzag stitch. In a blue jeans factory, youâd find a machine just for making bar tack stitches. Here is a quick video of one in action. Places you might want to use bar tack stitches: garment pockets.
How far inland can a tsunami go? Quick Answer. With wave speeds that can reach as much as 435 miles per hour, a tsunami can travel as far inland as 10 miles, depending on the slope and the shape of the shoreline that it is traveling across.
Less than an hour after the earthquake, the first of many tsunami waves hit Japan's coastline. The tsunami waves reached run-up heights (how far the wave surges inland above sea level) of up to 128 feet (39 meters) at Miyako city and traveled inland as far as 6 miles (10 km) in Sendai.