Confidence votes 13.1K. 1 US cup = 48 US teaspoons. A teaspoon is one-sixth of a fluid ounce. In other words, there are six teaspoons in one ounce, and there are eight ounces in a cup. 6 times 8 equals 48. 1 cup = 48 teaspoons.
Graph showing the annual average number of worldwide earthquakes of each magnitude calculated over the last 20 years. This shows how earthquake numbers decrease as magnitude increases. For example: there are roughly ten times as many earthquakes of magnitude 6 than magnitude 7.CLICK TO ENLARGE.n average there are about 15 earthquakes every year with a magnitude of 7 or greater. As with any almost random phenomena, the number of earthquakes each year varies slightly from this average, but in general, there are no dramatic variations.
While earthquakes occur almost constantly around the world â according to USGS data, since 1900, there have been an average of over 14,000 earthquakes with a magnitude of 4 or higher every year and about 150 per year with a magnitude of 6 or greater, only some of them cause extreme devastation.