In this article. When you have diarrhea, your bowel movements (stools) are loose and watery. Itâs very common and although it feels bad, it's usually not serious. It typically lasts two to three days, and if you need to treat it, there are over-the-counter medicines, which means they don't need a prescription.all your doctor immediately if you have: 1  Blood in your diarrhea or black, tarry stools. 2  A fever that is high (above 101 F) or that lasts more than 24 hours. 3  Diarrhea lasting longer than 2 days. 4  Nausea or vomiting that prevents you from drinking liquids to replace lost fluids. 5  Severe pain in your belly or rectum.
There are probably millions of volcanoes that have been active during the whole lifespan of the earth. During the past 10,000 years, there are about 1500 volcanoes on land that are known to have have been active, while the even larger number of submarine volcanoes is unknown.
During the 20th century, there were a total of 3,542 volcanic eruptions globally. That works out to approximately 35 eruptions per year. That may sound like a lot, but according to Volcano Discovery there are 36 volcanoes erupting around the world right now. In other words, the number of volcanoes erupting as you read this article is greater than the 20th centuryâs yearly average. And all of this is part of a larger trend.