The Haiyuan earthquake changes the course of rivers, dammed other rivers, and generated landslides and ground cracks over large areas. 1. 1556 Shaanxi earthquake . The 1556 Shaanxi earthquake is the deadliest earthquake on record, having killed about 830,000 people. The earthquake struck on the morning of January 23, 1556, in Shaanxi, China during the rule of the Ming Dynasty. Over 97 counties in the region were affected by the earthquake.
Most of the important dietary staples, such as fiber, vitamins, and potassium are contained in the skin. Baked potatoes are also a great source of iodine; one medium potato provides about 40% of the recommended daily amount of iodine. Serving Size (1 medium potato), 60 micrograms of iodine (40% DV), 161 calories.
Seaweed has such a large proportion of iodine compared to dietary minimum requirements, that it is primarily known as a source of this nutrient. The highest iodine content is found in brown algae, with dry kelp ranging from 1500-8000 ppm (parts per million) and dry rockweed (Fucus) from 500-1000 ppm.ust one gram of dried brown algae provides from 500-8,000 g of iodine and even the green and red algae (such as the purple nori that is used in Japanese cuisine) provides 100-300 g in a single gram. The amounts of seaweed ingested as food in Japan, or in supplements, is often considerably more than 1 gram a day.