The Letter Series and the Golden Years of IH. The F-series tractors lasted until 1939. In late 1939, the famous Letter series of Farmall tractors was introduced. The model name letters were A, B, BN, C (which replaced the B and BN in 1948), H, M, and MD(M diesel).
Japan has had a long history of earthquakes and seismic activity. It is an area of high seismicity because it is located near major tectonic plate boundaries and is situated on the Pacific Ring of Fire.n July 16, 2007, an earthquake measuring 6.6 M, the 2007 ChÅ«etsu offshore earthquake hit about 29 kilometres (18 mi) west of Niigata in the northwest Niigata region of Japan. ) was a powerful magnitude 6.6 earthquake The earthquake shook Niigata and neighbouring prefectures.
A tsunami generated by a 9.0 undersea earthquake in 2011, the most powerful quake to ever hit Japan, sent a wall of water into the Japanese coast, killed more than 15,000 people.ukashi Maeno, assistant professor of the Earthquake Research Institute at the University of Tokyo, told Agence France-Presse the lava is accumulating on the east side of the island. âIf lava continues to mount on the eastern area, part of the islandâs slopes could collapse and cause a tsunami,â he told AFP.