The Phillipene and the Eurashian
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The three tectonic plates near Kobe are the Eurasian Plate, the Philippine Sea Plate, and the Pacific Plate. These plates interact at the boundaries near Kobe, contributing to the region's seismic activity.
Kobe is a city in Hyogo Prefecture, Japan. It is known for being a major port and for its scenic views of Mount Rokko. In 1995, Kobe was struck by a devastating earthquake that caused widespread damage and loss of life.
The Kobe earthquake in 1995 was caused by the movement of the Eurasian Plate being subducted beneath the Philippine Sea Plate along the Nankai Trough. This movement resulted in the sudden release of energy that led to the earthquake.
On Tuesday, January 17th 1995, at 5.46 a.m. (local time), an earthquake of magnitude 7.2 on the Richter Scalestruck the Kobe region of south-central Japan. This region is the second most populated and industrialized area after Tokyo, with a total population of about 10 million people. The ground shook for only about 20 seconds but in that short time, over 5,000 people died, over 300,000 people became homeless and damage worth an estimated £100 billion was caused to roads, houses, factories and infrastructure (gas, electric, water, sewerage, phone cables, etc).Three crustal plates meet near to the coast of Japan. Close to Kobe, the denser oceanic Philippines Plate is being subducted beneath the lighter continental Eurasian Plate at a rate of about 10 centimetres per year. The Japanese island arc has been formed from the molten magma released by the melting Philippines Plate. Earthquakes are very common here and happen because of the friction resulting from the two plates colliding along this destructive margin. [In 1923, the Great Kanto Earthquake killed 140,000 people in this area.] The great destruction which resulted from the 1995 Kobe Earthquake was due to the shallow depth of the focus which was only about 16 kms. below the surface and the fact that the epicentre occurred close to a very heavily populated area. Seismic shockwavestravelled from Awaji Island (the epicentre) along the Nojima Fault to the cities of Kobe and Osaka.
The Kobe Earthquake in 1995 caused significant damage to the marine ecosystem, including disruption of habitats, oil spills, and contamination of the sea with debris and chemicals. The earthquake also triggered landslides and underwater movements that affected the sea floor and marine life in the region.