1999 Jiji earthquake

1999 Jiji earthquake
최광모 · CC BY-SA 4.0 · source
Name	1999 Jiji earthquake
Date	September 21, 1999
Magnitude	7.6-7.7
Depth	8 km
Epicenter	Nantou County, Taiwan
Countriesaffected	Taiwan
Type	Intraplate

1999 Jiji earthquake was a devastating seismic event that struck Taiwan on September 21, 1999, causing widespread destruction and loss of life, particularly in Nantou County and surrounding areas, including Taichung and Changhua County. The earthquake was felt as far away as Hong Kong, Macau, and parts of Fujian Province in China. It was one of the most significant earthquakes to affect Taiwan in recent history, prompting a major response from emergency services, including the Taiwanese Red Cross and the Ministry of National Defense (Taiwan). The earthquake also drew international attention, with offers of aid and support from countries such as Japan, United States, and South Korea.

● Introduction

The 1999 Jiji earthquake occurred on September 21, 1999, at 1:47 am local time, with its epicenter located in Nantou County, Taiwan. The earthquake was a result of the movement of the Eurasian Plate and the Philippine Sea Plate, which created a significant amount of stress in the Earth's crust, leading to the sudden release of energy in the form of seismic waves, similar to those experienced during the Northridge earthquake and the Kobe earthquake. The earthquake was preceded by several foreshocks, including a magnitude 6.4 earthquake that occurred on September 19, 1999, and was followed by numerous aftershocks, including a magnitude 6.8 earthquake that occurred on September 26, 1999, causing further damage and disruption to the affected areas, including Sun Moon Lake and Puli Township. The earthquake was widely felt, with reports of shaking and damage coming from as far away as Kaohsiung, Tainan, and Hsinchu.

● Earthquake characteristics

The 1999 Jiji earthquake had a magnitude of 7.6-7.7 on the Richter scale, making it one of the largest earthquakes to affect Taiwan in recent history, comparable to the Great Hanshin earthquake and the 1994 Northridge earthquake. The earthquake had a focal depth of approximately 8 km, which is relatively shallow, and its epicenter was located near the town of Jiji, Nantou, from which the earthquake got its name, similar to the 2008 Sichuan earthquake and the 2011 Tohoku earthquake. The earthquake was characterized by a significant amount of vertical motion, which resulted in widespread damage to buildings and infrastructure, particularly in areas with poor construction practices, such as Thailand and Indonesia. The earthquake also triggered numerous landslides and rockfalls, which blocked rivers and caused flooding in some areas, including the Wu River and the Choshui River.

● Impact and damage

The 1999 Jiji earthquake had a significant impact on Taiwan, causing widespread damage and loss of life, particularly in Nantou County and surrounding areas, including Taichung and Changhua County. The earthquake resulted in the deaths of over 2,400 people, with many more injured, and caused significant damage to buildings, infrastructure, and the environment, including the Sun Moon Lake National Scenic Area and the Taroko National Park. The earthquake also had a significant economic impact, with estimated losses of over $10 billion, making it one of the costliest natural disasters in Taiwan's history, comparable to the 1995 Great Hanshin earthquake and the 2011 Tōhoku earthquake and tsunami. The earthquake was widely reported in the international media, with coverage from news organizations such as BBC News, CNN, and Al Jazeera, and prompted a major response from emergency services, including the Taiwanese Red Cross and the Ministry of National Defense (Taiwan).

● Relief efforts

The relief efforts following the 1999 Jiji earthquake were led by the Taiwanese government, with support from international organizations such as the United Nations, Red Cross, and NGOs, including Oxfam and Doctors Without Borders. The relief efforts focused on providing emergency aid, including food, shelter, and medical care, to those affected by the earthquake, particularly in areas such as Puli Township and Guoxing Township. The relief efforts also included search and rescue operations, which were carried out by teams from Taiwan, Japan, and United States, including the United States Agency for International Development and the Japanese Red Cross. The relief efforts were widely reported in the media, with coverage from news organizations such as NHK, ABC News, and CBS News.

● Aftermath and reconstruction

The aftermath of the 1999 Jiji earthquake saw a major reconstruction effort, led by the Taiwanese government, with support from international organizations and donors, including the Asian Development Bank and the World Bank. The reconstruction effort focused on rebuilding damaged infrastructure, including roads, bridges, and buildings, and providing support to those affected by the earthquake, particularly in areas such as Nantou County and Changhua County. The reconstruction effort also included measures to reduce the risk of future earthquakes, such as the implementation of stricter building codes and the development of early warning systems, similar to those used in Japan and California. The reconstruction effort was widely reported in the media, with coverage from news organizations such as The New York Times, The Washington Post, and The Economist, and was recognized as a model for post-disaster reconstruction, comparable to the reconstruction of Kobe and the reconstruction of Christchurch. Category:Earthquakes in Taiwan