An earthquake, also known as a quake, tremor or temblor, is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time.

At the Earth's surface, earthquakes manifest themselves by shaking and sometimes displacement of the ground. When the epicenter of a large earthquake is located offshore, the seabed may be displaced sufficiently to cause a tsunami. Earthquakes can also trigger landslides, and occasionally volcanic activity.

Aftershocks keep survivors on edge in Nepal

Aftershocks keep survivors on edge in Nepal

Foreign aid and relief workers land in the Nepalese capital of Kathmandu as aftershocks rumble a day after an earthquake killed at least 2,400 people. (Cover photo: Reuters)

Monday, 27 April, 2015, 4:04pm

Chile declares disaster after 8.2-magnitude quake sparks mass evacuations

People look at boats washed up after the earthquake in the harbour at Iquique. Photo: AFP

The Chilean government evacuated the country’s northern coast and declared the area a disaster zone after an 8.2-magnitude earthquake struck off Chile on Tuesday, killing five and triggering a tsunami.

2 Apr 2014 - 11:12pm

Death toll revised down to three in quake at Yunnan mountain scenic area

An injured person is rescued after Saturday's 5.8 magnitude earthquake in Yunnan. Only three deaths were reported. Photo: Reuters

The death toll from an earthquake in southwest Yunnan province has been lowered to three, officials said, while 17 tourists were reported to have been rescued from a trapped bus.

2 Sep 2013 - 4:58am

At least four dead in earthquake near China's Shangri-La

 Photo taken by mobile phone shows rubbles falling from a house due to the earthquake in Deqen County, southwest China's Yunnan Province. Photo: Xinhua

An earthquake struck a remote part of southwest China on Saturday near the popular tourist area of Shangri-La, killing at least four people, state media said.

The 5.8 magnitude quake, which struck at 8.04am on Saturday morning, was centred on Benzilan town in Yunnan province on the border with Sichuan province, the US Geological Survey (USGS) said.

31 Aug 2013 - 8:35pm

5.8 magnitude quake hits southwest China

Chidren are pictured in the front of a makeshift tent in the quake-hit Shangqiaotou Village in the Tibetan Autonomous Prefecture of Deqen, southwest China's Yunnan Province. Photo: Xinhua

A 5.8 magnitude earthquake struck a remote area of southwest China on Saturday at a shallow depth of about 10 kilometres (six miles), the US Geological Survey said.

The quake, which struck at 8:04 am, was centred on Benzilan, in the Sichuan-Yunnan border region, the USGS said.

State media said rescue teams were heading to the mountainous area.

31 Aug 2013 - 9:15am

New Zealand capital shakes 'like jelly' in powerful quake

Goods shaken off a store's shelves. Photo: Reuters

A powerful earthquake rattled New Zealand's main cities yesterday, sending terrified office workers fleeing. Central Wellington shook "like jelly", but authorities reported no major damage.

17 Aug 2013 - 3:52am

Scramble to reach quake survivors in Aceh

A woman grieves over the body of her baby in an ambulance, one of the quake victims in Lampahan village. Photo: AFP

Rescuers battled through landslides and blocked roads yesterday to reach survivors from an earthquake in Indonesia's Aceh province that killed at least 24 people, including several children who died when a mosque collapsed.

4 Jul 2013 - 2:31am

Dozens injured as powerful quake hits Indonesia’s Aceh province

Earthquake victims receive medical treatment outside a community health center in Bener Meriah, Aceh province. Photo: AP

A powerful earthquake in Indonesia's Aceh province flattened buildings and sparked landslides yesterday, killing at least 11 people and injuring dozens in a region devastated by the quake-triggered tsunami of 2004.

3 Jul 2013 - 2:21am

Two dead, 21 hurt as earthquake rocks central Taiwan

An official at the seismology centre in Taipei points to a chart after the 6.3-magnitude earthquake shook buildings in the city. Photo: AFP

The 6.3-magnitude quake struck at 1.43pm at a depth of just 10 kilometres. It was the island's strongest this year and was felt in Hong Kong and some parts of the southern coast of the mainland, Taiwan's Central Weather Bureau said. The US Geological Survey put its strength at 6.2.

3 Jun 2013 - 5:06am 1 comment

For earthquake victims, relief delayed is relief denied

Local residents donate money to the Red Cross in Dongguan Great Mosque in Xining, capital of northwest China's Qinghai Province. Photo: Xinhua

When it comes to relief aid for victims of natural disasters, the sooner the better. That is why rescuers and volunteers wasted no time rushing into Sichuan province after it was hit by a severe earthquake on April 20, the second fatal one in five years. Two weeks have passed. The local situation does not appear to have improved much.

3 May 2013 - 3:41am

Media reports of premier's visit to Sichuan quake zone show propaganda grip

Premier Li Keqiang visits a disease control unit at the centre of efforts to curb the spread of the H7N9 virus (left). Photo: Xinhua

The People's Daily published a lengthy feature online yesterday detailing how Premier Li Keqiang took command of rescue operations for the Sichuan earthquake , over the past 10 days, and analysts said it appeared to be part of a well-planned propaganda push to cast the nation's new leadership in a positive light.

2 May 2013 - 4:24am 2 comments

Not giving up on a single life! says PLA as photo of pig rescue circulates

A pig being rescued by PLA troops in the earthquake-struck zone, Sichuan, April 25, 2013. Photo: Screenshot from Sina Weibo

"Not giving up on a single life!", the People's Liberation Army Chengdu military region wrote in a propaganda microblog it has set up to praise its troops' rescue efforts during the Sichuan earthquake.

29 Aug 2013 - 4:13am

Officials say schools and hospitals rebuilt after 2008 saved lives

A child hands out water to People's Armed Police helping survivors of Saturdays' earthquake in Yaan, Sichuan province. Photo: AFP

Qiu Jian, chief housing planner with the Sichuan government, said a preliminary survey by more than 400 inspectors had found that that no buildings rebuilt after the 2008 earthquake had "completely collapsed".

26 Apr 2013 - 5:05am

Seven killed, dozens hurt in Afghan quake

Earthquake survivors work on the rubble of a mud house after it collapsed following the quake in Jalalabad province on Wednesday. Photo: Reuters

Seven people were killed, dozens injured and many homes destroyed when a powerful earthquake struck eastern Afghanistan on Wednesday, officials said.

The quake, measured at a magnitude of 5.6 by the US Geological Survey, sent people rushing from their homes in worst-hit areas and was felt in the Afghan capital Kabul and in Islamabad in neighbouring Pakistan.

24 Apr 2013 - 9:28pm

Red Cross slated over Baoxing quake relief canvassing

A man in Lhasa donates for the Sichuan earthquake victims. Photo: Xinhua

The scandal-plagued Red Cross Society of China has once again invoked public anger by canvassing for quake relief donations at one of the hardest hit areas struck by the 7.0-magnitude Yaan earthquake.

Financial news magazine CBN Weekly reporters took photographs of a Red Cross booth in Baoxing county and published them on an official account on a microblogging platform.

23 Apr 2013 - 8:06pm