August 2009 Sumatra earthquake
Encyclopedia
The 2009 Sumatra earthquake was a 6.7 magnitude earthquake
that occurred on August 16, 2009 near Siberut
, Mentawai Islands
, Indonesia
at 14:38 (local time), (07:38 UTC) injuring at least seven people. The earthquake was felt strongly in Padang
. The epicentre of the quake was located 43 kilometres (26.7 mi) southeast of Siberut Island off western Sumatra.
Earthquake
An earthquake 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...
that occurred on August 16, 2009 near Siberut
Siberut
Siberut is the largest and northernmost of the Mentawai Islands, lying 150 kilometres west of Sumatra in the Indian Ocean. A part of Indonesia, the island is the most important home for the Mentawai people. The western half of the island was set aside as the Siberut National Park in 1993...
, Mentawai Islands
Mentawai Islands
The Mentawai Islands are a chain of about seventy islands and islets off the western coast of Sumatra in Indonesia. Siberut is the largest of the islands. The other major islands are Sipura, North Pagai and South Pagai . The islands lie approximately 150 km off the Sumatran coast, across the...
, Indonesia
Indonesia
Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...
at 14:38 (local time), (07:38 UTC) injuring at least seven people. The earthquake was felt strongly in Padang
Padang, Indonesia
Padang is the capital and largest city of West Sumatra, Indonesia. It is located on the western coast of Sumatra at . It has an area of and a population of over 833,000 people at the 2010 Census.-History:...
. The epicentre of the quake was located 43 kilometres (26.7 mi) southeast of Siberut Island off western Sumatra.
Casualties and damage
There were no reports of casualties or damage on Siberut Island, but an escalator collapsed at a mall in Padang, injuring five people. Two others were hurt when the fences of their homes gave way.Aftershocks
Only aftershocks with magnitude 5.0 or higher are listed. Shocks with magnitude 5.5 or higher are highlighted in light blue. The main shock with moment magnitude 6.7 Mw is highlighted in dark blue.| Date (YYYY-MM-DD) | Time (UTC) | Latitude Latitude In geography, the latitude of a location on the Earth is the angular distance of that location south or north of the Equator. The latitude is an angle, and is usually measured in degrees . The equator has a latitude of 0°, the North pole has a latitude of 90° north , and the South pole has a... | Longitude Longitude Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It is an angular measurement, usually expressed in degrees, minutes and seconds, and denoted by the Greek letter lambda .... | Depth | Magnitude |
|---|---|---|---|---|---|
| 2009-08-16 | 07:38:21 | -1.48° S | 99.49° E | 20 km (12 mi) | 6.7 (Mw) |
| 2009-08-16 | 10:45:26 | -1.55° S | 99.42° E | 10 km (6 mi) | 5.4 (Mb) |
| 2009-08-16 | 12:49:00 | -1.45° S | 99.43° E | 21 km (13 mi) | 5.8 (Mw) |
| 2009-08-16 | 12:57:56 | -1.57° S | 99.43° E | 10 km (6 mi) | 5.0 (Mb) |
| 2009-08-16 | 18:42:23 | -1.53° S | 99.27° E | 23 km (14 mi) | 5.1 (Mb) |
| 2009-08-16 | 18:50:11 | -1.46° S | 99.40° E | 10 km (6 mi) | 5.2 (Mb) |
| 2009-08-16 | 20:23:44 | -1.38° S | 99.55° E | 30 km (19 mi) | 5.1 (Mb) |
| 2009-08-17 | 13:55:37 | -1.44° S | 99.45° E | 10 km (6 mi) | 5.0 (Mb) |
| 2009-08-18 | 09:28:56 | -1.45° S | 99.42° E | 26 km (16 mi) | 5.1 (Mb) |
| 2009-08-18 | 16:26:48 | -0.96° S | 97.96° E | 19 km (12 mi) | 5.1 (Mb) |
| 2009-08-18 | 17:50:34 | -0.91° S | 97.95° E | 10 km (6 mi) | 5.9 (Mw) |
| 2009-08-19 | 02:55:08 | -1.37° S | 99.37° E | 10 km (6 mi) | 5.5 (Mw) |
| 2009-08-19 | 11:35:20 | -1.42° S | 99.48° E | 10 km (6 mi) | 5.1 (Mb) |
See also
- 2009 Sumatra earthquakes2009 Sumatra earthquakesThe September 2009 Sumatra earthquake occurred just off the southern coast of Sumatra, Indonesia. The major shock hit at 17:16:10 local time on and had a moment magnitude of 7.6. The epicenter was west-northwest of Padang, Sumatra, and southwest of Pekanbaru, Sumatra. Early death-toll estimates...
(more serious earthquake in September) - September 2007 Sumatra earthquakesSeptember 2007 Sumatra earthquakesThe September 2007 Sumatra earthquakes were a series of megathrust earthquakes that struck the Java Trench off the coast of Sumatra, Indonesia, three greater than magnitude 7. A series of tsunami bulletins was issued for the area...
- 2005 Sumatra earthquake2005 Sumatra earthquakeThe 2005 Sumatra earthquake, referred to as the Nias Earthquake by the scientific community, was a major earthquake on 28 March 2005, located off the west coast of northern Sumatra, Indonesia. Approximately 1300 people were killed by the earthquake, mostly on the island of Nias...
- 2000 Sumatra earthquake2000 Sumatra earthquakeThe 2000 Sumatra earthquake struck at 23:30 local time on June 4, 2000 off the coast of southern Sumatra, Indonesia with a magnitude of 7.9 Mw. The United States Geological Survey reported 103 fatalities, in addition to 2,174 injured people...