Very strong mag. 6.0 earthquake - 47 km north of Pulau Siaimu Island, Sumatra Barat, Indonesia, on Wednesday, December 23, 2009 at 01:11 GMT
Quake Data | Interactive map | User Reports | Aftershocks | Earlier quakes here | Quakes in Indonesia | Sumatra Barat | Jambi | North Sumatra | Riau | Jakarta

Very strong magnitude 6.0 earthquake at 19 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Magnitude: 6
Depth: 19.0 km
Epicenter latitude / longitude: 1.434°S / 99.393°E

Antipode: 1.434°N / 80.607°W
Nearest volcano: Maninjau (150 km / 93 mi)
Nearby towns and cities:
120 km (74 mi) WSW of Padang (pop: 840,400) --> See nearby quakes!
121 km (75 mi) SW of Pariaman (pop: 92,200) --> See nearby quakes!
157 km (98 mi) WSW of Solok (pop: 48,400) --> See nearby quakes!
166 km (103 mi) SW of Bukittinggi (pop: 98,700) --> See nearby quakes!
193 km (120 mi) SW of Payakumbuh (pop: 121,600) --> See nearby quakes!
194 km (121 mi) WSW of Sijunjung (pop: 27,800) --> See nearby quakes!
233 km (145 mi) WNW of Sungai Penuh (pop: 95,900) --> See nearby quakes!
313 km (195 mi) S of Padangsidempuan (pop: 100,600) --> See nearby quakes!
315 km (195 mi) SW of Pekanbaru (pop: 704,000) --> See nearby quakes!
983 km (611 mi) WNW of Jakarta (pop: 8,540,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) | about seismic energy
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag. | Depth | Location | Source |
6.0 | 19 km | Kepulauan Mentawai region, Indonesia | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (17 quakes)
Date and time![]() | Mag Depth | Location | Details |
Jun 15, 2010 11:54 12 years ago | 4.6 30 km | 31 km NE of Pulau Pittojat Island, Sumatra Barat, Indonesia | More |
May 26, 2010 06:09 12 years ago | 4.4 10 km | 50 km E of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Mar 27, 2010 14:16 12 years ago | 4.2 35 km | 38 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Feb 14, 2010 04:02 12 years ago | 4.6 39 km | 48 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Feb 5, 2010 06:32 12 years ago | 4.5 28 km | 33 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Jan 16, 2010 18:33 12 years ago | 4.0 10 km | 41 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Jan 12, 2010 22:33 12 years ago | 4.3 26 km | 46 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Jan 12, 2010 22:33 12 years ago | 4.3 26 km | 46 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Jan 9, 2010 20:19 12 years ago | 4.3 38 km | 45 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Jan 9, 2010 20:19 12 years ago | 4.3 38 km | 45 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Jan 7, 2010 06:19 12 years ago | 4.1 10 km | 22 km N of Pulau Pittojat Island, Sumatra Barat, Indonesia | More |
Jan 7, 2010 06:19 12 years ago | 4.1 10 km | 22 km N of Pulau Pittojat Island, Sumatra Barat, Indonesia | More |
Dec 25, 2009 01:45 12 years ago | 4.6 27 km | 38 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Dec 24, 2009 05:40 12 years ago | 4.6 10 km | 41 km NE of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Dec 23, 2009 23:55 12 years ago | 4.0 10 km | Pulau Ngiau, 166 km SW of Padang, Sumatra Barat, Indonesia | More |
Dec 23, 2009 02:12 12 years ago | 4.5 25 km | 64 km SW of Pulau Laut Island, Indonesia | More |
Dec 23, 2009 01:47 12 years ago | 4.8 10 km | 46 km N of Pulau Siaimu Island, Sumatra Barat, Indonesia | More |
Earlier earthquakes in the same area
Click here to search our database for earlier earthquakes in the same area since 1900!