| Magnitude | 9.0 |
| Date-Time | Sunday, December 26, 2004 at 00:58:53 (UTC) |
| Location | 3.30N 95.96E |
| Depth | 30 km (18.6 miles) set by location program |
| Region | OFF THE WEST COAST OF NORTHERN SUMATRA |
| Distances |
255 km (155 miles) SSE of Banda Aceh, Sumatra, Indonesia 300 km (185 miles) W of Medan, Sumatra, Indonesia 1260 km (780 miles) SSW of BANGKOK, Thailand 1590 km (990 miles) NW of JAKARTA, Java, Indonesia |
| Location Uncertainty | Error estimate: horizontal +/- 5.9 km; depth fixed by location program |
| Parameters | Nst=274, Nph=274, Dmin=654.9 km, Rmss=1.04 sec, Gp= 29°, M-type=teleseismic moment magnitude (Mw), Version=T |
| Source |
USGS NEIC (WDCS-D) |
| Event ID | usslav |
| Felt Reports | This is the fourth largest earthquake in the world since 1900 and is the largest since the 1964 Prince William Sound, Alaska earthquake. In total, more than 283,100 people were killed, 14,100 are still listed as missing and 1,126,900 were displaced by the earthquake and subsequent tsunami in 10 countries in South Asia and East Africa. The earthquake was felt (IX) at Banda Aceh, (VIII) at Meulaboh and (IV) at Medan, Sumatra and (III-V) in parts of Bangladesh, India, Malaysia, Maldives, Myanmar, Singapore, Sri Lanka and Thailand. The tsunami caused more casualties than any other in recorded history and was recorded nearly world-wide on tide gauges in the Indian, Pacific and Atlantic Oceans. Seiches were observed in India and the United States. Subsidence and landslides were observed in Sumatra. A mud volcano near Baratang, Andaman Islands became active on December 28 and gas emissions were reported in Arakan, Myanmar. (last updated 2/23/05). |