On 19 August 2018 a major earthquake struck with high intensity on the northeast corner of Lombok (Sambelia and Labuhan Lombok settlements) and northwest Sumbawa (Poto Tano settlement) at 22:56 local time, a few km to the east of the series of quakes that had been rocking the area for the past 3 weeks. It was measured at Mw 6.9 (USGS), at a depth of 21.0 km.[1] The Indonesian BMKG announced that it was a new major earthquake and it was not an aftershock. The earthquake occurred on the same overall structure, the Flores Back Arc Thrust Fault, however according to scientists it happened on a different thrust fault as there are many individual structures within the belt.[2] There were 14 deaths and 1800 homes have been damaged, half severely, due to this event, including deaths on Sumbawa, following 2 deaths from the previous Lombok quake roughly 24 hours earlier.[3] Heavy tiles fell from the local mosque, and 143 patients were being treated outdoors in makeshift tents for injuries on Sumbawa.[4]
 Shakemap for the 19 August 2018 Lombok earthquake | |
  | |
| UTC time | 2018-08-19 14:56:28 |
|---|---|
| ISC event | 612543198 |
| USGS-ANSS | ComCat |
| Local date | 19 August 2018 |
| Local time | 22:56 |
| Magnitude | 6.9 Mw |
| Depth | 21.0 km |
| Epicenter | 8°19′26″S 116°37′34″E / 8.324°S 116.626°E |
| Fault | Flores Back Arc Thrust Belt |
| Type | Thrust |
| Max. intensity | MMI VII (Very strong) |
| Casualties | 14 dead, 24 injured |
See also edit
References edit
- ^ "M 6.9 – 2km S of Belanting, Indonesia". USGS. Retrieved 19 August 2018.
- ^ "BMKG: Gempa 7,0 SR di Lombok Aktivitas Baru, Beda dengan Sebelumnya". Detik news (in Indonesian). Retrieved 20 August 2018.
- ^ "Quake swarm jolts Indonesian islands, killing at least 13". Bangkok Post. Retrieved 20 August 2018.
- ^ Santoso, Audrey. "Gempa Lombok, 143 Pasien Dirawat di Lapangan Kantor Pemda Sumbawa". Detik news (in Indonesian). Retrieved 20 August 2018.
External links edit
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
- ReliefWeb's main page for this event. – This link covers all the July and August Lombok earthquakes.
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