5 August 2018 Lombok earthquake

5 August 2018 Lombok earthquake
A collapsed mosque in North Lombok
5 August 2018 Lombok earthquake is located in Lombok
5 August 2018 Lombok earthquake
5 August 2018 Lombok earthquake is located in Lesser Sunda Islands
5 August 2018 Lombok earthquake
5 August 2018 Lombok earthquake is located in Indonesia
5 August 2018 Lombok earthquake
UTC time2018-08-05 11:46:37
ISC event612456510
USGS-ANSSComCat
Local date5 August 2018 (2018-08-05)
Local time19:46:35 (WITA)
Magnitude6.9 Mw
7.0 ML
Depth34.0 km (21.1 mi)
Epicenter8°17′13″S 116°27′07″E / 8.287°S 116.452°E / -8.287; 116.452
FaultFlores Back Arc Thrust Fault
TypeThrust
Areas affectedBali and West Nusa Tenggara, Indonesia
Max. intensityMMI VIII (Severe)
Tsunami2 m (6.6 ft)[1][2]
LandslidesYes
Foreshocks6.4 Mw
28 July 2018 (2018-07-28) 22:47:37 (UTC)
29 July 2018 (2018-07-29) 06:47:37 (WITA)
Aftershocks6.3 Mw
19 August 2018 (2018-08-19) 04:10:22 (UTC)
663 total aftershocks
Casualties563 dead, +1,000 injured (includes casualties from all of the earthquakes that affected Lombok in August)

On 5 August 2018, a destructive and shallow earthquake measuring Mw  6.9 (ML  7.0 according to BMKG) struck the island of Lombok, Indonesia. It was the main shock following its foreshock, a nearby Mw  6.4 earthquake on 29 July. It was followed by a nearby 6.9 earthquake on 19 August 2018.

The epicentre was located inland, near Loloan Village in North Lombok Regency. The fault rupture spread to the north and reached the sea, creating tsunamis. Severe shaking was reported throughout the island, while strong shaking was reported on the neighboring islands of Bali and Sumbawa.

Widespread damage was reported in Lombok and Bali. Officials stated that at least 80% of the structures in North Lombok were damaged or destroyed. In the aftermath of the sequence of earthquakes in August, a total of 563 people were confirmed killed while more than 1,000 were confirmed injured. More than 417,000 people were displaced.[3][4]

This earthquake is the largest and the strongest earthquake to have hit Lombok in recorded history. With more than 560 deaths, it is also the deadliest earthquake in the Lesser Sunda Islands since the 1992 Flores earthquake and tsunami.[5] The earthquake later caused chains of earthquakes in West Nusa Tenggara with significant magnitude, which was deemed by officials as a rare event.[6]

  1. ^ Cite error: The named reference TSUNAMI_WAVE was invoked but never defined (see the help page).
  2. ^ "BMKG: Tsunami 10–15 Cm Sudah Masuk Daratan Lombok". IDN Times. Archived from the original on 6 August 2018. Retrieved 6 August 2018.
  3. ^ Adem, Salvarcioglu; Guler, Sena. "Death toll from Indonesian quakes climbs to 563". Anadolu Agency. Archived from the original on 26 August 2018. Retrieved 26 August 2018.
  4. ^ Cite error: The named reference kompas was invoked but never defined (see the help page).
  5. ^ "Magnitudo 7,0 Jadi Gempa Terbesar Dalam Sejarah Lombok". Kompas. Archived from the original on 9 August 2018. Retrieved 9 August 2018.
  6. ^ "BNPB Ungkap Tiga Bencana Indonesia Sebagai Fenomena Langka". CNN Indonesia. Archived from the original on 19 January 2019. Retrieved 19 January 2019.

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