Java Earthquake 5.7 - 18 km ESE of Banjar, Indonesia 2022-12-03 09:49:39

 5.7 - 18 km ESE of Banjar, Indonesia

2022-12-03 09:49:39 (UTC)7.249°S 107.588°E112.5 km profundity

Regulatory District

ISO

IDN

Area

Jawa Barat

Country

Indonesia

Close by Spots

Banjar, West Java, Indonesia

18.3 km (11.4 mi) WNWPopulation: 37263

Banjaran, West Java, Indonesia

22.6 km (14.1 mi) NPopulation: 164952

Soreang, West Java, Indonesia

25.2 km (15.6 mi) NNWPopulation: 150932

Paseh, West Java, Indonesia

25.3 km (15.7 mi) NEPopulation: 126181

Bandung, West Java, Indonesia

36.4 km (22.6 mi) NPopulation: 1699719

Distance and course from focal point to local spot

Structural Rundown

Seismotectonics of the Sumatra Locale

The plate limit southwest of Sumatra is important for a long structural crash zone that stretches out more than 8000 km from Papua in the east to the Himalayan front in the west. The Sumatra-Andaman part of the impact zone frames a subduction zone megathrust plate limit, the Sunda-Java channel, which obliges combination between the Indo-Australia and Sunda plates. This union is liable for the extraordinary seismicity and volcanism in Sumatra. The Sumatra Shortcoming, a significant change structure that divides Sumatra, obliges the northwest-expanding horizontal part of relative plate movement.

Relative plate movement between the Indo-Australia and Sunda plates is fast, diminishing from approximately 63 mm/year close to the southern tip of Sumatra (Australia comparative with Sunda) to 44 mm/year north of Andaman Islands (India comparative with Sunda) and pivoting counterclockwise toward the northwest, so relative movement close to Jakarta is almost channel ordinary however turns out to be almost channel lined up close to Myanmar. Because of the pivot in relative movement along the strike of the circular segment and the collaboration of different structural plates, a few interrelated structural components form the Sumatra-Andaman plate limit. Most strain collection and delivery happens along the Sunda megathrust of the principal subduction zone, where lithosphere of the subducting Indo-Australia plate is in touch with the overlying Sunda plate down to a profundity of 60 km. Strain discharge related with deformity inside the subducting section is proven by more profound seismic tremors that reach out to profundities of under 300 km on Sumatra and 150 km or less along the Andaman Islands. The inexorably diagonal intermingling between these two plates moving northwest along the bend is obliged by crustal seismicity along a progression of change and ordinary flaws. East of the Andaman Islands, back-curve spreading in the Andaman Ocean delivers a zone of circulated ordinary and strike-slip blaming. Like the Sumatran Shortcoming, the Sagaing Issue close to Myanmar additionally obliges the strike-slip part of diagonal plate movement. Plate-limit related misshapening is likewise not confined to the subduction zone and superseding plate: the subducting Indo-Australian plate really contains two fairly free plates (India and Australia), with modest quantities of movement comparative with each other, that are joined along an expansive, effectively distorting locale delivering seismicity as much as a few hundred kilometers west of the channel. This deformity is exemplified by the new April 2012 tremor succession, which incorporates the April 11 M 8.6 and M 8.2 strike-slip occasions and their resulting consequential convulsions.

Paleoseismic concentrates on involving coral reefs as an intermediary for relative land level changes related with quake removal propose that the Sunda circular segment has over and over cracked during moderately enormous occasions before, with records reaching out as far back as the tenth hundred years. In northern Simeulue Island, the southern end of the 2004 megathrust seismic tremor break region, a bunch of megathrust quakes happened more than a long term period between A.D. 1390 and 1455, bringing about inspire considerably more noteworthy than that brought about by the 2004 occasion. Concentrates on that glance at large sheeted stores of sand ashore deciphered as the vehicle of trash from a torrent wave likewise show that this locale has encountered critical tidal waves in the previous hundreds of years, yet rarely.

Preceding 2004, the latest megathrust tremors along the Sumatran-Andaman plate limit were in 1797 (M 8.7-8.9), 1833 (M 8.9-9.1) and 1861 (M8.5). Beginning around 2004, a significant part of the Sunda megathrust between the northern Andaman Islands and Enggano Island, a distance of in excess of 2,000 km, has cracked in a progression of huge subduction zone seismic tremors - most bursting the plate limit south of Banda Aceh. The incomparable M 9.1 seismic tremor of December 26, 2004, which delivered an overwhelming tidal wave, burst a large part of the limit among Myanmar and Simeulue Island seaward Banda Aceh. Quickly toward the south of the incredible 2004 quake, the M 8.6 Nias Island seismic tremor of Walk 28, 2005 cracked a 400-km segment among Simeulue and the Batu Islands. Farther south in the Mentawai islands, two seismic tremors on September 12, 2007 of M 8.5 and M 7.9 happened in the southern part of the assessed 1797 and 1833 bursts zone, which reaches out from roughly Enggano Island toward the northern piece of Siberut Island. More modest tremors have likewise been locally significant: a M 7.6 burst inside the subducting plate caused impressive harm in Padang in 2009, and a M 7.8 break on October 25, 2010 happened on the shallow piece of the megathrust toward the west of the Mentawai Islands, and caused a significant tidal wave on the west shore of those islands.

Notwithstanding the ongoing seismic dangers along this part of the Sunda bend, this area is additionally perceived as having quite possibly of the greatest volcanic risk on the planet. Quite possibly of the most emotional emission in mankind's set of experiences was the Krakatau ejection on August 26-27, 1883, a fountain of liquid magma just toward the southeast of the island of Sumatra, which brought about north of 35, 000 losses.

Subduction and seismicity along the plate limit contiguous Java is essentially not quite the same as that of the Sumatran-Andaman area. Relative movement along the Java bend is channel ordinary (around 65-70 mm/year) and doesn't display a similar strain parceling and back-circular segment strike-slip blaming that are seen along the Sumatra edge. Neither has the Java subduction zone facilitated comparative enormous extent megathrust occasions to those of its neighbor, in reported history. Albeit this locale isn't as seismically dynamic as the Sumatra district, the Java bend has facilitated low to halfway greatness extensional quakes and profound concentration (300-700 km) occasions and displays a comparative on the off chance that not higher volcanic peril. This circular segment has likewise facilitated two enormous, shallow tidal wave quakes in the new past which brought about high torrent run-ups along the southern Java coast.