Abebura Indonesia Earthquake today 5.5 - 174 km W of Abepura, Indonesia 2022-12-08 04:58:57

 5.5 - 174 km W of Abepura, Indonesia

2022-12-08 04:58:57 (UTC)2.715°S 139.070°E37.4 km profundity

Regulatory Locale

ISO

IDN

Area

Papua

Country

Indonesia

Close by Spots

Abepura, Papua, Indonesia

174.2 km (108.2 mi) EPopulation: 62248

Jayapura, Papua, Indonesia

184.3 km (114.5 mi) EPopulation: 134895

Vanimo, Sandaun, Papua New Guinea

248.2 km (154.2 mi) EPopulation: 11204

Nabire, Papua, Indonesia

403.2 km (250.5 mi) WPopulation: 43898

Kiunga, Western Area, Papua New Guinea

452.1 km (280.9 mi) SSEPopulation: 11536

Distance and course from focal point to local spot.

Structural Synopsis

Seismotectonics of the New Guinea Area and Area

The Australia-Pacific plate limit is more than 4000 km long on the northern edge, from the Sunda (Java) channel in the west to the Solomon Islands in the east. The eastern segment is more than 2300 km long, expanding west from upper east of the Australian landmass and the Coral Ocean until it meets the east shore of Papua New Guinea. The limit is overwhelmed by the overall toward the north subduction of the Australia plate.

Along the South Solomon channel, the Australia plate joins with the Pacific plate at a pace of roughly 95 mm/yr towards the east-upper east. Seismicity along the channel is predominantly connected with subduction tectonics and enormous quakes are normal: there have been 13 M7.5+ tremors recorded beginning around 1900. On April 1, 2007, a M8.1 interplate megathrust seismic tremor happened at the western finish of the channel, producing a wave and killing something like 40 individuals. This was the third M8.1 megathrust occasion related with this subduction zone in the previous hundred years; the other two happened in 1939 and 1977.

Further east at the New England channel, the overall movements of a few microplates encompassing the Australia-Pacific limit, including north-south situated ocean bottom spreading in the Woodlark Bowl south of the Solomon Islands, keep up with the overall toward the north subduction of Australia-partnered lithosphere underneath Pacific-subsidiary lithosphere. The vast majority of the enormous and incredible tremors east of New Guinea are connected with this subduction; such quakes are especially gathered at the cusp of the channel south of New Ireland. 33 M7.5+ quakes have been recorded beginning around 1900, remembering three shallow push shortcoming M8.1 occasions for 1906, 1919, and 2007.

The western finish of the Australia-Pacific plate limit is maybe the most mind boggling piece of this limit, broadening 2000 km from Indonesia and the Banda Ocean to eastern New Guinea. The limit is predominantly focalized along a curve mainland impact portion crossing the width of New Guinea, yet the districts close to the edges of the impinging Australia mainland edge additionally incorporate somewhat short sections of extensional, strike-slip and united deformity. The predominant intermingling is obliged by shortening and inspire across a 250-350 far reaching band of northern New Guinea, as well as by sluggish toward the south coming close to subduction of the Pacific plate north of New Guinea at the New Guinea channel. Here, the Australia-Pacific plate relative speed is around 110 mm/yr towards the upper east, prompting the 2-8 mm/yr inspire of the New Guinea High countries.

While the northern band of distortion is moderately diffuse east of the Indonesia-Papua New Guinea line, in western New Guinea there are no less than two little (<100,000 km²) blocks of somewhat undeformed lithosphere. The westernmost of these is the Birds Head Promontory microplate in Indonesia's West Papua region, limited on the south by the Seram channel. The Seram channel was initially deciphered as an outrageous twist in the Sunda subduction zone, yet is currently remembered to address a toward the south coming close to subduction zone between Birds Head and the Banda Ocean.

There have been 22 M7.5+ seismic tremors kept in the New Guinea area starting around 1900. The predominant seismic tremor instruments are pushed and strike slip, related with the bend landmass crash and the general movements between various neighborhood microplates. The biggest quake in the locale was a M8.2 shallow pushed shortcoming occasion in the northern Papua territory of Indonesia that killed 166 individuals in 1996.

The western part of the northern Australia plate limit broadens around 4800 km from New Guinea to Sumatra and fundamentally isolates Australia from the Eurasia plate, including the Sunda block. This piece is overwhelmingly focalized and incorporates subduction at the Sunda (Java) channel, and a youthful bend mainland crash.

In the east, this limit stretches out from the Kai Islands to Sumba along the Timor box, offset from the Sunda channel by 250 km south of Sumba. As opposed to before structural models in which this box was deciphered as a subduction highlight consistent with the Sunda subduction zone, it is currently remembered to address a dying down deformational element connected with the crash of the Australia plate mainland edge and the volcanic circular segment of the Eurasia plate, starting in the last 5-8 Myr. Before impact started, the Sunda subduction zone stretched out toward the east to basically the Kai Islands, proved by the presence of a toward the north plunging zone of seismicity underneath Timor Leste. A more point by point assessment of the seismic zone along it's eastern fragment uncovers a hole in moderate profundity seismicity under Timor and seismic systems that demonstrate a toward the east proliferating tear in the slipping piece as the adversely light maritime lithosphere disconnects from emphatically light mainland lithosphere. By all accounts, GPS estimations demonstrate that the district around Timor is presently not generally associated with the Eurasia plate, however rather is moving at almost a similar speed as the Australia plate, one more result of impact.

Huge tremors in eastern Indonesia happen much of the time yet interplate megathrust occasions connected with subduction are uncommon; this is probable because of the separation of the sliding maritime chunk from the mainland edge. There have been 9 M7.5+ tremors recorded from the Kai Islands to Sumba starting around 1900. The biggest was the incomparable Banda Ocean tremor of 1938 (M8.5) a middle profundity push blaming occasion that didn't cause critical death toll.