  | |
| UTC time | 2017-01-22 04:30:22 |
|---|---|
| ISC event | 611831635 |
| USGS-ANSS | ComCat |
| Local date | 22 January 2017 |
| Local time | 15:30:22 BST |
| Magnitude | 7.9 Mw |
| Depth | 135 km (84 mi) |
| Epicenter | 6°14′46″S155°10′19″E / 6.246°S 155.172°E |
| Areas affected | Papua New Guinea Solomon Islands |
| Max. intensity | MMI IX (Violent) [1] |
| Casualties | 5 dead, 17 injured |
The 2017 Papua New Guinea earthquake was an Mww 7.9 earthquake that struck at 04:30 UTC on 22 January 2017. [2] [3]
Damage occurred in Arawa and parts of central Bougainville, while a power outage occurred in Buka. [4]
Two children were killed and another was injured from a landslide, and a 7-year-old girl died after she was hit by falling rocks. [5] Another landslide killed two teenagers as well. [6] Fifteen children were injured by falling trees and rocks, [6] while two men were slightly injured by a landslide in Panguna. [7]
The 2000 New Ireland earthquakes occurred off the coast of New Ireland Province, Papua New Guinea on November 16 and 17.
Severe Tropical Cyclone Ita was the strongest tropical cyclone in the Australian region by central pressure since George in 2007, and by wind speed since Monica in 2006. The system was first identified over the Solomon Islands as a tropical low on 1 April 2014, and gradually moved westward, eventually reaching cyclone intensity on 5 April. On 10 April, Ita intensified rapidly into a powerful Category 5 system on the Australian Scale, but it weakened to a Category 4 system in the hours immediately preceding landfall the following day. At the time of landfall at Cape Flattery at 12 April 22:00 (UTC+10), the cyclone's Dvorak intensity was approximately T5.0, consistent with a weak Category 4 system, and considerably lower than the T6.5 observed when the system was at its peak intensity. Meteorologists noted the system had, at that time, begun an eyewall replacement cycle; as a result, the system was considerably less powerful than various intensity scales had predicted. As a result, Ita's impact on terrain was lessened.
The Papua New Guinea earthquake was a magnitude 7.5 earthquake that occurred in the Hela Province of Papua New Guinea on 26 February 2018, at 3:44 a.m. local time. The earthquake's epicenter was 10 kilometres (6.2 mi) west of the town of Komo. The maximum felt intensity was IX (Violent) on the Mercalli intensity scale. A total of 160 people were killed and many others were injured. An aftershock of M6.0 killed 11 people on 4 March, while another aftershock of M6.7 occurred at 00:13 local time on 7 March, killing at least 25 more. A 6.3 aftershock killed another 4 people on 7 April, more than a month after the first tremors hit the area.
On 9 December 2016 at 4:38 a.m. local time, the Solomon Islands region was rocked by an Mww 7.8 earthquake, centred 30 km off San Cristobal Island, about 61 km southwest of Kirakira, the capital of Makira-Ulawa Province. Initially registering magnitude 8.0, later downgraded to 7.8, the temblor prompted tsunami warnings that kept countries surrounding the Coral, Tasman and Solomon Sea on high alert, but was later cancelled. A large aftershock of magnitude 6.9 occurred shortly afterwards. This earthquake was largely felt, waking many residents who later ran to high ground for fears of a potential tsunami. The earthquake killed a child and affected some 34,000 people in Makira, South Malaita and Guadalcanal Island where many had lost their homes or had no access to basic needs. Earthquakes are common in this region, with little or no fatalities. This earthquake is tied with three other magnitude 7.8 earthquakes for the second largest earthquake of 2016. On 17 December, Solomon Islands would be rattled again by a 7.9 magnitude earthquake, this time 54 km east of Taron, Papua New Guinea.
The 1993 Finisterre Range earthquakes began on October 13 with a Mw 6.9 mainshock, followed by Mw 6.5 and 6.7 earthquakes. These earthquakes struck beneath the Finisterre Range, north of Markham Valley in Morobe Province, Papua New Guinea. The complex earthquake sequence seriously damaged many villages in the rural Eastern Papua New Guinea region, generating landslides and killing at least 60 people.
On 11 September 2022, an earthquake of moment magnitude 7.6–7.7 struck Papua New Guinea, in the northern part of Morobe Province. The normal faulting earthquake occurred with a hypocenter depth of 116.0 km (72.1 mi) beneath the Finisterre Range. A maximum perceived Modified Mercalli intensity of VIII (Severe) was estimated. Shaking was widely felt across the country and even in neighbouring Indonesia. At least 21 people died and 42 were injured, mostly due to landslides.
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