Gempa bumi sebesar 7,1 [[gempa{{M|w|link=y}}, bumi]]gempa berlokasi {{Cvt|38,3|km|mi}} timur-tenggara [[Ambunti]] di [[Provinsi Sepik Timur]], [[Papua Nugini]] pada 3 April 2023.<ref name="gcmt">{{Cite web |date=2 April 2023 |title=Global CMT Catalog Search |url=https://www.globalcmt.org/cgi-bin/globalcmt-cgi-bin/CMT5/form?itype=ymd&yr=2023&mo=4&day=2&oyr=2023&omo=4&oday=3&jyr=1976&jday=1&ojyr=1976&ojday=1&otype=nd&nday=1&lmw=7&umw=10&lms=0&ums=10&lmb=0&umb=10&llat=-90&ulat=90&llon=-180&ulon=180&lhd=0&uhd=1000<s=-9999&uts=9999&lpe1=0&upe1=90&lpe2=0&upe2=90&list=0 |access-date=6 February 2023 |publisher=Global Centroid Moment Tensor |archive-date=2023-04-04 |archive-url=https://web.archive.org/web/20230404112042/https://www.globalcmt.org/cgi-bin/globalcmt-cgi-bin/CMT5/form?itype=ymd&yr=2023&mo=4&day=2&oyr=2023&omo=4&oday=3&jyr=1976&jday=1&ojyr=1976&ojday=1&otype=nd&nday=1&lmw=7&umw=10&lms=0&ums=10&lmb=0&umb=10&llat=-90&ulat=90&llon=-180&ulon=180&lhd=0&uhd=1000<s=-9999&uts=9999&lpe1=0&upe1=90&lpe2=0&upe2=90&list=0 |dead-url=no }}</ref><ref name="USGS">{{Cite web|title=M 7.0 - New Guinea, Papua New Guinea|url=https://earthquake.usgs.gov/earthquakes/eventpage/us6000k1id/executive|publisher=[[United States Geological Survey]]|date=2 April 2023|access-date=4 April 2023|archive-date=2023-05-19|archive-url=https://web.archive.org/web/20230519022814/http://earthquake.usgs.gov/earthquakes/eventpage/us6000k1id/executive|dead-url=no}} {{PD notice}}</ref> sementara GEOSCOPE melaporkan gempa sebesar {{M|w}} 7.2 pada kedalaman {{Cvt|39|km|mi}},<ref name="GEOSCOPE">{{Cite web|date=2 April 2023|title=NEW GUINEA, PAPUA NEW GUINEA 2023/04/02 18:04:10 UTC, Mw=7.2|url=http://geoscope.ipgp.fr/index.php/en/catalog/earthquake-description?seis=us6000k1id|access-date=4 April 2023|publisher=GEOSCOPE Observatory|archive-date=2023-04-04|archive-url=https://web.archive.org/web/20230404231442/http://geoscope.ipgp.fr/index.php/en/catalog/earthquake-description?seis=us6000k1id|dead-url=no}}</ref>
== Gempa bumi ==
Gempa tersebut memiliki mekanisme fokus yang berhubungan dengan sesar [[Sesar (geologi)|dip-slip]]. [[Survei Geologi Amerika Serikat]] melaporkan bahwa gempa berkekuatan {{M|w|link=y}} 7,0 sedangkan GEOSCOPE melaporkan gempa berkekuatan {{M|w|link=y}} 7.2 di kedalaman 39 km (24 mil), sedangkan GCMT melaporkan peristiwa tersebut berkekuatan 7.1. Menurut PAGER, gempa bumi tersebut menyebabkan guncangan yang merusak dengan intensitas V-VII (Sedang-Sangat Kuat) di kota [[Ambunti]], [[Angoram]], Wewak, [[Aitape]], Porgera dan Wabag, sehingga total populasinya berjumlah sekitar 1,12 juta jiwa. Getaran ringan juga dirasakan di negara tetangga [[Indonesia]], dengan intensitas III (Lemah) dirasakan di [[Keerom]] dan [[Jayapura]], serta II-III (Lemah) di [[Nabire]] dan [[Merauke]].
