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Home›Mapping data›Earthquake Info: Moderate Mag. 5.2 Earthquake

Earthquake Info: Moderate Mag. 5.2 Earthquake

By Lewis Dunn
April 26, 2022
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Moderate magnitude earthquake 5.2 at 120 km depth

April 26 19:16 UTC: First to report: RaspberryShake after 8 minutes.
April 26 7:20 PM: Magnitude recalculated from 5.0 to 5.1. Depth of hypocenter recalculated from 155.5 to 126.7 km (from 97 to 79 mi). Corrected epicenter location of 30 km (19 mi) towards SSW.
April 26 7:24 PM: Magnitude recalculated from 5.1 to 5.3. Depth of hypocenter recalculated from 126.7 to 123.0 km (from 79 to 76 mi). Epicenter location corrected 2.7 km (1.7 mi) to N.
April 26 7:28 PM: Now uses USGS data updates

Updated Tue 26 April 2022, 19:24

Moderate but deep earthquake of magnitude 5.1 22 km northwest of Ambunti, Papua New Guinea

5.1 earthquake April 27 05:08 (GMT +10)

5.1 earthquake April 27 05:08 (GMT +10)

The RaspberryShake Citizen Seismograph Network reported a magnitude 5.1 earthquake in Papua New Guinea near Ambunti, Ambunti-Dreikikir, East Sepik Province, just 16 minutes ago. The earthquake struck early in the morning of Wednesday, April 27, 2022 at 5:08 a.m. local time at an intermediate depth of 126.7 km. The exact magnitude, epicenter and depth of the quake could be revised in the coming hours or minutes as seismologists review the data and refine their calculations, or as other agencies release their report.
Our monitoring service identified a second report from the Euro-Mediterranean Seismological Center (EMSC) which listed the quake at magnitude 5.3. Other agencies reported the same earthquake, including the German Geoscience Research Center (GFZ) at magnitude 5.3 and the National Seismic Monitoring Network (RéNaSS) at magnitude 5.4 in France.
Based on preliminary seismic data, the quake should not have caused significant damage, but was likely felt by many people as a slight vibration in the epicenter area.
Weak tremors could have been felt at Ambunti (pop. 2,100) located 22 km from the epicenter.
Other towns near the epicenter where the quake could have been felt as a very weak tremor include Aitape (pop. 5,500) located 111 km from the epicenter, Wewak (pop. 18,200) 121 km away and Wewak (pop. 18,200) 121 kilometers away.
VolcanoDiscovery will automatically update the magnitude and depth if these change and will follow up if other major earthquake news becomes available. If you are in the area, please let us know about your experience through our reporting mechanism, online or through our mobile app. This will help us provide more first-hand updates to anyone around the world who wants to learn more about this earthquake.

If you were or are still in this area during the earthquake help others with your comments and report it here.

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Seismic data

I felt this tremor

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Date hour : April 26, 2022 7:08:19 PM UTC –
Local time at epicenter: Wednesday April 27, 2022 at 05:08 (GMT +10)
Magnitude: 5.2
Depth: 120.1 km

Latitude / longitude of the epicenter: 4.013°S / 142.6293°E (East Sepik Province, Papua New Guinea)
Antipode: 4.013°N / 37.371°W
Closest volcano: Doma Peaks (218 km / 135 mi)

Nearby towns and villages:
31 km (19 mi) northwest of Ambunti (East Sepik) (pop: 2,070) –> See nearby earthquakes!
102 km (64 mi) SSE of Aitape (Sandaun) (pop: 5,550) –> See nearby earthquakes!
123 km (76 mi) WSW of Wewak (East Sepik) (pop: 18,200) –> See nearby earthquakes!
263 km (164 mi) NNW of Mendi (southern highlands) (pop: 26,300) –> See nearby earthquakes!
269 ​​km (167 mi) SE of Jayapura (Papua, Indonesia) (pop: 134,900) –> See nearby earthquakes!
271 km (169 mi) northwest of Hagen (Dei District, Western Highlands) (pop: 33,600) –> See nearby earthquakes!
272 km (169 mi) SE of Abepura (Papua, Indonesia) (pop: 62,200) –> See nearby earthquakes!
375 km (233 mi) WNW of madang (pop: 27,400) –> See nearby earthquakes!
787 km (489 mi) northwest of Puerto Moresby (National Capital District) (pop: 283,700) –> See nearby earthquakes!

Weather at the epicenter at the time of the earthquake:
Overcast clouds ?w=75&resize=75 75w, data:image/svg xml,?w=100&resize=100 100w, data:image/svg xml,?w=150&resize=150 150w, data:image/svg xml,?w=240&resize=240 240w, data:image/svg xml,?w=320&resize=320 320w, data:image/svg xml,?w=500&resize=500 500w, data:image/svg xml,?w=640&resize=640 640w, data:image/svg xml,?w=800&resize=800 800w, data:image/svg xml,?w=1024&resize=1024 1024w, data:image/svg xml,?w=1280&resize=1280 1280w, data:image/svg xml,?w=1600&resize=1600 1600w" data-src="data:image/svg xml," style="width:20px height:20px;vertical-align:middle" class="ezlazyload" data-ezsrc="https://openweathermap.org/img/w/04n.png" height="50" width="50"/> 22.2°C (72 F), humidity: 99%, wind: 1 m/s (2 kts) from ENE

Main data source: USGS (United States Geological Survey)

Estimated energy released: 4×1012 joules (1.11 gigawatt hours, equivalent to 951 tonnes of TNT) | on seismic energy

If you felt this earthquake (or if you were near the epicenter), please share your experience and submit a short “I felt it” report! Other users would love to hear about it!
If you did NOT feel the tremor although you’re around, thank you for reporting it! Your input is valuable to earthquake science, earthquake hazard analysis, and mitigation efforts. You can use your device location or the map to show where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report the same earthquake and publish similar data, the more confidence you can have in the data. It normally takes up to a few hours for the seismic parameters to be calculated with near optimum accuracy.

Mag. Depth Location Source
5.2 120 kilometers 30 km on the northwest of Ambunti, Papua New Guinea USGS
5.4 10 kilometers Papua New Guinea: near Jayapura RENASS
5.1 131 kilometers New Guinea, Papua New Guinea GFZ
5.1 130 kilometers NEW GUINEA, PAPUA NEW GUINEA CSEM
5.3 123 kilometers New Guinea, Papua New Guinea RaspberryShake
5.2 128 kilometers New Guinea, Papua New Guinea GeoAu

replicas

[More info]

Based on its magnitude, the fault that was active during the earthquake ruptured over an area of ​​approx. 16 kilometers2 (= 6 square miles) as a first order estimate. The length of the rupture zone was therefore probably about 7 km (4 mi).
Aftershocks generally occur during the days and weeks following the earthquake at or near the same fault, at distances of up to approx. twice the length of the rupture zone.
The often largely linear arrangement of aftershock epicentres encompasses the main shock rupture zone (check on the map below to verify).

Recorded aftershocks, latest first (0 earthquakes) (up to now, frequently updated)

So far, no aftershocks have been recorded.

Previous earthquakes in the same area

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Click here to search our database for past earthquakes in the same area since 1900!

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