In the Solomon Sea 147 kilometer from Arawa, Papua New Guinea, a significant Magnitude 5.2 earthquake occurred deep in the night of Friday November 8th, 2024.
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Earthquake Summary
This earthquake hit under water in the Solomon Sea, 40 kilometers (25 mi) off the coast of Papua New Guinea, 147 kilometer west-northwest of Arawa in Bougainville. The center of this earthquake had an intermediate depth of 97 km.
| Date and Time: | Nov 8, 2024 03:42 (Bougainville Time) - Nov 7, 2024 16:42 Universal Time. |
|---|---|
| Location: | 147 km WNW of Arawa, Bougainville, Papua New Guinea. Coordinates 5°41'24"S 154°21'10"E. |
| Map: |  Map of area around epicenter. Click to open in Google Maps. |
| Magnitude: | MAG 5.2 Detected by 19 stations. Maximum Error Range ±0.071 . |
| Depth: | 97 km (60 mi) An intermediate depth. |
| Tsunami Risk: | Low tsunami risk Earthquakes under MAG-6.5 do not usually cause tsunami's. Always stay cautious - More info here. |
Nearby towns and cities
This earthquake may have been felt in Papua New Guinea . The closest significant population center near the earthquake is Arawa in Bougainville, Papua New Guinea. Arawa is located 147 kilometer (91 mi) west-northwest of the epicenter.
Overview of nearby places
| Distance | Place |
|---|---|
| 147 km (91 mi) ESE from epicenter |
Arawa Bougainville, Papua New Guinea. |
| 275 km (171 mi) WNW from epicenter |
Kokopo East New Britain, Papua New Guinea. |
Aftershocks detected
After this earthquake struck, 1 smaller aftershock occurred. At a distance of 8 km (5 mi) south-southwest of this earthquake, an aftershock struck 25 mins later. It measured a magnitude of 4.5
Overview of foreshocks and aftershocks
| Classification | Magnitude | When | Where |
|---|---|---|---|
| Main Shock This Earthquake |
M 5.2 |
Nov 8, 2024 03:42 (Bougainville Time) | - |
| Aftershock | M 4.5 |
25 mins later Nov 8, 2024 04:07 (Bougainville Time) | 8 km (5 mi) SSW from Main Shock. |
More earthquakes coming?
Earthquakes can create aftershocks. These are generally at least 1 magnitude lower than any main shock, and as time passes the chance and strength of aftershocks decreases.
The chance that a significant earthquake like this one is followed by an even larger earthquake is not so large. On average, scientists estimate a 94% chance that a major earthquake will not be followed by an even larger one. It is still adviced to be aware of this risk
Read: How to Stay Safe during an Earthquake (cdc.gov).Earthquakes like this happen often in the region
Earthquakes of this strength are very common in the region. This is the strongest earthquake to hit since November 6th, 2024, when a 5.9 magnitude earthquake hit 153 km (95 mi) further northwest. An even stronger magnitude 7.9 earthquake struck on January 22nd, 2017.
In total, 184 earthquakes with a magnitude of 5.2 or higher have been registered within 300km (186 mi) of this epicenter in the past 10 years. This comes down to an average of once every 20 days.
Low tsunami risk
Based on early data it appears this earthquake was not strong enough (lower than MAG-6.5) to be likely to cause destructive tsunami's. However this earthquake appeared to have hit at a shallow depth under sea, so stay cautious and monitor advice from local authorities.
Tsunami Risk Factors
| Factor | Under Sea? | MAG-6.5 or stronger? | Shallow depth? |
|---|---|---|---|
| Explanation | Almost all tsunami's are caused by earthquakes with their epicenter under sea or very near the sea. However stay cautious in coastal areas as earthquakes on land may cause landslides into sea, potentially still causing a local tsunami. | Under MAG 6.5: Very unlikely to cause a tsunami. MAG 6.5 to 7.5: Destructive tsunami's do occur, but are uncommon. Likely to observe small sea level changes. MAG 7.6+: Earthquakes with these magnitudes might produce destructive tsunami's. |
Most destructive tsunami's are caused by shallow earthquakes with a depth between 0 and 100km under the surface of the earth. Deeper tsunami's are unlikely to displace to ocean floor. |
| This Earthquake | This earthquake appears to have struck under the sea. | Not this earthquake. This earthquake had a magnitude of 5.2. Earthquakes of this strength are unlikely to trigger a tsunami. |
This earthquake occurred at a depth of of 97 km (60 mi). Earthquakes this shallow could trigger a tsunami. |
Sources
Last updated 03/12/24 01:38 (). This article contains currently available information about the earthquake and is automatically composed. We continue to update this article up to a few days after the earthquake occurred.
- US Geographic Society (USGS): Earthquake us7000nqfp
- European-Mediterranean Seismological Centre (EMSC): Earthquake 20241107_0000186
- Geonames.org: World Cities Database
- Google Maps: Static API
- Earthquakelist.org: Historic Earthquakes Database
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