5.0

M5.0 Earthquake 87 km WNW of Kirakira, Solomon IslandsAugust 1, 2023

2023-08-01 09:39:38 UTC (2023-08-01) · approx. 8:39 PM UTC+11 local

MagnitudeM5.0(mww)
Time09:39 UTC8:39 PM UTC+11
Depth108.6 kmintermediate depth
Coordinates-10.153°, 161.186°
Felt byNo felt reports
Status✓ Reviewed by USGS

On August 1, 2023 at 09:39 UTC, a magnitude 5.0 intermediate depth earthquake struck 87 km WNW of Kirakira, Solomon Islands, at a depth of 108.6 km and coordinates -10.1535°, 161.1860°. This earthquake was detected by 136 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 385, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 5.0 releases seismic energy equivalent to roughly 477 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.7 km — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -10.15°, 161.19°

Earthquake Details

Magnitude
5.0 mww
Depth
108.6 km
intermediate depth
Location
-10.1535°N
161.1860°E

Technical Information

Event ID
us6000kx0n
Event Type
earthquake
Status
✓ Reviewed
Significance
385
Stations Used
136
Azimuthal Gap
74.0°
Min Station Distance
1.412°
RMS Residual
0.53 sec
Last Updated
2023-10-07 21:38:55 UTC

Common Questions

How strong was the magnitude 5.0 earthquake near Kirakira, Solomon Islands?

The magnitude 5.0 earthquake that struck 87 km WNW of Kirakira, Solomon Islands on August 1, 2023 at 09:39 UTC had a depth of 108.6 km. For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at -10.1535°, 161.1860°, which is 87 km WNW of Kirakira, Solomon Islands.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.0 earthquakes can continue for days to weeks and gradually diminish over time.

Authoritative source: USGS event page (event ID: us6000kx0n). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2023, August 1, 2023). M5.0 Earthquake 87 km WNW of Kirakira, Solomon IslandsAugust 1, 2023. Retrieved October 7, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000kx0n/