M5.3 Earthquake 42 km W of Kirakira, Solomon Islands — October 19, 2025
2025-10-19 17:14:20 UTC (2025-10-19) · approx. 4:14 AM UTC+11 local
On October 19, 2025 at 17:14 UTC, a magnitude 5.3 intermediate depth earthquake struck 42 km W of Kirakira, Solomon Islands, at a depth of 92.3 km and coordinates -10.5108°, 161.5359°. This earthquake was detected by 81 seismic stations with good location accuracy and was assigned a USGS significance rating of 432, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.3 releases seismic energy equivalent to roughly 1 kilotons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.7 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
161.5359°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 5.3 earthquake near Kirakira, Solomon Islands?
The magnitude 5.3 earthquake that struck 42 km W of Kirakira, Solomon Islands on October 19, 2025 at 17:14 UTC had a depth of 92.3 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at -10.5108°, 161.5359°, which is 42 km W of Kirakira, Solomon Islands.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.3 earthquakes can continue for days to weeks and gradually diminish over time.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Authoritative source: USGS event page (event ID: us6000ri6i). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, October 19, 2025). M5.3 Earthquake 42 km W of Kirakira, Solomon Islands — October 19, 2025. Retrieved May 27, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000ri6i/