4.5

M4.5 Earthquake 116 km SSE of Kirakira, Solomon IslandsFebruary 21, 2026

2026-02-21 18:59:33 UTC (2026-02-21) · approx. 5:59 AM UTC+11 local

MagnitudeM4.5(mb)
Time18:59 UTC5:59 AM UTC+11
Depth10.0 kmshallow crustal
Coordinates-11.370°, 162.446°
Felt byNo felt reports
Status✓ Reviewed by USGS

On February 21, 2026 at 18:59 UTC, a magnitude 4.5 shallow crustal earthquake struck 116 km SSE of Kirakira, Solomon Islands, at a depth of 10.0 km and coordinates -11.3695°, 162.4464°. This earthquake was detected by 22 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.

Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at -11.37°, 162.45°

Earthquake Details

Magnitude
4.5 mb
Depth
10.0 km
shallow crustal
Location
-11.3695°N
162.4464°E

Technical Information

Event ID
us7000s2jz
Event Type
earthquake
Status
✓ Reviewed
Significance
312
Stations Used
22
Azimuthal Gap
65.0°
Min Station Distance
3.118°
RMS Residual
0.55 sec
Last Updated
2026-05-12 17:28:06 UTC

Common Questions

How strong was the magnitude 4.5 earthquake near Kirakira, Solomon Islands?

The magnitude 4.5 earthquake that struck 116 km SSE of Kirakira, Solomon Islands on February 21, 2026 at 18:59 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.

Where did the earthquake occur?

The earthquake epicenter was located at -11.3695°, 162.4464°, which is 116 km SSE of Kirakira, Solomon Islands.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days 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: us7000s2jz). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, February 21, 2026). M4.5 Earthquake 116 km SSE of Kirakira, Solomon IslandsFebruary 21, 2026. Retrieved May 18, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000s2jz/