5.7

M5.7 Earthquake near Solomon IslandsNovember 25, 2022

2022-11-25 13:46:54 UTC (2022-11-25) · approx. 12:46 AM UTC+11 local

Felt by 3 people across nearby locations. Maximum shaking intensity MMI 6.0 (very strong).

MagnitudeM5.7(mww)
Time13:46 UTC12:46 AM UTC+11
Depth25.0 kmshallow crustal
Coordinates-9.831°, 159.796°
Felt by3DYFI responses· max MMI 6.0
Status✓ Reviewed by USGS· green PAGER
green Alertno significant casualties or damage expected

On November 25, 2022 at 13:46 UTC, a magnitude 5.7 shallow crustal earthquake struck near Solomon Islands, at a depth of 25.0 km and coordinates -9.8314°, 159.7962°. The earthquake was reported felt by 3 peopleacross nearby locations, with a maximum shaking intensity of Modified Mercalli Intensity (MMI) 6.0 (very strong). The USGS PAGER system issued a green alert level for this event, indicating no significant casualties or damage expected. This earthquake was detected by 103 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 501, placing it among routine seismic activity. The nearest populated place is Taro'a (population 507).

Physical scale: An earthquake of magnitude 5.7 releases seismic energy equivalent to roughly 5 kilotons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 5.2 km — a useful intuition for the size of the slip patch on the fault.

Nearest Populated Places

Taro'apop. 507
MMI 3.1 (light)
Tulaghipop. 1,750
MMI 3.8 (light)
Bualapop. 2,700
MMI 2.9 (weak)
Aukipop. 6,811
MMI 3.3 (light)
Honiarapop. 56,298
MMI 4.4 (moderate)
Map showing earthquake epicenter at -9.83°, 159.80°

ShakeMap — predicted shaking intensity

Modeled ground-motion intensity contoured on the Modified Mercalli scale (MMI). Computed by the USGS from the moment-tensor solution and regional ground-motion prediction equations.

USGS ShakeMap intensity contours for the M5.7 earthquake near Solomon Islands

Source: U.S. Geological Survey ShakeMap. View interactive ShakeMap on USGS

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 3 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M5.7 earthquake near Solomon Islands

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Population exposure (USGS PAGER)

Estimated population that experienced each level of shaking. Based on the USGS PAGER rapid impact assessment, which combines ShakeMap output with global population grids.

Shaking intensity (MMI)DescriptionPopulation exposed
MMI 3weak214,081
MMI 4light219,056
MMI 5moderate62,007
MMI 6strong4,553

Earthquake Details

Magnitude
5.7 mww
Depth
25.0 km
shallow crustal
Location
-9.8314°N
159.7962°E
Felt Reports
3
DYFI responses
Intensity (MMI)
6.0
very strong
Community Intensity
5.2
CDI from reports

Technical Information

Event ID
us7000isb7
Event Type
earthquake
Status
✓ Reviewed
Significance
501
Stations Used
103
Azimuthal Gap
32.0°
Min Station Distance
0.418°
RMS Residual
0.58 sec
Last Updated
2023-01-30 06:01:47 UTC

Common Questions

How strong was the magnitude 5.7 earthquake near Solomon Islands?

The magnitude 5.7 earthquake that struck near Solomon Islands on November 25, 2022 at 13:46 UTC had a depth of 25.0 km. It was felt by 3 people with maximum shaking intensity of MMI 6.0 (very strong). For context, this was a moderate earthquake that could be widely felt.

Where did the earthquake occur?

The earthquake epicenter was located at -9.8314°, 159.7962°, which is near Solomon Islands. The nearest populated place is Taro'a (population 507).

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.7 earthquakes can continue for days to weeks and gradually diminish over time.

Authoritative source: USGS event page (event ID: us7000isb7). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2022, November 25, 2022). M5.7 Earthquake near Solomon IslandsNovember 25, 2022. Retrieved January 30, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000isb7/