Earthquakes medium

M 5.0 Earthquake Strikes Izu Islands, Japan Region

Source: USGS · Izu Islands, Japan region

A magnitude 5.0 earthquake was recorded by USGS near Izu Islands, Japan region. On the USGS Earthquake Hazards Program scale, M5.0 is classified "Moderate". Among the 1,740 earthquake reports Areazine has published, this M5.0 event ranks stronger than 55% of them (rank #612 by magnitude).

30 seconds on this earthquake report

Magnitude
M 5.0
USGS class
Moderate
Location
Izu Islands, Japan region
Archive rank
#612 of 1,740
Source
USGS
Published
September 18, 2026
MODERATE

Out of 1,740 earthquake reports Areazine has logged, this one outranks 55% of them — 611 recorded a higher magnitude.

Record status: a point-in-time USGS detection. Aftershocks, revised magnitude, and felt-report data continue to update on USGS's own event page after publication.

What Happened

A magnitude 5.0 mww earthquake struck the Izu Islands, Japan region on 2026-09-18 at 12:39:28 UTC. The event was recorded at a depth of 35.294 km and was reviewed by USGS.

Location Details

The earthquake was located at 32.243°N, 141.5763°E in the Izu Islands, Japan region. The depth of 35.294 km places it in the intermediate range (20-70 km).

Impact Assessment

No felt reports were recorded. There was no tsunami advisory (tsunami flag: 0) and no alert level was issued.

What You Should Know

Earthquakes of this magnitude are classified as moderate and can cause damage to poorly constructed buildings. Aftershocks are possible following any earthquake.

Source

https://earthquake.usgs.gov/earthquakes/eventpage/us7000ti89 - USGS

Original source: USGS Official Notice ↗

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Frequently Asked Questions

Questions readers often have about this USGS earthquake report.

How strong was this earthquake? ▾
A magnitude 5.0 mww earthquake occurred in the Izu Islands, Japan region at a depth of 35 km.
How should a magnitude 5.0 ("Moderate") event be understood? ▾
The USGS classifies M5.0 as "Moderate" on its Earthquake Hazards Program scale. Events in this range are often felt near the epicenter and can cause minor damage to vulnerable structures, though widespread damage is uncommon.
How does this compare with other earthquakes Areazine has reported? ▾
This is the #612 strongest of the 1,740 earthquake reports in Areazine's archive by magnitude, stronger than 55% of them and weaker than 611 others.
Was Izu Islands, Japan region likely to feel this earthquake? ▾
Whether an earthquake is felt depends on its depth, distance from population centers, and local geology, not magnitude alone. Check the USGS "Did You Feel It?" report for this event for real felt-shaking data.

Primary source data

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