M 5.3 Earthquake Strikes 25 km NW of Kupang, Indonesia

Source: USGS · Indonesia

Areazine synthesizes this Geoscience Australia earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.

A magnitude 5.3 mb earthquake occurred 25 km northwest of Kupang, Indonesia, at a depth of 10 km.

What this Geoscience Australia earthquake report tells you, and what most readers miss

This notice was issued by USGS on August 7, 2026 and geographically references Indonesia. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Earthquakes - determines the monitoring protocol behind it, which shapes what follow-up action (checking for structural damage, watching for aftershocks, reviewing local building codes) is relevant and which agency holds authority over the assessment.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.

Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are earthquake, seismic, usgs, Indonesia.

What Happened

A M 5.3 mb earthquake struck 25 km NW of Kupang, Indonesia at 2026-07-26 12:17:37 UTC. The event was reviewed by the USGS and had a depth of 10 km.

Location Details

The earthquake was located at coordinates latitude -10.007, longitude 123.4402. A depth of 10 km is considered shallow (less than 20 km).

Impact Assessment

No felt reports, tsunami advisory, or alert level information is available in the source data. The tsunami flag is recorded as 0.

What You Should Know

Earthquakes of this magnitude (M 5.0-5.9) are classified as moderate and can cause damage to poorly constructed buildings. Aftershocks are possible following any earthquake.

Source

USGS Event Page

Original source: USGS Official Notice ↗

All Earthquakes →

Frequently Asked Questions

Common questions about this Geoscience Australia earthquake report.

What is this Geoscience Australia earthquake report about?
A magnitude 5.3 mb earthquake occurred 25 km northwest of Kupang, Indonesia, at a depth of 10 km.
Which agency issued this alert?
This alert was issued by USGS. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Indonesia. Check with USGS for the most current geographic scope.
Where can I find more Earthquakes updates?
Browse the full Earthquakes feed on Areazine at areazine.com/au/earthquakes/ for the latest updates from USGS and other agencies.