Magnitude 5.0 Earthquake Recorded South of Kawalu, Indonesia

Source: USGS · Indonesia

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A moderate 5.0 magnitude earthquake struck off the coast of Indonesia on Wednesday, February 11, 2026. The tremor occurred at a depth of 83.7 kilometers.

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

This notice was issued by USGS on February 18, 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 regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly USGS detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized USGS earthquake report is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (earthquake, seismic, usgs, Indonesia) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

What Happened

A moderate earthquake with a magnitude of 5.0 mb occurred on February 11, 2026, at 18:00:52 UTC. The seismic event was centered approximately 101 kilometers south of Kawalu, Indonesia. The event has been reviewed by seismologists at the USGS.

Location Details

The earthquake's epicenter was located at coordinates -8.2889 latitude and 108.1016 longitude. The event originated at a depth of 83.7 kilometers. In geological terms, this is classified as a deep earthquake, as it occurred more than 70 kilometers below the surface. Deep earthquakes typically cause less intense shaking at the surface than shallow events of the same magnitude.

Impact Assessment

According to the United States Geological Survey (USGS), there is no tsunami advisory, watch, or warning in effect following this event. No felt reports have been submitted to the USGS at this time, and no specific alert level color has been assigned to this event in the source data.

What You Should Know

A magnitude 5.0 earthquake is classified as a "moderate earthquake." While these events are strong enough to be felt and can cause damage to poorly constructed buildings, they rarely cause significant structural harm to well-built facilities. Residents in the region should remain aware that aftershocks are possible following seismic activity. In the event of further shaking, safety officials recommend that you drop, cover, and hold on.

Source

Information for this report was provided by the USGS Earthquake Hazards Program.

Original source: USGS Official Notice ↗

All Earthquakes →

Frequently Asked Questions

Common questions about this USGS earthquake report.

What is this USGS earthquake report about?
A moderate 5.0 magnitude earthquake struck off the coast of Indonesia on Wednesday, February 11, 2026. The tremor occurred at a depth of 83.7 kilometers.
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/earthquakes/ for the latest updates from USGS and other agencies.