M 5.1 Earthquake Strikes 131 km SE of Bitung, Indonesia
Areazine synthesizes this USGS earthquake report directly from USGS's official public data feed. See our methodology for full source attribution and refresh cadence.
A magnitude 5.1 mb earthquake occurred 131 km southeast of Bitung, Indonesia, at a depth of 19.1 km.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on June 4, 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 5.1 mb earthquake struck 131 km SE of Bitung, Indonesia, on 2026-05-27 at 04:44:16 UTC. The event was recorded at coordinates 0.4707° N, 125.8106° E with a depth of 19.144 km. This depth classifies as shallow (less than 20 km).
Location Details
The earthquake was centered 131 km southeast of Bitung, Indonesia, at latitude 0.4707 and longitude 125.8106. The shallow depth of 19.144 km places the event in the upper crust.
Impact Assessment
No felt reports were recorded for this event. There is 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. Residents should follow standard safety procedures, including dropping, covering, and holding on during shaking.
Source
Data from USGS: https://earthquake.usgs.gov/earthquakes/eventpage/us7000sntr
Original source: USGS Official Notice ↗
Related Earthquakes
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Two Areazine-derived peer sets for this USGS earthquake report: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (981 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to June 4, 2026.
Frequently Asked Questions
Common questions about this USGS earthquake report.