M 5.4 Moderate Earthquake Strikes South of Panama
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 5.4 earthquake occurred south of Panama on March 18, 2026. The shallow seismic event was recorded at a depth of 10 kilometers by the USGS.
What this USGS earthquake report tells you, and what most readers miss
This notice was issued by USGS on April 4, 2026 and geographically references South of Panama. 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, Panama.
What Happened
A moderate earthquake with a magnitude of 5.4 (mww) occurred south of Panama on March 18, 2026. The seismic event was recorded at 11:36:45 UTC (approximately 6:36 AM local time). According to the U.S. Geological Survey (USGS), the earthquake originated at a shallow depth of 10 kilometers.
Location Details
The earthquake was centered at coordinates 4.9769°N and 82.5755°W, a region located in the waters south of Panama. The depth of 10 kilometers is classified as shallow. Shallow earthquakes—those occurring at depths of less than 20 kilometers—are typically felt more intensely at the surface than deeper events of the same magnitude because the energy is released closer to the surface.
Impact Assessment
Based on the current data from the USGS, there is no tsunami advisory, watch, or warning in effect (tsunami status: 0). The event has been officially reviewed by seismologists. While the source data does not include specific felt reports or a PAGER alert level, earthquakes of this magnitude are generally noticeable over a wide area.
What You Should Know
A magnitude 5.4 event is classified as a "moderate earthquake." According to standard seismic context, moderate earthquakes can cause damage to poorly constructed buildings but usually result in little to no damage to well-built structures. Residents in the surrounding region should be aware of the potential for aftershocks, which are common following an event of this size.
Source
Information provided by the USGS Earthquake Hazards Program.
Original source: USGS Official Notice ↗
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