M3.5 Earthquake – REGION METROPOLITANA, CHILE
A minor magnitude 3.5 earthquake struck near REGION METROPOLITANA, CHILE at a depth of 71.4 km (intermediate focal zone), releasing seismic energy equivalent to approximately 3 tons of TNT. Here is the verified EMSC telemetry, interactive epicenter map, and ground shaking assessment.
Seismic Telemetry Specifications
3.5ML
Minor Seismic Class
71.4km
Upper Mantle
33.689° S, 70.493° W
GPS Coordinates
3 tons
TNT Equivalent Power
EMSC
USGS Real-time Feed
Epicenter Location & Tectonic Fault Map
Is This Earthquake Dangerous?
A magnitude 3.5 event is classified as a minor earthquake. Often felt by people indoors, especially on upper floors. Hanging objects may swing slightly; structural damage is extremely rare.
Estimated Shaking Across Nearby Communities
Felt only by a few persons at rest, especially on upper floors.
Felt by almost no one except under extraordinarily favorable conditions.
Did You Feel This Earthquake?
Help seismologists and community members map real-world ground shaking near Chile.
Your immediate response verifies shaking boundaries and helps ground-truth instrumental models.
What Does Magnitude 3.5 Mean?
Earthquake strength is measured on a logarithmic scale. Compare this event with the full seismic scale:
Logarithmic Energy Multiplier
Because seismic scales are logarithmic, each whole integer increase represents:
Why Did This Earthquake Happen?
This event occurred along the Peru-Chile (Andean) Subduction Zone, where the dense oceanic Nazca Plate slides eastward and plunges underneath the continental South American Plate at roughly 6 to 8 centimeters per year. This megathrust boundary is one of the most seismically active fault zones on Earth.
Originating at a depth of 71.4 km (Upper Mantle / Wadati-Benioff Zone (70–300 km)), this rupture occurred originated within the descending oceanic plate inside the upper mantle. shaking radiates over a wider geographic area with attenuated high frequencies.
Aftershock Outlook & Secondary Tremors
Seismologists note that minor aftershocks remain common in the 24 to 48 hours following tremors of magnitude 3.5. According to statistical seismic models, there is roughly a 5% probability of a subsequent event of equal or greater strength occurring in the same fault zone. Residents in Chile are advised to check living spaces for unsecured items.
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Earthquake Safety Action Plan
Complete Safety Guide →- •Drop, Cover, and Hold On: Take cover beneath a sturdy table or desk.
- •Stay indoors away from exterior glass windows and heavy unanchored fixtures.
- •If outdoors, move into an open area away from power lines and building facades.
- •Inspect utilities for damaged gas lines, water leaks, or electrical hazards.
- •Expect Aftershocks: Secondary tremors frequently strike after significant events.
- •Avoid damaged structures and listen to official emergency broadcasts.
- •Maintain a 72-hour emergency go-bag with water, food, and first aid.
- •Anchor heavy furniture, water heaters, and appliances to structural studs.
- •Establish a family emergency communication protocol and meeting point.
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