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Lima Seismic Zone • 250 km Monitoring Radius

Real-Time Earthquakes in Lima, Peru

Live seismic telemetry, active fault rupture tracking, and ground motion hazard monitoring for the Lima metropolitan area.

TECTONIC SETTING:Central Peru Subduction Megathrust & Lima Forearc Wedge
METRO POPULATION:10.0 Million
OBSERVATORY:IGP →

LIMA EVENTS (250 KM)

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NEAREST ACTIVE FAULT

Central Peru Megathrust (Lima Seismic Gap) (80 km)

TELEMETRY WINDOW

Live Telemetry Feed

SEISMIC INTENSITY

LOW SEISMICITY (24H)

Landmark Historical Earthquakes in Lima

Significant seismic benchmarks, cataloged damage, and engineering lessons shaping modern safety standards.

2021M 6.0

Offshore Mala, Cañete

2021-06-22•55 km from Lima•MMI V–VI in Lima Metropolitana

Strong shallow subduction tremor that struck directly south of the capital; triggered large dust clouds and rockslides along the cliffs of the Costa Verde coastal highway, damaged older adobe walls in central Lima, and injured 20 people.

1746M 8.6

Offshore Lima / Callao

1746-10-28•50 km from Lima•MMI XI (Catastrophic)

The greatest disaster in Peruvian history; destroyed the colonial capital of Lima and generated a colossal tsunami that submerged the entire port city of Callao, leaving fewer than 200 survivors out of 5,000 residents.

1974M 8.1

Offshore Lima

1974-10-03•60 km from Lima•MMI VIII (Severe)

Shook Lima and Callao, collapsed church belfries, damaged over 10,000 structures, and claimed 78 lives across the capital region.

Seismic Geology & Soil Amplification in Lima

Plate boundaries, tectonic kinematics, and local geotechnical ground response characteristics.

PLATE BOUNDARY:Nazca Plate subducting beneath South American Plate
SLIP RATE:60–70 mm/year convergence
STRESS REGIME:Subduction Megathrust Compression

Lima is the only South American capital located directly on the Pacific coastline immediately fronting the Peru-Chile Trench. It sits at the center of the "Lima Seismic Gap"—a locked megathrust section extending between Barranca and Pisco that has not ruptured in a great earthquake since 1746, accumulating sufficient strain to produce an M 8.5 to 8.8 event.

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Local Soil Profile & Ground Motion Resonance

The central Lima conglomerate (Rímac alluvial fan gravel) provides relatively firm bearing ground. However, coastal bluffs in Miraflores and Barranco face cliff-collapse hazards, while peripheral districts (Villa El Salvador, Chorrillos, San Juan de Lurigancho, Callao) are built on loose coastal eolian sand and soft alluvium subject to severe amplification and liquefaction.

Major Active Fault Systems Near Lima

Seismogenic fault lines, maximum credible magnitudes (MCE), and proximity to the metropolitan center.

80 KM FROM CITYM 8.8

Central Peru Megathrust (Lima Seismic Gap)

Subduction Megathrust65 mm/year

Overdue locked subduction interface between the Nazca and South American plates extending 400 km along the central Peruvian coast.

180 KM FROM CITYM 7.2

Huaytapallana Fault Zone

Intraplate Thrust1 mm/year

High-altitude Andean thrust fault responsible for destructive earthquakes in central Peru.

Seismic Safety, Observatory & Building Codes

Official seismological monitoring, building construction standards, early warnings, and emergency response.

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OFFICIAL SEISMIC OBSERVATORY

Instituto Geofísico del Perú (IGP) (IGP)

SASPe (Sistema de Alerta Sísmica Peruano) / SISMATE Cell Broadcast
BUILDING CODE STANDARD:Norma Técnica de Edificación E.030 (Diseño Sismorresistente)
Visit Official Observatory (IGP) →
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EMERGENCY HOTLINE
115 (Defensa Civil) / 105 (Policía) / 116 (Bomberos)
🌊 COASTAL TSUNAMI PROTOCOL

A megathrust rupture offshore Lima will generate catastrophic tsunami waves hitting Callao, La Punta, Chorrillos, and Costa Verde beaches within 15 to 20 minutes. Evacuate immediately uphill without waiting for official warnings.

Agáchate, Cúbrete y Sujétate. In self-built informal masonry housing (autoconstrucción) on sandy hillsides, immediately evacuate to designated safe open platforms.

Frequently Asked Questions About Earthquakes in Lima

Authoritative answers to common questions regarding seismic risks, building safety, and preparedness in Lima.

What is the Lima Seismic Gap?▾

The Lima Seismic Gap is a segment of the Peru-Chile Trench fronting Lima that has been continuously locked and accumulating elastic strain since 1746. Seismologists calculate it holds accumulated energy equivalent to an M 8.5–8.8 earthquake.