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Seismic Event Dossier16:45 Local (08:45 UTC)(ahora mismo)

Earthquake near Philippine Sea (Philippines)

A magnitude 7.9 (MW) earthquake occurred on 1913-03-14, 16:45 local time (08:45 UTC) (ahora mismo), centered Philippine Sea (101 km SE of General Santos, Philippines). The hypocenter was located at a shallow depth of 15 km. Primary telemetry verified by USGS.

Historical Landmark Earthquake

#69 of All Time

Curated Global Seismic Archive (1700–Present)

Top-100 Earthquakes
Terremoto histórico de magnitud M7.9 ocurrido el 1913-03-14 en Philippines.
Documented Fatalities> 1,000
Fault KinematicsActive Fault
Equivalent Energy10.68 Mt TNT

Magnitud

MW
M 7.9

10.68 Mt TNT

Profundidad

15 km
15 km

shallow (Cortical superficial)

Impacto PAGER

red
> 1,000 fatalities

Heridos: > 5,000 · ~34.3M lo sintieron

Mapa interactivo de epicentro y fallas

5.54°N, 125.89°E
Falla5 km
Offshore Davao Gulf
Active Fault · ~15.0 mm/yr
Felt byMMI III+
~34.3M exposed
~15.2M strong shaking
Primary SolutionUSGS
USGS#iscgem914043reviewed
1 agencies reporting
Setting5.5°N
Isla de Mindanao y Fosa de Filipinas
Philippine Sea (Marino)

Seismic Activity & Aftershock Sequence

Timeline of foreshocks, main rupture, aftershocks and machine learning risk probability evolution.

M0.0M4.5M9.0100%50%0%Sismo principal13 mar, 1614 mar, 0414 mar, 1615 mar, 0415 mar, 1616 mar, 0416 mar, 1617 mar, 04M7.9
Hover or tap a point to inspect aftershocks and risk probability curve.
<35 km (Superficial / Destructivo)35–70 km (Intermedio)>70 km (Profundo)Sismo principal

Verified Disaster & Impact Assessment

Official emergency management data cross-checked against multi-agency wires

Continuous verification
Casualties
None expected (offshore epicenter)
Zero exposed population
Tsunami Status
No tsunami threat
NOAA PTWC & regional buoys
Citizen Felt Reports
0
Not felt / offshore epicenter
Macroseismic DYFI verification
Aftershock Sequence
Monitoring
Aftershocks expected (Omori law)
LightGBM hazard model forecast

Agency Discrepancy Matrix (Cross-Network Verification)

Comparing multi-network solutions from primary and teleseismic monitoring agencies.

Network / SourceMagnitude (Scale & Diff)Depth & DiffEpicenter & Shift (Δd)ConsensusEvent ID / Data
USGS
United States Geological Survey · Global / US
M7.9(Mw)Ref
15.0 kmRef
5.54°, 125.89°Origin
Authoritative
iscgem914043

Why do agency magnitudes differ? Seismological agencies use different instrumentation networks, crustal velocity models, and mathematical magnitude scales (e.g. Moment Magnitude Mw vs Local Richter ML vs Surface Wave Ms). Differences of 0.1–0.3 are common and reflect physical observation geometry rather than errors.

Where it was felt

3 poblaciones

Shaking intensity is modelled from magnitude, depth and distance (GMPE attenuation), not reported by residents.

TownDistanceIntensity
General Santos · South Cotabato101 kmMMI VIII
Davao · Davao Del Sur177 kmMMI VII
Cotabato · Shariff Kabunsuan260 kmMMI VI

Tectonic setting

Nearest mapped active fault: Offshore Davao Gulf, 5 km away, slip rate ~15.0 mm/yr (GEM Global Active Faults).

Perfil sísmico regional

Isla de Mindanao y Fosa de Filipinas

Vea el monitoreo sísmico en vivo, referencias históricas de peligro, modelos de deslizamiento de fallas e intervalos de recurrencia para esta zona.