Early-est:     El Salvador    2025.11.09-01:49:07.81    q:A      mb:4.8    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1762652946817.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1762652946817.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1762652946817.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1762652946817.mech.fmamp_amp_mwp.thumb.jpg

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details:
Magnitude: mb: 4.8 [35]    Mwp: - [0]    Mwpd: - [0]
Region: El Salvador
Origin Time: 2025.11.09-01:49:07.81 UTC
Hypocenter: lat: 13.00°  lon: -88.63°  [+/-7km]    depth: 91km  [+/-8km]
Location Quality: qualityCode:  A     stdErr: 1.3s   assocPhases: 76   usedPhases: 50
minDist: 1.7°   maxDist: 146.6°   AzGap: 45°   2ndAzGap: 68°   atten: -1.43 [+/-0.18]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 6km   maxHorUnc: 7km   azMaxHorUnc: 52°
68%ConfEllipsoid:   semiMajorAxisLength: 8km   majorAxisAzimuth: 231°   majorAxisPlunge: 6°   semiIntermediateAxisLength: 8km   intermediateAxisAzimuth: 116°   intermediateAxisPlunge: 75°   semiMinorAxisLength: 7km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [26]    Td: 0.5Xs [3]    Td*T50Ex: - [0]    To: 2.0s [16]
Closest plate boundaries:
   Caribbean / Cocos [subduction zone]: distance: ~120km
Subduction geometry:    Zone: Central America    Slab depth at epicenter: 64km
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (120km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       91km
       91km
       91km
Slab depth at epicenter:
       64km
       -
       -
./hypo.1762652946817.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 101°   dip: 55°   rake: -136°
Nodal Plane 2: strike: 342°   dip: 55°   rake: -45°
Quality: azimuthalGap: -1°   stationPolarityCount: 43   misfitWeightCount: 16.7   misfit: 0.20   stationDistributionRatio: 0.47   meanDistP: 22.5   meanDistT: 35.4   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1762652946817.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 105°   dip: 53°   rake: -134°
Nodal Plane 2: strike: 343°   dip: 55°   rake: -47°
Quality: azimuthalGap: 44°   stationPolarityCount: 43   misfit: 0.23   stationDistributionRatio: 0.71   rmsAngDiffAccPref: 18.03   fracAcc30degPref: 0.94   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1762652946817.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: 0°
Nodal Plane 2: strike: 270°   dip: 90°   rake: 90°
Quality: azimuthalGap: -1°   stationPolarityCount: 0   misfitWeightCount: -1.0   misfit: -1.00   stationDistributionRatio: -1.00   meanDistP: -1.0   meanDistT: -1.0   qualityCode: X
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_aref
./hypo.1762652946817.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: 0°
Nodal Plane 2: strike: 270°   dip: 90°   rake: 90°
Quality: azimuthalGap: -1°   stationPolarityCount: 0   misfitWeightCount: -1.0   misfit: -1.00   stationDistributionRatio: -1.00   meanDistP: -1.0   meanDistT: -1.0   qualityCode: X
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_mwp
./hypo.1762652946817.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1762652946817
Event info last updated: 2025.11.09-02:49:52 UTC
Event first association/location: 2025.11.09-01:52:45 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI