Early-est:     Taiwan    2025.11.10-05:00:51.61    q:B      mb:5.0    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     hash:     fmamp_amp_aref:     fmamp_amp_mwp:

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

Earthquake Details: Magnitude: mb: 5.0 [38]    Mwp: - [0]    Mwpd: - [0] Region: Taiwan Origin Time: 2025.11.10-05:00:51.61 UTC Hypocenter: lat: 23.01°  lon: 120.69°  [+/-13km]    depth: 20km  [+/-15km] Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 87   usedPhases: 49 minDist: 0.4°   maxDist: 164.8°   AzGap: 52°   2ndAzGap: 59°   atten: -1.02 [+/-0.19] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 13km   azMaxHorUnc: 151° 68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 155°   majorAxisPlunge: 39°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 253°   intermediateAxisPlunge: 9°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: <1% T50Ex: 0.4 [26]    Td: -s [0]    Td*T50Ex: - [0]    To: 5.7s [20] Closest plate boundaries:    Philippine Sea - Yangtze [continental convergent boundary]: distance: ~40km    Yangtze - Sunda [continental convergent boundary]: distance: ~140km    Philippine Sea / Sunda [subduction zone]: distance: ~160km    Okinawa - Philippine Sea [continental transform fault]: distance: ~180km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (160km)  YES (40km)  no Prob underwater:  <1%  <1%  <1% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        20km        20km        20km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 315°   dip: 23°   rake: -43° Nodal Plane 2: strike: 86°   dip: 75°   rake: -107° Quality: azimuthalGap: -1°   stationPolarityCount: 47   misfitWeightCount: 12.0   misfit: 0.17   stationDistributionRatio: 0.47   meanDistP: 29.7   meanDistT: 37.4   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 114°   dip: 69°   rake: -75° Nodal Plane 2: strike: 256°   dip: 26°   rake: -125° Quality: azimuthalGap: 54°   stationPolarityCount: 47   misfit: 0.28   stationDistributionRatio: 0.70   rmsAngDiffAccPref: 24.58   fracAcc30degPref: 0.77   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
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
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

Event ID: smi:KOERI/ee/event/1762750850435
Event info last updated: 2025.11.10-06:01:12 UTC
Event first association/location: 2025.11.10-05:05:27 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI