Early-est:     Leyte, Philippines    2025.02.02-15:43:14.84    q:A      mb:5.2    Mwp:-    Mwpd:-    Td*T50Ex:0.3     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: 5.2 [110]    Mwp: 5.0X [2]    Mwpd: 5.2Xinv [2] Region: Leyte, Philippines Origin Time: 2025.02.02-15:43:14.84 UTC Hypocenter: lat: 10.20°  lon: 125.58°  [+/-15km]    depth: 151km  [+/-22km] Location Quality: qualityCode:  A     stdErr: 1.3s   assocPhases: 201   usedPhases: 145 minDist: 3.1°   maxDist: 171.3°   AzGap: 33°   2ndAzGap: 57°   atten: -0.74 [+/-0.14] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 15km   azMaxHorUnc: 102° 68%ConfEllipsoid:   semiMajorAxisLength: 22km   majorAxisAzimuth: 78°   majorAxisPlunge: 70°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 288°   intermediateAxisPlunge: 18°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 42% T50Ex: 0.2 [81]    Td: 1.4s [8]    Td*T50Ex: 0.3 [8]    To: 1.8s [72] Closest plate boundaries:    Philippine Sea \ Sunda [subduction zone]: distance: ~110km Subduction geometry:    Zone: Philippines    Slab depth at epicenter: 99km Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (110km)  no  no Prob underwater:  42%  42%  42% Td*T50Ex:    0.3    0.3    0.3 Td*To:      2.5      2.5      2.5 Mwp magnitude:        -        -        - Hypocenter depth:        151km        151km        151km Slab depth at epicenter:        99km        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 337°   dip: 54°   rake: -21° Nodal Plane 2: strike: 80°   dip: 73°   rake: -142° Quality: azimuthalGap: -1°   stationPolarityCount: 122   misfitWeightCount: 26.4   misfit: 0.18   stationDistributionRatio: 0.54   meanDistP: 27.3   meanDistT: 33.6   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 126°   dip: 39°   rake: -109° Nodal Plane 2: strike: 330°   dip: 54°   rake: -76° Quality: azimuthalGap: 35°   stationPolarityCount: 122   misfit: 0.34   stationDistributionRatio: 0.70   rmsAngDiffAccPref: 37.72   fracAcc30degPref: 0.54   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 172°   dip: 19°   rake: -110° Nodal Plane 2: strike: 13°   dip: 72°   rake: -83° Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 3.5   misfit: 9999.90   stationDistributionRatio: 0.32   meanDistP: 30.2   meanDistT: 40.3   qualityCode: D 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/1738510993985
Event info last updated: 2025.02.02-16:44:06 UTC
Event first association/location: 2025.02.02-15:48:19 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI