Early-est:     Near Coast of Peru    2026.10.11-13:42:58.42    q:A      mb:5.2    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: 5.2 [49]    Mwp: 4.5X [1]    Mwpd: - [0] Region: Near Coast of Peru Origin Time: 2026.10.11-13:42:58.42 UTC Hypocenter: lat: -16.57°  lon: -72.77°  [+/-14km]    depth: 20km  [+/-14km] Location Quality: qualityCode:  A     stdErr: 1.5s   assocPhases: 100   usedPhases: 63 minDist: 2.9°   maxDist: 150.6°   AzGap: 89°   2ndAzGap: 120°   atten: -1.24 [+/-0.21] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 14km   azMaxHorUnc: 126° 68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 126°   majorAxisPlunge: 3°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 216°   intermediateAxisPlunge: 3°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 57% T50Ex: 0.4 [35]    Td: 0.5Xs [1]    Td*T50Ex: - [0]    To: 15.1s [32] Closest plate boundaries:    Nazca \ Altiplano [subduction zone]: distance: ~150km Subduction geometry:    Zone: South America    Slab depth at epicenter: 49km Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (150km)  no  no Prob underwater:  57%  57%  57% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        20km        20km        20km Slab depth at epicenter:        49km        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 148°   dip: 22°   rake: 32° Nodal Plane 2: strike: 29°   dip: 79°   rake: 109° Quality: azimuthalGap: -1°   stationPolarityCount: 55   misfitWeightCount: 8.0   misfit: 0.26   stationDistributionRatio: 0.34   meanDistP: 45.0   meanDistT: 42.2   qualityCode: D 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: 355°   dip: 50°   rake: 156° Nodal Plane 2: strike: 101°   dip: 72°   rake: 43° Quality: azimuthalGap: 89°   stationPolarityCount: 55   misfit: 0.41   stationDistributionRatio: 0.64   rmsAngDiffAccPref: 42.32   fracAcc30degPref: 0.54   qualityCode: D 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/1791726180567
Event info last updated: 2026.10.11-14:43:11 UTC
Event first association/location: 2026.10.11-13:48:41 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI