Early-est:     Near Coast of Northern Chile    2026.10.14-03:11:09.25    q:A      mb:4.9    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: 4.9 [34]    Mwp: 4.0X [1]    Mwpd: - [0] Region: Near Coast of Northern Chile Origin Time: 2026.10.14-03:11:09.25 UTC Hypocenter: lat: -20.31°  lon: -70.37°  [+/-15km]    depth: 31km  [+/-19km] Location Quality: qualityCode:  A     stdErr: 1.8s   assocPhases: 76   usedPhases: 50 minDist: 1.3°   maxDist: 152.7°   AzGap: 64°   2ndAzGap: 75°   atten: -1.34 [+/-0.14] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 15km   azMaxHorUnc: 39° 68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 138°   majorAxisPlunge: 63°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 42°   intermediateAxisPlunge: 3°   semiMinorAxisLength: 17km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.6 [23]    Td: -s [0]    Td*T50Ex: - [0]    To: 7.5s [18] Closest plate boundaries:    Nazca \ Altiplano [subduction zone]: distance: ~100km    Altiplano - South America [continental transform fault]: distance: ~140km    Nazca \ South America [subduction zone]: distance: ~210km Subduction geometry:    Zone: South America    Slab depth at epicenter: 36km Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (100km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        31km        31km        31km Slab depth at epicenter:        36km        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 309°   dip: 26°   rake: -117° Nodal Plane 2: strike: 159°   dip: 67°   rake: -77° Quality: azimuthalGap: -1°   stationPolarityCount: 48   misfitWeightCount: 13.6   misfit: 0.14   stationDistributionRatio: 0.63   meanDistP: 22.7   meanDistT: 44.4   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: 325°   dip: 50°   rake: -130° Nodal Plane 2: strike: 197°   dip: 54°   rake: -53° Quality: azimuthalGap: 93°   stationPolarityCount: 48   misfit: 0.29   stationDistributionRatio: 0.64   rmsAngDiffAccPref: 28.74   fracAcc30degPref: 0.76   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/1791947469222
Event info last updated: 2026.10.14-04:11:51 UTC
Event first association/location: 2026.10.14-03:15:37 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI