Early-est:     Near Coast of Central Chile    2026.10.14-00:36:47.66    q:B      mb:5.0    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1791938207193.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1791938207193.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1791938207193.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1791938207193.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: 5.0 [21]    Mwp: - [0]    Mwpd: - [0]
Region: Near Coast of Central Chile
Origin Time: 2026.10.14-00:36:47.66 UTC
Hypocenter: lat: -29.21°  lon: -71.92°  [+/-7km]    depth: 18km  [+/-16km]
Location Quality: qualityCode:  B     stdErr: 1.5s   assocPhases: 45   usedPhases: 42
minDist: 1.1°   maxDist: 151.8°   AzGap: 106°   2ndAzGap: 127°   atten: -1.45 [+/-0.47]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 7km   maxHorUnc: 7km   azMaxHorUnc: 93°
68%ConfEllipsoid:   semiMajorAxisLength: 17km   majorAxisAzimuth: 229°   majorAxisPlunge: 73°   semiIntermediateAxisLength: 9km   intermediateAxisAzimuth: 131°   intermediateAxisPlunge: 2°   semiMinorAxisLength: 8km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [16]    Td: 0.3Xs [1]    Td*T50Ex: - [0]    To: 1.5s [12]
Closest plate boundaries:
   Nazca \ South America [subduction zone]: distance: ~60km
Subduction geometry:    Zone: South America    Slab depth at epicenter: 16km
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (60km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       18km
       18km
       18km
Slab depth at epicenter:
       16km
       -
       -
./hypo.1791938207193.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 98°   dip: 12°   rake: 35°
Nodal Plane 2: strike: 333°   dip: 83°   rake: 100°
Quality: azimuthalGap: -1°   stationPolarityCount: 36   misfitWeightCount: 6.9   misfit: 0.20   stationDistributionRatio: 0.36   meanDistP: 35.8   meanDistT: 39.1   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1791938207193.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 56°   dip: 85°   rake: 177°
Nodal Plane 2: strike: 146°   dip: 87°   rake: 5°
Quality: azimuthalGap: 126°   stationPolarityCount: 36   misfit: 0.37   stationDistributionRatio: 0.59   rmsAngDiffAccPref: 11.92   fracAcc30degPref: 1.00   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1791938207193.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: nan°
Nodal Plane 2: strike: nan°   dip: nan°   rake: nan°
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.1791938207193.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: nan°
Nodal Plane 2: strike: nan°   dip: nan°   rake: nan°
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.1791938207193.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1791938207193
Event info last updated: 2026.10.14-01:37:03 UTC
Event first association/location: 2026.10.14-00:42:04 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI