Early-est:     Chile - Argentina Border Region    2024.12.13-23:38:17.40    q:A      mb:5.6    Mwp:6.3*    Mwpd:-    Td*T50Ex:0.0     fmamp_polarity:./hypo.1734133098985.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734133098985.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734133098985.mech.hash.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 5.6 [80]    Mwp: 6.3* [59]    Mwpd: 6.3Xinv [58]
Region: Chile - Argentina Border Region
Origin Time: 2024.12.13-23:38:17.40 UTC
Hypocenter: lat: -35.35°  lon: -70.87°  [+/-5km]    depth: 112km  [+/-4km]
Location Quality: qualityCode:  A     stdErr: 1.0s   assocPhases: 310   usedPhases: 147
minDist: 0.6°   maxDist: 174.9°   AzGap: 18°   2ndAzGap: 30°   atten: -1.36 [+/-0.26]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 3km   maxHorUnc: 5km   azMaxHorUnc: 86°
68%ConfEllipsoid:   semiMajorAxisLength: 6km   majorAxisAzimuth: 86°   majorAxisPlunge: 8°   semiIntermediateAxisLength: 4km   intermediateAxisAzimuth: 287°   intermediateAxisPlunge: 81°   semiMinorAxisLength: 3km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.0 [75]    Td: 2.4s [19]    Td*T50Ex: 0.0 [19]    To: 3.4s [75]
Closest plate boundaries:
   Nazca \ South America [subduction zone]: distance: ~250km
Subduction geometry:    Zone: South America: DEBUG: error: [Errno 2] No such file or directory: 'gmt'    Slab depth at epicenter: error: evaluating slab depth: -999.9
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (250km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   0.0
   0.0
   0.0
Td*To:
     8.2
     8.2
     8.2
Mwp magnitude:
       6.3*
       6.3*
       6.3*
Hypocenter depth:
       112km
       112km
       112km
Slab depth at epicenter:
       n/a
       -
       -
Tsunami and Rupture predictions (TEST!): No prediction: Event too small (Mwp<7.0) or too few Mwp readings (N<20)
./hypo.1734133098985.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1: strike: 163°   dip: 16°   rake: -127°
Nodal Plane 2: strike: 21°   dip: 77°   rake: -80°
Quality: azimuthalGap: -1°   stationPolarityCount: 91   misfitWeightCount: 22.5   misfit: 0.12   stationDistributionRatio: 0.52   meanDistP: 15.0   meanDistT: 18.5   qualityCode: A
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734133098985.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 253°   dip: 22°   rake: -50°
Nodal Plane 2: strike: 31°   dip: 73°   rake: -105°
Quality: azimuthalGap: -1°   stationPolarityCount: 23   misfitWeightCount: 9.1   misfit: 0.00   stationDistributionRatio: 0.52   meanDistP: 29.7   meanDistT: 47.0   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity_waveform
./hypo.1734133098985.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 180°   dip: 12°   rake: -115°
Nodal Plane 2: strike: 25°   dip: 79°   rake: -85°
Quality: azimuthalGap: 87°   stationPolarityCount: 91   misfit: 0.11   stationDistributionRatio: 0.74   rmsAngDiffAccPref: 23.41   fracAcc30degPref: 0.84   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734133098985.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734133098985
Event info last updated: 2024.12.14-00:37:01 UTC
Event first association/location: 2024.12.13-23:40:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA