Early-est:     San Juan Province, Argentina    2024.12.18-09:52:25.57    q:B      mb:4.5*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734515547010.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734515547010.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734515547010.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: 4.5* [14]    Mwp: 5.1X [1]    Mwpd: - [0]
Region: San Juan Province, Argentina
Origin Time: 2024.12.18-09:52:25.57 UTC
Hypocenter: lat: -31.56°  lon: -68.94°  [+/-13km]    depth: 124km  [+/-17km]
Location Quality: qualityCode:  B     stdErr: 0.6s   assocPhases: 53   usedPhases: 12
minDist: 0.2°   maxDist: 149.4°   AzGap: 59°   2ndAzGap: 88°   atten: -9.90 [+/-0.00]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 13km   azMaxHorUnc: 168°
68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 119°   majorAxisPlunge: 67°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 2°   intermediateAxisPlunge: 11°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.7 [10]    Td: -s [0]    Td*T50Ex: - [0]    To: 5.9s [10]
Closest plate boundaries:
   Nazca \ South America [subduction zone]: distance: ~350km
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 (350km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       124km
       124km
       124km
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.1734515547010.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 36°   dip: 46°   rake: -50°
Nodal Plane 2: strike: 166°   dip: 57°   rake: -123°
Quality: azimuthalGap: -1°   stationPolarityCount: 21   misfitWeightCount: 11.2   misfit: 0.06   stationDistributionRatio: 0.53   meanDistP: 38.2   meanDistT: 33.3   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734515547010.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (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/_polarity_waveform
./hypo.1734515547010.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 344°   dip: 64°   rake: -154°
Nodal Plane 2: strike: 242°   dip: 67°   rake: -29°
Quality: azimuthalGap: 71°   stationPolarityCount: 21   misfit: 0.19   stationDistributionRatio: 0.66   rmsAngDiffAccPref: 12.49   fracAcc30degPref: 1.00   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734515547010.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734515547010
Event info last updated: 2024.12.18-10:51:01 UTC
Event first association/location: 2024.12.18-09:54:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA