Early-est:     Santiago Del Estero Prov., Arg.    2025.07.09-19:11:59.93    q:A      mb:5.1*    Mwp:-    Mwpd:-    Td*T50Ex:0.0     fmamp_polarity:./hypo.1752088319305.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1752088319305.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1752088319305.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: 5.1* [65]    Mwp: 5.2X [1]    Mwpd: 5.6Xinv [1]
Region: Santiago Del Estero Prov., Arg.
Origin Time: 2025.07.09-19:11:59.93 UTC
Hypocenter: lat: -27.13°  lon: -63.50°  [+/-8km]    depth: 587km  [+/-11km]
Location Quality: qualityCode:  A     stdErr: 1.1s   assocPhases: 140   usedPhases: 97
minDist: 5.6°   maxDist: 163.7°   AzGap: 29°   2ndAzGap: 54°   atten: -1.20 [+/-0.33]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 7km   maxHorUnc: 8km   azMaxHorUnc: 70°
68%ConfEllipsoid:   semiMajorAxisLength: 13km   majorAxisAzimuth: 247°   majorAxisPlunge: 47°   semiIntermediateAxisLength: 9km   intermediateAxisAzimuth: 149°   intermediateAxisPlunge: 7°   semiMinorAxisLength: 8km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.0 [54]    Td: 0.4s [16]    Td*T50Ex: 0.0 [16]    To: 1.2s [54]
Closest plate boundaries:
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?:
 no
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   0.0
   0.0
   0.0
Td*To:
     0.5
     0.5
     0.5
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       587km
       587km
       587km
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.1752088319305.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1: strike: 131°   dip: 26°   rake: 76°
Nodal Plane 2: strike: 327°   dip: 65°   rake: 97°
Quality: azimuthalGap: -1°   stationPolarityCount: 72   misfitWeightCount: 28.4   misfit: 0.17   stationDistributionRatio: 0.59   meanDistP: 22.2   meanDistT: 24.3   qualityCode: B
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1752088319305.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.1752088319305.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 39°   dip: 26°   rake: -1°
Nodal Plane 2: strike: 129°   dip: 90°   rake: -116°
Quality: azimuthalGap: 54°   stationPolarityCount: 72   misfit: 0.29   stationDistributionRatio: 0.77   rmsAngDiffAccPref: 35.37   fracAcc30degPref: 0.60   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1752088319305.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1752088319305
Event info last updated: 2025.07.09-20:10:05 UTC
Event first association/location: 2025.07.09-19:15:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA