Early-est:     Peru - Bolivia Border Region    2025.07.07-23:30:59.35    q:B      mb:4.6*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1751931060995.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1751931060995.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1751931060995.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: 4.6* [22]    Mwp: - [0]    Mwpd: - [0]
Region: Peru - Bolivia Border Region
Origin Time: 2025.07.07-23:30:59.35 UTC
Hypocenter: lat: -15.90°  lon: -69.60°  [+/-38km]    depth: 227km  [+/-37km]
Location Quality: qualityCode:  B     stdErr: 0.8s   assocPhases: 69   usedPhases: 31
minDist: 1.5°   maxDist: 90.8°   AzGap: 137°   2ndAzGap: 137°   atten: -0.87 [+/-0.35]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 15km   maxHorUnc: 38km   azMaxHorUnc: 97°
68%ConfEllipsoid:   semiMajorAxisLength: 54km   majorAxisAzimuth: 96°   majorAxisPlunge: 33°   semiIntermediateAxisLength: 27km   intermediateAxisAzimuth: 286°   intermediateAxisPlunge: 56°   semiMinorAxisLength: 19km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.0 [16]    Td: 0.2Xs [1]    Td*T50Ex: - [0]    To: 1.7s [16]
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:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       227km
       227km
       227km
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.1751931060995.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 318°   dip: 33°   rake: 94°
Nodal Plane 2: strike: 133°   dip: 57°   rake: 87°
Quality: azimuthalGap: -1°   stationPolarityCount: 28   misfitWeightCount: 7.9   misfit: 0.11   stationDistributionRatio: 0.49   meanDistP: 43.9   meanDistT: 42.5   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1751931060995.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.1751931060995.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 48°   dip: 49°   rake: 175°
Nodal Plane 2: strike: 141°   dip: 87°   rake: 41°
Quality: azimuthalGap: 101°   stationPolarityCount: 28   misfit: 0.38   stationDistributionRatio: 0.83   rmsAngDiffAccPref: 35.51   fracAcc30degPref: 0.70   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1751931060995.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1751931060995
Event info last updated: 2025.07.08-00:29:01 UTC
Event first association/location: 2025.07.07-23:36:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA