Early-est:     Peru - Brazil Border Region    2026.06.03-17:21:27.06    q:A      mb:5.2*    Mwp:-    Mwpd:-    Td*T50Ex:0.0     fmamp_polarity:./hypo.1780507285900.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1780507285900.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1780507285900.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: 5.2* [48]    Mwp: 5.2X [1]    Mwpd: - [0]
Region: Peru - Brazil Border Region
Origin Time: 2026.06.03-17:21:27.06 UTC
Hypocenter: lat: -8.30°  lon: -74.31°  [+/-12km]    depth: 159km  [+/-21km]
Location Quality: qualityCode:  A     stdErr: 1.5s   assocPhases: 104   usedPhases: 68
minDist: 4.4°   maxDist: 151.2°   AzGap: 31°   2ndAzGap: 60°   atten: -0.97 [+/-0.30]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 12km   azMaxHorUnc: 116°
68%ConfEllipsoid:   semiMajorAxisLength: 21km   majorAxisAzimuth: 163°   majorAxisPlunge: 70°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 270°   intermediateAxisPlunge: 6°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.0 [38]    Td: 1.2s [5]    Td*T50Ex: 0.0 [5]    To: 2.2s [38]
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:
     2.6
     2.6
     2.6
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       159km
       159km
       159km
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.1780507285900.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 242°   dip: 45°   rake: 121°
Nodal Plane 2: strike: 22°   dip: 53°   rake: 63°
Quality: azimuthalGap: -1°   stationPolarityCount: 56   misfitWeightCount: 12.1   misfit: 0.10   stationDistributionRatio: 0.45   meanDistP: 30.9   meanDistT: 41.7   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1780507285900.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.1780507285900.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 248°   dip: 74°   rake: 173°
Nodal Plane 2: strike: 340°   dip: 83°   rake: 16°
Quality: azimuthalGap: 82°   stationPolarityCount: 56   misfit: 0.26   stationDistributionRatio: 0.78   rmsAngDiffAccPref: 35.85   fracAcc30degPref: 0.61   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1780507285900.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1780507285900
Event info last updated: 2026.06.03-18:20:01 UTC
Event first association/location: 2026.06.03-17:27:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA