Early-est:     Peru - Brazil Border Region    2026.06.24-16:25:58.41    q:B      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1782318358373.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1782318358373.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1782318358373.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: 4.8* [26]    Mwp: - [0]    Mwpd: - [0]
Region: Peru - Brazil Border Region
Origin Time: 2026.06.24-16:25:58.41 UTC
Hypocenter: lat: -8.19°  lon: -74.31°  [+/-13km]    depth: 143km  [+/-16km]
Location Quality: qualityCode:  B     stdErr: 1.1s   assocPhases: 56   usedPhases: 39
minDist: 4.5°   maxDist: 166.9°   AzGap: 87°   2ndAzGap: 102°   atten: -1.02 [+/-0.42]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 13km   azMaxHorUnc: 79°
68%ConfEllipsoid:   semiMajorAxisLength: 17km   majorAxisAzimuth: 85°   majorAxisPlunge: 57°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 255°   intermediateAxisPlunge: 32°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.0 [9]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.5s [9]
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:
       143km
       143km
       143km
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.1782318358373.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 2°   dip: 40°   rake: -177°
Nodal Plane 2: strike: 270°   dip: 88°   rake: -50°
Quality: azimuthalGap: -1°   stationPolarityCount: 32   misfitWeightCount: 6.5   misfit: 0.06   stationDistributionRatio: 0.63   meanDistP: 49.9   meanDistT: 37.5   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1782318358373.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.1782318358373.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 335°   dip: 68°   rake: -155°
Nodal Plane 2: strike: 235°   dip: 67°   rake: -24°
Quality: azimuthalGap: 144°   stationPolarityCount: 32   misfit: 0.15   stationDistributionRatio: 0.73   rmsAngDiffAccPref: 9.32   fracAcc30degPref: 1.00   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1782318358373.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782318358373
Event info last updated: 2026.06.24-17:24:01 UTC
Event first association/location: 2026.06.24-16:36:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA