Early-est:     Central Italy    2026.08.12-08:57:11.94    q:A      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1786525034873.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1786525034873.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1786525034873.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: 5.2X [2]    Mwp: - [0]    Mwpd: - [0]
Region: Central Italy
Origin Time: 2026.08.12-08:57:11.94 UTC
Hypocenter: lat: 43.59°  lon: 10.18°  [+/-4km]    depth: 82km  [+/-16km]
Location Quality: qualityCode:  A     stdErr: 0.5s   assocPhases: 15   usedPhases: 12
minDist: 1.6°   maxDist: 130.2°   AzGap: 104°   2ndAzGap: 183°   atten: 1.04 [+/-1.97]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 3km   maxHorUnc: 4km   azMaxHorUnc: 17°
68%ConfEllipsoid:   semiMajorAxisLength: 16km   majorAxisAzimuth: 182°   majorAxisPlunge: 86°   semiIntermediateAxisLength: 5km   intermediateAxisAzimuth: 21°   intermediateAxisPlunge: 3°   semiMinorAxisLength: 4km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.2X [2]    Td: 0.3Xs [1]    Td*T50Ex: - [0]    To: 2.7Xs [2]
Closest plate boundaries:
   Eurasia \ Africa [subduction zone]: distance: ~510km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       82km
       82km
       82km
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.1786525034873.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 175°   dip: 26°   rake: 60°
Nodal Plane 2: strike: 27°   dip: 68°   rake: 104°
Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 3.0   misfit: 0.00   stationDistributionRatio: 0.37   meanDistP: 54.8   meanDistT: 50.3   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1786525034873.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.1786525034873.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (No solution available)
Nodal Plane 1: strike: 999°   dip: 99°   rake: 999°
Nodal Plane 2: strike: 324°   dip: 13°   rake: 135°
Quality: azimuthalGap: 204°   stationPolarityCount: 9   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1786525034873.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1786525034873
Event info last updated: 2026.08.12-09:56:00 UTC
Event first association/location: 2026.08.12-08:59:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA