Early-est:     Adriatic Sea    2026.06.20-02:04:43.74    q:C      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1781921082286.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1781921082286.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1781921082286.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: 2.1X [2]    Mwp: - [0]    Mwpd: - [0]
Region: Adriatic Sea
Origin Time: 2026.06.20-02:04:43.74 UTC
Hypocenter: lat: 42.51°  lon: 16.11°  [+/-21km]    depth: 686km  [+/-80km]
Location Quality: qualityCode:  C     stdErr: 1.8s   assocPhases: 16   usedPhases: 12
minDist: 1.9°   maxDist: 120.7°   AzGap: 75°   2ndAzGap: 105°   atten: 6.43 [+/-11.11]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 16km   maxHorUnc: 21km   azMaxHorUnc: 145°
68%ConfEllipsoid:   semiMajorAxisLength: 82km   majorAxisAzimuth: 138°   majorAxisPlunge: 78°   semiIntermediateAxisLength: 21km   intermediateAxisAzimuth: 28°   intermediateAxisPlunge: 4°   semiMinorAxisLength: 19km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.5 [5]    Td: 1.6Xs [2]    Td*T50Ex: - [0]    To: 31.0s [4]
Closest plate boundaries:
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:
       686km
       686km
       686km
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.1781921082286.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 10°   dip: 11°   rake: 126°
Nodal Plane 2: strike: 153°   dip: 81°   rake: 84°
Quality: azimuthalGap: -1°   stationPolarityCount: 11   misfitWeightCount: 4.0   misfit: 0.05   stationDistributionRatio: 0.48   meanDistP: 47.7   meanDistT: 47.1   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1781921082286.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.1781921082286.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 23°   dip: 69°   rake: -147°
Nodal Plane 2: strike: 280°   dip: 59°   rake: -25°
Quality: azimuthalGap: 101°   stationPolarityCount: 11   misfit: 0.31   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 51.06   fracAcc30degPref: 0.24   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1781921082286.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1781921082286
Event info last updated: 2026.06.20-03:03:00 UTC
Event first association/location: 2026.06.20-02:09:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA