Early-est:     Eastern Gulf of Aden    2026.06.25-03:53:26.65    q:B      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1782359618175.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1782359618175.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1782359618175.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* [37]    Mwp: - [0]    Mwpd: - [0]
Region: Eastern Gulf of Aden
Origin Time: 2026.06.25-03:53:26.65 UTC
Hypocenter: lat: 13.18°  lon: 51.05°  [+/-37km]    depth: 18km  [+/-15km]
Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 77   usedPhases: 38
minDist: 8.2°   maxDist: 121.6°   AzGap: 144°   2ndAzGap: 173°   atten: -1.96 [+/-0.61]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 37km   azMaxHorUnc: 108°
68%ConfEllipsoid:   semiMajorAxisLength: 46km   majorAxisAzimuth: 288°   majorAxisPlunge: 4°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 19°   intermediateAxisPlunge: 16°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [21]    Td: 3.1Xs [3]    Td*T50Ex: - [0]    To: 3.6s [21]
Closest plate boundaries:
   Somalia - Arabia [oceanic spreading ridge]: distance: ~0km
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:
       18km
       18km
       18km
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.1782359618175.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 177°   dip: 83°   rake: 6°
Nodal Plane 2: strike: 86°   dip: 84°   rake: 173°
Quality: azimuthalGap: -1°   stationPolarityCount: 30   misfitWeightCount: 5.3   misfit: 0.08   stationDistributionRatio: 0.40   meanDistP: 52.6   meanDistT: 54.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1782359618175.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.1782359618175.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 256°   dip: 46°   rake: 119°
Nodal Plane 2: strike: 37°   dip: 51°   rake: 64°
Quality: azimuthalGap: 144°   stationPolarityCount: 30   misfit: 0.27   stationDistributionRatio: 0.81   rmsAngDiffAccPref: 41.22   fracAcc30degPref: 0.49   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1782359618175.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782359618175
Event info last updated: 2026.06.25-04:52:01 UTC
Event first association/location: 2026.06.25-04:02:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA