Early-est: Mindanao, Philippines 2026.06.26-20:08:05.04 q:C mb:4.7* Mwp:- Mwpd:- Td*T50Ex:- fmamp_polarity: fmamp_polarity_waveform: hash:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details:
Magnitude:	mb: 4.7* [8] Mwp: 4.5X [1] Mwpd: - [0]
Region:	Mindanao, Philippines
Origin Time:	2026.06.26-20:08:05.04 UTC
Hypocenter:	lat: 5.73° lon: 125.57° [+/-15km] depth: 68km [+/-17km]
Location Quality:	qualityCode: C stdErr: 1.3s assocPhases: 18 usedPhases: 11 minDist: 1.3° maxDist: 147.2° AzGap: 119° 2ndAzGap: 176° atten: -1.43 [+/-0.65]
Location Uncertainty:	68%ConfEllipse: minHorUnc: 10km maxHorUnc: 15km azMaxHorUnc: 81° 68%ConfEllipsoid: semiMajorAxisLength: 20km majorAxisAzimuth: 80° majorAxisPlunge: 35° semiIntermediateAxisLength: 16km intermediateAxisAzimuth: 265° intermediateAxisPlunge: 55° semiMinorAxisLength: 13km

Tsunamigeneic Assesment:

Discriminants:

Prob Underwater: 93%
T50Ex: 0.5 [6] Td: -s [0] Td*T50Ex: - [0] To: 29.4Xs [3]
Closest plate boundaries:
Philippine Sea \ Sunda [subduction zone]: distance: ~200km
Subduction geometry: none or not available

Decision table (TEST!):

Event type:

Subduction Zone

Other Thrust/Normal

Strike-slip

Compatible close plate boundary?:

YES (200km)

Prob underwater:

93%

Td*T50Ex:

Td*To:

Mwp magnitude:

Hypocenter depth:

68km

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)

First-motion Focal Mechanism (FMAMP_POLARITY): (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

./hypo.1782504485183.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.1782504485183.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: 0° stationPolarityCount: 5 misfit: 0.99 stationDistributionRatio: 0.00 rmsAngDiffAccPref: 0.00 fracAcc30degPref: 0.00 qualityCode: F
Method:	methodID: smi:gov.usgs/focalmec/HASH_1.2

./hypo.1782504485183.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782504485183
Event info last updated: 2026.06.26-21:07:01 UTC
Event first association/location: 2026.06.26-20:14:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA

Early-est: Mindanao, Philippines 2026.06.26-20:08:05.04 q:C mb:4.7* Mwp:- Mwpd:- Td*T50Ex:- fmamp_polarity: fmamp_polarity_waveform: hash:

Automatic solution - this event has not been reviewed by a seismologist Automatically determined event information may be incorrect!

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!