<?xml version="1.0" encoding="UTF-8"?>
<seiscomp xmlns="http://geofon.gfz.de/ns/seiscomp-schema/0.14" version="0.14"><EventParameters><origin publicID="Origin/20260426205910.953825.541849"><time><value>2026-04-26T20:23:55.290125Z</value><uncertainty>0.4618400931358337</uncertainty></time><latitude><value>42.725887298583984</value><uncertainty>2.458364248275757</uncertainty></latitude><longitude><value>142.97080993652344</value><uncertainty>2.2181053161621094</uncertainty></longitude><depth><value>73.63225555419922</value><uncertainty>4.480381488800049</uncertainty></depth><depthType>from location</depthType><methodID>LOCSAT</methodID><earthModelID>iasp91</earthModelID><quality><associatedPhaseCount>161</associatedPhaseCount><usedPhaseCount>157</usedPhaseCount><associatedStationCount>161</associatedStationCount><usedStationCount>157</usedStationCount><depthPhaseCount>0</depthPhaseCount><standardError>0.7063957221642099</standardError><azimuthalGap>42.92984390258789</azimuthalGap><maximumDistance>93.97096252441406</maximumDistance><minimumDistance>2.4035186767578125</minimumDistance><medianDistance>74.24943542480469</medianDistance></quality><uncertainty><minHorizontalUncertainty>4.421161651611328</minHorizontalUncertainty><maxHorizontalUncertainty>5.524123668670654</maxHorizontalUncertainty><azimuthMaxHorizontalUncertainty>148.9430694580078</azimuthMaxHorizontalUncertainty><preferredDescription>horizontal uncertainty</preferredDescription></uncertainty><evaluationMode>automatic</evaluationMode><evaluationStatus>confirmed</evaluationStatus><creationInfo><agencyID>gempa</agencyID><creationTime>2026-04-26T20:59:10.953831Z</creationTime><modificationTime>2026-04-26T20:59:11.242833Z</modificationTime></creationInfo><comment><text>0.70</text><id>mismatchScore</id><creationInfo><creationTime>2026-04-26T20:59:11.242816Z</creationTime><modificationTime>2026-04-26T20:59:11.242839Z</modificationTime></creationInfo></comment><comment><text>extendedGap</text><id>scevalMethod</id><creationInfo><creationTime>2026-04-26T20:59:11.242827Z</creationTime></creationInfo></comment><magnitude publicID="Origin/20260426205910.953825.541849/netMag/M"><magnitude><value>6.069401809151766</value></magnitude><type>M</type><methodID>weighted average</methodID><stationCount>118</stationCount><creationInfo><agencyID>gempa</agencyID><creationTime>2026-04-26T20:59:11.289178Z</creationTime></creationInfo></magnitude></origin><origin publicID="Origin/20260426205756.680767.731447"><time><value>2026-04-26T20:23:56.015424Z</value></time><latitude><value>42.69598388671875</value></latitude><longitude><value>142.97003173828125</value></longitude><depth><value>66</value></depth><depthType>from moment tensor inversion</depthType><methodID>FocalMechanism</methodID><earthModelID>qseis_ak135f_continental</earthModelID><quality><usedPhaseCount>20</usedPhaseCount><associatedStationCount>14</associatedStationCount><usedStationCount>12</usedStationCount><azimuthalGap>177.37062547751964</azimuthalGap><maximumDistance>33.32363294790879</maximumDistance><minimumDistance>1.448548838688392</minimumDistance></quality><type>hypocenter</type><creationInfo><agencyID>gempa</agencyID><creationTime>2026-04-26T20:57:56.680734Z</creationTime></creationInfo></origin><focalMechanism publicID="FocalMechanism/20260426205756.680745.731446"><triggeringOriginID>Origin/20260426204738.24501.541331</triggeringOriginID><nodalPlanes><nodalPlane1><strike><value>255.08739837115363</value></strike><dip><value>75.67398091337844</value></dip><rake><value>-75.022426971902</value></rake></nodalPlane1><nodalPlane2><strike><value>27.85322915536823</value></strike><dip><value>20.611814447024535</value></dip><rake><value>-135.34126458964275</value></rake></nodalPlane2></nodalPlanes><principalAxes><tAxis><azimuth><value>333.0108982351236</value></azimuth><plunge><value>29.135515839739686</value></plunge><length><value>1.3678539991026281e+18</value></length></tAxis><pAxis><azimuth><value>184.5860159577364</value></azimuth><plunge><value>56.80462914581837</value></plunge><length><value>-1.5715170942919363e+18</value></length></pAxis><nAxis><azimuth><value>71.3000984963115</value></azimuth><plunge><value>14.501439070257428</value></plunge><length><value>2.0366309518930842e+17</value></length></nAxis></principalAxes><azimuthalGap>177.37062547751964</azimuthalGap><misfit>0.026722165638380924</misfit><evaluationMode>automatic</evaluationMode><creationInfo><agencyID>gempa</agencyID><creationTime>2026-04-26T20:57:56.680734Z</creationTime></creationInfo><momentTensor publicID="MomentTensor/20260426205756.680784.731449"><derivedOriginID>Origin/20260426205756.680767.731447</derivedOriginID><momentMagnitudeID>Magnitude/20260426205756.680775.731448</momentMagnitudeID><scalarMoment><value>1.4802312651837399e+18</value></scalarMoment><tensor><Mrr><value>-7.6343382224322291e+17</value></Mrr><Mtt><value>3.802403489289072e+17</value></Mtt><Mpp><value>3.8319347331431578e+17</value></Mpp><Mrt><value>1.2518720164563768e+18</value></Mrt><Mrp><value>1.5965844609410714e+17</value></Mrp><Mtp><value>4.0160260517971629e+17</value></Mtp></tensor><varianceReduction>0.9732778343616191</varianceReduction><doubleCouple>0.7408070253526948</doubleCouple><clvd>0.25919297464730517</clvd><greensFunctionID>sc3gf1d:/qseis_ak135f_continental</greensFunctionID><filterID>BP 40s-100s</filterID><creationInfo><agencyID>gempa</agencyID><creationTime>2026-04-26T20:57:56.680734Z</creationTime></creationInfo><dataUsed><waveType>body waves</waveType><stationCount>12</stationCount><componentCount>12</componentCount></dataUsed><dataUsed><waveType>surface waves</waveType><stationCount>8</stationCount><componentCount>8</componentCount></dataUsed></momentTensor></focalMechanism><event publicID="rs2026ifzioy"><preferredOriginID>Origin/20260426205910.953825.541849</preferredOriginID><preferredMagnitudeID>Origin/20260426205910.953825.541849/netMag/M</preferredMagnitudeID><preferredFocalMechanismID>FocalMechanism/20260426205756.680745.731446</preferredFocalMechanismID><creationInfo><agencyID>gempa</agencyID><creationTime>2026-04-26T20:33:10.554715Z</creationTime><modificationTime>2026-04-26T20:59:11.576832Z</modificationTime></creationInfo><description><text>Hokkaido, Japan Region</text><type>region name</type></description><originReference>Origin/20260426205910.953825.541849</originReference><focalMechanismReference>FocalMechanism/20260426205756.680745.731446</focalMechanismReference></event></EventParameters></seiscomp>
