<?xml version="1.0" encoding="UTF-8"?>
<seiscomp xmlns="http://geofon.gfz-potsdam.de/ns/seiscomp3-schema/0.13" version="0.13"><EventParameters><origin publicID="Origin/20250919062044.792425.4545615"><time><value>2025-09-19T00:22:37.184454Z</value><uncertainty>0.19508631527423859</uncertainty></time><latitude><value>52.97491073608398</value><uncertainty>3.92071533203125</uncertainty></latitude><longitude><value>160.83482360839844</value><uncertainty>1.86726713180542</uncertainty></longitude><depth><value>10</value><uncertainty>0</uncertainty></depth><methodID>LOCSAT</methodID><earthModelID>iasp91</earthModelID><quality><associatedPhaseCount>129</associatedPhaseCount><usedPhaseCount>101</usedPhaseCount><associatedStationCount>129</associatedStationCount><usedStationCount>101</usedStationCount><standardError>1.028214439181917</standardError><azimuthalGap>117.7661895751953</azimuthalGap><maximumDistance>86.59481811523438</maximumDistance><minimumDistance>1.3157861232757568</minimumDistance><medianDistance>26.62118911743164</medianDistance></quality><evaluationMode>automatic</evaluationMode><evaluationStatus>confirmed</evaluationStatus><creationInfo><agencyID>AK</agencyID><creationTime>2025-09-19T06:20:44.793017Z</creationTime><modificationTime>2025-09-19T06:20:44.932248Z</modificationTime></creationInfo><comment><text>minPhaseConfirm</text><id>scevalMethod</id><creationInfo><creationTime>2025-09-19T06:20:44.932201Z</creationTime></creationInfo></comment><magnitude publicID="Origin/20250919062044.792425.4545615/netMag/M"><magnitude><value>5.084556686075386</value></magnitude><type>M</type><methodID>weighted average</methodID><stationCount>76</stationCount><creationInfo><agencyID>AK</agencyID><creationTime>2025-09-19T06:20:44.972716Z</creationTime></creationInfo></magnitude></origin><origin publicID="Origin/20250919011113.404588.364080"><time><value>2025-09-19T00:22:40.920437Z</value></time><latitude><value>52.96694183349609</value></latitude><longitude><value>160.85104370117188</value></longitude><depth><value>54</value></depth><depthType>from moment tensor inversion</depthType><methodID>FocalMechanism</methodID><earthModelID>gemini-prem</earthModelID><quality><usedPhaseCount>9</usedPhaseCount><associatedStationCount>72</associatedStationCount><usedStationCount>6</usedStationCount><azimuthalGap>162.15272712416763</azimuthalGap><maximumDistance>23.37953447100093</maximumDistance><minimumDistance>11.54441353465014</minimumDistance></quality><type>hypocenter</type><creationInfo><agencyID>AK</agencyID><creationTime>2025-09-19T01:11:13.404247Z</creationTime></creationInfo></origin><focalMechanism publicID="FocalMechanism/20250919011113.404426.364079"><triggeringOriginID>Origin/20250919004600.013039.914912</triggeringOriginID><nodalPlanes><nodalPlane1><strike><value>55.92808652534844</value></strike><dip><value>69.76913680348238</value></dip><rake><value>-126.2916229460668</value></rake></nodalPlane1><nodalPlane2><strike><value>300.71238952701123</value></strike><dip><value>40.86184914375901</value></dip><rake><value>-31.908208623657703</value></rake></nodalPlane2></nodalPlanes><principalAxes><tAxis><azimuth><value>171.8637880398938</value></azimuth><plunge><value>16.873351260423448</value></plunge><length><value>2.7560860009301235e+17</value></length></tAxis><pAxis><azimuth><value>284.02402165347894</value></azimuth><plunge><value>51.19629065585486</value></plunge><length><value>-2.2825609256828387e+17</value></length></pAxis><nAxis><azimuth><value>70.17661060380982</value></azimuth><plunge><value>33.736855967223867</value></plunge><length><value>-47352507524728536</value></length></nAxis></principalAxes><azimuthalGap>162.15272712416763</azimuthalGap><misfit>0.35735952471238486</misfit><evaluationMode>automatic</evaluationMode><creationInfo><agencyID>AK</agencyID><creationTime>2025-09-19T01:11:13.404247Z</creationTime></creationInfo><momentTensor publicID="MomentTensor/20250919011113.404717.364082"><derivedOriginID>Origin/20250919011113.404588.364080</derivedOriginID><momentMagnitudeID>Magnitude/20250919011113.404648.364081</momentMagnitudeID><scalarMoment><value>2.5524811870868944e+17</value></scalarMoment><tensor><Mrr><value>-1.3000683924023186e+17</value></Mrr><Mtt><value>2.383038139961777e+17</value></Mtt><Mpp><value>-1.0829697475594586e+17</value></Mpp><Mrt><value>-1.1021146758075408e+17</value></Mrt><Mrp><value>-98406924219543328</value></Mrp><Mtp><value>24733608831820484</value></Mtp></tensor><varianceReduction>0.6426404752876151</varianceReduction><doubleCouple>0.6563785926219429</doubleCouple><clvd>0.3436214073780572</clvd><greensFunctionID>sc3gf1d:/gemini-prem</greensFunctionID><filterID>BP 20s-50s</filterID><creationInfo><agencyID>AK</agencyID><creationTime>2025-09-19T01:11:13.404247Z</creationTime></creationInfo><dataUsed><waveType>body waves</waveType><stationCount>5</stationCount><componentCount>6</componentCount></dataUsed><dataUsed><waveType>surface waves</waveType><stationCount>2</stationCount><componentCount>3</componentCount></dataUsed></momentTensor></focalMechanism><event publicID="ak2025sldhfo"><preferredOriginID>Origin/20250919062044.792425.4545615</preferredOriginID><preferredMagnitudeID>Origin/20250919062044.792425.4545615/netMag/M</preferredMagnitudeID><preferredFocalMechanismID>FocalMechanism/20250919011113.404426.364079</preferredFocalMechanismID><creationInfo><agencyID>AK</agencyID><creationTime>2025-09-19T00:28:07.489678Z</creationTime><modificationTime>2025-09-19T06:20:45.352571Z</modificationTime></creationInfo><description><text>Off East Coast of Kamchatka</text><type>region name</type></description><originReference>Origin/20250919062044.792425.4545615</originReference><focalMechanismReference>FocalMechanism/20250919011113.404426.364079</focalMechanismReference></event></EventParameters></seiscomp>
