Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.6 on date 09-12-2022 and time 21:01:57 (Italy) in region Philippines [Sea]

A magnitude Mwp 5.6 earthquake occured in region: Philippines [Sea], on

  • 09-12-2022 20:01:57 (UTC)
  • 09-12-2022 21:01:57 (UTC +01:00) Italian time
  • 10-12-2022 05:01:57 (UTC +09:00) local time in the region of the earthquake (Pacific/Palau)

and geographic coordinates (lat, lon) 6.4230, 126.3270 at 75 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		mb 5.5
Mwp 5.6
Mwpd 5.9 		2022-12-09
20:01:57		 6.4231 126.327 75 2022-12-09
20:16:20		 Sala Sismica INGV-Roma 112675691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-09 20:01:57
Latitude 6.4231
Longitude 126.3270
Depth (km) 75 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 112675691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6318
Semi-minor axis of confidence ellipse (meter) 3311
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 5512.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100.59
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 60
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.48627
Epicentral distance of station closest to the epicenter (degree) 0.98470
Epicentral distance of station farthest from the epicenter (degree) 65.22763
Number of stations at which the event was observed 56
Number of stations from which data was used for origin computation 56
Magnitudes information

Mwp:5.6

Field Value
Value 5.6
Uncertainty 0.1
Num. used stations 17
Type of magnitude Mwp
Reference to an origin 112675691
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-12-09 20:16:20

Mwpd:5.9

Field Value
Value 5.9
Uncertainty 0.1
Num. used stations 7
Type of magnitude Mwpd
Reference to an origin 112675691
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-12-09 20:16:20

mb:5.5

Field Value
Value 5.5
Uncertainty 0.2
Num. used stations 40
Type of magnitude mb
Reference to an origin 112675691
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-12-09 20:16:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
NZ.ODZ.HHZ.10 2022-12-09T20:12:30.38 10.0 negative automatic P 147 64.9607 2.12274 0.351773
IU.TIXI.BHZ.00 2022-12-09T20:12:29.27 10.0 positive automatic P 1 65.2276 -0.677227 0
NZ.KHZ.HHZ.10 2022-12-09T20:12:28.61 10.0 positive automatic P 143 64.9798 0.264838 0.349811
NZ.OUZ.HHZ.10 2022-12-09T20:12:04.15 10.0 positive automatic P 137 60.8965 2.88641 0
II.KURK.BHZ.00 2022-12-09T20:11:49.22 10.0 positive automatic P 327 59.3342 -1.38727 0.411099
II.AAK.BHZ.00 2022-12-09T20:11:41.87 10.0 positive automatic P 317 58.1590 -0.839079 0.418154
IU.MA2.BHZ.00 2022-12-09T20:11:29.77 10.0 positive automatic P 15 56.3154 0.273195 0.465708
AU.FITZ.BHZ. 2022-12-09T20:11:21.85 10.0 positive automatic S 182 24.5333 -1.9154 0
IU.YAK.BHZ.00 2022-12-09T20:11:24.07 10.0 negative automatic P 2 55.6608 -0.716313 0.44401
II.TAU.BHZ.00 2022-12-09T20:11:06.72 10.0 negative automatic P 161 52.8875 2.07174 0.484731
ND.MARNC.BHZ.00 2022-12-09T20:10:41.80 10.0 positive automatic P 126 49.5005 2.51149 0.561852
ND.ONTNC.BHZ.00 2022-12-09T20:10:34.70 10.0 negative automatic P 127 48.6605 1.8144 0.538267
AU.TOO.BHZ.00 2022-12-09T20:10:25.20 10.0 positive automatic P 159 47.4846 1.29868 0.624716
G.CAN.BHZ.00 2022-12-09T20:10:20.75 10.0 positive automatic P 154 46.8792 1.5356 0.606005
G.SANVU.BHZ.00 2022-12-09T20:10:14.60 10.0 negative automatic P 119 46.0154 2.25943 0.513454
ND.KOUNC.BHZ.00 2022-12-09T20:10:14.40 10.0 positive automatic P 127 46.0210 2.0103 0.593232
GE.MALK.BHZ. 2022-12-09T20:10:09.07 10.0 positive automatic P 275 45.4191 1.41882 0.646354
IU.ULN.BHZ.00 2022-12-09T20:10:00.72 10.0 positive automatic P 342 44.5789 -0.529445 0.66151
AU.ARMA.BHZ. 2022-12-09T20:09:58.57 10.0 negative automatic P 148 44.1012 1.21857 0.686553
IO.EVN.BHZ. 2022-12-09T20:09:50.05 10.0 negative automatic P 305 43.1464 -0.304101 0.320953
IU.YSS.BHZ.00 2022-12-09T20:09:47.05 10.0 positive automatic P 16 42.9190 -0.633909 0.69197
JP.JKA.BHZ. 2022-12-09T20:09:26.60 10.0 positive automatic sP 20 37.6048 -3.25853 0
IU.NWAO.BHZ.00 2022-12-09T20:09:24.90 10.0 positive automatic P 192 40.2858 -1.31265 0.741694
AU.EIDS.BHZ. 2022-12-09T20:09:23.22 10.0 negative automatic P 144 39.8722 0.463113 0.74966
AU.QLP.BHZ. 2022-12-09T20:09:00.75 10.0 positive automatic P 153 37.2910 -0.397418 0.755382
AU.FORT.BHZ.00 2022-12-09T20:08:59.70 10.0 positive automatic P 178 37.2374 -0.9784 0.791987
AU.MORW.BHZ. 2022-12-09T20:08:55.47 10.0 positive automatic P 195 36.8447 -1.90387 0.819026
IU.CTAO.BHZ.00 2022-12-09T20:08:25.77 10.0 negative automatic P 144 32.9673 1.75293 0.839013
IU.MAJO.BHZ.00 2022-12-09T20:08:13.37 10.0 positive automatic P 18 32.0187 -2.35884 0.829974
AU.WRKA.BHZ.00 2022-12-09T20:08:10.38 10.0 positive automatic P 177 31.5175 -0.990663 0.930791
AU.GIRL.BHZ.00 2022-12-09T20:08:09.40 10.0 positive automatic P 202 31.3813 -0.679096 0.922626
JP.JGF.BHZ. 2022-12-09T20:08:03.75 10.0 negative automatic P 18 30.8873 -2.06269 0.783923
G.INU.BHZ.00 2022-12-09T20:08:01.46 10.0 positive automatic P 17 30.5540 -1.3359 0.858662
GE.LHMI.BHZ. 2022-12-09T20:07:52.77 10.0 negative automatic P 269 29.2472 1.54793 0.909091
GE.GSI.BHZ. 2022-12-09T20:07:49.12 10.0 negative automatic P 261 29.1271 -1.05466 0.930233
JP.JMN.BHZ. 2022-12-09T20:07:41.55 10.0 negative automatic P 13 28.1888 -0.372688 0.909091
IU.MBWA.BHZ.00 2022-12-09T20:07:41.35 10.0 positive automatic P 193 28.3305 -1.77716 0.97561
JP.JSU.BHZ. 2022-12-09T20:07:28.85 10.0 positive automatic pP 8 25.3802 -5.17367 0
RM.SLV.BHZ. 2022-12-09T20:07:26.72 10.0 positive automatic P 307 26.3106 1.5968 0.952381
GE.MNAI.BHZ. 2022-12-09T20:07:19.67 10.0 negative automatic P 246 25.7030 0.114247 0.888889
MY.IPM.BHZ. 2022-12-09T20:07:15.42 10.0 positive automatic P 267 25.2577 -0.113739 0.909091
MY.KOM.BHZ. 2022-12-09T20:06:53.37 10.0 positive automatic P 259 22.8879 -0.358954 0.833333
GE.SMRI.BHZ. 2022-12-09T20:06:30.77 10.0 positive automatic P 230 20.8006 -0.789539 0.43956
JP.JOW.BHZ. 2022-12-09T20:06:28.50 10.0 negative automatic P 5 20.4959 0.216543 0.888889
AU.MTN.BHZ.00 2022-12-09T20:06:20.90 10.0 positive automatic P 166 19.8487 -0.367395 0.930233
RM.DLV.BHZ. 2022-12-09T20:06:09.32 10.0 negative automatic P 289 18.4542 3.08803 0.909091
GE.SOEI.BHZ. 2022-12-09T20:05:40.32 10.0 positive automatic P 187 16.3073 -0.536026 0.30303
GE.MMRI.BHZ. 2022-12-09T20:05:29.37 10.0 positive automatic P 195 15.6001 -2.44838 0.930233
GE.SAUI.BHZ. 2022-12-09T20:05:25.37 10.0 positive automatic P 161 15.2344 -1.79399 0.888889
II.KAPI.BHZ.00 2022-12-09T20:04:59.67 10.0 positive automatic P 210 13.1863 -0.829719 0.869565
GE.BKB.BHZ. 2022-12-09T20:04:47.17 10.0 positive automatic P 232 12.0479 2.09082 0.930233
GE.BNDI.BHZ. 2022-12-09T20:04:37.82 10.0 positive automatic P 162 11.5129 0.0377056 0.930233
GE.FAKI.BHZ. 2022-12-09T20:04:32.77 10.0 positive automatic P 147 11.0556 1.20239 0.851064
GE.LUWI.BHZ. 2022-12-09T20:03:53.42 10.0 positive automatic P 206 8.2651 -0.053778 0.869565
GE.TNTI.BHZ. 2022-12-09T20:03:19.02 10.0 positive automatic P 170 5.7454 -0.0423161 0.930233
IU.DAV.BHZ.00 2022-12-09T20:02:13.92 10.0 positive automatic P 311 0.9847 -1.04025 0.963855
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download