Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.1 on date 01-02-2023 and time 10:44:46 (UTC) in region Philippines [Land]

A magnitude Mwp 6.1 earthquake occured in region: Philippines [Land], on

  • 01-02-2023 10:44:46 (UTC)
  • 01-02-2023 11:44:46 (UTC +01:00) Italian time
  • 01-02-2023 19:44:46 (UTC +09:00) local time in the region of the earthquake (Pacific/Palau)

and geographic coordinates (lat, lon) 7.6850, 126.1760 at 20 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 5.6
Mwp 6.1
Mwpd 6.2 		2023-02-01
10:44:46		 7.6852 126.176 20 2023-02-01
10:59:20		 Sala Sismica INGV-Roma 113955501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-01 10:44:46
Latitude 7.6852
Longitude 126.1760
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 113955501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8328
Semi-minor axis of confidence ellipse (meter) 3129
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 6733.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34.6313
Number of associated phases, regardless of their use for origin computation 79
Number of defining phases 79
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.65275
Epicentral distance of station closest to the epicenter (degree) 0.85374
Epicentral distance of station farthest from the epicenter (degree) 76.43593
Number of stations at which the event was observed 78
Number of stations from which data was used for origin computation 78
Magnitudes information

Mwpd:6.2

Field Value
Value 6.2
Uncertainty 0.1
Num. used stations 33
Type of magnitude Mwpd
Reference to an origin 113955501
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-01 10:59:20

Mwp:6.1

Field Value
Value 6.1
Uncertainty 0.1
Num. used stations 45
Type of magnitude Mwp
Reference to an origin 113955501
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-01 10:59:20

mb:5.6

Field Value
Value 5.6
Uncertainty 0.2
Num. used stations 62
Type of magnitude mb
Reference to an origin 113955501
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-01 10:59:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.POHA.BHZ.00 2023-02-01T10:56:37.87 10.0 positive automatic P 71 76.4359 3.40293 0.191579
G.KIP.BHZ.00 2023-02-01T10:56:23.77 10.0 positive automatic P 70 74.0378 3.42338 0.235045
IU.CASY.BHZ.00 2023-02-01T10:56:23.02 10.0 positive automatic P 186 74.8392 -1.96722 0.190225
AK.GAMB.BHZ. 2023-02-01T10:56:02.97 10.0 negative automatic P 24 71.0472 0.451046 0.25172
AT.AKUT.BHZ. 2023-02-01T10:56:02.86 10.0 positive automatic P 35 71.0081 0.579118 0.235334
AU.MCQ.BHZ.00 2023-02-01T10:55:45.03 10.0 positive automatic P 160 67.9733 1.49226 0.298109
G.ROCAM.BHZ.00 2023-02-01T10:55:43.55 10.0 positive automatic P 245 67.5984 2.37266 0.282902
IU.SNZO.BHZ.00 2023-02-01T10:55:31.85 10.0 negative automatic P 142 66.1241 0.0423006 0.332379
NZ.KHZ.HHZ.10 2023-02-01T10:55:31.87 10.0 positive automatic P 144 66.0827 0.342174 0.338627
IU.ADK.BHZ.00 2023-02-01T10:55:19.60 10.0 positive automatic P 35 64.0763 1.09088 0.350946
AT.SMY.BHZ. 2023-02-01T10:54:48.54 10.0 positive automatic P 31 59.4303 1.34331 0.400498
II.KURK.BHZ.00 2023-02-01T10:54:38.60 10.0 negative automatic P 327 58.1956 -0.0433394 0.43245
II.AAK.BHZ.00 2023-02-01T10:54:31.82 10.0 negative automatic P 317 57.1357 0.390832 0.453379
IU.FUNA.BHZ.00 2023-02-01T10:54:21.45 10.0 negative automatic P 106 55.2677 3.63626 0.481871
IU.MA2.BHZ.00 2023-02-01T10:54:16.27 10.0 negative automatic P 15 55.1331 -0.624016 0.461961
II.TAU.BHZ.00 2023-02-01T10:54:10.02 10.0 positive automatic P 161 54.1290 0.447724 0.476953
IU.MAKZ.BHZ.00 2023-02-01T10:54:10.90 10.0 negative automatic P 324 54.2803 0.138011 0.497282
IU.YAK.BHZ.00 2023-02-01T10:54:09.97 10.0 negative automatic P 2 54.4047 -1.60966 0.483808
ND.MARNC.BHZ.00 2023-02-01T10:53:42.75 10.0 positive automatic P 126 50.3619 1.18177 0.57451
ND.ONTNC.BHZ.00 2023-02-01T10:53:36.20 10.0 negative automatic P 128 49.5527 0.764765 0.561072
AU.TOO.BHZ.00 2023-02-01T10:53:29.58 10.0 negative automatic P 160 48.7191 0.437767 0.568315
AU.RIV.BHZ. 2023-02-01T10:53:24.92 10.0 negative automatic P 152 47.7947 3.02014 0.597427
G.CAN.BHZ.00 2023-02-01T10:53:24.60 10.0 negative automatic P 155 48.0841 0.338019 0.572279
ND.KOUNC.BHZ.00 2023-02-01T10:53:15.85 10.0 negative automatic P 128 46.9044 0.864702 0.591892
GE.HALK.BHZ. 2023-02-01T10:53:03.15 10.0 positive automatic P 271 45.1735 1.80344 0.650856
GE.MALK.BHZ. 2023-02-01T10:53:02.97 10.0 positive automatic P 274 45.1630 1.70729 0.635905
AU.ARMA.BHZ. 2023-02-01T10:53:02.67 10.0 positive automatic P 149 45.2536 0.512924 0.619896
IU.ULN.BHZ.00 2023-02-01T10:52:45.52 10.0 negative automatic P 341 43.3346 -1.36322 0.668455
IU.YSS.BHZ.00 2023-02-01T10:52:32.95 10.0 negative automatic P 17 41.7536 -0.830132 0.666267
IU.NWAO.BHZ.00 2023-02-01T10:52:29.35 10.0 positive automatic P 191 41.4920 -2.32983 0.71034
AU.FORT.BHZ.00 2023-02-01T10:52:05.18 10.0 positive automatic P 177 38.5048 -1.65744 0.795339
AU.QLP.BHZ. 2023-02-01T10:52:04.77 10.0 positive automatic P 154 38.4857 -1.91039 0.717025
AU.MORW.BHZ. 2023-02-01T10:52:00.05 10.0 positive automatic P 194 38.0268 -2.78821 0.717493
II.ERM.BHZ.00 2023-02-01T10:51:58.27 10.0 negative automatic P 21 37.4655 0.222621 0.760738
IN.SHL.HHZ. 2023-02-01T10:51:55.57 10.0 positive automatic P 303 37.2435 -0.583558 0.829027
JP.JTM.BHZ. 2023-02-01T10:51:42.05 10.0 positive automatic P 19 35.6588 -0.601485 0.833349
IU.CTAO.BHZ.00 2023-02-01T10:51:29.92 10.0 negative automatic P 145 34.0812 0.847622 0.8556
AU.GIRL.BHZ.00 2023-02-01T10:51:16.90 10.0 negative automatic P 201 32.5027 1.63682 0.909691
AU.WRKA.BHZ.00 2023-02-01T10:51:15.83 10.0 positive automatic P 176 32.7864 -2.00533 0.824189
IU.MAJO.BHZ.00 2023-02-01T10:50:58.42 10.0 negative automatic P 19 30.8704 -2.54134 0.933712
JP.JGF.BHZ. 2023-02-01T10:50:49.20 10.0 negative automatic P 19 29.7341 -1.74458 0.909091
GE.LHMI.BHZ. 2023-02-01T10:50:47.27 10.0 negative automatic P 267 29.1392 1.69931 0.909091
IU.MBWA.BHZ.00 2023-02-01T10:50:46.37 10.0 positive automatic P 192 29.5290 -2.69201 0.97561
GE.GSI.BHZ. 2023-02-01T10:50:46.12 10.0 positive automatic P 259 29.1999 -0.00621657 0.869565
G.INU.BHZ.00 2023-02-01T10:50:46.41 10.0 negative automatic P 18 29.3979 -1.47454 0.909091
JP.JSG.BHZ. 2023-02-01T10:50:45.60 10.0 positive automatic P 21 29.1619 -0.190397 0.952381
AU.RABL.BHZ.00 2023-02-01T10:50:43.68 10.0 positive automatic P 114 28.5179 3.57672 0.930233
IU.CHTO.BHZ.00 2023-02-01T10:50:42.07 10.0 negative automatic P 296 28.6893 0.421781 0.91954
II.WRAB.BHZ.00 2023-02-01T10:50:40.30 10.0 positive automatic P 164 28.7681 -2.04518 0.97561
GE.PMG.BHZ.00 2023-02-01T10:50:26.82 10.0 negative automatic P 129 26.9973 0.36234 0.952381
JP.JTU.BHZ. 2023-02-01T10:50:26.50 10.0 positive automatic P 6 27.0043 -0.0206361 0.930233
JP.JMN.BHZ. 2023-02-01T10:50:25.60 10.0 negative automatic P 14 26.9988 -0.953713 0.930233
GE.MNAI.BHZ. 2023-02-01T10:50:18.42 10.0 positive automatic P 243 26.1104 -0.0514958 0.43956
RM.SLV.BHZ. 2023-02-01T10:50:14.67 10.0 negative automatic P 305 25.4514 2.08396 0.909091
MY.KUM.BHZ. 2023-02-01T10:50:13.12 10.0 positive automatic P 266 25.4702 0.459362 0.952381
JP.JSU.BHZ. 2023-02-01T10:49:58.70 10.0 negative automatic P 9 24.1546 -2.0355 0.909091
MY.KOM.BHZ. 2023-02-01T10:49:51.47 10.0 positive automatic P 256 23.0082 1.92789 0.8
GE.SMRI.BHZ. 2023-02-01T10:49:34.22 10.0 positive automatic P 227 21.5239 0.463692 0.43956
AU.KDU.BHZ.00 2023-02-01T10:49:31.08 10.0 positive automatic P 163 21.3105 -0.363099 0.987654
AU.MTN.BHZ.00 2023-02-01T10:49:28.73 10.0 positive automatic P 166 21.1104 -0.576282 0.963855
GE.JAGI.BHZ. 2023-02-01T10:49:16.77 10.0 positive automatic P 217 20.1137 -1.73661 0.851064
JP.JOW.BHZ. 2023-02-01T10:49:09.95 10.0 negative automatic P 6 19.2532 0.831145 0.930233
JP.JMZ.BHZ. 2023-02-01T10:49:05.05 10.0 positive automatic P 14 18.7603 1.362 0.869565
RM.DLV.BHZ. 2023-02-01T10:48:56.42 10.0 positive automatic P 285 17.9426 2.01473 0.784314
IU.TATO.BHZ.00 2023-02-01T10:48:50.82 10.0 negative automatic P 346 17.8556 -2.33678 0
GE.GENI.BHZ. 2023-02-01T10:48:49.02 10.0 negative automatic P 126 17.3340 2.3424 0.833333
GE.SOEI.BHZ. 2023-02-01T10:48:49.02 10.0 positive automatic P 186 17.5429 -0.42726 0.952381
JP.YOJ.BHZ. 2023-02-01T10:48:42.20 10.0 negative automatic P 350 17.0521 -0.955657 0.833333
GE.MMRI.BHZ. 2023-02-01T10:48:37.27 10.0 positive automatic P 194 16.7854 -2.55292 0.784314
GE.SAUI.BHZ. 2023-02-01T10:48:34.67 10.0 positive automatic P 162 16.4784 -1.26704 0.869565
II.KAPI.BHZ.00 2023-02-01T10:48:05.37 10.0 negative automatic P 207 14.2244 -0.8854 0.952381
GE.BNDI.BHZ. 2023-02-01T10:47:47.72 10.0 positive automatic P 163 12.7612 1.48532 0.769231
GE.BKB.BHZ. 2023-02-01T10:47:46.72 10.0 positive automatic P 227 12.7589 0.500852 0.43956
GE.FAKI.BHZ. 2023-02-01T10:47:40.67 10.0 negative automatic P 150 12.2129 1.91192 0.888889
GE.SANI.BHZ. 2023-02-01T10:47:01.87 10.0 positive automatic P 181 9.7361 -2.97664 0.909091
GE.LUWI.BHZ. 2023-02-01T10:46:59.92 10.0 positive automatic P 201 9.3637 0.180375 0.615385
GE.TNTI.BHZ. 2023-02-01T10:46:29.22 10.0 positive automatic P 170 7.0142 1.71136 0.909091
IU.DAV.BHZ.00 2023-02-01T10:45:02.30 10.0 positive automatic P 224 0.8537 0.233254 0.97561
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