Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.8 on date 04-10-2023 and time 03:35:11 (UTC) in region Philippines [Sea]

A magnitude Mwp 5.8 earthquake occured in region: Philippines [Sea], on

  • 04-10-2023 03:35:11 (UTC)
  • 04-10-2023 05:35:11 (UTC +02:00) Italian time
  • 04-10-2023 11:35:11 (UTC +08:00) local time in the region of the earthquake (Asia/Manila)

and geographic coordinates (lat, lon) 19.0340, 121.3990 at 15 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5.3
Mwp 5.8
Mwpd 6.0 		2023-10-04
03:35:11		 19.0336 121.399 15 2023-10-04
03:50:17		 Sala Sismica INGV-Roma 121733691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-04 03:35:11
Latitude 19.0336
Longitude 121.3990
Depth (km) 15 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 121733691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 17258887
Semi-minor axis of confidence ellipse (meter) 10110753
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 14015400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56.5905
Number of associated phases, regardless of their use for origin computation 101
Number of defining phases 101
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.07889
Epicentral distance of station closest to the epicenter (degree) 5.63576
Epicentral distance of station farthest from the epicenter (degree) 86.43039
Number of stations at which the event was observed 101
Number of stations from which data was used for origin computation 101
Magnitudes information

Mwp:5.8

Field Value
Value 5.8
Uncertainty 0.1
Num. used stations 28
Type of magnitude Mwp
Reference to an origin 121733691
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-10-04 03:50:17

Mwpd:6.0

Field Value
Value 6.0
Uncertainty 0.1
Num. used stations 27
Type of magnitude Mwpd
Reference to an origin 121733691
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-10-04 03:50:17

mb:5.3

Field Value
Value 5.3
Uncertainty 0.1
Num. used stations 73
Type of magnitude mb
Reference to an origin 121733691
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-10-04 03:50:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2023-10-04T03:47:50.09 10.0 positive automatic P 309 9593.7744 -1.27174 0.0579306
MN.PDG.BHZ. 2023-10-04T03:47:47.72 10.0 positive automatic P 314 9522.8787 -0.687621 0.0388243
HU.KOVH.BHZ. 2023-10-04T03:47:44.00 10.0 positive automatic P 317 9453.9144 -0.0965858 0.107902
MN.DIVS.BHZ. 2023-10-04T03:47:42.47 10.0 positive automatic P 315 9399.3468 -0.50432 0.116775
IU.KONO.BHZ.00 2023-10-04T03:47:40.27 10.0 positive automatic P 332 9326.775 0.339477 0.122886
GE.MORC.BHZ. 2023-10-04T03:47:40.00 10.0 positive automatic P 321 9334.5783 -0.46269 0.11571
MN.BZS.BHZ. 2023-10-04T03:47:34.87 10.0 positive automatic P 316 9218.0949 0.596324 0.121412
HL.RDO.HHZ. 2023-10-04T03:47:27.39 10.0 positive automatic P 311 9084.3621 -1.07306 0.12799
GE.DAG.BHZ. 2023-10-04T03:47:23.67 10.0 positive automatic P 351 9021.5805 -0.782834 0.0394977
AT.SKAG.BHZ. 2023-10-04T03:47:20.02 10.0 positive automatic P 30 8899.2807 -0.194285 0.13337
CN.PAULN.BHZ. 2023-10-04T03:47:19.75 10.0 positive automatic P 19 8924.2224 -0.512366 0.00773113
KO.ELL.HHZ. 2023-10-04T03:47:17.28 10.0 positive automatic P 306 8868.1674 -0.466454 0.125354
GE.ISP.BHZ.00 2023-10-04T03:47:12.50 10.0 positive automatic P 306 8783.6409 -0.762436 0.140245
GE.TIRR.BHZ. 2023-10-04T03:47:11.87 10.0 positive automatic P 313 8752.7052 -0.264827 0.115815
KO.MDUB.HHZ. 2023-10-04T03:47:09.65 10.0 positive automatic P 309 8649.5751 2.73199 0.143229
GE.EIL.BHZ. 2023-10-04T03:47:06.25 10.0 positive automatic P 297 8628.9069 -0.130405 0.138561
KO.HDMB.HHZ. 2023-10-04T03:47:06.04 10.0 positive automatic P 305 8641.2501 -0.605616 0.136264
GE.CSS.BHZ. 2023-10-04T03:47:05.50 10.0 positive automatic P 303 8624.5446 -0.414396 0.142004
CN.EAGLY.BHZ. 2023-10-04T03:47:02.38 10.0 positive automatic P 24 8573.9619 -0.670991 0.0462433
IU.ANTO.BHZ.00 2023-10-04T03:47:00.92 10.0 positive automatic P 308 8535.1452 -0.759213 0.132386
IU.KIEV.BHZ.00 2023-10-04T03:46:58.72 10.0 positive automatic P 319 8515.92 -1.28276 0.139029
GE.VSU.BHZ. 2023-10-04T03:46:57.70 10.0 positive automatic P 328 8462.9841 0.31542 0.126409
US.EGAK.BHZ.00 2023-10-04T03:46:54.73 10.0 positive automatic P 26 8429.5842 -0.891377 0.0354732
CN.CROWY.BHZ. 2023-10-04T03:46:53.88 10.0 positive automatic P 23 8402.9664 -0.415178 0.147833
KO.BNN.HHZ. 2023-10-04T03:46:49.51 10.0 positive automatic P 306 8305.7859 0.115835 0.155333
KO.GAZ.HHZ. 2023-10-04T03:46:45.37 10.0 positive automatic P 305 8229.0294 0.0612254 0.154512
NZ.OUZ.HHZ.10 2023-10-04T03:46:44.37 10.0 positive automatic P 138 8149.7088 1.94707 0.0260105
IU.KEV.BHZ.00 2023-10-04T03:46:42.27 10.0 positive automatic P 339 8178.7242 -0.195711 0.154237
IU.COLA.BHZ.00 2023-10-04T03:46:38.27 10.0 positive automatic P 26 8117.874 -1.14925 0.1584
II.KDAK.BHZ.00 2023-10-04T03:46:31.10 10.0 positive automatic P 34 7978.9686 -1.18523 0.163963
II.LVZ.BHZ.00 2023-10-04T03:46:28.12 10.0 positive automatic P 337 7902.3675 0.692504 0.16146
KO.GURO.HHZ. 2023-10-04T03:46:21.99 10.0 positive automatic P 305 7785.6177 0.524667 0.0879679
KO.SIRT.HHZ. 2023-10-04T03:46:20.83 10.0 positive automatic P 304 7768.7457 0.355158 0.16335
II.KIV.BHZ.00 2023-10-04T03:46:14.22 10.0 positive automatic P 311 7650.5418 -0.309672 0.180469
IU.GNI.BHZ.00 2023-10-04T03:46:08.32 10.0 positive automatic P 307 7531.0947 -0.284096 0.150424
II.MSVF.BHZ.00 2023-10-04T03:46:03.10 10.0 positive automatic P 120 7403.5335 1.19522 0.188232
II.TAU.BHZ.00 2023-10-04T03:45:59.17 10.0 positive automatic P 160 7367.7582 1.65768 0.170266
AK.GAMB.BHZ. 2023-10-04T03:45:34.51 10.0 positive automatic P 27 6975.0402 -0.449143 0.221338
AU.TOO.BHZ.00 2023-10-04T03:45:22.60 10.0 positive automatic P 158 6768.2805 0.496422 0.233371
G.CAN.BHZ.00 2023-10-04T03:45:18.90 10.0 positive automatic P 154 6696.0639 0.732014 0.235594
II.ARTI.BHZ.00 2023-10-04T03:45:10.47 10.0 positive automatic P 325 6592.9893 -0.765827 0.226818
IU.BILL.BHZ.00 2023-10-04T03:44:49.25 10.0 positive automatic P 18 6270.9228 -1.0944 0.265467
AU.HTT.BHZ.00 2023-10-04T03:44:40.58 10.0 positive automatic P 162 6111.9375 -0.0956999 0.286195
AU.EIDS.BHZ. 2023-10-04T03:44:26.27 10.0 positive automatic P 146 5878.4379 1.34207 0.302107
IU.TIXI.BHZ.00 2023-10-04T03:44:21.30 10.0 positive automatic P 3 5858.6022 -1.82897 0.287259
IU.NWAO.BHZ.00 2023-10-04T03:44:17.47 10.0 positive automatic P 184 5784.3099 -0.75071 0.315736
II.BORK.BHZ.00 2023-10-04T03:44:17.22 10.0 positive automatic P 324 5755.794 0.174665 0.315121
II.JZAX.BHZ.00 2023-10-04T03:44:05.50 10.0 positive automatic P 307 5586.963 -0.154109 0.30901
AU.FORT.BHZ.00 2023-10-04T03:44:03.03 10.0 positive automatic P 173 5574.4422 -1.70735 0.348253
AU.MORW.BHZ. 2023-10-04T03:43:48.00 10.0 positive automatic P 186 5369.8137 -0.949955 0.370785
IU.CTAO.BHZ.00 2023-10-04T03:43:34.92 10.0 positive automatic P 147 5115.4128 2.18996 0.389804
II.KURK.BHZ.00 2023-10-04T03:43:33.65 10.0 positive automatic P 323 5131.419 0.234788 0.382974
II.AAK.BHZ.00 2023-10-04T03:43:32.52 10.0 positive automatic P 312 5093.6235 0.665025 0.40719
IU.MA2.BHZ.00 2023-10-04T03:43:29.72 10.0 positive automatic P 20 5072.6556 0.26476 0.391901
IU.PET.BHZ.00 2023-10-04T03:43:20.50 10.0 positive automatic P 31 4940.3103 0.304803 0.367274
AU.WRKA.BHZ.00 2023-10-04T03:43:18.83 10.0 positive automatic P 171 4948.0914 -2.07175 0.402732
IU.MAKZ.BHZ.00 2023-10-04T03:43:03.95 10.0 positive automatic P 320 4714.3809 0.423471 0.354091
AU.GIRL.BHZ.00 2023-10-04T03:43:01.80 10.0 positive automatic P 190 4690.6824 -0.297777 0.469
GE.HALK.BHZ. 2023-10-04T03:42:58.10 10.0 positive automatic P 257 4624.7151 0.10632 0.482481
GE.MALK.BHZ. 2023-10-04T03:42:52.32 10.0 positive automatic P 261 4548.3693 0.273878 0.498816
IU.MBWA.BHZ.00 2023-10-04T03:42:43.27 10.0 positive automatic P 182 4464.8529 -1.67037 0.458952
II.TLY.BHZ.00 2023-10-04T03:42:04.72 10.0 positive automatic P 341 3940.5999 -1.03359 0.621257
AU.KDU.BHZ.00 2023-10-04T03:41:46.13 10.0 positive automatic P 160 3723.3396 -2.41465 0.242509
AU.MTN.BHZ.00 2023-10-04T03:41:44.50 10.0 positive automatic P 163 3694.9125 -1.82194 0.257983
IO.EVN.BHZ. 2023-10-04T03:41:43.45 10.0 positive automatic P 292 3643.5639 0.331685 0.742865
IU.YSS.BHZ.00 2023-10-04T03:41:42.55 10.0 positive automatic P 27 3656.2401 -0.295891 0.510726
IU.ULN.BHZ.00 2023-10-04T03:41:26.67 10.0 positive automatic P 341 3451.9557 -0.438531 0.827647
JP.JKA.BHZ. 2023-10-04T03:41:22.90 10.0 positive automatic P 31 3408.5103 -0.775186 0.830431
GE.GSI.BHZ. 2023-10-04T03:41:09.52 10.0 positive automatic P 236 3253.3323 -0.994108 0.714286
GE.JAGI.BHZ. 2023-10-04T03:41:03.42 10.0 positive automatic P 195 3154.0872 0.160493 0.952381
GE.SMRI.BHZ. 2023-10-04T03:41:03.22 10.0 positive automatic P 204 3133.4301 0.308691 0.952381
JP.JTM.BHZ. 2023-10-04T03:40:53.30 10.0 positive automatic P 33 3052.1781 -1.21932 0.623644
PS.PSI.BHZ. 2023-10-04T03:40:53.66 10.0 positive automatic P 236 3040.2678 -0.00602043 1.14791
GE.BNDI.BHZ. 2023-10-04T03:40:32.17 10.0 positive automatic P 160 2774.9223 -0.906559 0.740741
MY.IPM.BHZ. 2023-10-04T03:40:29.02 10.0 positive automatic P 236 2734.7625 -0.0646933 1.35692
MY.KOM.BHZ. 2023-10-04T03:40:27.02 10.0 positive automatic P 227 2702.2506 -0.0558654 1.21934
MY.KUM.BHZ. 2023-10-04T03:40:27.87 10.0 positive automatic P 238 2713.9611 0.157938 1.26714
GE.FAKI.BHZ. 2023-10-04T03:40:26.92 10.0 positive automatic P 153 2709.3435 -0.449803 0.84718
II.KAPI.BHZ.00 2023-10-04T03:40:24.07 10.0 positive automatic P 184 2675.2443 -0.81521 0.97561
JP.JHJ2.BHZ. 2023-10-04T03:40:01.75 10.0 positive automatic P 46 2403.8937 1.89616 0.930233
JP.JSG.BHZ. 2023-10-04T03:40:00.90 10.0 positive automatic P 40 2396.4345 0.899644 0.43956
JP.JGF.BHZ. 2023-10-04T03:40:00.35 10.0 positive automatic P 37 2413.2732 0.0943621 1.16726
G.INU.BHZ.00 2023-10-04T03:39:56.91 10.0 positive automatic P 37 2372.5695 0.515421 0.930233
IU.CHTO.BHZ.00 2023-10-04T03:39:55.32 10.0 positive automatic P 273 2356.1526 0.573915 1.01422
GE.SANI.BHZ. 2023-10-04T03:39:54.77 10.0 positive automatic P 167 2393.1045 -2.76209 0.446158
JP.JCJ.BHZ. 2023-10-04T03:39:51.15 10.0 positive automatic P 63 2299.4316 2.07423 0.930233
PS.OGS.BHZ. 2023-10-04T03:39:50.91 10.0 positive automatic P 63 2299.809 1.72506 0.888889
GE.BKB.BHZ. 2023-10-04T03:39:50.67 10.0 positive automatic P 193 2288.6091 0.0741567 0.523977
GE.LUWI.BHZ. 2023-10-04T03:39:42.57 10.0 positive automatic P 176 2233.2867 -0.625962 0.170197
GE.TNTI.BHZ. 2023-10-04T03:39:35.02 10.0 positive automatic P 162 2128.4916 2.04306 0.869565
IU.INCN.BHZ.00 2023-10-04T03:39:30.77 10.0 positive automatic P 13 2108.9778 -0.77838 1.35963
MY.SBM.BHZ. 2023-10-04T03:39:30.57 10.0 positive automatic P 210 2093.4045 0.666088 1.43922
JP.JMN.BHZ. 2023-10-04T03:39:22.65 10.0 positive automatic P 35 2045.6967 -2.25216 0.984056
PS.TJN.BHZ. 2023-10-04T03:39:19.26 10.0 positive automatic P 16 2011.1091 -1.19739 1.21494
JP.JTU.BHZ. 2023-10-04T03:39:07.45 10.0 positive automatic P 23 1891.7064 -0.409222 0.888889
JP.JSU.BHZ. 2023-10-04T03:38:39.80 10.0 positive automatic P 31 1654.566 -0.23045 0.909091
RM.DLV.BHZ. 2023-10-04T03:38:34.17 10.0 positive automatic P 242 1588.4766 1.46703 0.888889
JP.JOW.BHZ. 2023-10-04T03:37:33.95 10.0 positive automatic P 38 1114.6509 0.199499 0.869565
PS.ISG.BHZ. 2023-10-04T03:36:37.71 10.0 positive automatic P 26 661.4379 0.661506 0.930233
IU.TATO.BHZ.00 2023-10-04T03:36:36.97 10.0 positive automatic P 1 659.3733 -0.0120309 0.869565
JP.YOJ.BHZ. 2023-10-04T03:36:34.45 10.0 positive automatic P 15 625.5738 1.90549 0.952381
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