Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.6 on date 18-03-2023 and time 17:12:55 (UTC) in region Near coast of Ecuador [Land: Ecuador]

A magnitude Mwp 6.6 earthquake occured in region: Near coast of Ecuador [Land: Ecuador], on

  • 18-03-2023 17:12:55 (UTC)
  • 18-03-2023 18:12:55 (UTC +01:00) Italian time
  • 18-03-2023 12:12:55 (UTC -05:00) local time in the region of the earthquake (America/Guayaquil)

and geographic coordinates (lat, lon) -2.7070, -79.6850 at 82 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 5.7
Mwp 6.6
Mwpd 6.7 		2023-03-18
17:12:55		 -2.707 -79.6852 82 2023-03-18
17:33:30		 Sala Sismica INGV-Roma 115514631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-18 17:12:55
Latitude -2.7070
Longitude -79.6852
Depth (km) 82 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 115514631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 14704
Semi-minor axis of confidence ellipse (meter) 1835
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 11932.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81.302
Number of associated phases, regardless of their use for origin computation 162
Number of defining phases 162
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.30835
Epicentral distance of station closest to the epicenter (degree) 9.69797
Epicentral distance of station farthest from the epicenter (degree) 92.64542
Number of stations at which the event was observed 142
Number of stations from which data was used for origin computation 142
Magnitudes information

Mwp:6.6

Field Value
Value 6.6
Uncertainty 0.2
Num. used stations 100
Type of magnitude Mwp
Reference to an origin 115514631
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-18 17:33:30

Mwpd:6.7

Field Value
Value 6.7
Uncertainty 0.1
Num. used stations 97
Type of magnitude Mwpd
Reference to an origin 115514631
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-18 17:33:30

mb:5.7

Field Value
Value 5.7
Uncertainty 0.1
Num. used stations 109
Type of magnitude mb
Reference to an origin 115514631
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-03-18 17:33:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.GRFO.BHZ.00 2023-03-18T17:25:58.67 10.0 positive automatic PcP 40 92.6454 1.38671 0
IV.BOB.BHZ. 2023-03-18T17:25:51.80 10.0 positive automatic PcP 45 91.2869 0.447655 0
GE.STU.BHZ. 2023-03-18T17:25:51.90 10.0 positive automatic PcP 41 91.2941 0.610847 0
MN.VSL.BHZ. 2023-03-18T17:25:50.77 10.0 positive automatic P 51 90.9951 1.77904 0.0895589
G.ECH.BHZ.00 2023-03-18T17:25:45.30 10.0 positive automatic P 42 89.9144 1.3009 0.0946995
IU.QSPA.BHZ.00 2023-03-18T17:25:44.67 10.0 positive automatic pP 180 87.3402 -9.6323 0
GE.WLF.BHZ. 2023-03-18T17:25:43.30 10.0 positive automatic P 40 89.3701 1.89001 0.098473
MN.BNI.BHZ. 2023-03-18T17:25:43.35 10.0 positive automatic P 45 89.3466 1.85563 0.0930965
GE.SNAA.BHZ. 2023-03-18T17:25:42.06 10.0 negative automatic sP 162 83.3170 0.396616 0
G.SSB.BHZ.00 2023-03-18T17:25:35.85 10.0 positive automatic P 44 87.8677 1.4438 0.104304
GE.SNAA.BHZ. 2023-03-18T17:25:35.81 10.0 positive automatic pP 162 83.3170 2.05442 0
IU.QSPA.BHZ.00 2023-03-18T17:25:33.22 10.0 negative automatic P 180 87.3402 0.955433 0
RD.LOR.BHZ. 2023-03-18T17:25:33.96 10.0 positive automatic P 42 87.6165 0.779669 0.112199
IU.COLA.BHZ.00 2023-03-18T17:25:32.17 10.0 negative automatic pP 337 83.3976 -1.89493 0
G.TAM.BHZ.00 2023-03-18T17:25:31.15 10.0 positive automatic P 67 86.6398 2.53023 0.118512
RD.MTLF.BHZ. 2023-03-18T17:25:26.30 10.0 positive automatic P 46 85.9873 1.06722 0.121267
GE.DAG.BHZ. 2023-03-18T17:25:26.66 10.0 positive automatic P 12 86.2844 0.0154132 0
G.KIP.BHZ.00 2023-03-18T17:25:17.70 10.0 positive automatic pP 292 80.1559 0.81321 0
RD.ROSF.BHZ. 2023-03-18T17:25:11.90 10.0 positive automatic P 41 83.0624 1.42659 0.146185
IU.COLA.BHZ.00 2023-03-18T17:25:11.65 10.0 positive automatic P 337 83.3976 -0.542274 0.144718
GE.SNAA.BHZ. 2023-03-18T17:25:11.96 10.0 positive automatic P 162 83.3170 0.0754078 0.142022
DK.KULLO.BHZ. 2023-03-18T17:25:05.88 10.0 negative automatic pP 6 78.4652 -1.71915 0
US.EGAK.BHZ.00 2023-03-18T17:24:58.23 10.0 positive automatic P 338 80.7571 -0.165363 0.158555
GE.VAL.BHZ. 2023-03-18T17:24:53.80 10.0 positive automatic P 36 79.6810 1.24272 0.166111
II.BORG.BHZ.00 2023-03-18T17:24:53.72 10.0 positive automatic P 22 79.5780 1.70182 0.183311
GE.MTE.BHZ. 2023-03-18T17:24:46.50 10.0 positive automatic P 48 78.3030 1.32823 0.186734
DK.KULLO.BHZ. 2023-03-18T17:24:45.42 10.0 positive automatic P 6 78.4652 -0.502404 0.184335
PM.PESTR.BHZ. 2023-03-18T17:24:44.57 10.0 positive automatic P 49 77.9053 1.66475 0.19508
SS.COI.BHZ. 2023-03-18T17:24:43.30 10.0 positive automatic P 48 77.6142 2.06093 0.200343
PM.PVAQ.BHZ. 2023-03-18T17:24:42.65 10.0 positive automatic P 51 77.4674 2.21435 0.199418
MN.RTC.BHZ. 2023-03-18T17:24:40.92 10.0 positive automatic P 54 77.3979 0.903071 0.0651525
WM.AVE.BHZ. 2023-03-18T17:24:39.75 10.0 positive automatic P 55 76.7998 3.0519 0.206124
LX.MORF.BHZ. 2023-03-18T17:24:38.86 10.0 positive automatic P 51 76.7214 2.54497 0.211965
AT.SKAG.BHZ. 2023-03-18T17:24:31.58 10.0 negative automatic P 334 75.7697 0.729476 0.220896
GT.DBIC.BHZ.00 2023-03-18T17:24:30.28 10.0 positive automatic P 82 75.2729 2.26821 0.22729
CN.ATLI.BHZ. 2023-03-18T17:24:27.70 10.0 positive automatic P 335 75.1487 0.289242 0.217994
DK.ANGG.BHZ. 2023-03-18T17:24:24.10 10.0 positive automatic P 17 74.7359 -0.796544 0.227556
DK.ILULI.BHZ. 2023-03-18T17:24:22.82 10.0 positive automatic P 10 74.5014 -0.734316 0.230058
DK.ISOG.BHZ. 2023-03-18T17:24:21.95 10.0 positive automatic P 16 74.3070 -0.464937 0.237805
US.WRAK.BHZ.00 2023-03-18T17:24:14.73 10.0 positive automatic P 333 72.7940 1.16443 0.240114
PM.PMOZ.BHZ. 2023-03-18T17:23:50.90 10.0 positive automatic P 53 68.7645 1.61141 0.282101
IU.MACI.BHZ.00 2023-03-18T17:23:46.77 10.0 positive automatic P 58 67.9918 2.1954 0.294463
G.IVI.BHZ.00 2023-03-18T17:23:45.85 10.0 positive automatic P 16 68.3567 -0.720046 0.27437
II.CMLA.BHZ.00 2023-03-18T17:23:22.25 10.0 positive automatic P 45 64.3116 1.43478 0.311244
US.NLWA.BHZ.00 2023-03-18T17:23:14.53 10.0 positive automatic P 328 63.2429 0.696771 0.361979
II.HOPE.BHZ.00 2023-03-18T17:23:09.37 10.0 positive automatic P 153 62.3878 1.32647 0.387141
IU.COR.BHZ.00 2023-03-18T17:23:00.62 10.0 positive automatic P 326 61.1902 0.596082 0.394525
G.TAOE.BHZ.00 2023-03-18T17:22:57.72 10.0 positive automatic P 261 60.4039 2.91271 0.409519
US.NEW.BHZ.00 2023-03-18T17:22:55.00 10.0 positive automatic P 332 60.4764 -0.29375 0.414457
US.HAWA.BHZ.00 2023-03-18T17:22:54.28 10.0 positive automatic P 329 60.3446 -0.0533846 0.387985
II.SACV.BHZ.00 2023-03-18T17:22:41.35 10.0 positive automatic P 71 58.2389 1.52581 0.442225
US.BMO.BHZ.00 2023-03-18T17:22:38.23 10.0 positive automatic P 329 58.1553 -1.14471 0.40898
US.MSO.BHZ.00 2023-03-18T17:22:37.90 10.0 positive automatic P 333 57.9636 -0.147094 0.435841
BK.MCCM.BHZ.00 2023-03-18T17:22:32.47 10.0 negative automatic P 320 57.0729 0.896508 0.448979
US.WVOR.BHZ.00 2023-03-18T17:22:32.78 10.0 positive automatic P 327 57.2143 -0.0296615 0.4522
US.EGMT.BHZ.00 2023-03-18T17:22:31.65 10.0 positive automatic P 336 57.1059 -0.339001 0.216599
US.BOZ.BHZ.00 2023-03-18T17:22:24.05 10.0 positive automatic P 333 55.9877 -0.101961 0.476458
US.HLID.BHZ.00 2023-03-18T17:22:22.73 10.0 positive automatic P 330 55.7807 0.0214248 0.447333
BK.CMB.BHZ.00 2023-03-18T17:22:20.22 10.0 positive automatic P 321 55.4314 0.198544 0.468193
CN.DRLN.BHZ. 2023-03-18T17:22:19.65 10.0 positive automatic P 17 55.3926 -0.0130067 0.485723
US.LAO.BHZ.00 2023-03-18T17:22:13.80 10.0 positive automatic P 338 54.6427 -0.573374 0.480166
US.RLMT.BHZ.00 2023-03-18T17:22:13.60 10.0 positive automatic P 335 54.5843 -0.553101 0.492513
US.ELK.BHZ.00 2023-03-18T17:22:11.68 10.0 positive automatic P 327 54.2040 0.257683 0.492619
US.AHID.BHZ.00 2023-03-18T17:22:06.18 10.0 positive automatic P 332 53.5736 -0.607218 0.490928
US.HWUT.BHZ.00 2023-03-18T17:22:01.73 10.0 positive automatic P 330 52.9227 -0.263277 0.495283
US.AGMN.BHZ.00 2023-03-18T17:22:00.60 10.0 positive automatic P 347 52.9165 -1.08801 0.518968
US.BW06.BHZ.00 2023-03-18T17:22:00.43 10.0 positive automatic P 333 52.8550 -1.13331 0.445677
II.EFI.BHZ.00 2023-03-18T17:21:57.62 10.0 negative automatic P 163 52.1987 1.2731 0.244877
IU.RSSD.BHZ.00 2023-03-18T17:21:52.62 10.0 positive automatic P 338 51.6526 -0.0089771 0.526931
US.EYMN.BHZ.00 2023-03-18T17:21:50.63 10.0 positive automatic P 350 51.6926 -2.02139 0.551963
C.GO10.BHZ. 2023-03-18T17:21:48.78 10.0 negative automatic P 173 50.9481 1.65305 0.526033
US.PKME.BHZ.00 2023-03-18T17:21:31.30 10.0 positive automatic P 10 48.8529 0.142562 0.593387
US.ISCO.BHZ.00 2023-03-18T17:21:30.45 10.0 positive automatic P 333 48.7018 -0.0066226 0.61072
US.ECSD.BHZ.00 2023-03-18T17:21:29.80 10.0 positive automatic P 344 48.8633 -1.50138 0.565933
US.WUAZ.BHZ.00 2023-03-18T17:21:28.85 10.0 positive automatic P 325 48.3626 1.19832 0.561317
CN.GAC.BHZ. 2023-03-18T17:21:27.80 10.0 positive automatic P 4 48.5521 -1.04296 0.584516
US.OGNE.BHZ.00 2023-03-18T17:21:26.23 10.0 positive automatic P 337 48.1715 0.132162 0.584114
US.MVCO.BHZ.00 2023-03-18T17:21:24.95 10.0 positive automatic P 329 48.0368 -0.297937 0.586386
US.LONY.BHZ.00 2023-03-18T17:21:20.00 10.0 positive automatic P 5 47.5438 -1.13546 0.608898
US.LBNH.BHZ.00 2023-03-18T17:21:20.48 10.0 positive automatic P 8 47.4567 0.0238403 0.610416
US.GLMI.BHZ.00 2023-03-18T17:21:20.35 10.0 positive automatic P 355 47.7329 -2.24232 0.584728
US.SDCO.BHZ.00 2023-03-18T17:21:17.70 10.0 positive automatic P 332 46.9889 0.500472 0.626047
US.JFWS.BHZ.00 2023-03-18T17:21:11.60 10.0 positive automatic P 349 46.6047 -2.21704 0.632888
US.SCIA.BHZ.00 2023-03-18T17:21:09.78 10.0 positive automatic P 346 46.2709 -1.42418 0.646653
IU.HRV.BHZ.00 2023-03-18T17:21:07.32 10.0 positive automatic P 8 45.8054 -0.201739 0.548172
US.CBKS.BHZ.00 2023-03-18T17:21:05.05 10.0 positive automatic P 338 45.4480 0.259601 0.645925
IU.ANMO.BHZ.00 2023-03-18T17:21:04.20 10.0 positive automatic P 329 45.2526 0.750488 0.665272
US.AAM.BHZ.00 2023-03-18T17:21:00.53 10.0 positive automatic P 356 45.1498 -1.82144 0.53635
US.BINY.BHZ.00 2023-03-18T17:21:00.90 10.0 positive automatic P 4 45.0293 -0.54465 0.661326
US.ERPA.BHZ.00 2023-03-18T17:20:58.05 10.0 positive automatic P 360 44.8234 -1.73187 0.6273
US.HDIL.BHZ.00 2023-03-18T17:20:51.98 10.0 positive automatic P 350 44.1440 -2.37868 0.669517
MX.HSIG.BHZ. 2023-03-18T17:20:51.08 10.0 negative automatic P 319 43.6354 0.797654 0.619802
G.COYC.BHZ.00 2023-03-18T17:20:47.50 10.0 negative automatic P 172 43.3794 -0.728492 0.667648
IU.SSPA.BHZ.00 2023-03-18T17:20:47.35 10.0 positive automatic P 2 43.3721 -0.830668 0.691917
US.ACSO.BHZ.00 2023-03-18T17:20:43.73 10.0 positive automatic P 356 43.0431 -1.80409 0.689761
US.AMTX.BHZ.00 2023-03-18T17:20:43.80 10.0 positive automatic P 333 42.8810 -0.546425 0.701114
US.MCWV.BHZ.00 2023-03-18T17:20:38.88 10.0 positive automatic P 360 42.3635 -1.15382 0.686073
US.MNTX.BHZ.00 2023-03-18T17:20:38.63 10.0 positive automatic P 327 42.1809 0.0548896 0.673743
IU.CCM.BHZ.00 2023-03-18T17:20:34.95 10.0 positive automatic P 346 42.1416 -3.27243 0.690131
US.WMOK.BHZ.00 2023-03-18T17:20:32.78 10.0 positive automatic P 336 41.5142 -0.372989 0.718377
US.CBN.BHZ.00 2023-03-18T17:20:28.25 10.0 positive automatic P 3 40.9657 -0.334334 0.695658
C1.LL01.BHZ. 2023-03-18T17:20:21.10 10.0 negative automatic P 172 40.1997 -1.17573 0.354826
US.BLA.BHZ.00 2023-03-18T17:20:19.25 10.0 positive automatic P 359 39.9224 -0.824662 0.683676
US.MIAR.BHZ.00 2023-03-18T17:20:15.85 10.0 negative automatic P 342 39.4723 -0.421447 0.757502
IU.WVT.BHZ.00 2023-03-18T17:20:14.72 10.0 positive automatic P 350 39.5727 -2.3804 0.764658
US.TZTN.BHZ.00 2023-03-18T17:20:14.45 10.0 positive automatic P 355 39.4141 -1.36589 0.749707
MX.HPIG.BHZ. 2023-03-18T17:20:12.69 10.0 negative automatic P 321 38.8168 1.61484 0.770282
GT.PLCA.BHZ.00 2023-03-18T17:20:11.05 10.0 negative automatic P 169 38.9081 -0.667565 0.759454
US.JCT.BHZ.00 2023-03-18T17:20:07.58 10.0 positive automatic P 331 38.3354 0.735217 0.78913
IM.TKL.BHZ. 2023-03-18T17:20:07.17 10.0 positive automatic P 355 38.5536 -1.46162 0.731878
IU.BBSR.BHZ.00 2023-03-18T17:20:03.12 10.0 positive automatic P 21 37.8443 0.501903 0.506205
C.GO06.BHZ. 2023-03-18T17:19:58.98 10.0 negative automatic P 170 37.6226 -1.98375 0.813201
US.NATX.BHZ.00 2023-03-18T17:19:57.90 10.0 positive automatic P 339 37.2858 -0.0291296 0.707853
US.LRAL.BHZ.00 2023-03-18T17:19:49.40 10.0 positive automatic P 350 36.4080 -1.07234 0.780974
BL.PMNB.HHZ. 2023-03-18T17:19:49.68 10.0 positive automatic P 118 36.1886 0.931713 0.842658
US.GOGA.BHZ.00 2023-03-18T17:19:48.48 10.0 positive automatic P 355 36.2927 -1.01413 0.840503
IU.HKT.BHZ.00 2023-03-18T17:19:48.32 10.0 positive automatic P 336 36.1324 0.284071 0.854241
US.NHSC.BHZ.00 2023-03-18T17:19:45.50 10.0 negative automatic P 359 35.8152 0.0982446 0.820402
US.KVTX.BHZ.00 2023-03-18T17:19:40.78 10.0 negative automatic P 331 34.9672 2.64381 0
US.BRAL.BHZ.00 2023-03-18T17:19:35.28 10.0 negative automatic P 349 34.5925 0.366831 0.855206
MX.ZAIG.BHZ. 2023-03-18T17:19:31.51 10.0 negative automatic P 320 33.8705 2.4335 0.849929
C.GO05.BHZ. 2023-03-18T17:19:21.28 10.0 negative automatic P 168 33.0949 -0.660212 0.875949
G.PEL.BHZ.00 2023-03-18T17:19:08.85 10.0 negative automatic P 166 31.5829 0.035216 0.838554
IU.DWPF.BHZ.00 2023-03-18T17:19:02.30 10.0 positive automatic P 357 30.8617 -0.0580003 0.933899
WA.ZON.HHZ. 2023-03-18T17:19:01.25 10.0 negative automatic P 161 30.6439 0.685096 0.900029
C1.CO02.BHZ. 2023-03-18T17:18:51.93 10.0 negative automatic P 165 29.6505 0.066259 0.930233
G.MPG.BHZ.00 2023-03-18T17:18:39.90 10.0 positive automatic P 74 28.1206 1.78669 0.952381
IU.LCO.BHZ.00 2023-03-18T17:18:34.42 10.0 negative automatic P 163 27.6564 0.0760217 0.888889
MX.TLIG.BHZ. 2023-03-18T17:18:34.54 10.0 negative automatic P 318 27.5214 1.60244 0.740741
CU.ANWB.BHZ.00 2023-03-18T17:18:27.32 10.0 positive automatic P 40 26.9539 -0.358182 0.833333
C.GO03.BHZ. 2023-03-18T17:18:23.68 10.0 negative automatic P 161 26.4740 0.187809 0.941176
CU.GRTK.BHZ.00 2023-03-18T17:18:17.22 10.0 positive automatic P 19 25.6226 1.54565 0.963855
CU.BBGH.BHZ.00 2023-03-18T17:18:14.80 10.0 positive automatic P 51 25.4996 0.207016 0.43956
IU.SJG.BHZ.00 2023-03-18T17:18:08.87 10.0 positive automatic P 32 24.7196 1.31275 0.97561
C.GO02.BHZ. 2023-03-18T17:18:06.45 10.0 negative automatic P 157 24.4687 0.807566 0.888889
CU.SDDR.BHZ.00 2023-03-18T17:17:54.83 10.0 positive automatic P 21 23.2076 1.02597 0.941176
CU.GTBY.BHZ.00 2023-03-18T17:17:53.75 10.0 positive automatic P 11 23.0741 1.25296 0.952381
CU.GRGR.BHZ.00 2023-03-18T17:17:51.40 10.0 positive automatic P 50 23.2642 -2.8564 0.761905
MX.CCIG.BHZ. 2023-03-18T17:17:48.32 10.0 negative automatic P 327 22.6260 0.0932242 0.869565
CU.MTDJ.BHZ.00 2023-03-18T17:17:33.00 10.0 positive automatic P 6 21.0391 1.75764 0.941176
CX.MNMCX.BHZ. 2023-03-18T17:17:11.60 10.0 negative automatic P 150 19.1601 0.445461 0.930233
CU.TGUH.BHZ.00 2023-03-18T17:17:03.63 10.0 positive automatic P 336 18.3738 1.26817 0.879121
GT.LPAZ.BHZ.00 2023-03-18T17:16:54.18 10.0 positive automatic P 141 17.7090 -1.51111 0.952381
GE.BOAB.BHZ. 2023-03-18T17:16:38.95 10.0 negative automatic P 339 16.2785 1.37519 0.97561
II.JTS.BHZ.00 2023-03-18T17:16:10.35 10.0 negative automatic P 338 14.0154 1.6182 0.963855
G.HDC.BHZ.00 2023-03-18T17:16:02.90 10.0 negative automatic P 341 13.4512 1.41598 0.930233
II.NNA.BHZ.00 2023-03-18T17:15:07.62 10.0 negative automatic P 163 9.6980 -3.02688 0.888889
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