ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of Mwp 6.6 on date 05-05-2018 and time 00:32:59 (Italy) in region Hawaiian Islands, United States [Land: United States]

A magnitude Mwp 6.6 earthquake occured in region: Hawaiian Islands, United States [Land: United States], on

  • 04-05-2018 22:32:59 (UTC)
  • 05-05-2018 00:32:59 (UTC +02:00) Italian time
  • 04-05-2018 12:32:59 (UTC -10:00) local time in the region of the earthquake (Pacific/Honolulu)

and geographic coordinates (lat, lon) 19.65, -155.12 at 10 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.

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
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 mb 5.4
Mwp 6.6

Mwpd 6.7
2018-05-04
22:32:59
19.65 -155.12 10 2018-05-04
23:32:53
Sala Sismica INGV-Roma 56495251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-04 22:32:59
Latitude 19.65
Longitude -155.12
Depth (km) 10 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 56495251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 24831
Semi-minor axis of confidence ellipse (meter) 15357
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 167
Circular confidence region, given by single value of horizontal uncertainty (meter) 20043.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68.4893
Number of associated phases, regardless of their use for origin computation 137
Number of defining phases 137
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.59274
Epicentral distance of station closest to the epicenter (degree) 0.39951
Epicentral distance of station farthest from the epicenter (degree) 99.7587
Number of stations at which the event was observed 131
Number of stations from which data was used for origin computation 131
Magnitudes information

Mwpd:6.7

Field Value
Value 6.7
Uncertainty 0.1
Num. used stations 106
Type of magnitude Mwpd
Reference to an origin 56495251
Agency INGV
Autore Auto added
Time of creation (UTC) 2018-05-04 23:32:53

Mwp:6.6

Field Value
Value 6.6
Uncertainty 0.2
Num. used stations 110
Type of magnitude Mwp
Reference to an origin 56495251
Agency INGV
Autore Auto added
Time of creation (UTC) 2018-05-04 23:32:53

mb:5.4

Field Value
Value 5.4
Uncertainty 0.1
Num. used stations 125
Type of magnitude mb
Reference to an origin 56495251
Agency INGV
Autore Auto added
Time of creation (UTC) 2018-05-04 23:32:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.POHA.BHZ.00 2018-05-04T22:48:27.97 10.0 positive automatic ScS 285 0.3995 -2.13653 0
MY.KOM.BHZ. 2018-05-04T22:46:52.47 10.0 negative automatic Pdiff 275 99.7587 10.2638 0
IU.MAKZ.BHZ.00 2018-05-04T22:46:35.55 10.0 negative automatic PcP 325 96.0185 9.86914 0
GE.LVC.BHZ.00 2018-05-04T22:46:25.57 10.0 negative automatic P 113 94.1195 8.37821 0
IU.LCO.BHZ.00 2018-05-04T22:46:18.22 10.0 negative automatic P 119 94.7603 -1.80239 0.0587605
IU.SAML.BHZ.00 2018-05-04T22:46:16.77 10.0 positive automatic P 98 94.8033 -3.07598 0.0611992
RM.SLV.BHZ. 2018-05-04T22:46:10.42 10.0 negative automatic PcP 294 92.5544 0.118424 0
GT.LPAZ.BHZ.00 2018-05-04T22:46:09.35 10.0 negative automatic P 106 92.6838 -1.56346 0.0740012
AU.FORT.BHZ. 2018-05-04T22:45:52.87 10.0 positive automatic P 237 89.2849 -1.44622 0.0990724
AU.WRKA.BHZ. 2018-05-04T22:45:41.05 10.0 negative automatic P 242 86.8039 -1.52097 0.117258
DK.SCO.BHZ. 2018-05-04T22:45:32.70 10.0 negative automatic P 14 84.1563 3.43098 0.135136
DK.DBG.BHZ.00 2018-05-04T22:45:21.40 10.0 positive automatic P 11 81.7193 4.77638 0.155608
AU.HTT.BHZ. 2018-05-04T22:45:19.47 10.0 negative automatic P 230 82.2407 -0.0187273 0.152885
G.IVI.BHZ.00 2018-05-04T22:45:13.70 10.0 negative automatic P 28 80.6461 2.77726 0.157744
DK.DY2G.BHZ.10 2018-05-04T22:45:02.70 10.0 positive automatic P 23 79.2089 -0.806642 0.166584
IU.ULN.BHZ.00 2018-05-04T22:45:11.27 10.0 positive automatic P 318 80.5924 0.361148 0.165562
IU.BBSR.BHZ.00 2018-05-04T22:45:09.02 10.0 positive automatic P 59 79.968 1.74631 0.171211
DK.ICESG.BHZ.00 2018-05-04T22:45:08.10 10.0 positive automatic P 19 80.2313 -1.09512 0.157808
CN.DRLN.BHZ. 2018-05-04T22:45:06.58 10.0 negative automatic P 41 80.0164 -0.995129 0.159634
GE.SUMG.BHZ. 2018-05-04T22:45:01.05 10.0 positive automatic P 16 78.791 -0.348739 0.186453
DK.NUUK.BHZ.00 2018-05-04T22:45:01.50 10.0 positive automatic P 26 78.0314 4.83389 0.193842
CU.SDDR.BHZ.00 2018-05-04T22:44:58.45 10.0 negative automatic P 74 78.1656 0.956546 0.188048
GE.SFJD.BHZ.00 2018-05-04T22:44:52.77 10.0 positive automatic P 23 77.4397 -0.640673 0.195053
DK.ILULI.BHZ. 2018-05-04T22:44:50.86 10.0 negative automatic P 21 76.496 2.81597 0.205304
DK.NOR.BHZ. 2018-05-04T22:44:48.15 10.0 positive automatic P 6 76.712 -1.11461 0.140237
G.CAN.BHZ.00 2018-05-04T22:44:46.05 10.0 positive automatic P 224 76.3111 -1.05632 0.211105
DK.NUUG.BHZ.00 2018-05-04T22:44:39.20 10.0 positive automatic P 19 75.0815 -0.760534 0.20897
GE.FAKI.BHZ. 2018-05-04T22:44:36.82 10.0 positive automatic P 261 74.7076 -0.9902 0
AU.QLP.BHZ. 2018-05-04T22:44:36.12 10.0 positive automatic P 234 74.7844 -2.14841 0.216723
DK.NEEM.BHZ.10 2018-05-04T22:44:31.85 10.0 positive automatic P 13 73.8217 -1.21066 0.221565
US.PKME.BHZ.00 2018-05-04T22:44:29.20 10.0 negative automatic P 47 73.3132 -0.448769 0.221824
DK.KULLO.BHZ. 2018-05-04T22:44:27.72 10.0 positive automatic P 16 73.1521 -0.963805 0.24015
CU.BCIP.BHZ.00 2018-05-04T22:44:26.15 10.0 negative automatic P 86 73.1554 -2.5595 0
CU.MTDJ.BHZ.00 2018-05-04T22:44:24.90 10.0 negative automatic P 76 72.6927 -1.21863 0.115301
US.LBNH.BHZ.00 2018-05-04T22:44:19.70 10.0 positive automatic P 49 71.663 -0.163555 0.255352
AU.ARMA.BHZ. 2018-05-04T22:44:17.75 10.0 negative automatic P 227 71.5961 -1.84532 0.262196
CN.FRB.BHZ. 2018-05-04T22:44:13.90 10.0 positive automatic P 28 70.9413 -1.53827 0.257469
US.LONY.BHZ.00 2018-05-04T22:44:11.20 10.0 positive automatic P 48 69.7299 3.10566 0
IU.CTAO.BHZ.00 2018-05-04T22:44:11.67 10.0 positive automatic P 239 69.8148 3.06325 0
AU.COEN.BHZ. 2018-05-04T22:44:08.57 10.0 positive automatic P 246 69.3784 2.67148 0
JP.JOW.BHZ. 2018-05-04T22:44:08.90 10.0 positive automatic P 292 69.7232 0.885132 0.265091
CN.GAC.BHZ. 2018-05-04T22:44:06.88 10.0 negative automatic P 47 68.9625 3.59429 0.264773
US.BINY.BHZ.00 2018-05-04T22:44:03.15 10.0 positive automatic P 51 69.0572 -0.793122 0.291999
AU.EIDS.BHZ. 2018-05-04T22:44:02.77 10.0 positive automatic P 231 68.9869 -0.689 0.282749
IU.SSPA.BHZ.00 2018-05-04T22:43:57.02 10.0 negative automatic P 53 67.8538 0.641001 0.299552
IU.TIXI.BHZ.00 2018-05-04T22:43:51.02 10.0 positive automatic P 341 66.9855 0.172346 0.317505
CN.SADO.BHZ. 2018-05-04T22:43:50.40 10.0 positive automatic P 49 66.4935 2.65731 0
US.MCWV.BHZ.00 2018-05-04T22:43:49.60 10.0 positive automatic P 54 66.4882 1.88459 0
JP.JNU.BHZ. 2018-05-04T22:43:47.65 10.0 positive automatic P 298 66.3454 0.803879 0.150278
US.BLA.BHZ.00 2018-05-04T22:43:46.13 10.0 negative automatic P 57 66.3399 -0.702228 0.310869
IU.YAK.BHZ.00 2018-05-04T22:43:42.47 10.0 positive automatic P 330 65.7997 -0.791213 0.324851
US.GOGA.BHZ.00 2018-05-04T22:43:32.93 10.0 negative automatic P 61 64.3652 -1.01877 0.320748
US.ACSO.BHZ.00 2018-05-04T22:43:32.33 10.0 negative automatic P 54 64.0396 0.490806 0.335636
JP.JMN.BHZ. 2018-05-04T22:43:31.10 10.0 positive automatic P 299 63.7826 0.916683 0.342721
CN.RES.BHZ. 2018-05-04T22:43:26.58 10.0 positive automatic P 15 63.3908 -0.931039 0.360011
IU.TEIG.BHZ.00 2018-05-04T22:43:17.67 10.0 negative automatic P 77 62.3695 -3.04567 0.174544
IU.WCI.BHZ.00 2018-05-04T22:43:16.07 10.0 negative automatic P 56 61.6194 0.367788 0.370877
US.LRAL.BHZ.00 2018-05-04T22:43:13.93 10.0 positive automatic P 62 61.475 -0.790932 0.381465
JP.JGF.BHZ. 2018-05-04T22:43:10.30 10.0 positive automatic P 301 60.753 0.405951 0.258899
IU.WVT.BHZ.00 2018-05-04T22:43:07.15 10.0 negative automatic P 59 60.5309 -1.16198 0.394429
IU.MAJO.BHZ.00 2018-05-04T22:43:05.47 10.0 positive automatic P 302 60.007 0.7094 0.401717
MX.CCIG.BHZ. 2018-05-04T22:43:01.87 10.0 negative automatic P 82 59.674 -0.810531 0.416059
US.OXF.BHZ.00 2018-05-04T22:43:00.28 10.0 negative automatic P 61 59.3526 0.0754268 0.194167
US.COWI.BHZ.00 2018-05-04T22:42:59.63 10.0 negative automatic P 47 59.4616 -1.40324 0.409374
US.HDIL.BHZ.00 2018-05-04T22:42:59.13 10.0 negative automatic P 54 59.2242 -0.203312 0
US.JFWS.BHZ.00 2018-05-04T22:42:52.78 10.0 positive automatic P 51 58.5414 -1.83165 0.432515
JP.JMM.BHZ. 2018-05-04T22:42:50.95 10.0 positive automatic P 303 57.902 0.855033 0.203975
US.EYMN.BHZ.00 2018-05-04T22:42:50.20 10.0 positive automatic P 45 57.9971 -0.62565 0.445843
JP.JTM.BHZ. 2018-05-04T22:42:49.00 10.0 positive automatic P 307 57.6963 0.349241 0.406306
IU.CCM.BHZ.00 2018-05-04T22:42:47.32 10.0 negative automatic P 57 57.7352 -1.62238 0.405778
JP.JKA.BHZ. 2018-05-04T22:42:42.80 10.0 positive automatic P 307 56.5527 2.2238 0.462181
ND.KOUNC.BHZ.00 2018-05-04T22:42:41.44 10.0 positive automatic P 227 56.5224 1.1066 0.451883
II.ERM.BHZ.00 2018-05-04T22:42:38.42 10.0 positive automatic P 308 56.1761 0.560559 0.215959
G.DZM.BHZ.00 2018-05-04T22:42:37.05 10.0 positive automatic P 224 56.1304 -0.624869 0.45771
US.SCIA.BHZ.00 2018-05-04T22:42:37.28 10.0 positive automatic P 52 56.3096 -1.58214 0.399322
US.MIAR.BHZ.00 2018-05-04T22:42:35.53 10.0 positive automatic P 61 55.922 -0.543207 0.440343
IU.MA2.BHZ.00 2018-05-04T22:42:31.97 10.0 positive automatic P 330 55.2754 0.524583 0.470553
CN.ULM.BHZ. 2018-05-04T22:42:31.00 10.0 positive automatic P 42 55.4922 -1.99086 0.456659
US.NATX.BHZ.00 2018-05-04T22:42:29.83 10.0 positive automatic P 64 55.123 -0.492838 0.428063
IU.HKT.BHZ.00 2018-05-04T22:42:23.37 10.0 positive automatic P 67 54.216 -0.260287 0.431516
IU.BILL.BHZ.00 2018-05-04T22:42:22.72 10.0 positive automatic P 343 54.0127 0.437859 0.501504
US.ECSD.BHZ.00 2018-05-04T22:42:20.50 10.0 positive automatic P 50 53.986 -1.61295 0.496021
US.KSU1.BHZ.00 2018-05-04T22:42:18.85 10.0 negative automatic P 55 53.5692 -0.181111 0.514662
II.FFC.BHZ.00 2018-05-04T22:42:13.67 10.0 positive automatic P 35 53.0728 -1.71146 0.529059
US.WMOK.BHZ.00 2018-05-04T22:42:05.05 10.0 negative automatic P 61 51.641 0.274316 0.546173
US.CBKS.BHZ.00 2018-05-04T22:42:01.80 10.0 positive automatic P 55 51.1221 0.873543 0.561578
US.JCT.BHZ.00 2018-05-04T22:41:58.10 10.0 negative automatic P 66 50.7721 -0.173459 0.56068
CN.INK.BHZ. 2018-05-04T22:41:54.65 10.0 positive automatic P 10 50.4916 -1.40839 0.493984
US.DGMT.BHZ.00 2018-05-04T22:41:50.73 10.0 positive automatic P 42 49.8078 -0.259461 0.532121
US.OGNE.BHZ.00 2018-05-04T22:41:49.53 10.0 negative automatic P 52 49.637 -0.222417 0
US.AMTX.BHZ.00 2018-05-04T22:41:47.45 10.0 positive automatic P 60 49.2685 0.520977 0.523193
IU.RSSD.BHZ.00 2018-05-04T22:41:42.02 10.0 positive automatic P 48 48.7904 -1.43109 0.587396
IU.PET.BHZ.00 2018-05-04T22:41:42.77 10.0 positive automatic P 325 48.6562 0.693807 0.589693
US.LAO.BHZ.00 2018-05-04T22:41:36.85 10.0 positive automatic P 44 47.9786 -0.134 0
US.ISCO.BHZ.00 2018-05-04T22:41:27.55 10.0 negative automatic P 53 46.756 -0.233644 0.568544
US.SDCO.BHZ.00 2018-05-04T22:41:25.15 10.0 positive automatic P 56 46.5024 -0.615132 0.634721
US.EGAK.BHZ.00 2018-05-04T22:41:22.23 10.0 positive automatic P 8 46.0743 0.22333 0.579555
US.MNTX.BHZ.00 2018-05-04T22:41:21.03 10.0 positive automatic P 64 46.0085 -0.47563 0.580624
II.MSVF.BHZ.00 2018-05-04T22:41:21.02 10.0 positive automatic P 217 45.7368 1.58685 0.625861
IW.SMCO.BHZ.00 2018-05-04T22:41:18.08 10.0 positive automatic P 54 45.6085 -0.789283 0.59359
US.RLMT.BHZ.00 2018-05-04T22:41:18.10 10.0 negative automatic P 45 45.4815 0.472927 0.630322
IU.ANMO.BHZ.00 2018-05-04T22:41:16.42 10.0 negative automatic P 60 45.3724 -0.299865 0.578426
IU.COLA.BHZ.00 2018-05-04T22:41:16.42 10.0 positive automatic P 4 45.4776 -0.851395 0.609141
US.BW06.BHZ.00 2018-05-04T22:41:14.98 10.0 negative automatic P 48 44.5687 4.58482 0
US.MVCO.BHZ.00 2018-05-04T22:41:06.58 10.0 negative automatic P 56 44.0714 0.175764 0.655245
US.BOZ.BHZ.00 2018-05-04T22:41:05.95 10.0 positive automatic P 44 44.0833 -0.444029 0.655033
AT.TTA.BHZ. 2018-05-04T22:40:59.22 10.0 positive automatic P 359 43.2802 -0.604191 0.636858
US.MSO.BHZ.00 2018-05-04T22:40:57.50 10.0 positive automatic P 41 43.0945 -0.876163 0.697113
US.HWUT.BHZ.00 2018-05-04T22:40:55.55 10.0 positive automatic P 49 42.8083 -0.598163 0.633763
IU.SLBS.BHZ.00 2018-05-04T22:40:53.32 10.0 positive automatic P 76 42.0088 3.85097 0.709059
US.NEW.BHZ.00 2018-05-04T22:40:47.43 10.0 positive automatic P 38 41.8408 -0.659329 0.636453
IU.TUC.BHZ.00 2018-05-04T22:40:46.42 10.0 positive automatic P 63 41.4915 1.16882 0.663518
US.WUAZ.BHZ.00 2018-05-04T22:40:45.60 10.0 positive automatic P 58 41.4857 0.279651 0.649348
US.HLID.BHZ.00 2018-05-04T22:40:45.18 10.0 positive automatic P 46 41.4894 -0.207304 0.670927
MX.HSIG.BHZ. 2018-05-04T22:40:42.05 10.0 negative automatic P 68 41.0777 0.319417 0.33538
US.WRAK.BHZ.00 2018-05-04T22:40:38.08 10.0 positive automatic P 19 40.4934 1.19161 0.712369
UW.BRAN.BHZ. 2018-05-04T22:40:38.28 10.0 positive automatic P 41 40.6828 -0.353791 0.717111
US.BMO.BHZ.00 2018-05-04T22:40:33.63 10.0 positive automatic P 42 40.1264 -0.406288 0.74486
AT.CRAG.BHZ. 2018-05-04T22:40:32.48 10.0 positive automatic P 20 39.4625 4.16192 0.757697
US.ELK.BHZ.00 2018-05-04T22:40:31.40 10.0 positive automatic P 49 39.9129 -1.04197 0.767242
US.HAWA.BHZ.00 2018-05-04T22:40:28.93 10.0 positive automatic P 39 39.4896 0.326505 0.662525
CN.BBB.BHZ. 2018-05-04T22:40:22.83 10.0 positive automatic P 26 38.7277 0.666591 0.668564
II.KDAK.BHZ.00 2018-05-04T22:40:21.22 10.0 negative automatic P 2 38.1745 3.68619 0.792345
US.WVOR.BHZ.00 2018-05-04T22:40:17.98 10.0 positive automatic P 45 38.2079 -0.0462732 0.746697
US.NLWA.BHZ.00 2018-05-04T22:40:13.08 10.0 positive automatic P 35 37.5738 0.533091 0.733673
II.PFO.BHZ.00 2018-05-04T22:40:09.02 10.0 positive automatic P 60 37.0077 1.17122 0.736017
BK.HUMO.BHZ.00 2018-05-04T22:39:55.27 10.0 negative automatic P 42 35.4684 0.712329 0.79918
BK.CMB.BHZ.00 2018-05-04T22:39:51.87 10.0 positive automatic P 51 35.2349 -0.704096 0.729162
BK.SAO.BHZ.00 2018-05-04T22:39:42.60 10.0 positive automatic P 53 33.9892 0.860148 0.878154
IU.XMAS.BHZ.00 2018-05-04T22:36:58.65 10.0 negative automatic P 188 17.7526 -6.47969 0.21978
G.KIP.BHZ.00 2018-05-04T22:33:45.07 10.0 positive automatic P 304 3.2307 -3.61277 0.952381
IU.POHA.BHZ.00 2018-05-04T22:33:06.17 10.0 positive automatic P 285 0.3995 0.0300081 0.634921
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download