Earthquake Vanuatu Islands [Sea: Vanuatu], Magnitude Mwp 6.6, 2 March 2023 time 18:04:34 (Timezone UTC)

A magnitude Mwp 6.6 earthquake occured in region: Vanuatu Islands [Sea: Vanuatu], on

02-03-2023 18:04:34 (UTC)
02-03-2023 19:04:34 (UTC +01:00) Italian time
03-03-2023 05:04:34 (UTC +11:00) local time in the region of the earthquake (Pacific/Efate)

and geographic coordinates (lat, lon) -15.4200, 166.4090 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.

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Display location by

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

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Reviewed Rev100	mb 5.4 Mwp 6.6 Mwpd 6.6	2023-03-02 18:04:34	-15.4195	166.409	15	2023-03-02 18:38:19	Sala Sismica INGV-Roma	114946551

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2023-03-02 18:04:34
Latitude	-15.4195
Longitude	166.4090
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	114946551

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	51989441
Semi-minor axis of confidence ellipse (meter)	33678169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	346
Circular confidence region, given by single value of horizontal uncertainty (meter)	47746600.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	54.1896
Number of associated phases, regardless of their use for origin computation	61
Number of defining phases	61
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	2.66173
Epicentral distance of station closest to the epicenter (degree)	5.51345
Epicentral distance of station farthest from the epicenter (degree)	94.38684
Number of stations at which the event was observed	61
Number of stations from which data was used for origin computation	61

Magnitudes information

Mwp:6.6

Field	Value
Value	6.6
Uncertainty	0.1
Num. used stations	33
Type of magnitude	Mwp
Reference to an origin	114946551
Agency	INGV
Autore	Auto added
Time of creation (UTC)	2023-03-02 18:38:19

Mwpd:6.6

Field	Value
Value	6.6
Uncertainty	0.1
Num. used stations	32
Type of magnitude	Mwpd
Reference to an origin	114946551
Agency	INGV
Autore	Auto added
Time of creation (UTC)	2023-03-02 18:38:19

mb:5.4

Field	Value
Value	5.4
Uncertainty	0.1
Num. used stations	39
Type of magnitude	mb
Reference to an origin	114946551
Agency	INGV
Autore	Auto added
Time of creation (UTC)	2023-03-02 18:38:19

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
US.HWUT.BHZ.00	2023-03-02T18:17:52.30	10.0	positive	automatic	P	48	94.3868	-0.0652897	0.0878568
GE.SNAA.BHZ.	2023-03-02T18:17:46.16	10.0	positive	automatic	P	183	92.6003	1.83463	0.0976482
US.WUAZ.BHZ.00	2023-03-02T18:17:45.23	10.0	positive	automatic	P	54	92.7594	-1.2317	0.096195
US.HLID.BHZ.00	2023-03-02T18:17:45.63	10.0	positive	automatic	P	45	92.9807	-0.26211	0.0886081
IU.TUC.BHZ.00	2023-03-02T18:17:42.52	10.0	positive	automatic	P	57	92.2937	-1.89598	0.0918872
US.NEW.BHZ.00	2023-03-02T18:17:42.48	10.0	positive	automatic	P	40	92.7620	-2.22666	0.0984529
US.ELK.BHZ.00	2023-03-02T18:17:36.95	10.0	positive	automatic	P	48	91.4911	-2.12492	0.102412
US.BMO.BHZ.00	2023-03-02T18:17:36.78	10.0	positive	automatic	P	44	91.4571	-1.95987	0.102488
GE.MALK.BHZ.	2023-03-02T18:17:28.27	10.0	positive	automatic	P	279	88.2814	3.47108	0.167296
GE.HALK.BHZ.	2023-03-02T18:17:24.50	10.0	positive	automatic	P	277	87.5197	3.26369	0.101223
US.EGAK.BHZ.00	2023-03-02T18:17:23.78	10.0	positive	automatic	P	20	89.4276	-5.35932	0.0261752
IU.COLA.BHZ.00	2023-03-02T18:17:14.42	10.0	positive	automatic	P	18	87.4165	-3.98835	0.110863
BK.CMB.BHZ.00	2023-03-02T18:17:14.22	10.0	positive	automatic	P	49	86.8103	-3.27039	0.0543503
AT.TTA.BHZ.	2023-03-02T18:16:58.86	10.0	positive	automatic	P	16	83.6284	-2.40255	0.118503
IU.ULN.BHZ.00	2023-03-02T18:16:51.92	10.0	positive	automatic	P	324	82.3838	-1.89081	0.126293
IU.BILL.BHZ.00	2023-03-02T18:16:51.42	10.0	positive	automatic	P	0	83.4811	-7.68008	0.136798
IU.YAK.BHZ.00	2023-03-02T18:16:51.37	10.0	positive	automatic	P	344	82.6695	-2.97243	0.0659957
AK.GAMB.BHZ.	2023-03-02T18:16:38.31	10.0	positive	automatic	P	10	80.9778	-8.40005	0.131991
IU.MA2.BHZ.00	2023-03-02T18:16:13.27	10.0	positive	automatic	P	352	76.0611	-5.95338	0.116545
IU.CHTO.BHZ.00	2023-03-02T18:16:09.02	10.0	positive	automatic	P	295	74.6906	-3.30198	0.175072
IU.QSPA.BHZ.00	2023-03-02T18:16:09.02	10.0	positive	automatic	P	180	74.5112	-3.02545	0.147395
RM.SLV.BHZ.	2023-03-02T18:15:56.42	10.0	positive	automatic	P	299	71.4590	2.843	0.111083
PS.VIVO.BHZ.	2023-03-02T18:15:37.61	10.0	positive	automatic	P	298	68.7861	1.28388	0.0836271
MY.KUM.BHZ.	2023-03-02T18:15:36.37	10.0	positive	automatic	P	282	68.3066	3.05529	0.171495
MY.IPM.BHZ.	2023-03-02T18:15:32.67	10.0	positive	automatic	P	282	67.6904	3.17325	0.2224
IU.PET.BHZ.00	2023-03-02T18:15:28.95	10.0	positive	automatic	P	355	68.7665	-6.47279	0.153127
IU.YSS.BHZ.00	2023-03-02T18:15:14.40	10.0	positive	automatic	P	343	65.8939	-3.29039	0.250868
PS.TJN.BHZ.	2023-03-02T18:14:59.11	10.0	positive	automatic	P	326	63.5673	-3.72563	0.09093
JP.JKA.BHZ.	2023-03-02T18:14:58.75	10.0	positive	automatic	P	341	63.3796	-2.87163	0.129698
II.ERM.BHZ.00	2023-03-02T18:14:49.52	10.0	positive	automatic	P	340	61.3059	1.65224	0.165186
JP.JTU.BHZ.	2023-03-02T18:14:44.60	10.0	positive	automatic	P	325	61.0851	-2.35814	0.106046
JP.JTM.BHZ.	2023-03-02T18:14:41.75	10.0	positive	automatic	P	338	60.9246	-3.01342	0.106605
JP.JSU.BHZ.	2023-03-02T18:14:25.00	10.0	positive	automatic	P	324	58.2406	-0.952126	0.164238
JP.JMN.BHZ.	2023-03-02T18:14:23.95	10.0	positive	automatic	P	328	58.1088	-1.54276	0.117189
IU.MAJO.BHZ.00	2023-03-02T18:14:23.77	10.0	positive	automatic	P	334	58.3840	-2.36022	0.116087
JP.JGF.BHZ.	2023-03-02T18:14:22.75	10.0	positive	automatic	P	332	57.9671	-1.01682	0.117763
G.INU.BHZ.00	2023-03-02T18:14:21.16	10.0	positive	automatic	P	332	57.9029	-2.0795	0.116741
JP.JOW.BHZ.	2023-03-02T18:14:13.85	10.0	positive	automatic	P	318	56.1804	1.80812	0.265326
GE.JAGI.BHZ.	2023-03-02T18:13:39.07	10.0	positive	automatic	P	271	51.4753	2.57247	0.326152
AU.MORW.BHZ.	2023-03-02T18:13:11.15	10.0	positive	automatic	P	245	48.1911	-0.839278	0.360613
II.KAPI.BHZ.00	2023-03-02T18:13:04.87	10.0	positive	automatic	P	278	46.9690	1.72048	0.307998
IU.MBWA.BHZ.00	2023-03-02T18:12:46.52	10.0	positive	automatic	P	255	44.5354	3.06024	0.199528
GE.SANI.BHZ.	2023-03-02T18:12:24.62	10.0	positive	automatic	P	285	42.0154	1.87407	0.462119
G.PPTF.BHZ.00	2023-03-02T18:12:23.30	10.0	positive	automatic	P	99	42.1743	-3.33889	0.460171
AU.FORT.BHZ.00	2023-03-02T18:11:50.65	10.0	positive	automatic	P	239	38.2234	-1.48617	0.593994
IU.RAR.BHZ.00	2023-03-02T18:11:07.45	10.0	positive	automatic	P	105	32.5571	2.91101	0.75514
AU.TOO.BHZ.00	2023-03-02T18:10:36.30	10.0	positive	automatic	P	216	28.8553	5.49	0.43956
NZ.URZ.HHZ.10	2023-03-02T18:09:55.39	10.0	positive	automatic	P	160	24.7100	3.36305	0.634921
AU.QLP.BHZ.	2023-03-02T18:09:40.45	10.0	positive	automatic	P	238	23.4616	-1.21862	0.479033
AU.RIV.BHZ.	2023-03-02T18:09:40.60	10.0	positive	automatic	P	214	22.9818	2.61702	0.833333
PS.PATS.BHZ.	2023-03-02T18:09:38.86	10.0	positive	automatic	P	340	23.6557	-4.90145	0.440653
AU.COEN.BHZ.00	2023-03-02T18:09:30.20	10.0	positive	automatic	P	271	22.5101	-1.72041	1.34576
NZ.OUZ.HHZ.10	2023-03-02T18:09:13.80	10.0	positive	automatic	P	163	20.8208	-0.904823	0.947867
IU.CTAO.BHZ.00	2023-03-02T18:09:02.05	10.0	positive	automatic	P	253	19.7372	-0.863457	1.42341
GE.PMG.BHZ.00	2023-03-02T18:09:01.47	10.0	positive	automatic	P	285	19.7274	-1.49621	0.645094
AU.EIDS.BHZ.	2023-03-02T18:08:36.72	10.0	positive	automatic	P	233	17.4490	0.631744	0.301716
IU.FUNA.BHZ.00	2023-03-02T18:07:55.12	10.0	positive	automatic	P	63	14.2744	0.912415	0.91954
II.MSVF.BHZ.00	2023-03-02T18:07:16.10	10.0	positive	automatic	P	103	11.3966	0.125115	0.869565
IU.HNR.BHZ.00	2023-03-02T18:06:40.02	10.0	positive	automatic	P	313	8.6909	1.62879	0.898876
ND.ONTNC.BHZ.00	2023-03-02T18:06:12.95	10.0	positive	automatic	P	180	6.8876	-0.708279	0.930233
ND.KOUNC.BHZ.00	2023-03-02T18:05:54.95	10.0	positive	automatic	P	201	5.5134	0.718855	1.2179

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of Mwp 6.6 on date 02-03-2023 and time 18:04:34 (UTC) in region Vanuatu Islands [Sea: Vanuatu]

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Mwp:6.6

Mwpd:6.6

mb:5.4