Earthquake Vanuatu Islands [Sea: Vanuatu], Magnitude Mwp 5.7, 16 February 2023 time 06:37:06 (Timezone Italy)

A magnitude Mwp 5.7 earthquake occured in region: Vanuatu Islands [Sea: Vanuatu], on

16-02-2023 05:37:06 (UTC)
16-02-2023 06:37:06 (UTC +01:00) Italian time
16-02-2023 16:37:06 (UTC +11:00) local time in the region of the earthquake (Pacific/Efate)

and geographic coordinates (lat, lon) -15.0190, 167.0510 at 31 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 5.7 Mwpd 5.9	2023-02-16 05:37:06	-15.0187	167.051	31	2023-02-16 05:51:43	Sala Sismica INGV-Roma	114475231

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2023-02-16 05:37:06
Latitude	-15.0187
Longitude	167.0510
Depth (km)	31 (from location)
Evaluation mode of Origin	automatic
Evaluation status of Origin	reviewed
Version	100 -> SURVEY-INGV-A
Event type	earthquake
Origin ID	114475231

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	14333
Semi-minor axis of confidence ellipse (meter)	7336
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	147
Circular confidence region, given by single value of horizontal uncertainty (meter)	12905.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	61.3334
Number of associated phases, regardless of their use for origin computation	40
Number of defining phases	40
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	1.32183
Epicentral distance of station closest to the epicenter (degree)	0.45293
Epicentral distance of station farthest from the epicenter (degree)	87.54634
Number of stations at which the event was observed	37
Number of stations from which data was used for origin computation	37

Magnitudes information

Mwp:5.7

Field	Value
Value	5.7
Uncertainty	0.1
Num. used stations	6
Type of magnitude	Mwp
Reference to an origin	114475231
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-02-16 05:51:43

Mwpd:5.9

Field	Value
Value	5.9
Uncertainty	0.1
Num. used stations	5
Type of magnitude	Mwpd
Reference to an origin	114475231
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-02-16 05:51:43

mb:5.4

Field	Value
Value	5.4
Uncertainty	0.1
Num. used stations	27
Type of magnitude	mb
Reference to an origin	114475231
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-02-16 05:51:43

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
US.NLWA.BHZ.00	2023-02-16T05:49:49.25	10.0	positive	automatic	P	39	87.5463	-0.576462	0.108308
IU.COLA.BHZ.00	2023-02-16T05:49:43.32	10.0	negative	automatic	P	18	86.8471	-3.04733	0
BK.CMB.BHZ.00	2023-02-16T05:49:41.77	10.0	negative	automatic	P	49	86.0798	-0.916566	0.124887
BK.SAO.BHZ.00	2023-02-16T05:49:36.47	10.0	negative	automatic	P	50	84.8103	0.169814	0.130443
IU.YAK.BHZ.00	2023-02-16T05:49:22.62	10.0	negative	automatic	P	343	82.4619	-1.60985	0
IU.CHTO.BHZ.00	2023-02-16T05:48:44.42	10.0	positive	automatic	PcP	295	75.0849	0.647652	0.205068
IU.MA2.BHZ.00	2023-02-16T05:48:44.97	10.0	positive	automatic	P	352	75.7535	-2.62518	0.207695
RM.SLV.BHZ.	2023-02-16T05:48:26.42	10.0	positive	automatic	P	299	71.8046	1.91607	0.248769
MY.IPM.BHZ.	2023-02-16T05:48:02.72	10.0	positive	automatic	P	281	68.2187	0.28256	0.303051
IU.YSS.BHZ.00	2023-02-16T05:47:45.50	10.0	positive	automatic	P	342	65.7005	-0.912657	0.326979
IU.SBA.BHZ.00	2023-02-16T05:47:28.02	10.0	positive	automatic	P	180	62.8278	0.440304	0.355918
GT.VNDA.BHZ.00	2023-02-16T05:47:25.08	10.0	positive	automatic	P	181	62.5512	-0.671638	0.343893
JP.JTM.BHZ.	2023-02-16T05:47:11.85	10.0	positive	automatic	P	338	60.7858	-2.00735	0.366314
IU.MAJO.BHZ.00	2023-02-16T05:46:54.47	10.0	positive	automatic	P	333	58.3055	-2.33615	0.437011
JP.JMN.BHZ.	2023-02-16T05:46:54.15	10.0	positive	automatic	P	328	58.0986	-1.23576	0.440068
JP.JGF.BHZ.	2023-02-16T05:46:51.75	10.0	positive	automatic	P	332	57.9051	-2.28426	0.432635
JP.JOW.BHZ.	2023-02-16T05:46:43.20	10.0	negative	automatic	P	318	56.2956	0.607641	0.456289
GE.JAGI.BHZ.	2023-02-16T05:46:10.27	10.0	positive	automatic	P	271	52.0868	-1.65692	0.367347
AU.MORW.BHZ.	2023-02-16T05:45:47.57	10.0	positive	automatic	P	244	48.9229	-0.488321	0.600624
IU.NWAO.BHZ.00	2023-02-16T05:45:43.27	10.0	positive	automatic	P	239	48.3925	-0.727104	0.595421
IU.MBWA.BHZ.00	2023-02-16T05:45:19.60	10.0	negative	automatic	P	255	45.2373	0.299011	0.65097
G.PPTF.BHZ.00	2023-02-16T05:44:51.70	10.0	negative	automatic	P	100	41.6298	1.39472	0.700831
AU.FORT.BHZ.00	2023-02-16T05:44:27.85	10.0	positive	automatic	P	239	38.9608	-0.269675	0.787587
AU.WRKA.BHZ.00	2023-02-16T05:44:16.00	10.0	positive	automatic	P	248	37.6173	-0.89334	0.795337
GE.FAKI.BHZ.	2023-02-16T05:44:05.97	10.0	positive	automatic	P	286	36.3640	-0.190556	0.378677
AU.MTN.BHZ.00	2023-02-16T05:43:54.10	10.0	positive	automatic	P	269	34.8911	0.577805	0.850499
AU.KDU.BHZ.00	2023-02-16T05:43:42.53	10.0	negative	automatic	P	270	33.6188	0.0398432	0.89826
II.WRAB.BHZ.00	2023-02-16T05:43:22.65	10.0	positive	automatic	P	256	31.5142	-1.46891	0.889614
G.CAN.BHZ.00	2023-02-16T05:42:36.60	10.0	positive	automatic	P	215	25.9607	1.88003	0.952381
AU.QLP.BHZ.	2023-02-16T05:42:18.82	10.0	positive	automatic	P	238	24.1994	0.188626	0.963855
AU.ARMA.BHZ.	2023-02-16T05:41:45.65	10.0	positive	automatic	P	220	20.9143	0.628208	0.952381
IU.CTAO.BHZ.00	2023-02-16T05:41:40.87	10.0	positive	automatic	P	253	20.4469	1.04192	0.963855
GE.PMG.BHZ.00	2023-02-16T05:41:39.47	10.0	positive	automatic	P	284	20.2257	2.09262	0.909091
AU.EIDS.BHZ.	2023-02-16T05:41:15.07	10.0	negative	automatic	P	233	18.1849	0.0508046	0.898876
IU.FUNA.BHZ.00	2023-02-16T05:40:15.80	10.0	negative	automatic	P	63	13.5399	0.891696	0.963855
IU.HNR.BHZ.00	2023-02-16T05:39:12.55	10.0	negative	automatic	P	308	8.9037	1.04764	0.930233
G.SANVU.BHZ.00	2023-02-16T05:37:13.15	10.0	positive	automatic	P	161	0.4529	-1.39171	0.97561

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 5.7 on date 16-02-2023 and time 06:37:06 (Italy) in region Vanuatu Islands [Sea: Vanuatu]

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Mwp:5.7

Mwpd:5.9

mb:5.4