Earthquake Cook Strait, New Zealand [Sea: New Zealand], Magnitude Mwp 5.6, 15 February 2023 time 07:38:08 (Timezone Italy)

A magnitude Mwp 5.6 earthquake occured in region: Cook Strait, New Zealand [Sea: New Zealand], on

15-02-2023 06:38:08 (UTC)
15-02-2023 07:38:08 (UTC +01:00) Italian time
15-02-2023 19:38:08 (UTC +13:00) local time in the region of the earthquake (Pacific/Auckland)

and geographic coordinates (lat, lon) -40.5140, 174.4340 at 33 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.

Did you feel it? Fill in the questionnaire.

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 5.5 Mwp 5.6 Mwpd 6.1	2023-02-15 06:38:08	-40.5141	174.434	33	2023-02-15 06:52:28	Sala Sismica INGV-Roma	114449001

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2023-02-15 06:38:08
Latitude	-40.5141
Longitude	174.4340
Depth (km)	33 (from location)
Evaluation mode of Origin	automatic
Evaluation status of Origin	reviewed
Version	100 -> SURVEY-INGV-A
Event type	earthquake
Origin ID	114449001

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	16930
Semi-minor axis of confidence ellipse (meter)	7041
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	96
Circular confidence region, given by single value of horizontal uncertainty (meter)	14454.2
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	74.2712
Number of associated phases, regardless of their use for origin computation	44
Number of defining phases	44
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	2.02914
Epicentral distance of station closest to the epicenter (degree)	0.82051
Epicentral distance of station farthest from the epicenter (degree)	75.40928
Number of stations at which the event was observed	41
Number of stations from which data was used for origin computation	41

Magnitudes information

Mwpd:6.1

Field	Value
Value	6.1
Uncertainty	0.1
Num. used stations	4
Type of magnitude	Mwpd
Reference to an origin	114449001
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-02-15 06:52:28

Mwp:5.6

Field	Value
Value	5.6
Uncertainty	0.5
Num. used stations	6
Type of magnitude	Mwp
Reference to an origin	114449001
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-02-15 06:52:28

mb:5.5

Field	Value
Value	5.5
Uncertainty	0.2
Num. used stations	30
Type of magnitude	mb
Reference to an origin	114449001
Agency	INGV
Autore	early-est_ee1.1.9
Time of creation (UTC)	2023-02-15 06:52:28

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
G.COYC.BHZ.00	2023-02-15T06:49:47.95	10.0	negative	automatic	P	138	75.4093	0.120714	0
IU.PMSA.BHZ.00	2023-02-15T06:48:46.02	10.0	positive	automatic	P	156	65.2693	0.192476	0.331686
GE.LUWI.BHZ.	2023-02-15T06:48:15.72	10.0	positive	automatic	P	296	61.0952	-2.43197	0.378012
AU.MAW.BHZ.	2023-02-15T06:48:12.45	10.0	positive	automatic	P	204	60.3816	-0.849502	0.396648
II.KAPI.BHZ.00	2023-02-15T06:48:11.02	10.0	positive	automatic	P	291	60.3534	-2.13705	0.383657
GE.SOEI.BHZ.	2023-02-15T06:47:26.52	10.0	positive	automatic	P	290	53.8394	-0.698403	0.504417
AU.GIRL.BHZ.00	2023-02-15T06:47:21.10	10.0	positive	automatic	P	270	53.2132	-1.36442	0.520585
IU.MBWA.BHZ.00	2023-02-15T06:46:54.90	10.0	positive	automatic	P	276	49.8948	-2.78145	0.513799
AU.MORW.BHZ.	2023-02-15T06:46:44.15	10.0	positive	automatic	P	264	48.4021	-2.12787	0.59424
AU.FITZ.BHZ.	2023-02-15T06:46:36.30	10.0	positive	automatic	P	283	47.3197	-1.5587	0.620383
AU.MTN.BHZ.00	2023-02-15T06:46:32.25	10.0	positive	automatic	P	294	46.8532	-1.9757	0.613864
AU.KDU.BHZ.00	2023-02-15T06:46:24.98	10.0	positive	automatic	P	295	46.0351	-2.81769	0.659182
IU.NWAO.BHZ.00	2023-02-15T06:46:22.55	10.0	positive	automatic	P	261	45.6629	-2.36655	0.657941
IU.CASY.BHZ.00	2023-02-15T06:46:03.47	10.0	positive	automatic	P	212	43.1697	-1.45845	0.687621
AU.RABL.BHZ.00	2023-02-15T06:45:48.95	10.0	positive	automatic	P	325	41.4827	-2.28962	0.745819
II.WRAB.BHZ.00	2023-02-15T06:45:35.70	10.0	positive	automatic	P	289	39.7895	-1.58558	0.7699
GE.PMG.BHZ.00	2023-02-15T06:45:33.17	10.0	positive	automatic	P	315	39.3918	-0.746802	0.708663
G.PPTF.BHZ.00	2023-02-15T06:45:26.25	10.0	negative	automatic	P	64	38.4986	-0.29658	0.758677
AU.FORT.BHZ.00	2023-02-15T06:45:24.70	10.0	positive	automatic	P	270	38.4548	-1.38554	0.786971
IU.SBA.BHZ.00	2023-02-15T06:45:18.77	10.0	positive	automatic	P	183	37.4687	1.01854	0.769633
GT.VNDA.BHZ.00	2023-02-15T06:45:16.88	10.0	positive	automatic	P	184	37.3756	-0.0984997	0.409232
IU.CTAO.BHZ.00	2023-02-15T06:44:26.25	10.0	positive	automatic	P	302	31.5141	-0.0829749	0.868433
IU.RAR.BHZ.00	2023-02-15T06:44:04.45	10.0	positive	automatic	P	56	29.1682	-1.1	0.930233
AU.QLP.BHZ.	2023-02-15T06:44:00.05	10.0	positive	automatic	P	290	28.5582	-0.11337	0.941176
G.SANVU.BHZ.00	2023-02-15T06:43:33.65	10.0	positive	automatic	P	344	25.8426	-2.10311	0.952381
AU.EIDS.BHZ.	2023-02-15T06:43:24.00	10.0	positive	automatic	P	301	24.6314	0.213048	0.952381
AU.TOO.BHZ.00	2023-02-15T06:43:04.93	10.0	positive	automatic	P	268	22.5674	0.0926526	0.909091
ND.KOUNC.BHZ.00	2023-02-15T06:42:56.70	10.0	positive	automatic	P	334	21.7542	0.618178	0.952381
AU.ARMA.BHZ.	2023-02-15T06:42:51.15	10.0	positive	automatic	P	291	21.0486	2.4666	0.97561
G.CAN.BHZ.00	2023-02-15T06:42:45.75	10.0	positive	automatic	P	276	20.6486	1.46374	0.888889
II.TAU.BHZ.00	2023-02-15T06:42:40.32	10.0	negative	automatic	P	254	20.2914	-0.000492904	0.930233
AU.RIV.BHZ.	2023-02-15T06:42:39.05	10.0	positive	automatic	P	282	19.6421	5.80991	0.930233
ND.MARNC.BHZ.00	2023-02-15T06:42:35.45	10.0	positive	automatic	P	342	19.7930	0.56741	0.930233
ND.ONTNC.BHZ.00	2023-02-15T06:42:30.75	10.0	positive	automatic	P	337	19.4159	-0.0279644	0.952381
AU.MCQ.BHZ.00	2023-02-15T06:42:08.35	10.0	negative	automatic	P	211	17.3781	1.05617	0.91954
AU.NFK.BHZ.00	2023-02-15T06:41:08.70	10.0	negative	automatic	P	333	12.6403	3.80189	0.934579
NZ.OUZ.HHZ.10	2023-02-15T06:39:26.59	10.0	positive	automatic	P	353	5.3352	1.83216	0.884956
NZ.ODZ.HHZ.10	2023-02-15T06:39:23.46	10.0	positive	automatic	P	210	5.3138	-1.04376	0.970874
NZ.URZ.HHZ.10	2023-02-15T06:38:52.51	10.0	negative	automatic	P	43	3.0599	-0.98423	0.97561
NZ.KHZ.HHZ.10	2023-02-15T06:38:41.31	10.0	negative	automatic	P	199	2.0165	2.16772	0.990099
IU.SNZO.BHZ.00	2023-02-15T06:38:25.55	10.0	negative	automatic	P	166	0.8205	2.83535	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 5.6 on date 15-02-2023 and time 07:38:08 (Italy) in region Cook Strait, New Zealand [Sea: New Zealand]

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Mwpd:6.1

Mwp:5.6

mb:5.5