Earthquake with magnitude of Mwp 5.8 on date 25-04-2023 and time 22:16:16 (UTC) in region North Island, New Zealand [Land: New Zealand]

A magnitude Mwp 5.8 earthquake occured in region: North Island, New Zealand [Land: New Zealand], on

  • 25-04-2023 22:16:16 (UTC)
  • 26-04-2023 00:16:16 (UTC +02:00) Italian time
  • 26-04-2023 10:16:16 (UTC +12:00) local time in the region of the earthquake (Pacific/Auckland)

and geographic coordinates (lat, lon) -40.3240, 176.4360 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
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
mb 5.1
Mwp 5.8

Mwpd 6.1
2023-04-25
22:16:16
-40.3242 176.436 10 2023-04-25
22:31:30
Sala Sismica INGV-Roma 116752241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 22:16:16
Latitude -40.3242
Longitude 176.4360
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 116752241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 24210
Semi-minor axis of confidence ellipse (meter) 14993
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 19545.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115.824
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.40724
Epicentral distance of station closest to the epicenter (degree) 1.63874
Epicentral distance of station farthest from the epicenter (degree) 92.99900
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

Mwp:5.8

Field Value
Value 5.8
Uncertainty 0.4
Num. used stations 8
Type of magnitude Mwp
Reference to an origin 116752241
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-04-25 22:31:30

Mwpd:6.1

Field Value
Value 6.1
Uncertainty 0.2
Num. used stations 7
Type of magnitude Mwpd
Reference to an origin 116752241
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-04-25 22:31:30

mb:5.1

Field Value
Value 5.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude mb
Reference to an origin 116752241
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-04-25 22:31:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IU.CHTO.BHZ.00 2023-04-25T22:29:27.75 10.0 negative automatic P 292 10322.889 -0.836837 0.067482
C1.BO02.BHZ. 2023-04-25T22:28:40.20 10.0 positive automatic P 130 9181.0431 1.24387 0
GE.GSI.BHZ. 2023-04-25T22:28:37.22 10.0 positive automatic P 278 9144.2022 0.131057 0.149917
GT.PLCA.BHZ.00 2023-04-25T22:28:19.03 10.0 negative automatic PcP 135 8732.3367 1.69371 0.177085
MY.KOM.BHZ. 2023-04-25T22:28:12.12 10.0 positive automatic P 283 8658.4884 -1.35999 0.0895895
C1.LL02.BHZ. 2023-04-25T22:28:05.48 10.0 negative automatic PcP 136 8466.3363 1.66625 0.206577
GE.SNAA.BHZ. 2023-04-25T22:27:16.06 10.0 positive automatic P 180 7548.0999 1.68174 0.304875
GE.JAGI.BHZ. 2023-04-25T22:26:43.62 10.0 positive automatic P 282 7049.3325 -1.65822 0.287448
AU.MAW.BHZ. 2023-04-25T22:26:33.05 10.0 positive automatic P 203 6789.8478 3.44494 0.385637
GE.SANI.BHZ. 2023-04-25T22:26:14.42 10.0 positive automatic P 297 6598.4727 -3.38937 0.359447
IU.MBWA.BHZ.00 2023-04-25T22:25:19.42 10.0 positive automatic P 274 5705.067 -0.459956 0.537285
AU.MORW.BHZ. 2023-04-25T22:25:08.65 10.0 negative automatic P 263 5543.0847 -0.241494 0.561269
AU.FITZ.BHZ. 2023-04-25T22:24:59.80 10.0 positive automatic P 282 5413.0593 -0.0984251 0
AU.MTN.BHZ.00 2023-04-25T22:24:53.78 10.0 positive automatic P 292 5348.8125 -1.67003 0.275887
AU.KDU.BHZ.00 2023-04-25T22:24:48.58 10.0 negative automatic P 293 5255.8833 -0.355179 0.627214
AU.WRKA.BHZ.00 2023-04-25T22:24:09.98 10.0 positive automatic P 276 4740.3882 -2.11162 0.713003
AU.FORT.BHZ.00 2023-04-25T22:23:50.08 10.0 positive automatic P 268 4438.0242 0.435563 0.756653
IU.SBA.BHZ.00 2023-04-25T22:23:34.97 10.0 negative automatic P 183 4188.8736 4.16654 0.764271
GT.VNDA.BHZ.00 2023-04-25T22:23:32.85 10.0 positive automatic P 185 4183.7676 2.4216 0.0945571
IU.CTAO.BHZ.00 2023-04-25T22:22:48.77 10.0 negative automatic P 299 3633.0411 1.03526 0.843841
AU.QLP.BHZ. 2023-04-25T22:22:24.15 10.0 negative automatic P 287 3323.6508 0.980686 0.91954
AU.EIDS.BHZ. 2023-04-25T22:21:48.15 10.0 negative automatic P 298 2871.5922 1.41192 0.909091
AU.TOO.BHZ.00 2023-04-25T22:21:31.85 10.0 negative automatic P 266 2674.9557 1.16195 0.888889
AU.ARMA.BHZ. 2023-04-25T22:21:16.30 10.0 positive automatic P 288 2488.2315 2.49522 0.909091
G.CAN.BHZ.00 2023-04-25T22:21:12.90 10.0 positive automatic P 274 2458.4835 2.02903 0.701754
ND.KOUNC.BHZ.00 2023-04-25T22:21:11.90 10.0 positive automatic P 329 2477.8974 -0.7341 0
AU.MILA.BHZ.00 2023-04-25T22:21:05.30 10.0 negative automatic P 270 2381.5383 1.8377 0.941176
NZ.ODZ.HHZ.10 2023-04-25T22:17:45.29 10.0 negative automatic P 220 705.0942 -3.2988 0.97561
NZ.OUZ.HHZ.10 2023-04-25T22:17:37.53 10.0 negative automatic P 335 618.8361 -0.344119 0.980392
NZ.KHZ.HHZ.10 2023-04-25T22:16:59.85 10.0 positive automatic P 225 334.7982 -2.85231 0.990099
NZ.URZ.HHZ.10 2023-04-25T22:16:46.79 10.0 positive automatic P 14 236.43 -3.7286 0.961538
IU.SNZO.BHZ.00 2023-04-25T22:16:42.20 10.0 positive automatic P 233 181.8957 -1.5748 0.963855
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