Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.6 on date 05-02-2023 and time 02:02:44 (Italy) in region Chile (Peruvian point of view) [Sea]

A magnitude Mwp 5.6 earthquake occured in region: Chile (Peruvian point of view) [Sea], on

  • 05-02-2023 01:02:44 (UTC)
  • 05-02-2023 02:02:44 (UTC +01:00) Italian time
  • 04-02-2023 22:02:44 (UTC -03:00) local time in the region of the earthquake (America/Argentina/San_Juan)

and geographic coordinates (lat, lon) -29.6050, -71.2910 at 68 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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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 5.4
Mwp 5.6 		2023-02-05
01:02:44		 -29.6051 -71.2913 68 2023-02-05
01:20:40		 Sala Sismica INGV-Roma 114063471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-05 01:02:44
Latitude -29.6051
Longitude -71.2913
Depth (km) 68 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 114063471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8218
Semi-minor axis of confidence ellipse (meter) 4463
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 7361.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102.428
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.43461
Epicentral distance of station closest to the epicenter (degree) 0.70999
Epicentral distance of station farthest from the epicenter (degree) 55.29116
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

Mwp:5.6

Field Value
Value 5.6
Uncertainty 0.2
Num. used stations 9
Type of magnitude Mwp
Reference to an origin 114063471
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-05 01:20:40

mb:5.4

Field Value
Value 5.4
Uncertainty 0.1
Num. used stations 15
Type of magnitude mb
Reference to an origin 114063471
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2023-02-05 01:20:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GE.SNAA.BHZ. 2023-02-05T01:12:11.96 10.0 negative automatic P 159 55.2912 1.27921 0
IU.TEIG.BHZ.00 2023-02-05T01:11:50.32 10.0 negative automatic P 340 52.4477 0.521659 0.491352
IU.SJG.BHZ.00 2023-02-05T01:11:14.25 10.0 negative automatic P 7 47.9690 -1.77359 0.580693
CU.TGUH.BHZ.00 2023-02-05T01:11:04.28 10.0 negative automatic P 338 46.3025 1.0954 0.63061
G.MPG.BHZ.00 2023-02-05T01:10:04.05 10.0 negative automatic P 30 39.0539 -0.267756 0.76555
IU.SDV.BHZ.00 2023-02-05T01:09:59.27 10.0 negative automatic P 1 38.4925 -0.602683 0.785902
BL.PMNB.HHZ. 2023-02-05T01:08:03.63 10.0 negative automatic P 70 25.1651 0.471981 0.930233
II.EFI.BHZ.00 2023-02-05T01:07:54.22 10.0 negative automatic P 160 24.1570 0.374521 0.952381
C1.MG02.BHZ. 2023-02-05T01:07:46.48 10.0 positive automatic P 177 23.2245 1.15446 0.941176
II.NNA.BHZ.00 2023-02-05T01:06:55.62 10.0 negative automatic P 343 18.3568 2.34058 0.888889
G.COYC.BHZ.00 2023-02-05T01:06:25.10 10.0 negative automatic P 182 15.9793 0.423634 0.888889
C1.VA04.BHZ. 2023-02-05T01:05:55.80 10.0 positive automatic S 236 7.5796 0.00528342 0
GT.LPAZ.BHZ.00 2023-02-05T01:05:52.78 10.0 positive automatic P 13 13.6287 -2.31112 0.941176
C1.LL01.BHZ. 2023-02-05T01:05:42.20 10.0 positive automatic P 184 12.8048 -1.0025 0.963855
GT.CPUP.BHZ.00 2023-02-05T01:05:39.95 10.0 negative automatic P 78 12.7473 -2.47601 0.769231
GT.PLCA.BHZ.00 2023-02-05T01:05:19.55 10.0 positive automatic P 177 11.1435 -1.18687 0.97561
CX.MNMCX.BHZ. 2023-02-05T01:05:09.60 10.0 positive automatic P 9 10.5863 -3.74925 0.232558
C.GO06.BHZ. 2023-02-05T01:05:03.15 10.0 negative automatic P 181 9.9795 -1.74066 0.898876
C1.VA04.BHZ. 2023-02-05T01:04:31.90 10.0 positive automatic P 236 7.5796 -0.00872572 0.941176
C.GO05.BHZ. 2023-02-05T01:04:01.10 10.0 positive automatic P 186 5.4315 -1.42707 0.869565
C1.BO02.BHZ. 2023-02-05T01:03:59.37 10.0 positive automatic P 175 5.2050 -0.199312 0.963855
C.GO02.BHZ. 2023-02-05T01:03:54.23 10.0 positive automatic P 19 4.6918 1.3828 0.941176
G.PEL.BHZ.00 2023-02-05T01:03:38.10 10.0 positive automatic P 172 3.5773 0.803218 0.952381
WA.ZON.HHZ. 2023-02-05T01:03:30.69 10.0 positive automatic P 132 2.9667 1.7052 0.966184
C1.CO02.BHZ. 2023-02-05T01:03:11.48 10.0 positive automatic P 171 1.6181 0.660009 0.97561
IU.LCO.BHZ.00 2023-02-05T01:03:01.32 10.0 negative automatic P 41 0.7863 0.99229 0.930233
C.GO04.BHZ. 2023-02-05T01:03:00.05 10.0 positive automatic P 143 0.7100 0.636954 0.97561
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