Earthquake with magnitude of Mwp 6.4 on date 07-09-2023 and time 01:48:05 (Italy) in region Chile (Peruvian point of view) [Sea]

A magnitude Mwp 6.4 earthquake occured in region: Chile (Peruvian point of view) [Sea], on

  • 06-09-2023 23:48:05 (UTC)
  • 07-09-2023 01:48:05 (UTC +02:00) Italian time
  • 06-09-2023 20:48:05 (UTC -03:00) local time in the region of the earthquake (America/Argentina/San_Juan)

and geographic coordinates (lat, lon) -30.2920, -71.6740 at 51 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 5.7
Mwp 6.4

Mwpd 6.6
2023-09-06
23:48:05
-30.2924 -71.6738 51 2023-09-07
00:02:25
Sala Sismica INGV-Roma 120837021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-06 23:48:05
Latitude -30.2924
Longitude -71.6738
Depth (km) 51 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 120837021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 8628329
Semi-minor axis of confidence ellipse (meter) 7723940
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) 9345360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86.4549
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.89165
Epicentral distance of station closest to the epicenter (degree) 1.07956
Epicentral distance of station farthest from the epicenter (degree) 49.27373
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

Mwpd:6.6

Field Value
Value 6.6
Uncertainty 0.1
Num. used stations 17
Type of magnitude Mwpd
Reference to an origin 120837021
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-07 00:02:25

Mwp:6.4

Field Value
Value 6.4
Uncertainty 0.2
Num. used stations 23
Type of magnitude Mwp
Reference to an origin 120837021
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-07 00:02:25

mb:5.7

Field Value
Value 5.7
Uncertainty 0.1
Num. used stations 19
Type of magnitude mb
Reference to an origin 120837021
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-07 00:02:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CU.SDDR.BHZ.00 2023-09-06T23:56:47.65 10.0 positive automatic P 0 5469.3807 -0.675494 0.398726
CU.MTDJ.BHZ.00 2023-09-06T23:56:45.50 10.0 positive automatic P 353 5421.6063 0.304002 0.439437
CU.ANWB.BHZ.00 2023-09-06T23:56:42.40 10.0 positive automatic P 13 5427.3228 -1.23078 0.354319
IU.SJG.BHZ.00 2023-09-06T23:56:42.12 10.0 positive automatic P 7 5404.6677 0.025024 0.0730923
CU.TGUH.BHZ.00 2023-09-06T23:56:30.90 10.0 positive automatic P 339 5197.2531 0.277198 0.372551
II.JTS.BHZ.00 2023-09-06T23:55:57.80 10.0 positive automatic P 340 4722.2619 0.666504 0.437168
IU.RCBR.BHZ.00 2023-09-06T23:55:47.37 10.0 positive automatic P 61 4613.937 -0.807275 0.623088
G.MPG.BHZ.00 2023-09-06T23:55:31.75 10.0 positive automatic P 30 4419.3873 -1.38191 0.74988
IU.SDV.BHZ.00 2023-09-06T23:55:27.27 10.0 positive automatic P 2 4349.7903 -0.0618184 0.826271
IU.PMSA.BHZ.00 2023-09-06T23:54:52.77 10.0 positive automatic P 174 3863.7435 0.710392 0.188705
IU.PAYG.BHZ.00 2023-09-06T23:54:51.75 10.0 positive automatic P 326 3828.7008 1.18452 0.665127
BL.PMNB.HHZ. 2023-09-06T23:53:29.82 10.0 positive automatic P 69 2854.92 -0.951687 1.3713
II.EFI.BHZ.00 2023-09-06T23:53:10.70 10.0 positive automatic P 159 2623.2075 -0.676063 0.909091
C.GO10.BHZ. 2023-09-06T23:53:06.20 10.0 positive automatic P 179 2538.0927 0.996249 0.869565
C1.MG02.BHZ. 2023-09-06T23:53:02.58 10.0 positive automatic P 176 2504.0268 1.70101 0.463532
IU.SAML.BHZ.00 2023-09-06T23:53:01.87 10.0 positive automatic P 22 2527.3479 -0.245695 0.87408
II.NNA.BHZ.00 2023-09-06T23:52:23.52 10.0 positive automatic P 344 2100.1755 1.21248 1.33434
G.COYC.BHZ.00 2023-09-06T23:51:38.55 10.0 positive automatic P 181 1696.4352 0.0180487 1.0841
C1.LL02.BHZ. 2023-09-06T23:51:05.83 10.0 positive automatic P 181 1431.7113 0.0715965 0.952381
C1.LL01.BHZ. 2023-09-06T23:50:53.68 10.0 positive automatic P 183 1343.1333 -1.13309 0.963855
GT.PLCA.BHZ.00 2023-09-06T23:50:32.70 10.0 positive automatic P 175 1163.2245 -0.228505 0.952381
C.GO06.BHZ. 2023-09-06T23:50:16.40 10.0 positive automatic P 179 1031.4786 -0.242232 0.97561
C1.VA04.BHZ. 2023-09-06T23:49:42.48 10.0 positive automatic P 239 769.341 -1.63071 0.509899
C.GO02.BHZ. 2023-09-06T23:49:23.48 10.0 positive automatic P 20 605.0166 -0.751702 0.448974
C.GO05.BHZ. 2023-09-06T23:49:13.08 10.0 positive automatic P 183 524.1642 -0.808722 0.964451
C1.BO02.BHZ. 2023-09-06T23:49:12.47 10.0 positive automatic P 171 506.4042 0.70987 1.76706
G.PEL.BHZ.00 2023-09-06T23:48:50.75 10.0 positive automatic P 164 330.225 0.828999 1.90476
WA.ZON.HHZ. 2023-09-06T23:48:49.31 10.0 positive automatic Pg 117 316.8162 0.989783 1.9802
C.GO03.BHZ. 2023-09-06T23:48:49.83 10.0 positive automatic P 25 330.5358 0.224295 2.8585
IU.LCO.BHZ.00 2023-09-06T23:48:29.07 10.0 positive automatic P 34 170.4183 -0.806593 1.88506
C1.CO02.BHZ. 2023-09-06T23:48:22.73 10.0 positive automatic P 148 119.8356 -1.44759 0.734491
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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