Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 6.0 on date 15-09-2023 and time 20:07:39 (Italy) in region Chile (Peruvian point of view) [Sea]

A magnitude Mwp 6.0 earthquake occured in region: Chile (Peruvian point of view) [Sea], on

  • 15-09-2023 18:07:39 (UTC)
  • 15-09-2023 20:07:39 (UTC +02:00) Italian time
  • 15-09-2023 15:07:39 (UTC -03:00) local time in the region of the earthquake (America/Argentina/La_Rioja)

and geographic coordinates (lat, lon) -27.2600, -71.7850 at 9 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 5.2
Mwp 6.0
Mwpd 6.2 		2023-09-15
18:07:39		 -27.2602 -71.7846 9 2023-09-15
18:24:56		 Sala Sismica INGV-Roma 121084561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-15 18:07:39
Latitude -27.2602
Longitude -71.7846
Depth (km) 9 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 121084561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 10286913
Semi-minor axis of confidence ellipse (meter) 6332050
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 9394560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103.029
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 2.89451
Epicentral distance of station closest to the epicenter (degree) 1.41546
Epicentral distance of station farthest from the epicenter (degree) 91.58976
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

Mwpd:6.2

Field Value
Value 6.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude Mwpd
Reference to an origin 121084561
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-15 18:24:56

Mwp:6.0

Field Value
Value 6.0
Uncertainty 0.1
Num. used stations 11
Type of magnitude Mwp
Reference to an origin 121084561
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-15 18:24:56

mb:5.2

Field Value
Value 5.2
Uncertainty 0.1
Num. used stations 25
Type of magnitude mb
Reference to an origin 121084561
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-09-15 18:24:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IU.LSZ.BHZ.00 2023-09-15T18:20:50.82 10.0 positive automatic P 108 10166.4678 3.58983 0.0953788
WM.TIO.BHZ. 2023-09-15T18:20:15.65 10.0 positive automatic P 51 9399.7575 2.33152 0.059641
GT.LBTB.BHZ.00 2023-09-15T18:20:15.85 10.0 positive automatic P 116 9415.1976 1.29679 0.115044
GT.BOSA.BHZ.00 2023-09-15T18:20:06.23 10.0 positive automatic P 119 9200.79 1.83168 0.123303
US.HLID.BHZ.00 2023-09-15T18:19:57.48 10.0 positive automatic P 330 8978.7234 3.78737 0.127973
IU.TSUM.BHZ.00 2023-09-15T18:19:55.57 10.0 positive automatic P 107 8968.2672 1.32233 0.126797
AF.ALKP.BHZ. 2023-09-15T18:19:52.33 10.0 positive automatic P 119 8874.3612 3.81648 0.125179
AU.MAW.BHZ. 2023-09-15T18:19:47.20 10.0 positive automatic P 164 8803.3989 1.42246 0.0629039
GE.WIN.BHZ. 2023-09-15T18:19:46.60 10.0 positive automatic P 110 8761.5963 3.51482 0.134396
US.DUG.BHZ.00 2023-09-15T18:19:39.53 10.0 positive automatic P 329 8600.9016 4.50273 0.126253
US.TPNV.BHZ.00 2023-09-15T18:19:35.08 10.0 positive automatic P 325 8502.6333 3.77163 0.142708
US.ECSD.BHZ.00 2023-09-15T18:19:20.68 10.0 positive automatic P 342 8275.3608 2.55391 0.142377
GT.DBIC.BHZ.00 2023-09-15T18:19:09.88 10.0 positive automatic P 73 8099.781 1.26865 0.197973
IU.SBA.BHZ.00 2023-09-15T18:18:52.87 10.0 positive automatic P 191 7714.7331 3.97596 0.17335
GE.SNAA.BHZ. 2023-09-15T18:17:30.26 10.0 positive automatic P 160 6397.9068 0.343533 0.246338
IU.TEIG.BHZ.00 2023-09-15T18:16:37.75 10.0 positive automatic P 340 5560.8558 3.90114 0.29584
G.MPG.BHZ.00 2023-09-15T18:14:51.25 10.0 positive automatic P 33 4138.1577 0.264984 0.84576
BL.PMNB.HHZ. 2023-09-15T18:13:01.73 10.0 positive automatic P 75 2759.5932 -0.129568 0.943396
IU.SAML.BHZ.00 2023-09-15T18:12:12.57 10.0 positive automatic P 26 2223.7185 1.42665 0.952381
GT.CPUP.BHZ.00 2023-09-15T18:10:43.93 10.0 positive automatic P 89 1434.9303 1.37779 0.677966
GT.LPAZ.BHZ.00 2023-09-15T18:10:23.40 10.0 positive automatic P 18 1274.5242 -1.45144 0.981456
C1.VA04.BHZ. 2023-09-15T18:09:44.50 10.0 positive automatic P 222 977.355 -1.83393 0.869565
C.GO03.BHZ. 2023-09-15T18:08:02.75 10.0 positive automatic P 104 157.1205 -3.3606 1.65844
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