Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 17-10-2023 and time 23:32:25 (Italy) in region 7 km W Castelsaraceno (PZ)

A magnitude ML 0.9 earthquake occured in region: 7 km W Castelsaraceno (PZ), on

  • 17-10-2023 21:32:25 (UTC)
  • 17-10-2023 23:32:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.1720, 15.9170 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelsaraceno PZ 7 1384 1384
Moliterno PZ 9 4062 5446
Sarconi PZ 9 1404 6850
Spinoso PZ 11 1462 8312
Latronico PZ 12 4556 12868
Grumento Nova PZ 13 1700 14568
San Martino d'Agri PZ 14 801 15369
San Chirico Raparo PZ 14 1084 16453
Lagonegro PZ 14 5584 22037
Carbone PZ 15 638 22675
Lauria PZ 15 12919 35594
Nemoli PZ 15 1495 37089
Montemurro PZ 16 1235 38324
Rivello PZ 17 2767 41091
Castelluccio Superiore PZ 19 824 41915
Viggiano PZ 19 3329 45244
Episcopia PZ 19 1434 46678
Castelluccio Inferiore PZ 19 2131 48809
Calvera PZ 20 387 49196
Armento PZ 20 631 49827
Trecchina PZ 20 2316 52143
Tramutola PZ 20 3089 55232

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km S of Potenza (67122 inhabitants)
80 Km SW of Matera (60436 inhabitants)
91 Km SW of Altamura (70396 inhabitants)
93 Km SE of Battipaglia (50786 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 		ML 0.9 2023-10-17
21:32:25		 40.1722 15.9173 9 2023-10-17
21:54:56		 Sala Sismica INGV-Roma 122163211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-17 21:32:25 ± 0.09
Latitude 40.1722 ± 0.0045
Longitude 15.9173 ± 0.0059
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122163211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 569
Semi-minor axis of confidence ellipse (meter) 125
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.44696
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 122163211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-17 21:54:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRAC.EHE. 2023-10-17T21:32:42.96 0.3 undecidable manual S 62 49.617 50 0.98 53
IV.MGR.HHZ. 2023-10-17T21:32:36.76 0.3 undecidable manual S 263 31.0467 50 -0.29 70
XE.LAICA.HNZ. 2023-10-17T21:32:35.39 0.6 undecidable manual S 169 25.2525 110 0.1 49
XE.T0701.HHZ. 2023-10-17T21:32:35.85 0.6 undecidable manual S 141 26.6511 109 0.12 49
IV.CRAC.EHE. 2023-10-17T21:32:35.16 0.3 undecidable manual P 62 49.617 50 -0.04 71
MN.CUC.HHZ. 2023-10-17T21:32:34.52 0.3 undecidable manual S 204 21.5673 114 0.43 69
IV.MTSN.HHZ. 2023-10-17T21:32:33.01 0.3 undecidable manual S 307 17.4714 118 0.19 73
IV.MCEL.HHZ. 2023-10-17T21:32:33.62 0.3 undecidable manual S 330 19.5693 116 0.16 73
IV.MGR.HHZ. 2023-10-17T21:32:32.01 0.1 undecidable manual P 263 31.0467 50 -0.34 92
XE.T0701.HHZ. 2023-10-17T21:32:31.29 0.1 undecidable manual P 141 26.6511 109 -0.3 94
XE.LAICA.HNZ. 2023-10-17T21:32:31.37 0.6 undecidable manual P 169 25.2525 110 0.04 49
IV.SCHR.EHZ. 2023-10-17T21:32:31.29 0.3 undecidable manual S 77 13.7751 124 -0.42 70
IV.MCEL.HHZ. 2023-10-17T21:32:30.16 0.1 undecidable manual P 330 19.5693 116 -0.11 98
MN.CUC.HHZ. 2023-10-17T21:32:30.79 0.1 undecidable manual P 204 21.5673 114 0.15 97
IV.SCHR.EHZ. 2023-10-17T21:32:29.18 0.1 undecidable manual P 77 13.7751 124 -0.09 100
IV.SIRI.HHZ. 2023-10-17T21:32:29.83 0.3 undecidable manual S 285 4.3956 155 0.3 73
IV.MTSN.HHZ. 2023-10-17T21:32:29.97 0.1 undecidable manual P 307 17.4714 118 0.07 100
IV.SIRI.HHZ. 2023-10-17T21:32:27.66 0.1 positive manual P 285 4.3956 155 -0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHN. ML:1.0 0.00020681805000000001 0.1408 AML other m 2023-10-17T21:32:29.02
IV.SIRI.HNN. ML:1.0 0.00019366405 0.1408 AML other m 2023-10-17T21:32:29.03
IV.SIRI.HHE. ML:1.1 0.0002265 1.7 AML other m 2023-10-17T21:32:30.92
IV.SIRI.HNE. ML:1.1 0.00022 1.7 AML other m 2023-10-17T21:32:30.93
IV.SCHR.EHN. ML:1.2 0.00017263765 0.128 AML other m 2023-10-17T21:32:31.69
IV.SCHR.EHE. ML:1.1 0.000131804415 0.1408 AML other m 2023-10-17T21:32:31.53
IV.MTSN.HHE. ML:1.1 0.00010016019500000001 0.1152 AML other m 2023-10-17T21:32:34.20
IV.MTSN.HHN. ML:0.8 0.00006109305499999999 0.1664 AML other m 2023-10-17T21:32:34.36
IV.MCEL.HNN. ML:1.1 0.00010041544 0.2176 AML other m 2023-10-17T21:32:34.89
IV.MCEL.HNE. ML:1.2 0.00012156905 0.2432 AML other m 2023-10-17T21:32:35.70
IV.MTSN.HNE. ML:1.0 0.000097008395 0.1152 AML other m 2023-10-17T21:32:34.20
IV.MTSN.HNN. ML:0.8 0.000053181054999999995 0.1152 AML other m 2023-10-17T21:32:34.31
IV.MCEL.HHE. ML:0.8 0.00004383048 0.2432 AML other m 2023-10-17T21:32:33.79
IV.MCEL.HHN. ML:0.6 0.0000306151 0.1024 AML other m 2023-10-17T21:32:34.63
MN.CUC.HHE. ML:0.6 0.000028191443850000002 0.1792 AML other m 2023-10-17T21:32:35.59
MN.CUC.HHN. ML:0.6 0.000029028232999999998 0.1792 AML other m 2023-10-17T21:32:35.82
XE.T0701.HHE. ML:0.4 0.0000152044845 0.1024 AML other m 2023-10-17T21:32:36.80
XE.T0701.HHN. ML:0.4 0.000016433794000000002 0.3072 AML other m 2023-10-17T21:32:37.67
IV.MGR.HHE. ML:0.5 0.000013497795 0.2432 AML other m 2023-10-17T21:32:38.06
IV.MGR.HHN. ML:0.5 0.0000168998545 0.1664 AML other m 2023-10-17T21:32:37.09
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