Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 22-09-2023 and time 17:44:09 (UTC) in region 7 km W Castelsaraceno (PZ)

A magnitude ML 1.0 earthquake occured in region: 7 km W Castelsaraceno (PZ), on

  • 22-09-2023 17:44:09 (UTC)
  • 22-09-2023 19:44:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.1790, 15.9160 at 7 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
Sarconi PZ 8 1404 2788
Moliterno PZ 8 4062 6850
Spinoso PZ 11 1462 8312
Grumento Nova PZ 12 1700 10012
Latronico PZ 13 4556 14568
San Martino d'Agri PZ 13 801 15369
San Chirico Raparo PZ 14 1084 16453
Lagonegro PZ 14 5584 22037
Montemurro PZ 15 1235 23272
Carbone PZ 15 638 23910
Nemoli PZ 16 1495 25405
Lauria PZ 16 12919 38324
Rivello PZ 17 2767 41091
Viggiano PZ 18 3329 44420
Armento PZ 19 631 45051
Tramutola PZ 19 3089 48140
Castelluccio Superiore PZ 19 824 48964
Episcopia PZ 19 1434 50398
Calvera PZ 20 387 50785
Castelluccio Inferiore PZ 20 2131 52916

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km S of Potenza (67122 inhabitants)
79 Km SW of Matera (60436 inhabitants)
90 Km SW of Altamura (70396 inhabitants)
92 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 1.0 2023-09-22
17:44:09		 40.1788 15.9158 7 2023-09-22
17:54:33		 Sala Sismica INGV-Roma 121370421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-22 17:44:09 ± 0.09
Latitude 40.1788 ± 0.0063
Longitude 15.9158 ± 0.0071
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121370421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 618
Semi-minor axis of confidence ellipse (meter) 408
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 6
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.58366
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 121370421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-22 17:54:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIGL.HHE. 2023-09-22T17:44:21.33 0.1 undecidable manual P 43 64.7907 50 -0.4 84
IV.CRAC.EHE. 2023-09-22T17:44:19.62 0.1 undecidable manual P 63 49.3173 50 0.27 89
XE.MORMA.HHN. 2023-09-22T17:44:17.12 0.1 undecidable manual P 172 34.6431 101 0.28 91
IV.MTSN.HHZ. 2023-09-22T17:44:16.39 0.6 undecidable manual S 305 16.9719 112 0.27 47
IV.MCEL.HHZ. 2023-09-22T17:44:16.80 0.6 undecidable manual S 329 18.87 110 0.07 49
XE.T0701.HHZ. 2023-09-22T17:44:15.10 1.0 undecidable manual P 141 27.3504 104 -0.31 23
IV.SCHR.EHZ. 2023-09-22T17:44:15.05 0.6 undecidable manual S 80 13.7751 116 -0.04 50
IV.MGR.HHZ. 2023-09-22T17:44:15.72 0.3 negative manual P 262 31.0467 102 -0.43 67
MN.CUC.HHZ. 2023-09-22T17:44:14.44 0.6 positive manual P 203 22.2555 107 0.01 49
IV.MCEL.HHZ. 2023-09-22T17:44:13.77 1.0 negative manual P 329 18.87 110 -0.02 25
IV.MTSN.HHZ. 2023-09-22T17:44:13.76 0.3 undecidable manual P 305 16.9719 112 0.32 70
IV.SIRI.HHZ. 2023-09-22T17:44:12.32 0.6 undecidable manual S 275 4.0959 149 -0.21 49
IV.SCHR.EHZ. 2023-09-22T17:44:12.87 0.1 positive manual P 80 13.7751 116 0.02 100
IV.SIRI.HHZ. 2023-09-22T17:44:11.22 0.6 undecidable manual P 275 4.0959 149 -0.15 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SCHR.EHE. ML:1.1 0.000152015185 0.1408 AML other m 2023-09-22T17:44:15.28
IV.SCHR.EHN. ML:1.1 0.00014630103 0.1152 AML other m 2023-09-22T17:44:15.40
IV.MTSN.HHE. ML:1.2 0.00014622615 0.2432 AML other m 2023-09-22T17:44:16.98
IV.MTSN.HHN. ML:1.1 0.000109617245 0.1664 AML other m 2023-09-22T17:44:17.12
IV.MCEL.HNN. ML:1.4 0.00022000208999999998 0.3584 AML other m 2023-09-22T17:44:17.70
IV.MCEL.HNE. ML:1.5 0.00023950000000000002 0.44 AML other m 2023-09-22T17:44:18.63
IV.SIRI.HHE. ML:0.0 0.0003381511 0.1792 AML other m 2023-09-22T17:44:13.17
IV.SIRI.HHN. ML:0.0 0.0003365439 0.2304 AML other m 2023-09-22T17:44:13.68
IV.SIRI.HNE. ML:0.0 0.00032346345 0.1792 AML other m 2023-09-22T17:44:13.18
IV.SIRI.HNN. ML:0.0 0.00032556965000000006 0.2304 AML other m 2023-09-22T17:44:13.68
IV.MTSN.HNE. ML:1.2 0.000141663695 0.2432 AML other m 2023-09-22T17:44:16.97
IV.MTSN.HNN. ML:1.1 0.000113152425 0.1792 AML other m 2023-09-22T17:44:17.59
IV.MCEL.HHE. ML:1.0 0.00008576732500000001 0.1792 AML other m 2023-09-22T17:44:17.66
IV.MCEL.HHN. ML:0.8 0.000062415975 0.192 AML other m 2023-09-22T17:44:17.40
MN.CUC.HNN. ML:0.9 0.000060253515 0.4096 AML other m 2023-09-22T17:44:21.64
MN.CUC.HHE. ML:0.8 0.000038601880000000006 0.192 AML other m 2023-09-22T17:44:19.17
MN.CUC.HHN. ML:0.6 0.0000230879095 0.1408 AML other m 2023-09-22T17:44:18.91
XE.T0701.HHE. ML:0.6 0.000026259209999999998 0.2304 AML other m 2023-09-22T17:44:21.27
XE.T0701.HHN. ML:0.6 0.000019863105 0.1152 AML other m 2023-09-22T17:44:20.91
XE.T0701.HNE. ML:0.6 0.0000210593375 0.6528 AML other m 2023-09-22T17:44:14.48
XE.T0701.HNN. ML:0.8 0.000033151545000000006 0.8704 AML other m 2023-09-22T17:44:26.68
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