Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 07-09-2023 and time 18:29:35 (UTC) in region 6 km W Castelsaraceno (PZ)

A magnitude ML 0.5 earthquake occured in region: 6 km W Castelsaraceno (PZ), on

  • 07-09-2023 18:29:35 (UTC)
  • 07-09-2023 20:29:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.1880, 15.9300 at 8 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 6 1384 1384
Sarconi PZ 8 1404 2788
Moliterno PZ 8 4062 6850
Spinoso PZ 9 1462 8312
Grumento Nova PZ 11 1700 10012
San Martino d'Agri PZ 12 801 10813
San Chirico Raparo PZ 13 1084 11897
Latronico PZ 13 4556 16453
Montemurro PZ 14 1235 17688
Carbone PZ 15 638 18326
Lagonegro PZ 16 5584 23910
Viggiano PZ 17 3329 27239
Lauria PZ 17 12919 40158
Nemoli PZ 17 1495 41653
Armento PZ 18 631 42284
Calvera PZ 19 387 42671
Episcopia PZ 19 1434 44105
Rivello PZ 19 2767 46872
Tramutola PZ 19 3089 49961

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km S of Potenza (67122 inhabitants)
78 Km SW of Matera (60436 inhabitants)
89 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 0.5 2023-09-07
18:29:35		 40.1878 15.9302 8 2023-09-07
18:47:20		 Sala Sismica INGV-Roma 120856571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-07 18:29:35 ± 0.2
Latitude 40.1878 ± 0.0081
Longitude 15.9302 ± 0.0047
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120856571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 741
Semi-minor axis of confidence ellipse (meter) 574
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16817
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 120856571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-07 18:47:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GE.MATE.HHZ. 2023-09-07T18:30:02.17 3.0 undecidable manual S -0.04 0
IV.SPS2.HHZ. 2023-09-07T18:29:47.38 3.0 undecidable manual P 0.01 0
IV.MCEL.HHZ. 2023-09-07T18:29:42.61 0.6 undecidable manual S 325 18.6702 114 -0.03 49
IV.MTSN.HHN. 2023-09-07T18:29:42.23 0.6 undecidable manual S 300 17.4714 115 -0.02 49
IV.SCHR.EHZ. 2023-09-07T18:29:40.78 0.6 undecidable manual S 84 12.3765 124 0.05 50
IV.T0701.HHZ. 2023-09-07T18:29:40.69 0.1 undecidable manual P 100
IV.SIRI.HHZ. 2023-09-07T18:29:39.05 0.6 undecidable manual S 263 5.2947 147 0.08 50
IV.MTSN.HHN. 2023-09-07T18:29:39.57 0.1 undecidable manual P 300 17.4714 115 0.16 96
IV.MCEL.HHZ. 2023-09-07T18:29:39.49 0.6 undecidable manual P 325 18.6702 114 -0.14 48
IV.SCHR.EHZ. 2023-09-07T18:29:38.52 0.1 positive manual P 84 12.3765 124 -0.01 100
IV.SIRI.HHZ. 2023-09-07T18:29:37.27 0.6 undecidable manual P 263 5.2947 147 -0.25 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHN. ML:0.6 0.00007495 0.2 AML other m 2023-09-07T18:29:39.49
IV.SIRI.HHE. ML:0.5 0.00006120000000000001 0.98 AML other m 2023-09-07T18:29:39.97
IV.SIRI.HNE. ML:0.0 0.000058700795 0.2432 AML other m 2023-09-07T18:29:39.97
IV.SIRI.HNN. ML:0.0 0.000071815785 0.192 AML other m 2023-09-07T18:29:39.49
IV.SCHR.EHE. ML:0.3 0.000024503175 0.256 AML other m 2023-09-07T18:29:40.79
IV.SCHR.EHN. ML:0.2 0.000020199990000000002 0.2304 AML other m 2023-09-07T18:29:41.06
IV.MCEL.HNE. ML:0.8 0.000053713075 0.6016 AML other m 2023-09-07T18:29:44.59
IV.MCEL.HNN. ML:0.8 0.000052282805 0.3584 AML other m 2023-09-07T18:29:45.25
IV.MCEL.HHE. ML:0.4 0.000019947545 0.3968 AML other m 2023-09-07T18:29:43.27
IV.MCEL.HHN. ML:0.3 0.000016435001 0.4608 AML other m 2023-09-07T18:29:46.29
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