Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 16-09-2023 and time 13:23:53 (Italy) in region 2 km NE Viggianello (PZ)

A magnitude ML 1.3 earthquake occured in region: 2 km NE Viggianello (PZ), on

  • 16-09-2023 11:23:53 (UTC)
  • 16-09-2023 13:23:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9880, 16.1090 at 25 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
Viggianello PZ 2 3025 3025
San Severino Lucano PZ 5 1563 4588
Rotonda PZ 7 3494 8082
Episcopia PZ 10 1434 9516
Castelluccio Superiore PZ 12 824 10340
Castelluccio Inferiore PZ 12 2131 12471
Laino Borgo CS 12 1921 14392
Laino Castello CS 13 848 15240
Francavilla in Sinni PZ 13 4215 19455
Latronico PZ 14 4556 24011
Mormanno CS 15 3027 27038
Fardella PZ 15 627 27665
Teana PZ 16 613 28278
Morano Calabro CS 16 4576 32854
Terranova di Pollino PZ 16 1208 34062
Carbone PZ 17 638 34700
San Costantino Albanese PZ 18 729 35429
Chiaromonte PZ 18 1965 37394
Calvera PZ 18 387 37781

Municipalities with at least 50000 inhabitants

An earthquake occurred to
77 Km SE of Potenza (67122 inhabitants)
78 Km N of Cosenza (67546 inhabitants)
86 Km SW of Matera (60436 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 1.3 2023-09-16
11:23:53		 39.988 16.1087 25 2023-09-16
11:32:22		 Sala Sismica INGV-Roma 121104531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-16 11:23:53 ± 0.12
Latitude 39.9880 ± 0.0045
Longitude 16.1087 ± 0.0059
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121104531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 502
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47394
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 121104531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-16 11:32:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GE.MATE.HHZ. 2023-09-16T11:24:11.16 3.0 positive manual P 3.04 0
IV.CET2.HHZ. 2023-09-16T11:24:10.13 0.6 undecidable manual S 195 52.6029 109 -0.37 43
IV.GRIS.EHZ. 2023-09-16T11:24:05.76 0.6 undecidable manual S 218 35.0427 119 -0.43 45
IV.SIRI.HHZ. 2023-09-16T11:24:04.75 0.6 undecidable manual S 317 29.748 124 -0.22 47
XE.T0702.HHZ. 2023-09-16T11:24:04.88 0.6 undecidable manual S 184 29.748 124 -0.1 48
IV.CET2.HHZ. 2023-09-16T11:24:03.41 0.1 undecidable manual P 195 52.6029 109 0.14 91
IV.SCHR.EHZ. 2023-09-16T11:24:03.76 0.6 undecidable manual S 353 23.5542 131 0.09 48
XE.ZIDIL.HHE. 2023-09-16T11:24:03.72 0.3 undecidable manual S 151 26.2515 128 -0.5 65
IV.SALB.HHZ. 2023-09-16T11:24:03.80 0.6 undecidable manual S 121 23.6541 131 0.12 49
MN.CUC.HNE. 2023-09-16T11:24:03.82 0.6 undecidable manual S 272 24.9528 129 -0.13 49
XE.MORMA.HHZ. 2023-09-16T11:24:02.97 0.6 undecidable manual S 222 17.4714 140 0.43 45
XE.TNOVA.HNN. 2023-09-16T11:24:02.04 0.6 undecidable manual S 96 13.0758 149 0.19 49
XE.T0701.HHZ. 2023-09-16T11:24:01.10 0.6 undecidable manual S 108 0.6993 178 0.2 49
IV.MMN.HHN. 2023-09-16T11:24:01.96 0.6 undecidable manual S 223 14.7741 146 -0.14 49
IV.GRIS.EHZ. 2023-09-16T11:24:00.72 0.1 undecidable manual P 218 35.0427 119 -0.06 95
XE.T0702.HHZ. 2023-09-16T11:24:00.19 0.1 undecidable manual P 184 29.748 124 0.11 96
IV.SCHR.EHZ. 2023-09-16T11:23:59.25 1.0 positive manual P 353 23.5542 131 -0.08 24
XE.ZIDIL.HHE. 2023-09-16T11:23:59.86 0.1 undecidable manual P 151 26.2515 128 0.22 94
IV.SALB.HHZ. 2023-09-16T11:23:59.37 0.1 undecidable manual P 121 23.6541 131 0.04 98
MN.CUC.HNE. 2023-09-16T11:23:59.48 0.1 undecidable manual P 272 24.9528 129 -0.01 98
IV.SIRI.HHZ. 2023-09-16T11:23:59.81 0.1 undecidable manual P 317 29.748 124 -0.27 92
IV.MMN.HHN. 2023-09-16T11:23:58.52 0.1 undecidable manual P 223 14.7741 146 0.1 98
XE.TNOVA.HNN. 2023-09-16T11:23:58.25 0.1 undecidable manual P 96 13.0758 149 -0.03 99
XE.CNESE.HNN. 2023-09-16T11:23:58.16 0.1 undecidable manual P 191 10.5783 154 0.06 99
XE.LAICA.HHN. 2023-09-16T11:23:58.29 0.1 undecidable manual P 249 12.1767 151 0.08 98
XE.MORMA.HHZ. 2023-09-16T11:23:58.84 0.1 undecidable manual P 222 17.4714 140 0.16 96
XE.T0701.HHZ. 2023-09-16T11:23:57.63 0.1 negative manual P 108 0.6993 178 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.T0701.HNN. ML:1.4 0.0001625 0.42 AML other m 2023-09-16T11:24:01.52
XE.T0701.HHN. ML:1.7 0.000341 0.42 AML other m 2023-09-16T11:24:01.52
XE.T0701.HHE. ML:1.8 0.000397 0.2 AML other m 2023-09-16T11:24:01.40
XE.T0701.HNE. ML:1.5 0.000211 0.2 AML other m 2023-09-16T11:24:01.30
XE.MORMA.HHE. ML:1.2 0.0000856 0.48 AML other m 2023-09-16T11:24:03.40
XE.MORMA.HHN. ML:1.3 0.0000993 0.28 AML other m 2023-09-16T11:24:03.27
IV.SCHR.EHE. ML:1.0 0.00004285 0.56 AML other m 2023-09-16T11:24:04.81
IV.SALB.HHN. ML:1.3 0.00009470000000000001 0.2 AML other m 2023-09-16T11:24:05.00
IV.SALB.HHE. ML:1.3 0.00008309999999999999 0.18 AML other m 2023-09-16T11:24:05.29
IV.SIRI.HHE. ML:1.4 0.00010625000000000001 0.22 AML other m 2023-09-16T11:24:05.37
XE.T0702.HHE. ML:1.0 0.00003985 0.38 AML other m 2023-09-16T11:24:05.60
XE.T0702.HHN. ML:1.0 0.0000419 1.28 AML other m 2023-09-16T11:24:05.19
IV.GRIS.EHE. ML:1.2 0.0000498 0.54 AML other m 2023-09-16T11:24:06.52
IV.GRIS.EHN. ML:1.2 0.00005495 0.5 AML other m 2023-09-16T11:24:06.64
IV.SCHR.EHN. ML:1.0 0.0000446 0.86 AML other m 2023-09-16T11:24:06.84
IV.SIRI.HHN. ML:1.4 0.00010355000000000001 1.14 AML other m 2023-09-16T11:24:07.77
IV.CET2.HHE. ML:1.3 0.00004505 0.72 AML other m 2023-09-16T11:24:11.41
IV.CET2.HHN. ML:1.4 0.00005115 0.54 AML other m 2023-09-16T11:24:11.38
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