Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 19-09-2023 and time 22:22:38 (Italy) in region 2 km NE Viggianello (PZ)

A magnitude ML 1.6 earthquake occured in region: 2 km NE Viggianello (PZ), on

  • 19-09-2023 20:22:38 (UTC)
  • 19-09-2023 22:22:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9890, 16.0980 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 11 824 10340
Castelluccio Inferiore PZ 11 2131 12471
Laino Borgo CS 11 1921 14392
Laino Castello CS 12 848 15240
Latronico PZ 14 4556 19796
Francavilla in Sinni PZ 14 4215 24011
Mormanno CS 14 3027 27038
Fardella PZ 15 627 27665
Teana PZ 16 613 28278
Morano Calabro CS 17 4576 32854
Carbone PZ 17 638 33492
Terranova di Pollino PZ 17 1208 34700
Chiaromonte PZ 18 1965 36665
Calvera PZ 18 387 37052
San Costantino Albanese PZ 18 729 37781

Municipalities with at least 50000 inhabitants

An earthquake occurred to
77 Km SE of Potenza (67122 inhabitants)
79 Km N of Cosenza (67546 inhabitants)
87 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 1.6 2023-09-19
20:22:38		 39.9892 16.0983 25 2023-09-19
20:31:27		 Sala Sismica INGV-Roma 121242271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-19 20:22:38 ± 0.14
Latitude 39.9892 ± 0.0045
Longitude 16.0983 ± 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 121242271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 528
Semi-minor axis of confidence ellipse (meter) 261
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55848
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 121242271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-19 20:31:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2023-09-19T20:24:03.96 3.0 undecidable manual Sn -1.93 0
IV.PP3.EHZ. 2023-09-19T20:23:45.25 3.0 negative manual Pg 8.5 0
IV.PLLN.EHZ. 2023-09-19T20:23:20.06 3.0 negative manual Pn 2.03 0
AC.VLO.HHZ. 2023-09-19T20:23:19.36 3.0 negative manual Pn -0.56 0
IV.AMUR.HHZ. 2023-09-19T20:23:13.49 3.0 undecidable manual S 1.64 0
IV.SACR.HHZ. 2023-09-19T20:23:10.45 3.0 positive manual Pg 2.58 0
IV.CAR1.HNZ. 2023-09-19T20:23:01.06 3.0 undecidable manual S -4.11 0
IV.AMUR.HHZ. 2023-09-19T20:22:58.49 3.0 positive manual P 1.15 0
IV.PZUN.HHZ. 2023-09-19T20:22:54.41 3.0 negative manual P 1.49 0
IV.MTSN.HHZ. 2023-09-19T20:22:53.69 0.3 undecidable manual S 316 42.5241 114 0.44 65
IV.CELI.HHZ. 2023-09-19T20:22:52.58 3.0 negative manual P 0.34 0
IV.MIGL.HHZ. 2023-09-19T20:22:51.41 3.0 negative manual P -1.04 0
IV.GRIS.EHZ. 2023-09-19T20:22:50.94 0.3 undecidable manual S 217 34.6431 119 -0.41 66
IV.BULG.HHZ. 2023-09-19T20:22:50.46 0.1 undecidable manual P 279 61.9935 106 0.56 81
XE.BIDON.HHZ. 2023-09-19T20:22:50.84 0.3 undecidable manual S 99 30.747 123 0.37 67
MN.CUC.HHZ. 2023-09-19T20:22:49.32 0.3 undecidable manual S 271 24.0537 131 0.28 70
IV.SIRI.HHZ. 2023-09-19T20:22:49.36 0.3 undecidable manual S 318 29.0487 125 -0.73 60
IV.SLCN.HHZ. 2023-09-19T20:22:49.92 3.0 negative manual P -0.15 0
XE.T0702.HHZ. 2023-09-19T20:22:49.90 0.3 undecidable manual S 182 29.748 124 -0.36 67
IV.PTRP.HHZ. 2023-09-19T20:22:49.81 3.0 negative manual P -0.2 0
XE.FRASC.HNZ. 2023-09-19T20:22:48.46 0.3 undecidable manual S 140 22.0668 134 -0.17 72
IV.CRAC.EHZ. 2023-09-19T20:22:48.87 3.0 negative manual P 0.04 0
IV.SALB.HHE. 2023-09-19T20:22:48.79 0.3 undecidable manual S 120 24.4533 130 -0.33 69
XE.MORMA.HHZ. 2023-09-19T20:22:48.34 0.3 undecidable manual S 219 17.0718 142 0.61 65
IV.SCHR.EHZ. 2023-09-19T20:22:48.90 0.3 undecidable manual S 355 23.3544 132 0 73
IV.TDS.HHZ. 2023-09-19T20:22:47.15 0.1 undecidable manual P 151 41.8248 114 0.19 92
XE.CNESE.HNE. 2023-09-19T20:22:47.00 0.6 undecidable manual S 186 10.5783 154 0.18 49
IV.MCEL.HHZ. 2023-09-19T20:22:47.40 3.0 positive manual P -0.33 0
IV.MTSN.HHZ. 2023-09-19T20:22:47.03 0.1 undecidable manual P 316 42.5241 114 -0.04 94
XE.TNOVA.HNE. 2023-09-19T20:22:47.11 0.3 undecidable manual S 97 13.875 147 -0.14 73
IV.ORI.HHE. 2023-09-19T20:22:46.08 0.3 undecidable manual P 77 30.6471 123 0.62 62
XE.T0701.HNE. 2023-09-19T20:22:46.39 0.3 undecidable manual S 102 1.4985 176 0.19 73
XE.T0702.HHZ. 2023-09-19T20:22:45.38 0.1 undecidable manual P 182 29.748 124 0.04 97
XE.BIDON.HHZ. 2023-09-19T20:22:45.49 0.1 undecidable manual P 99 30.747 123 0.03 96
XE.ZIDIL.HHZ. 2023-09-19T20:22:45.22 0.1 undecidable manual P 149 26.751 127 0.26 93
IV.GRIS.EHZ. 2023-09-19T20:22:45.99 0.1 undecidable manual P 217 34.6431 119 0.02 96
XE.MORMA.HHZ. 2023-09-19T20:22:44.00 0.1 undecidable manual P 219 17.0718 142 0.11 97
IV.SCHR.EHZ. 2023-09-19T20:22:44.40 0.1 undecidable manual P 355 23.3544 132 -0.16 96
XE.FRASC.HNZ. 2023-09-19T20:22:44.25 0.1 undecidable manual P 140 22.0668 134 -0.16 96
MN.CUC.HHZ. 2023-09-19T20:22:44.53 0.1 undecidable manual P 271 24.0537 131 -0.1 96
IV.SIRI.HHZ. 2023-09-19T20:22:44.92 0.1 undecidable manual P 318 29.0487 125 -0.32 91
IV.SALB.HHE. 2023-09-19T20:22:44.53 0.1 undecidable manual P 120 24.4533 130 -0.15 96
XE.TNOVA.HNE. 2023-09-19T20:22:43.43 0.1 undecidable manual P 97 13.875 147 -0.18 97
XE.CNESE.HNE. 2023-09-19T20:22:43.30 0.1 undecidable manual P 186 10.5783 154 -0.06 99
IV.MMN.HHE. 2023-09-19T20:22:43.61 0.1 undecidable manual P 220 14.2746 147 -0.03 99
XE.LAICA.HHE. 2023-09-19T20:22:43.40 0.1 undecidable manual P 247 11.3775 153 -0.02 100
XE.T0701.HNE. 2023-09-19T20:22:42.79 0.1 undecidable manual P 102 1.4985 176 -0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.MORMA.HHN. ML:1.7 0.00027 0.28 AML other m 2023-09-19T20:22:48.46
XE.MORMA.HNN. ML:1.7 0.0002495 0.28 AML other m 2023-09-19T20:22:48.46
XE.MORMA.HNE. ML:1.7 0.000254 0.74 AML other m 2023-09-19T20:22:49.65
XE.MORMA.HHE. ML:1.6 0.0002195 0.72 AML other m 2023-09-19T20:22:49.29
IV.SCHR.EHE. ML:1.4 0.00011499999999999999 1.44 AML other m 2023-09-19T20:22:50.72
XE.T0702.HHE. ML:1.5 0.00011199999999999998 0.38 AML other m 2023-09-19T20:22:50.78
XE.T0702.HHN. ML:1.4 0.00010555 0.78 AML other m 2023-09-19T20:22:51.39
IV.GRIS.EHE. ML:1.6 0.0001305 0.52 AML other m 2023-09-19T20:22:51.71
XE.BIDON.HHN. ML:1.6 0.00014700000000000002 0.24 AML other m 2023-09-19T20:22:51.49
IV.GRIS.EHN. ML:1.7 0.000148 0.5 AML other m 2023-09-19T20:22:51.58
IV.SCHR.EHN. ML:1.5 0.000126 1.14 AML other m 2023-09-19T20:22:51.04
MN.CUC.HHE. ML:1.3 0.000094 0.42 AML other m 2023-09-19T20:22:51.88
XE.BIDON.HNN. ML:1.6 0.00014549999999999999 0.66 AML other m 2023-09-19T20:22:51.56
MN.CUC.HHN. ML:1.3 0.0000892 0.36 AML other m 2023-09-19T20:22:52.23
XE.BIDON.HNE. ML:1.7 0.000189 0.6 AML other m 2023-09-19T20:22:53.38
XE.BIDON.HHE. ML:1.7 0.00017449999999999999 0.24 AML other m 2023-09-19T20:22:53.38
IV.MTSN.HHE. ML:1.7 0.00013450000000000002 0.34 AML other m 2023-09-19T20:22:54.79
IV.MTSN.HHN. ML:1.7 0.000136 0.56 AML other m 2023-09-19T20:22:55.06
IV.MCEL.HNE. ML:1.9 0.00019250000000000002 1.2 AML other m 2023-09-19T20:22:56.01
IV.CET2.HHE. ML:1.8 0.000128 1.2 AML other m 2023-09-19T20:22:57.00
IV.MCEL.HHE. ML:1.4 0.00006964999999999999 0.44 AML other m 2023-09-19T20:22:57.27
IV.CET2.HHN. ML:1.8 0.0001385 0.32 AML other m 2023-09-19T20:22:57.87
IV.MCEL.HHN. ML:1.5 0.00008135000000000001 0.44 AML other m 2023-09-19T20:22:58.21
IV.CRAC.EHN. ML:1.6 0.0000809 1.66 AML other m 2023-09-19T20:22:59.11
IV.MCEL.HNN. ML:1.8 0.0001815 1.3 AML other m 2023-09-19T20:22:59.97
IV.PTRP.HHE. ML:1.1 0.000025050000000000002 1.42 AML other m 2023-09-19T20:23:00.71
IV.PTRP.HHN. ML:1.1 0.000025800000000000004 0.54 AML other m 2023-09-19T20:23:00.52
IV.BULG.HHE. ML:1.2 0.0000284 0.9 AML other m 2023-09-19T20:23:01.78
IV.SLCN.HHN. ML:1.3 0.0000395 1.34 AML other m 2023-09-19T20:23:03.20
IV.BULG.HHN. ML:1.4 0.000045700000000000006 0.42 AML other m 2023-09-19T20:23:06.05
IV.SLCN.HHE. ML:1.5 0.0000618 0.38 AML other m 2023-09-19T20:23:06.61
IV.CRAC.EHE. ML:1.6 0.0000854 0.42 AML other m 2023-09-19T20:23:08.33
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