Earthquake with magnitude of ML 1.3 on date 20-09-2023 and time 01:52:54 (Italy) in region 1 km SW Viggianello (PZ)

A magnitude ML 1.3 earthquake occured in region: 1 km SW Viggianello (PZ), on

  • 19-09-2023 23:52:54 (UTC)
  • 20-09-2023 01:52:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9700, 16.0840 at 30 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.

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 1 3025 3025
Rotonda PZ 4 3494 6519
San Severino Lucano PZ 7 1563 8082
Laino Borgo CS 10 1921 10003
Laino Castello CS 10 848 10851
Castelluccio Inferiore PZ 10 2131 12982
Castelluccio Superiore PZ 10 824 13806
Episcopia PZ 12 1434 15240
Mormanno CS 12 3027 18267
Morano Calabro CS 15 4576 22843
Latronico PZ 15 4556 27399
Francavilla in Sinni PZ 16 4215 31614
Fardella PZ 18 627 32241
Terranova di Pollino PZ 18 1208 33449
Teana PZ 18 613 34062
Papasidero CS 19 734 34796
San Basile CS 19 1055 35851
Carbone PZ 19 638 36489

Municipalities with at least 50000 inhabitants

An earthquake occurred to
77 Km N of Cosenza (67546 inhabitants)
78 Km SE of Potenza (67122 inhabitants)
89 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 2023-09-19
23:52:54
39.9697 16.0842 30 2023-09-19
23:58:00
Sala Sismica INGV-Roma 121254471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-19 23:52:54 ± 0.35
Latitude 39.9697 ± 0.0090
Longitude 16.0842 ± 0.0235
Depth (km) 30 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121254471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1468
Semi-minor axis of confidence ellipse (meter) 1382
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49103
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 24
Type of magnitude ML
Reference to an origin 121254471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-19 23:58:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2023-09-19T23:54:27.32 3.0 positive manual Pg 12.39 0
IV.FNVD.HHZ. 2023-09-19T23:54:12.14 3.0 positive manual Pn -1.14 0
CR.STON.BHZ. 2023-09-19T23:53:57.58 3.0 undecidable manual Sn -7.95 0
7C.SPAOL.HNZ. 2023-09-19T23:53:33.04 3.0 undecidable manual Pn 0.26 0
IV.TREM.HHZ. 2023-09-19T23:53:28.79 3.0 negative manual Pg 5.69 0
IV.MCEL.HHZ. 2023-09-19T23:53:11.43 0.6 undecidable manual S 329 46.1205 118 0.44 48
XE.MIGL.HHZ. 2023-09-19T23:53:08.04 0.6 undecidable manual S 100
IV.SLCN.HHZ. 2023-09-19T23:53:07.34 3.0 undecidable manual Pg 1.18 0
IV.SIRI.HHZ. 2023-09-19T23:53:07.09 0.6 undecidable manual S 322 29.8479 131 -0.32 50
IV.GRIS.EHZ. 2023-09-19T23:53:07.85 0.6 undecidable manual S 218 32.1456 129 -0.02 53
XE.T0702.HHZ. 2023-09-19T23:53:06.60 0.6 undecidable manual S 180 27.5502 134 -0.36 50
XE.MORMA.HHZ. 2023-09-19T23:53:05.02 0.6 undecidable manual S 221 14.5743 152 0.17 53
IV.CET2.HHZ. 2023-09-19T23:53:05.27 3.0 undecidable manual Pg 0.3 0
IV.CRAC.EHZ. 2023-09-19T23:53:05.49 0.1 undecidable manual P 33 54.501 114 0.15 100
IV.MCEL.HHZ. 2023-09-19T23:53:04.21 1.0 negative manual P 329 46.1205 118 0.03 26
IV.MGR.HHZ. 2023-09-19T23:53:04.81 3.0 undecidable manual Pg -1.93 0
IV.GRIS.EHZ. 2023-09-19T23:53:02.57 1.0 positive manual P 218 32.1456 129 0.19 26
XE.T0702.HHZ. 2023-09-19T23:53:02.09 0.6 positive manual P 180 27.5502 134 0.24 52
IV.SPS2.HHZ. 2023-09-19T23:53:02.44 3.0 negative manual P -2.29 0
MN.CUC.HHZ. 2023-09-19T23:53:01.56 1.0 positive manual P 277 22.9548 139 0.19 26
IV.SCHR.EHZ. 2023-09-19T23:53:01.14 1.0 undecidable manual P 358 25.4523 136 -0.49 24
IV.SIRI.HHZ. 2023-09-19T23:53:01.77 0.3 negative manual P 322 29.8479 131 -0.35 75
XE.MORMA.HHZ. 2023-09-19T23:53:00.76 0.6 positive manual P 221 14.5743 152 0.12 54
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
XE.MORMA.HNE. ML:1.5 0.00013350000000000002 0.48 AML other m 2023-09-19T23:53:05.05
XE.MORMA.HHN. ML:1.5 0.00014000000000000001 0.28 AML other m 2023-09-19T23:53:05.16
XE.MORMA.HNN. ML:1.5 0.000136 0.3 AML other m 2023-09-19T23:53:05.31
XE.MORMA.HHE. ML:1.4 0.0001095 1.26 AML other m 2023-09-19T23:53:06.98
XE.T0702.HHE. ML:1.0 0.0000371 0.76 AML other m 2023-09-19T23:53:07.69
IV.SCHR.EHE. ML:1.1 0.00005185 1.44 AML other m 2023-09-19T23:53:07.89
IV.GRIS.EHE. ML:1.2 0.000050299999999999996 0.58 AML other m 2023-09-19T23:53:08.41
IV.GRIS.EHN. ML:1.3 0.00006515 0.4 AML other m 2023-09-19T23:53:08.27
IV.SCHR.EHN. ML:1.2 0.0000553 0.16 AML other m 2023-09-19T23:53:08.28
XE.T0702.HHN. ML:1.1 0.0000466 0.56 AML other m 2023-09-19T23:53:08.09
IV.SIRI.HHE. ML:1.5 0.0001061 0.22 AML other m 2023-09-19T23:53:08.54
IV.SIRI.HNE. ML:1.5 0.0000996 0.22 AML other m 2023-09-19T23:53:08.54
MN.CUC.HHN. ML:1.0 0.00003365 0.36 AML other m 2023-09-19T23:53:08.73
IV.SIRI.HHN. ML:1.4 0.0000906 1.14 AML other m 2023-09-19T23:53:09.65
IV.SIRI.HNN. ML:1.5 0.00009779999999999999 0.58 AML other m 2023-09-19T23:53:09.08
MN.CUC.HHE. ML:1.0 0.000036049999999999995 0.4 AML other m 2023-09-19T23:53:09.83
IV.CET2.HHE. ML:1.3 0.00004625 0.8 AML other m 2023-09-19T23:53:13.29
IV.CET2.HHN. ML:1.4 0.0000532 0.88 AML other m 2023-09-19T23:53:13.84
IV.MCEL.HHE. ML:1.1 0.00002855 1.54 AML other m 2023-09-19T23:53:14.94
IV.MGR.HHE. ML:1.0 0.000018250000000000003 0.42 AML other m 2023-09-19T23:53:14.34
IV.MCEL.HHN. ML:1.2 0.00003345 1.54 AML other m 2023-09-19T23:53:15.88
IV.MGR.HHN. ML:1.0 0.0000213 0.72 AML other m 2023-09-19T23:53:15.57
7C.SPAOL.HNE. ML:4.6 0.006300000000000001 0.46 AML other m 2023-09-19T23:53:43.22
7C.SPAOL.HNN. ML:4.6 0.005165 0.58 AML other m 2023-09-19T23:53:44.35
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