Earthquake with magnitude of ML 0.6 on date 18-04-2023 and time 14:03:59 (Italy) in region 3 km S Viggiano (PZ)

A magnitude ML 0.6 earthquake occured in region: 3 km S Viggiano (PZ), on

  • 18-04-2023 12:03:59 (UTC)
  • 18-04-2023 14:03:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.3130, 15.9020 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Viggiano PZ 3 3329 3329
Grumento Nova PZ 4 1700 5029
Sarconi PZ 7 1404 6433
Spinoso PZ 8 1462 7895
Montemurro PZ 8 1235 9130
Moliterno PZ 8 4062 13192
Marsicovetere PZ 9 5546 18738
Tramutola PZ 10 3089 21827
Armento PZ 14 631 22458
Corleto Perticara PZ 14 2511 24969
San Martino d'Agri PZ 15 801 25770
Paterno PZ 16 3368 29138
Laurenzana PZ 17 1797 30935
Montesano sulla Marcellana SA 18 6704 37639
Guardia Perticara PZ 18 552 38191
Castelsaraceno PZ 18 1384 39575
Marsico Nuovo PZ 19 4098 43673
Calvello PZ 19 1948 45621

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km S of Potenza (67122 inhabitants)
71 Km SW of Matera (60436 inhabitants)
79 Km SW of Altamura (70396 inhabitants)
84 Km E 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
Bulletin
Rev1000
ML 0.6 2023-04-18
12:03:59
40.3132 15.9023 11 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 125127381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-18 12:03:59 ± 0.17
Latitude 40.3132 ± 0.0072
Longitude 15.9023 ± 0.0094
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 125127381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 688
Semi-minor axis of confidence ellipse (meter) 637
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 14
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) 0.33994
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 125127381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-08 12:57:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2023-04-18T12:05:33.28 3.0 undecidable manual Sn 0.69 0
IV.CAFI.HHZ. 2023-04-18T12:05:29.72 3.0 undecidable manual Sn -9.99 0
OX.DRE.HHZ. 2023-04-18T12:05:27.15 3.0 positive manual Pg 16.68 0
IV.ARVD.HHZ. 2023-04-18T12:05:23.55 3.0 undecidable manual Sn -9.18 0
IV.GUMA.HHZ. 2023-04-18T12:05:21.53 3.0 undecidable manual Sn 0.85 0
GU.RNCA.HHZ. 2023-04-18T12:05:21.59 3.0 undecidable manual Pn -2.75 0
IV.BDI.HHZ. 2023-04-18T12:05:21.47 3.0 undecidable manual Pg 13.81 0
7C.SPAOL.HNZ. 2023-04-18T12:05:20.04 3.0 undecidable manual Sg 4.34 0
IV.CAMP.HHZ. 2023-04-18T12:05:19.54 3.0 undecidable manual Sg 7.49 0
IV.LPDG.HHZ. 2023-04-18T12:05:17.74 3.0 negative manual Pg 5.64 0
GU.POPM.HHZ. 2023-04-18T12:05:14.11 3.0 negative manual Pg 7.9 0
IV.CROCE.HHZ. 2023-04-18T12:05:13.96 3.0 undecidable manual Sn -9.99 0
IV.RIBO.EHZ.01 2023-04-18T12:05:08.58 3.0 positive manual Pg 12.32 0
MN.BLY.HHZ. 2023-04-18T12:05:07.78 3.0 negative manual Pg 23.379999 0
IT.MLPS.HNZ. 2023-04-18T12:05:05.40 3.0 undecidable manual Sg 2.77 0
IV.IMOL.HNZ. 2023-04-18T12:05:04.58 3.0 negative manual Pn 3.32 0
IV.MF5.EHZ. 2023-04-18T12:04:47.21 3.0 undecidable manual Pg 10.83 0
IV.RCAV.EHZ. 2023-04-18T12:04:42.19 3.0 undecidable manual Pg 9.21 0
IV.ACATE.EHZ. 2023-04-18T12:04:40.96 3.0 negative manual Pg -3.2 0
IV.GUMA.HHZ. 2023-04-18T12:04:37.84 3.0 negative manual Pn -0.12 0
IV.MMO1.EHZ. 2023-04-18T12:04:36.59 3.0 undecidable manual Pg -0.04 0
7C.SPAOL.HNZ. 2023-04-18T12:04:24.64 3.0 positive manual Pn -9.99 0
IV.VAGA.HNZ. 2023-04-18T12:04:14.22 3.0 undecidable manual Pn -4.92 0
IV.PZUN.HHZ. 2023-04-18T12:04:06.38 1.0 undecidable manual P 348 37.7289 50 0.01 24
IV.SCHR.EHZ. 2023-04-18T12:04:06.62 0.6 undecidable manual S 131 19.3695 119 -0.09 49
IX.MRN3.HNE. 2023-04-18T12:04:06.44 0.6 undecidable manual S 311 19.1697 119 -0.22 48
IV.SIRI.HHZ. 2023-04-18T12:04:05.21 0.6 undecidable manual S 191 14.874 125 -0.16 49
IV.MCEL.HHZ. 2023-04-18T12:04:04.47 0.6 undecidable manual S 279 8.5803 141 0.69 42
IV.MTSN.HHZ. 2023-04-18T12:04:04.99 0.6 undecidable manual S 248 13.7751 127 -0.09 49
IV.PTRP.HHZ. 2023-04-18T12:04:04.98 1.0 undecidable manual P 30 26.751 50 0.31 23
IX.MRN3.HNE. 2023-04-18T12:04:03.07 0.1 undecidable manual P 311 19.1697 119 -0.38 92
IV.SCHR.EHZ. 2023-04-18T12:04:03.51 0.1 undecidable manual P 131 19.3695 119 0.03 99
IX.VGG3.HNZ. 2023-04-18T12:04:02.38 0.6 undecidable manual S 358 2.4975 166 -0.44 47
IV.SIRI.HHZ. 2023-04-18T12:04:02.64 0.1 undecidable manual P 191 14.874 125 -0.06 99
IV.MCEL.HHZ. 2023-04-18T12:04:02.59 1.0 negative manual P 279 8.5803 141 0.81 20
IV.MTSN.HHZ. 2023-04-18T12:04:02.56 0.1 undecidable manual P 248 13.7751 127 0.02 100
IX.VGG3.HNZ. 2023-04-18T12:04:01.55 0.1 undecidable manual P 358 2.4975 166 0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHE. ML:0.4 0.00003485 0.98 AML other m 2023-04-18T12:04:04.94
IV.SIRI.HHE. ML:0.8 0.0000641 1 AML other m 2023-04-18T12:04:05.85
IV.MTSN.HHN. ML:0.7 0.000056500000000000005 1.38 AML other m 2023-04-18T12:04:05.79
IV.SIRI.HHN. ML:0.8 0.000056349999999999994 0.16 AML other m 2023-04-18T12:04:05.87
IV.MTSN.HHE. ML:0.6 0.0000436 1.28 AML other m 2023-04-18T12:04:06.76
IV.MCEL.HHN. ML:0.4 0.00003115 1.1 AML other m 2023-04-18T12:04:07.76
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