Earthquake with magnitude of ML 1.0 on date 20-12-2023 and time 04:17:19 (Italy) in region 6 km W Castelsaraceno (PZ)

A magnitude ML 1.0 earthquake occured in region: 6 km W Castelsaraceno (PZ), on

  • 20-12-2023 03:17:19 (UTC)
  • 20-12-2023 04:17:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.1560, 15.9290 at 9 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
Castelsaraceno PZ 6 1384 1384
Latronico PZ 10 4556 5940
Sarconi PZ 11 1404 7344
Moliterno PZ 11 4062 11406
Spinoso PZ 13 1462 12868
San Chirico Raparo PZ 13 1084 13952
San Martino d'Agri PZ 14 801 14753
Carbone PZ 14 638 15391
Lauria PZ 14 12919 28310
Lagonegro PZ 15 5584 33894
Grumento Nova PZ 15 1700 35594
Nemoli PZ 15 1495 37089
Castelluccio Superiore PZ 17 824 37913
Rivello PZ 17 2767 40680
Episcopia PZ 17 1434 42114
Montemurro PZ 17 1235 43349
Castelluccio Inferiore PZ 17 2131 45480
Calvera PZ 18 387 45867
Trecchina PZ 19 2316 48183
Teana PZ 19 613 48796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km S of Potenza (67122 inhabitants)
80 Km SW of Matera (60436 inhabitants)
92 Km SW of Altamura (70396 inhabitants)
95 Km SE of Battipaglia (50786 inhabitants)
100 Km N of Cosenza (67546 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 1.0 2023-12-20
03:17:19
40.156 15.9288 9 2023-12-20
03:43:27
Sala Sismica INGV-Roma 124152791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-20 03:17:19 ± 0.29
Latitude 40.1560 ± 0.0108
Longitude 15.9288 ± 0.0059
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124152791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1195
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 230
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19425
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 124152791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-20 03:43:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.PGN3.HHZ.02 2023-12-20T03:17:29.23 3.0 undecidable manual P 0.22 0
IV.MCEL.HHZ. 2023-12-20T03:17:27.34 0.3 undecidable manual S 330 21.5673 112 0.18 71
IV.MTSN.HHZ. 2023-12-20T03:17:26.39 0.1 undecidable manual S 309 19.3695 114 -0.05 98
IV.SCHR.EHZ. 2023-12-20T03:17:24.47 0.1 undecidable manual S 69 13.3755 123 -0.13 97
IV.MTSN.HHZ. 2023-12-20T03:17:23.27 0.1 undecidable manual P 309 19.3695 114 -0.07 97
IV.MCEL.HHZ. 2023-12-20T03:17:23.63 0.1 undecidable manual P 330 21.5673 112 -0.12 96
IV.SCHR.EHZ. 2023-12-20T03:17:22.45 0.1 positive manual P 69 13.3755 123 0.18 96
IV.SIRI.HHZ. 2023-12-20T03:17:21.24 0.1 undecidable manual P 299 5.994 145 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SCHR.EHE. ML:0.8 0.00006900000000000001 0.1 AML other m 2023-12-20T03:17:24.65
IV.SCHR.EHN. ML:0.9 0.0000967 0.42 AML other m 2023-12-20T03:17:24.80
IV.MTSN.HHE. ML:0.6 0.00003585 0.7 AML other m 2023-12-20T03:17:27.16
IV.MTSN.HHN. ML:0.8 0.00005115 0.66 AML other m 2023-12-20T03:17:27.27
IX.PGN3.HHE.02 ML:1.6 0.00012714999999999997 1.54 AML other m 2023-12-20T03:17:49.95
IX.PGN3.HHN.02 ML:1.8 0.0001655 1.68 AML other m 2023-12-20T03:17:49.97
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