Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 08-09-2023 and time 18:55:31 (UTC) in region 3 km W Castelsaraceno (PZ)

A magnitude ML 0.8 earthquake occured in region: 3 km W Castelsaraceno (PZ), on

  • 08-09-2023 18:55:31 (UTC)
  • 08-09-2023 20:55:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.1700, 15.9570 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 3 1384 1384
Latronico PZ 10 4556 5940
Sarconi PZ 11 1404 7344
San Chirico Raparo PZ 11 1084 8428
Spinoso PZ 11 1462 9890
Moliterno PZ 11 4062 13952
San Martino d'Agri PZ 11 801 14753
Carbone PZ 12 638 15391
Grumento Nova PZ 14 1700 17091
Montemurro PZ 15 1235 18326
Episcopia PZ 16 1434 19760
Calvera PZ 16 387 20147
Lauria PZ 17 12919 33066
Lagonegro PZ 17 5584 38650
Teana PZ 17 613 39263
Nemoli PZ 18 1495 40758
Castelluccio Superiore PZ 18 824 41582
Armento PZ 18 631 42213
Castelluccio Inferiore PZ 18 2131 44344
Fardella PZ 19 627 44971
Castronuovo di Sant'Andrea PZ 20 1067 46038
Viggiano PZ 20 3329 49367
Rivello PZ 20 2767 52134

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km S of Potenza (67122 inhabitants)
78 Km SW of Matera (60436 inhabitants)
89 Km SW of Altamura (70396 inhabitants)
96 Km SE 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
Reviewed
Rev100 		ML 0.8 2023-09-08
18:55:31		 40.1697 15.9573 10 2023-09-08
19:04:56		 Sala Sismica INGV-Roma 120888931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-08 18:55:31 ± 0.4
Latitude 40.1697 ± 0.0324
Longitude 15.9573 ± 0.0118
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120888931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3660
Semi-minor axis of confidence ellipse (meter) 860
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 8
Circular confidence region, given by single value of horizontal uncertainty (meter) 3660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 5
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) 0.19515
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 120888931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-08 19:04:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAGA.HHZ. 2023-09-08T18:57:11.92 3.0 positive manual Pn 2.27 0
GU.POPM.HHZ. 2023-09-08T18:57:06.35 3.0 negative manual Pg 15.76 0
IV.BULT.EHZ. 2023-09-08T18:57:00.21 3.0 undecidable manual Pg 15.47 0
IV.SMA1.EHZ. 2023-09-08T18:56:58.70 3.0 undecidable manual Sn -3.85 0
IV.MTGR.HHZ. 2023-09-08T18:56:51.42 3.0 undecidable manual Sn 0.28 0
IV.ARVD.HHZ. 2023-09-08T18:56:44.87 3.0 positive manual Pg 13.85 0
AC.VLO.HHZ. 2023-09-08T18:56:38.90 3.0 undecidable manual Sn -0.15 0
7C.SPAOL.HNZ. 2023-09-08T18:56:28.78 3.0 undecidable manual Sn 0 0
IV.SELL.HHZ. 2023-09-08T18:55:37.96 3.0 undecidable manual P -0.53 0
IV.T0701.HHZ. 2023-09-08T18:55:37.20 0.6 undecidable manual P 100
IV.SCHR.EHZ. 2023-09-08T18:55:36.14 0.3 undecidable manual S 72 10.5783 133 -0.08 75
IV.MCEL.HHZ. 2023-09-08T18:55:35.98 0.1 undecidable manual P 323 21.6672 115 0.02 100
IV.SCHR.EHZ. 2023-09-08T18:55:34.48 1.0 undecidable manual P 72 10.5783 133 0.38 24
IV.PIPA.HHZ. 2023-09-08T18:55:34.50 3.0 undecidable manual P 0.23 0
IV.SIRI.HHZ. 2023-09-08T18:55:33.56 1.0 positive manual P 280 7.7811 142 -0.15 25
IV.SALB.HHZ. 2023-09-08T18:55:29.43 3.0 undecidable manual P 0.26 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HHE. ML:0.8 0.0000996 0.22 AML other m 2023-09-08T18:55:34.18
IV.SIRI.HNN. ML:1.0 0.0001375 0.2 AML other m 2023-09-08T18:55:36.31
IV.SIRI.HHN. ML:1.0 0.000146 0.2 AML other m 2023-09-08T18:55:36.31
IV.SCHR.EHE. ML:0.7 0.0000618 0.68 AML other m 2023-09-08T18:55:36.34
IV.SCHR.EHN. ML:0.5 0.0000399 0.44 AML other m 2023-09-08T18:55:37.40
IV.SIRI.HNE. ML:0.9 0.00010600000000000002 0.6 AML other m 2023-09-08T18:55:37.91
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