Earthquake with magnitude of ML 0.9 on date 22-09-2023 and time 04:43:11 (Italy) in region 3 km SW Grumento Nova (PZ)

A magnitude ML 0.9 earthquake occured in region: 3 km SW Grumento Nova (PZ), on

  • 22-09-2023 02:43:11 (UTC)
  • 22-09-2023 04:43:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2700, 15.8610 at 8 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
Grumento Nova PZ 3 1700 1700
Moliterno PZ 3 4062 5762
Sarconi PZ 3 1404 7166
Tramutola PZ 9 3089 10255
Viggiano PZ 9 3329 13584
Spinoso PZ 9 1462 15046
Montemurro PZ 12 1235 16281
Marsicovetere PZ 12 5546 21827
Montesano sulla Marcellana SA 14 6704 28531
Castelsaraceno PZ 16 1384 29915
Casalbuono SA 16 1194 31109
Paterno PZ 16 3368 34477
San Martino d'Agri PZ 17 801 35278
Armento PZ 18 631 35909
Lagonegro PZ 18 5584 41493
Padula SA 19 5368 46861
Marsico Nuovo PZ 20 4098 50959

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km S of Potenza (67122 inhabitants)
77 Km SW of Matera (60436 inhabitants)
83 Km E of Battipaglia (50786 inhabitants)
85 Km SW of Altamura (70396 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 0.9 2023-09-22
02:43:11
40.2698 15.8613 8 2023-09-22
02:49:43
Sala Sismica INGV-Roma 121335721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-22 02:43:11 ± 0.13
Latitude 40.2698 ± 0.0045
Longitude 15.8613 ± 0.0035
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121335721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 593
Semi-minor axis of confidence ellipse (meter) 158
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21134
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 121335721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-22 02:49:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACS.HHZ. 2023-09-22T02:44:49.86 3.0 undecidable manual Sg 11.64 0
ST.RONC.HNZ. 2023-09-22T02:44:45.17 3.0 positive manual Pg 10.29 0
7C.SPAOL.HNZ. 2023-09-22T02:44:35.72 3.0 undecidable manual Sg 21.879999 0
ST.GAGG.HHZ. 2023-09-22T02:44:26.10 3.0 undecidable manual Pn -8.26 0
IV.MSSA.HHZ. 2023-09-22T02:44:25.27 3.0 negative manual Pn 0.38 0
IV.FIAM.HHZ. 2023-09-22T02:44:09.95 3.0 undecidable manual Sn -3.8 0
IV.LPEL.HHZ. 2023-09-22T02:44:00.67 3.0 undecidable manual Sg 1.57 0
IV.HPAC.HHZ. 2023-09-22T02:43:54.51 3.0 undecidable manual Pn 3.01 0
AC.KBN.HHZ.00 2023-09-22T02:43:52.45 3.0 undecidable manual Pn -6.17 0
OT.OT14.EHZ. 2023-09-22T02:43:52.27 3.0 undecidable manual Sg 1.16 0
IV.SMA1.EHZ. 2023-09-22T02:43:49.59 3.0 positive manual Pg 6.78 0
IV.RCAV.EHZ. 2023-09-22T02:43:43.24 3.0 undecidable manual Pg 5.38 0
7C.SPAOL.HNZ. 2023-09-22T02:43:40.13 3.0 negative manual Pn -0.33 0
IV.SALB.HHZ. 2023-09-22T02:43:21.48 3.0 undecidable manual Pg 3.62 0
IV.SLCN.HHZ. 2023-09-22T02:43:20.07 0.6 undecidable manual S 305 23.4543 109 -0.16 47
IV.TDS.HHZ. 2023-09-22T02:43:20.38 3.0 undecidable manual P 1.47 0
IV.SCHR.EHZ. 2023-09-22T02:43:18.94 0.6 undecidable manual S 113 19.7691 112 -0.09 48
IV.SCHR.EHZ. 2023-09-22T02:43:16.00 1.0 undecidable manual P 113 19.7691 112 0.1 24
IV.SLCN.HHZ. 2023-09-22T02:43:16.73 1.0 undecidable manual P 305 23.4543 109 0.14 24
IV.SIRI.HHZ. 2023-09-22T02:43:15.11 0.6 undecidable manual S 100
IV.MCRV.HHZ. 2023-09-22T02:43:15.73 3.0 undecidable manual P -0.89 0
IV.MCEL.HHZ. 2023-09-22T02:43:15.60 0.6 undecidable manual S 321 7.881 136 0.06 49
IV.MTSN.HHZ. 2023-09-22T02:43:15.86 0.6 undecidable manual S 268 9.2796 131 -0.03 50
IV.MTSN.HHZ. 2023-09-22T02:43:14.15 0.6 negative manual P 268 9.2796 131 0.07 49
IV.MCEL.HHZ. 2023-09-22T02:43:13.89 0.1 positive manual P 321 7.881 136 0.01 100
IV.VGG3.HNZ. 2023-09-22T02:43:13.74 3.0 undecidable manual S 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCEL.HHE. ML:0.6 0.00006815 1.14 AML other m 2023-09-22T02:43:16.09
IV.MCEL.HHN. ML:0.5 0.000056800000000000005 0.34 AML other m 2023-09-22T02:43:16.48
IV.MTSN.HHE. ML:0.9 0.00011219999999999999 0.28 AML other m 2023-09-22T02:43:16.55
IV.MTSN.HHN. ML:0.9 0.00011449999999999999 1.58 AML other m 2023-09-22T02:43:16.02
IV.MCEL.HNN. ML:1.0 0.00015799999999999996 0.7 AML other m 2023-09-22T02:43:16.89
IV.MCEL.HNE. ML:1.0 0.0001725 0.62 AML other m 2023-09-22T02:43:17.23
IV.SALB.HHN. ML:1.2 0.000028999999999999997 0.52 AML other m 2023-09-22T02:43:27.11
IV.SALB.HHE. ML:1.2 0.000035000000000000004 1.22 AML other m 2023-09-22T02:43:27.22
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