Earthquake with magnitude of ML 0.9 on date 01-05-2023 and time 00:31:13 (Italy) in region 3 km NE Vietri di Potenza (PZ)

A magnitude ML 0.9 earthquake occured in region: 3 km NE Vietri di Potenza (PZ), on

  • 30-04-2023 22:31:13 (UTC)
  • 01-05-2023 00:31:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6210, 15.5220 at 9 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
Vietri di Potenza PZ 3 2832 2832
Balvano PZ 4 1830 4662
Salvitelle SA 6 560 5222
Savoia di Lucania PZ 6 1127 6349
Caggiano SA 6 2765 9114
Ricigliano SA 6 1144 10258
Romagnano al Monte SA 7 368 10626
Sant'Angelo Le Fratte PZ 9 1429 12055
Baragiano PZ 9 2671 14726
Picerno PZ 10 5985 20711
Pertosa SA 11 690 21401
Auletta SA 11 2336 23737
San Gregorio Magno SA 11 4286 28023
Polla SA 12 5279 33302
Satriano di Lucania PZ 13 2374 35676
Buccino SA 13 5047 40723
Tito PZ 14 7332 48055
Muro Lucano PZ 15 5497 53552
Bella PZ 16 5171 58723
Petina SA 16 1159 59882
Sant'Arsenio SA 17 2815 62697
Ruoti PZ 17 3579 66276
Brienza PZ 18 4078 70354
Atena Lucana SA 19 2336 72690
San Pietro al Tanagro SA 19 1695 74385
Sicignano degli Alburni SA 19 3519 77904
Castelgrande PZ 20 943 78847
Palomonte SA 20 3985 82832
Sasso di Castalda PZ 20 835 83667

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Potenza (67122 inhabitants)
45 Km E of Battipaglia (50786 inhabitants)
65 Km E of Salerno (135261 inhabitants)
69 Km E of Avellino (54857 inhabitants)
69 Km E of Cava de' Tirreni (53659 inhabitants)
79 Km SW of Cerignola (58396 inhabitants)
84 Km SE of Benevento (60091 inhabitants)
85 Km E of Scafati (50787 inhabitants)
88 Km E of Castellammare di Stabia (66466 inhabitants)
90 Km W of Altamura (70396 inhabitants)
91 Km W of Matera (60436 inhabitants)
94 Km S of Foggia (151991 inhabitants)
94 Km SW of Andria (100440 inhabitants)
99 Km E of Torre del Greco (86275 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 0.9 2023-04-30
22:31:13
40.6207 15.5218 9 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117375601
Reviewed
Rev100
ML 1.8 2023-04-30
22:31:13
40.6258 15.4917 8 2023-04-30
22:45:22
Sala Sismica INGV-Roma 116915051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-30 22:31:13 ± 0.24
Latitude 40.6207 ± 0.0045
Longitude 15.5218 ± 0.0095
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117375601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 618
Semi-minor axis of confidence ellipse (meter) 496
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.21044
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 117375601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-25 15:16:55

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 116915051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-30 22:45:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2023-04-30T22:31:21.93 0.6 undecidable manual S 232 23.3544 111 -0.16 63
IV.SGO.HHE. 2023-04-30T22:31:20.64 0.6 undecidable manual S 250 19.2696 115 -0.13 64
IX.VDS3.HNE.01 2023-04-30T22:31:20.28 0.6 undecidable manual S 329 15.5733 119 0.67 56
IX.SRN3.HHZ.02 2023-04-30T22:31:20.26 0.6 undecidable manual S 200 15.873 119 0.54 59
IV.MRLC.HHZ. 2023-04-30T22:31:19.72 0.6 undecidable manual S 350 15.2736 120 0.17 64
IV.CDRU.HHZ. 2023-04-30T22:31:18.16 0.3 undecidable manual P 232 23.3544 111 -0.27 93
IX.SCL3.EHZ.02 2023-04-30T22:31:17.54 0.3 undecidable manual S 354 8.2806 137 -0.08 99
IX.STN3.HNZ.02 2023-04-30T22:31:17.36 0.6 undecidable manual P 133 14.874 121 0.48 60
IV.SGO.HHE. 2023-04-30T22:31:17.62 0.3 undecidable manual P 250 19.2696 115 -0.05 98
IX.VDS3.HNE.01 2023-04-30T22:31:17.08 0.3 undecidable manual P 329 15.5733 119 0.08 98
IX.SRN3.HHZ.02 2023-04-30T22:31:17.15 0.3 undecidable manual P 200 15.873 119 0.09 98
IX.VDP3.HNZ.01 2023-04-30T22:31:16.79 0.3 undecidable manual S 112 4.5954 153 -0.07 100
IV.MRLC.HHZ. 2023-04-30T22:31:16.85 0.3 undecidable manual P 350 15.2736 120 -0.11 97
IX.SCL3.EHZ.02 2023-04-30T22:31:15.56 0.3 undecidable manual P 354 8.2806 137 -0.28 95
IX.VDP3.HNZ.01 2023-04-30T22:31:15.15 0.3 undecidable manual P 112 4.5954 153 -0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CDRU.HHE. ML:0.9 0.00005362602 0.6656 AML other m 2023-04-30T22:31:24.62
IV.CDRU.HHN. ML:0.8 0.0000448 0.82 AML other m 2023-04-30T22:31:24.86
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