Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-04-2023 and time 07:55:42 (UTC) in region 2 km NW Vietri di Potenza (PZ)

A magnitude ML 1.6 earthquake occured in region: 2 km NW Vietri di Potenza (PZ), on

  • 30-04-2023 07:55:42 (UTC)
  • 30-04-2023 09:55:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6130, 15.5000 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.

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
Vietri di Potenza PZ 2 2832 2832
Salvitelle SA 4 560 3392
Balvano PZ 5 1830 5222
Caggiano SA 5 2765 7987
Romagnano al Monte SA 6 368 8355
Ricigliano SA 6 1144 9499
Savoia di Lucania PZ 7 1127 10626
Auletta SA 9 2336 12962
Pertosa SA 9 690 13652
Sant'Angelo Le Fratte PZ 9 1429 15081
San Gregorio Magno SA 10 4286 19367
Polla SA 11 5279 24646
Baragiano PZ 11 2671 27317
Buccino SA 11 5047 32364
Picerno PZ 12 5985 38349
Satriano di Lucania PZ 14 2374 40723
Petina SA 14 1159 41882
Tito PZ 16 7332 49214
Muro Lucano PZ 16 5497 54711
Sant'Arsenio SA 16 2815 57526
Bella PZ 17 5171 62697
Sicignano degli Alburni SA 17 3519 66216
San Pietro al Tanagro SA 18 1695 67911
Atena Lucana SA 18 2336 70247
Palomonte SA 18 3985 74232
Brienza PZ 19 4078 78310
Ruoti PZ 19 3579 81889
Castelgrande PZ 20 943 82832
San Rufo SA 20 1754 84586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Potenza (67122 inhabitants)
44 Km E of Battipaglia (50786 inhabitants)
63 Km E of Salerno (135261 inhabitants)
68 Km E of Cava de' Tirreni (53659 inhabitants)
68 Km SE of Avellino (54857 inhabitants)
80 Km SW of Cerignola (58396 inhabitants)
83 Km E of Scafati (50787 inhabitants)
83 Km SE of Benevento (60091 inhabitants)
86 Km E of Castellammare di Stabia (66466 inhabitants)
92 Km W of Altamura (70396 inhabitants)
93 Km W of Matera (60436 inhabitants)
95 Km S of Foggia (151991 inhabitants)
96 Km SW of Andria (100440 inhabitants)
98 Km E of Torre del Greco (86275 inhabitants)
99 Km E of Portici (55274 inhabitants)
100 Km E of Ercolano (53709 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 1.6 2023-04-30
07:55:42		 40.6133 15.4997 9 2024-03-01
17:18:07		 Bollettino Sismico Italiano INGV 117176731
Reviewed
Rev100 		ML 1.7 2023-04-30
07:55:42		 40.6222 15.4987 7 2023-04-30
08:01:37		 Sala Sismica INGV-Roma 116895481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-30 07:55:42 ± 0.08
Latitude 40.6133 ± 0.0045
Longitude 15.4997 ± 0.0071
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 117176731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 461
Semi-minor axis of confidence ellipse (meter) 363
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.54229
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 117176731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-25 13:58:37

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 116895481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-30 08:01:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-04-30T07:55:54.39 0.6 undecidable manual S 304 33.6441 50 0.35 46
IV.BULG.HHZ. 2023-04-30T07:55:53.08 0.3 undecidable manual P 190 60.1953 50 0 71
IV.PTRP.HHZ. 2023-04-30T07:55:52.12 0.6 undecidable manual P 102 48.4182 50 0.86 37
IV.MGR.HHZ. 2023-04-30T07:55:51.46 0.3 undecidable manual P 175 53.0025 50 -0.5 65
IV.SIRI.HHZ. 2023-04-30T07:55:51.83 0.6 undecidable manual P 147 56.9985 50 -0.76 39
IV.PALZ.HHZ. 2023-04-30T07:55:51.88 0.6 undecidable manual P 46 53.3022 50 -0.14 46
IV.VULT.HHZ. 2023-04-30T07:55:50.06 0.3 undecidable manual P 14 39.1275 50 0.23 70
IV.ACER.HHZ. 2023-04-30T07:55:50.66 0.3 undecidable manual P 63 41.9247 50 0.4 67
IV.SNAL.HHZ. 2023-04-30T07:55:50.46 0.6 undecidable manual P 325 42.3243 50 0.14 47
IV.CDRU.HHZ. 2023-04-30T07:55:50.61 0.6 undecidable manual S 230 21.3675 112 0.55 45
IV.MCEL.HHZ. 2023-04-30T07:55:49.88 0.3 undecidable manual P 141 40.9257 50 -0.22 70
IX.VDS3.HNZ.01 2023-04-30T07:55:48.42 0.3 undecidable manual S 337 15.3735 119 0.25 73
IX.SRN3.HHZ.02 2023-04-30T07:55:48.04 0.6 undecidable manual S 194 14.5743 120 0.13 50
IV.MCRV.HHZ. 2023-04-30T07:55:48.41 0.3 undecidable manual P 304 33.6441 50 -0.56 65
IX.COL3.HHZ. 2023-04-30T07:55:48.88 0.6 undecidable manual S 300 16.4724 118 0.4 47
IV.SGO.HHZ. 2023-04-30T07:55:48.93 0.3 undecidable manual S 250 17.2716 116 0.2 73
IV.PZUN.HHZ. 2023-04-30T07:55:48.64 0.3 undecidable manual P 82 26.1516 108 1.08 53
IV.MRLC.HHZ. 2023-04-30T07:55:48.48 0.6 undecidable manual S 357 15.873 118 0.16 49
IX.SNR3.EHZ.02 2023-04-30T07:55:47.84 0.6 undecidable manual P 298 29.1486 106 -0.31 47
IX.SFL3.HNZ.01 2023-04-30T07:55:46.40 0.6 undecidable manual P 19 20.5683 113 -0.12 49
IV.CDRU.HHZ. 2023-04-30T07:55:46.62 0.1 undecidable manual P 230 21.3675 112 -0.06 100
IX.BEL3.HNE.01 2023-04-30T07:55:46.22 0.3 undecidable manual P 46 16.1727 118 0.5 69
IX.STN3.EHZ.02 2023-04-30T07:55:45.86 0.3 undecidable manual P 126 15.7731 118 0.2 73
IX.VDS3.HNZ.01 2023-04-30T07:55:45.41 0.3 undecidable manual P 337 15.3735 119 -0.18 74
IX.SRN3.HHZ.02 2023-04-30T07:55:45.60 0.1 undecidable manual P 194 14.5743 120 0.16 99
IX.VDP3.HNZ.01 2023-04-30T07:55:45.35 0.6 undecidable manual S 98 6.1938 144 -0.37 48
IV.SGO.HHZ. 2023-04-30T07:55:45.90 0.3 undecidable manual P 250 17.2716 116 -0.01 76
IV.MRLC.HHZ. 2023-04-30T07:55:45.23 0.1 positive manual P 357 15.873 118 -0.44 93
IX.COL3.HHZ. 2023-04-30T07:55:45.63 0.3 undecidable manual P 300 16.4724 118 -0.14 74
IX.VDP3.HNZ.01 2023-04-30T07:55:43.57 0.3 undecidable manual P 98 6.1938 144 -0.6 67
IX.SCL3.EHZ.02 2023-04-30T07:55:43.94 0.3 undecidable manual P 6 9.0798 133 -0.62 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IX.SRN3.HNE.01 ML:2.2 0.0016 0.62 AML other m 2023-04-30T07:55:48.94
IX.SRN3.HHE.02 ML:2.2 0.0015350000000000001 0.64 AML other m 2023-04-30T07:55:48.63
IV.MRLC.HHE. ML:1.7 0.0004425 0.4 AML other m 2023-04-30T07:55:49.53
IV.MRLC.HNE. ML:1.4 0.000215 0.38 AML other m 2023-04-30T07:55:49.53
IX.SRN3.HNN.01 ML:2.4 0.002415 0.48 AML other m 2023-04-30T07:55:50.07
IX.SRN3.HHN.02 ML:2.4 0.0025 0.48 AML other m 2023-04-30T07:55:50.07
IV.MRLC.HNN. ML:1.7 0.000491 0.34 AML other m 2023-04-30T07:55:50.53
IV.MRLC.HHN. ML:2.0 0.001009 0.32 AML other m 2023-04-30T07:55:50.53
IV.SGO.HHN. ML:1.7 0.0004575 0.28 AML other m 2023-04-30T07:55:52.68
IV.SGO.HHE. ML:1.4 0.00023549999999999998 0.6 AML other m 2023-04-30T07:55:52.67
IV.CDRU.HNN. ML:1.4 0.000166 0.3 AML other m 2023-04-30T07:55:53.56
IV.CDRU.HHN. ML:1.4 0.00017199999999999998 0.38 AML other m 2023-04-30T07:55:53.41
IV.CDRU.HHE. ML:1.7 0.00032700000000000003 0.84 AML other m 2023-04-30T07:55:53.54
IV.CDRU.HNE. ML:1.6 0.00030400000000000007 0.4 AML other m 2023-04-30T07:55:53.54
IV.ACER.HHE. ML:1.6 0.000133 0.56 AML other m 2023-04-30T07:56:00.29
IV.SIRI.HHE. ML:1.7 0.00010175255499999999 0.2624 AML other m 2023-04-30T07:56:02.23
IV.SIRI.HHN. ML:1.6 0.00009160794999999999 0.2048 AML other m 2023-04-30T07:56:03.02
IV.MGR.HHN. ML:1.5 0.00008160131000000002 0.32 AML other m 2023-04-30T07:56:03.27
IV.MCEL.HHN. ML:1.5 0.00010339999999999999 1.28 AML other m 2023-04-30T07:56:03.76
IV.MGR.HHE. ML:1.6 0.0001024 1.3 AML other m 2023-04-30T07:56:03.19
IV.MCEL.HHE. ML:1.4 0.0000917 0.34 AML other m 2023-04-30T07:56:03.98
IV.MCEL.HNN. ML:1.8 0.000242 1.1 AML other m 2023-04-30T07:56:04.61
IV.SIRI.HNE. ML:1.7 0.00010128305999999999 1.1712 AML other m 2023-04-30T07:56:04.84
IV.PTRP.HHN. ML:1.4 0.00007155 0.54 AML other m 2023-04-30T07:56:04.66
IV.ACER.HHN. ML:1.5 0.00010350000000000001 0.52 AML other m 2023-04-30T07:56:04.50
IV.MCEL.HNE. ML:1.9 0.0002845 0.44 AML other m 2023-04-30T07:56:04.79
IV.SIRI.HNN. ML:1.6 0.000085212725 0.256 AML other m 2023-04-30T07:56:05.52
IV.SNAL.HNE. ML:1.5 0.00010546790000000001 0.7488 AML other m 2023-04-30T07:56:06.55
IV.BULG.HHE. ML:1.3 0.00004659156000000001 0.544 AML other m 2023-04-30T07:56:06.57
IV.VULT.HHN. ML:1.7 0.00018569615 0.3968 AML other m 2023-04-30T07:56:06.51
IV.SNAL.HHE. ML:1.4 0.00009220033999999999 0.48 AML other m 2023-04-30T07:56:06.54
IV.BULG.HHN. ML:1.7 0.00009265000000000002 0.88 AML other m 2023-04-30T07:56:07.52
IV.SNAL.HNN. ML:1.8 0.00021450000000000004 1.5 AML other m 2023-04-30T07:56:08.99
IV.SNAL.HHN. ML:1.8 0.00021 1.44 AML other m 2023-04-30T07:56:08.98
IV.VULT.HHE. ML:1.6 0.000136 0.54 AML other m 2023-04-30T07:56:08.61
IV.PTRP.HHE. ML:1.5 0.00009175 0.54 AML other m 2023-04-30T07:56:13.15
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