Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 16-05-2023 and time 05:15:01 (Italy) in region 4 km S Muro Lucano (PZ)

A magnitude ML 1.9 earthquake occured in region: 4 km S Muro Lucano (PZ), on

  • 16-05-2023 03:15:01 (UTC)
  • 16-05-2023 05:15:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7160, 15.4760 at 3 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Muro Lucano PZ 4 5497 5497
Ricigliano SA 5 1144 6641
Bella PZ 7 5171 11812
Balvano PZ 8 1830 13642
Castelgrande PZ 9 943 14585
San Gregorio Magno SA 9 4286 18871
Romagnano al Monte SA 10 368 19239
Baragiano PZ 11 2671 21910
San Fele PZ 13 3004 24914
Buccino SA 13 5047 29961
Vietri di Potenza PZ 13 2832 32793
Salvitelle SA 14 560 33353
Rapone PZ 15 990 34343
Pescopagano PZ 15 1910 36253
Colliano SA 15 3638 39891
Ruvo del Monte PZ 16 1083 40974
Laviano SA 16 1438 42412
Picerno PZ 16 5985 48397
Santomenna SA 17 443 48840
Palomonte SA 17 3985 52825
Caggiano SA 17 2765 55590
Sant'Andrea di Conza AV 17 1539 57129
Ruoti PZ 17 3579 60708
Castelnuovo di Conza SA 17 619 61327
Savoia di Lucania PZ 18 1127 62454
Valva SA 18 1643 64097
Auletta SA 18 2336 66433
Pertosa SA 19 690 67123
Conza della Campania AV 20 1373 68496

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Potenza (67122 inhabitants)
43 Km E of Battipaglia (50786 inhabitants)
60 Km E of Salerno (135261 inhabitants)
61 Km E of Avellino (54857 inhabitants)
65 Km E of Cava de' Tirreni (53659 inhabitants)
71 Km SW of Cerignola (58396 inhabitants)
74 Km SE of Benevento (60091 inhabitants)
80 Km E of Scafati (50787 inhabitants)
83 Km S of Foggia (151991 inhabitants)
84 Km E of Castellammare di Stabia (66466 inhabitants)
89 Km SW of Andria (100440 inhabitants)
92 Km W of Altamura (70396 inhabitants)
94 Km E of Torre del Greco (86275 inhabitants)
95 Km W of Matera (60436 inhabitants)
95 Km E of Portici (55274 inhabitants)
95 Km SW of Barletta (94814 inhabitants)
96 Km E of Ercolano (53709 inhabitants)
96 Km E of Acerra (59573 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 1.9 2023-05-16
03:15:01		 40.7165 15.4755 3 2023-05-16
03:20:30		 Sala Sismica INGV-Roma 117393891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-16 03:15:01 ± 0.22
Latitude 40.7165 ± 0.0090
Longitude 15.4755 ± 0.0131
Depth (km) 3 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117393891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1070
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 20
Type of magnitude ML
Reference to an origin 117393891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-16 03:20:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2023-05-16T03:15:58.61 3.0 undecidable manual Sn 0.36 0
IV.AMUR.HHZ. 2023-05-16T03:15:32.14 3.0 undecidable manual S 0.09 0
IV.CAFE.HHZ. 2023-05-16T03:15:15.57 0.1 undecidable manual S 330 39.9267 94 0.21 90
IV.ACER.HHZ. 2023-05-16T03:15:15.96 0.1 undecidable manual S 79 40.0266 94 0.57 82
IV.SLCN.HHZ. 2023-05-16T03:15:14.61 0.1 undecidable manual S 160 38.5281 95 -0.28 89
IV.SIRI.HHZ. 2023-05-16T03:15:14.02 3.0 positive manual P -0.22 0
IV.SNAL.HHZ. 2023-05-16T03:15:13.07 0.1 undecidable manual S 316 32.2455 95 0.38 88
IV.MRVN.HHZ. 2023-05-16T03:15:13.81 3.0 negative manual P -0.2 0
IV.MGR.HHZ. 2023-05-16T03:15:13.11 3.0 undecidable manual P -0.69 0
IV.PTRP.HHZ. 2023-05-16T03:15:12.42 3.0 undecidable manual P 0.82 0
IV.ACER.HHZ. 2023-05-16T03:15:09.01 0.1 undecidable manual P 79 40.0266 94 -0.49 85
IV.SLCN.HHZ. 2023-05-16T03:15:09.59 0.6 undecidable manual P 160 38.5281 95 0.38 44
IV.CAFE.HHZ. 2023-05-16T03:15:08.77 0.6 positive manual P 330 39.9267 94 -0.72 39
IV.SNAL.HHZ. 2023-05-16T03:15:07.35 0.1 negative manual P 316 32.2455 95 -0.6 83
IV.CDRU.HHZ. 2023-05-16T03:15:07.93 0.3 positive manual P 210 28.9488 96 0.63 62
IV.MRLC.HHZ. 2023-05-16T03:15:03.36 0.1 undecidable manual S 14 4.5954 124 -0.01 100
IV.MRLC.HHZ. 2023-05-16T03:15:02.46 0.1 undecidable manual P 14 4.5954 124 -0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CDRU.HHE. ML:1.7 0.000248 0.18 AML other m 2023-05-16T03:15:14.57
IV.CAFE.HHN. ML:1.9 0.00028000000000000003 0.98 AML other m 2023-05-16T03:15:17.45
IV.CAFE.HNN. ML:1.9 0.00028300000000000005 1 AML other m 2023-05-16T03:15:17.45
IV.SNAL.HHN. ML:1.9 0.000357 0.56 AML other m 2023-05-16T03:15:18.36
IV.SNAL.HNN. ML:1.9 0.00034550000000000005 0.42 AML other m 2023-05-16T03:15:18.37
IV.CDRU.HHN. ML:1.4 0.00013189999999999998 1.1 AML other m 2023-05-16T03:15:18.28
IV.SNAL.HNE. ML:1.9 0.00035 0.62 AML other m 2023-05-16T03:15:19.53
IV.SLCN.HHN. ML:1.9 0.0003265 1.2 AML other m 2023-05-16T03:15:19.04
IV.CAFE.HHE. ML:2.0 0.000341 0.54 AML other m 2023-05-16T03:15:19.69
IV.CAFE.HNE. ML:2.0 0.0003375 0.42 AML other m 2023-05-16T03:15:19.70
IV.SIRI.HHE. ML:1.7 0.00009195 0.42 AML other m 2023-05-16T03:15:21.32
IV.SNAL.HHE. ML:1.9 0.000381 0.72 AML other m 2023-05-16T03:15:22.36
IV.SLCN.HHE. ML:2.1 0.000429 0.38 AML other m 2023-05-16T03:15:25.45
IV.SLCN.HNE. ML:2.1 0.0004335 0.4 AML other m 2023-05-16T03:15:25.26
IV.SLCN.HNN. ML:2.0 0.000368 1.26 AML other m 2023-05-16T03:15:26.09
IV.MRVN.HHE. ML:1.7 0.00008845 0.22 AML other m 2023-05-16T03:15:26.62
IV.MRVN.HHN. ML:1.7 0.00008315 0.44 AML other m 2023-05-16T03:15:28.65
IV.SIRI.HHN. ML:1.8 0.00010035 1.22 AML other m 2023-05-16T03:15:33.89
IV.AMUR.HHE. ML:1.9 0.0000872 0.52 AML other m 2023-05-16T03:15:34.10
IV.AMUR.HHN. ML:1.8 0.00006845 1.32 AML other m 2023-05-16T03:15:34.14
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