Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 10-05-2023 and time 17:52:07 (Italy) in region 4 km NE Sicignano degli Alburni (SA)

A magnitude ML 1.4 earthquake occured in region: 4 km NE Sicignano degli Alburni (SA), on

  • 10-05-2023 15:52:07 (UTC)
  • 10-05-2023 17:52:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5860, 15.3410 at 16 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
Sicignano degli Alburni SA 4 3519 3519
Buccino SA 6 5047 8566
Petina SA 7 1159 9725
Auletta SA 8 2336 12061
Palomonte SA 9 3985 16046
Romagnano al Monte SA 9 368 16414
San Gregorio Magno SA 9 4286 20700
Postiglione SA 10 2151 22851
Salvitelle SA 10 560 23411
Pertosa SA 10 690 24101
Contursi Terme SA 11 3394 27495
Serre SA 13 3995 31490
Caggiano SA 13 2765 34255
Castelcivita SA 14 1739 35994
Ottati SA 14 618 36612
Controne SA 14 875 37487
Sant'Angelo a Fasanella SA 14 635 38122
Vietri di Potenza PZ 14 2832 40954
Oliveto Citra SA 15 3802 44756
Polla SA 15 5279 50035
Ricigliano SA 15 1144 51179
Colliano SA 16 3638 54817
Balvano PZ 16 1830 56647
Corleto Monforte SA 17 592 57239
Aquara SA 17 1545 58784
Sant'Arsenio SA 18 2815 61599
Savoia di Lucania PZ 18 1127 62726
Valva SA 18 1643 64369
Altavilla Silentina SA 18 7051 71420
Bellosguardo SA 18 794 72214
Sant'Angelo Le Fratte PZ 19 1429 73643
San Pietro al Tanagro SA 19 1695 75338
San Rufo SA 20 1754 77092

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Battipaglia (50786 inhabitants)
40 Km W of Potenza (67122 inhabitants)
50 Km E of Salerno (135261 inhabitants)
55 Km E of Cava de' Tirreni (53659 inhabitants)
59 Km SE of Avellino (54857 inhabitants)
71 Km E of Scafati (50787 inhabitants)
74 Km E of Castellammare di Stabia (66466 inhabitants)
77 Km SE of Benevento (60091 inhabitants)
85 Km E of Torre del Greco (86275 inhabitants)
87 Km E of Portici (55274 inhabitants)
87 Km E of Ercolano (53709 inhabitants)
89 Km SW of Cerignola (58396 inhabitants)
91 Km E of Acerra (59573 inhabitants)
95 Km E of Afragola (65057 inhabitants)
95 Km E of Casoria (77642 inhabitants)
96 Km E of Napoli (974074 inhabitants)
99 Km S of Foggia (151991 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 1.4 2023-05-10
15:52:07		 40.586 15.3407 16 2023-05-10
16:03:41		 Sala Sismica INGV-Roma 117221131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-10 15:52:07 ± 0.15
Latitude 40.5860 ± 0.0054
Longitude 15.3407 ± 0.0095
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117221131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 664
Semi-minor axis of confidence ellipse (meter) 554
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.43707
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 117221131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-10 16:03:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2023-05-10T15:52:23.47 0.3 undecidable manual S 126 48.5181 98 0.77 57
IV.MRLC.HHZ. 2023-05-10T15:52:16.34 0.3 undecidable manual S 33 22.6551 113 0.35 69
IV.MCEL.HHZ. 2023-05-10T15:52:15.92 0.3 undecidable manual P 126 48.5181 98 -0.23 67
IV.SNAL.HHZ. 2023-05-10T15:52:15.07 0.3 undecidable manual P 344 39.2274 101 0.33 66
IX.PST3.HNZ.02 2023-05-10T15:52:13.54 0.6 undecidable manual S 251 8.6802 146 0.49 45
IV.CDRU.HHZ. 2023-05-10T15:52:13.43 0.3 undecidable manual S 196 11.0778 138 -0.03 75
IX.COL3.HHZ.02 2023-05-10T15:52:13.51 0.3 undecidable manual S 356 11.2776 137 0.03 74
IX.SRN3.HHZ.02 2023-05-10T15:52:13.87 0.3 undecidable manual S 138 14.874 128 -0.32 70
IV.SLCN.HHZ. 2023-05-10T15:52:13.91 0.6 undecidable manual P 131 32.8449 104 0.14 47
IV.SGO.HHZ. 2023-05-10T15:52:12.28 0.3 undecidable manual S 225 3.996 163 -0.23 72
IV.MRLC.HHZ. 2023-05-10T15:52:12.19 0.3 undecidable manual P 33 22.6551 113 -0.09 72
IX.STN3.EHZ.02 2023-05-10T15:52:12.64 0.3 undecidable manual P 103 26.9508 108 -0.25 69
IX.SNR3.EHZ.02 2023-05-10T15:52:12.04 0.1 undecidable manual P 323 20.7681 116 0.03 97
IV.MCRV.HHZ. 2023-05-10T15:52:12.64 0.3 undecidable manual P 326 26.1516 109 -0.14 71
IX.SRN3.HHZ.02 2023-05-10T15:52:11.05 0.1 positive manual P 138 14.874 128 -0.19 95
IV.SGO.HHZ. 2023-05-10T15:52:10.22 0.1 undecidable manual P 225 3.996 163 -0.05 100
IX.PST3.HNZ.02 2023-05-10T15:52:10.80 0.3 undecidable manual P 251 8.6802 146 0.22 71
IV.CDRU.HHZ. 2023-05-10T15:52:10.80 0.1 undecidable manual P 196 11.0778 138 -0.01 99
IX.COL3.HHZ.02 2023-05-10T15:52:10.60 0.1 undecidable manual P 356 11.2776 137 -0.22 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGO.HHE. ML:1.6 0.00040500000000000003 1.12 AML other m 2023-05-10T15:52:13.63
IV.SGO.HHN. ML:1.8 0.0007030000000000001 0.1 AML other m 2023-05-10T15:52:13.08
IV.CDRU.HHN. ML:1.3 0.000178 0.22 AML other m 2023-05-10T15:52:13.58
IV.CDRU.HNN. ML:1.3 0.0001585 0.22 AML other m 2023-05-10T15:52:13.47
IV.CDRU.HHE. ML:1.7 0.00041049999999999995 0.24 AML other m 2023-05-10T15:52:13.67
IV.CDRU.HNE. ML:1.7 0.00039600000000000003 0.24 AML other m 2023-05-10T15:52:13.55
IX.COL3.HHE.02 ML:2.0 0.0008489999999999999 0.16 AML other m 2023-05-10T15:52:13.65
IX.COL3.HHN.02 ML:1.7 0.000431 1.16 AML other m 2023-05-10T15:52:13.87
IV.MRLC.HHE. ML:1.2 0.00009049999999999999 0.64 AML other m 2023-05-10T15:52:16.41
IV.MRLC.HNE. ML:0.9 0.000046399999999999996 0.64 AML other m 2023-05-10T15:52:16.41
IV.MRLC.HNN. ML:1.0 0.000056149999999999996 0.68 AML other m 2023-05-10T15:52:16.54
IV.MRLC.HHN. ML:1.3 0.0001037 0.68 AML other m 2023-05-10T15:52:16.54
IX.SNR3.EHN.02 ML:1.4 0.000143 0.24 AML other m 2023-05-10T15:52:18.70
IX.SNR3.EHE.02 ML:1.2 0.00008835 1.6 AML other m 2023-05-10T15:52:19.14
IV.SLCN.HHN. ML:1.2 0.00006395000000000001 0.26 AML other m 2023-05-10T15:52:22.72
IV.SLCN.HHE. ML:1.5 0.00011499999999999999 1.02 AML other m 2023-05-10T15:52:23.64
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