Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 29-05-2023 and time 17:21:37 (UTC) in region 2 km E Laviano (SA)

A magnitude ML 1.8 earthquake occured in region: 2 km E Laviano (SA), on

  • 29-05-2023 17:21:37 (UTC)
  • 29-05-2023 19:21:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7820, 15.3320 at 12 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.

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
Laviano SA 2 1438 1438
Santomenna SA 3 443 1881
Castelnuovo di Conza SA 4 619 2500
Valva SA 7 1643 4143
Colliano SA 7 3638 7781
Sant'Andrea di Conza AV 8 1539 9320
Pescopagano PZ 8 1910 11230
Conza della Campania AV 9 1373 12603
Castelgrande PZ 9 943 13546
Calabritto AV 9 2391 15937
Caposele AV 10 3483 19420
Teora AV 10 1537 20957
Senerchia AV 12 842 21799
Oliveto Citra SA 13 3802 25601
Cairano AV 13 326 25927
Muro Lucano PZ 13 5497 31424
Palomonte SA 14 3985 35409
San Gregorio Magno SA 15 4286 39695
Rapone PZ 16 990 40685
Calitri AV 16 4666 45351
Lioni AV 16 6201 51552
Contursi Terme SA 17 3394 54946
Andretta AV 17 1927 56873
Buccino SA 17 5047 61920
Morra De Sanctis AV 17 1297 63217
Bella PZ 18 5171 68388
San Fele PZ 18 3004 71392
Ricigliano SA 18 1144 72536
Romagnano al Monte SA 19 368 72904
Ruvo del Monte PZ 19 1083 73987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Battipaglia (50786 inhabitants)
43 Km W of Potenza (67122 inhabitants)
48 Km E of Avellino (54857 inhabitants)
50 Km E of Salerno (135261 inhabitants)
53 Km E of Cava de' Tirreni (53659 inhabitants)
60 Km SE of Benevento (60091 inhabitants)
68 Km E of Scafati (50787 inhabitants)
72 Km SW of Cerignola (58396 inhabitants)
72 Km E of Castellammare di Stabia (66466 inhabitants)
78 Km S of Foggia (151991 inhabitants)
81 Km E of Torre del Greco (86275 inhabitants)
82 Km E of Portici (55274 inhabitants)
83 Km E of Acerra (59573 inhabitants)
83 Km E of Ercolano (53709 inhabitants)
87 Km E of Afragola (65057 inhabitants)
89 Km E of Casoria (77642 inhabitants)
90 Km E of Caserta (76326 inhabitants)
91 Km E of Napoli (974074 inhabitants)
95 Km SW of Andria (100440 inhabitants)
97 Km E of Giugliano in Campania (122974 inhabitants)
97 Km E of Marano di Napoli (59874 inhabitants)
97 Km E of Aversa (53047 inhabitants)
99 Km SW of Barletta (94814 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 1.8 2023-05-29
17:21:37		 40.7823 15.3323 12 2023-05-29
17:36:02		 Sala Sismica INGV-Roma 117859061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-29 17:21:37 ± 0.07
Latitude 40.7823 ± 0.0027
Longitude 15.3323 ± 0.0048
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117859061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35343
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 117859061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-29 17:36:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2023-05-29T17:22:10.40 3.0 undecidable manual Pg 4.47 0
IV.AMUR.HHZ. 2023-05-29T17:22:10.00 3.0 undecidable manual S -0.12 0
IV.TDS.HHZ. 2023-05-29T17:22:03.78 3.0 undecidable manual P 2.83 0
IV.MCEL.HHZ. 2023-05-29T17:21:58.33 3.0 undecidable manual S 0.43 0
IV.AMUR.HHZ. 2023-05-29T17:21:56.77 3.0 negative manual P 1.24 0
IV.SGRT.HHZ. 2023-05-29T17:21:56.32 3.0 positive manual P 0.1 0
IV.BULG.HHZ. 2023-05-29T17:21:51.07 3.0 negative manual P 0 0
IV.SIRI.HHZ. 2023-05-29T17:21:50.74 3.0 undecidable manual P -0.61 0
IV.MTSN.HHZ. 2023-05-29T17:21:49.14 3.0 negative manual P -0.03 0
IV.VULT.HHZ. 2023-05-29T17:21:48.02 0.6 undecidable manual S 51 30.5472 92 0.28 46
IV.CDRU.HHZ. 2023-05-29T17:21:48.39 0.6 undecidable manual S 184 32.5452 92 0.11 47
IV.MCEL.HHZ. 2023-05-29T17:21:48.40 3.0 positive manual P -0.26 0
IV.SLCN.HHZ. 2023-05-29T17:21:46.66 3.0 positive manual P 0.3 0
IV.SGO.HHZ. 2023-05-29T17:21:46.70 0.6 undecidable manual S 185 24.6531 93 0.51 43
IV.ACER.HHZ. 2023-05-29T17:21:46.20 3.0 positive manual P -0.19 0
IV.PALZ.HHZ. 2023-05-29T17:21:46.74 3.0 negative manual P -0.36 0
IX.SALI.HNE. 2023-05-29T17:21:45.97 0.6 undecidable manual S 322 20.7681 95 0.83 39
IX.RSF3.HNZ. 2023-05-29T17:21:45.83 0.6 undecidable manual S 327 24.0537 93 -0.19 47
IX.NSC3.EHZ.02 2023-05-29T17:21:44.62 0.6 undecidable manual S 292 19.0698 96 -0.06 49
IV.SGTA.HHZ. 2023-05-29T17:21:44.58 0.3 undecidable manual P 4 39.2274 91 -0.01 71
IX.SCL3.EHZ.02 2023-05-29T17:21:44.40 0.6 undecidable manual S 123 17.871 98 0.03 49
IX.CSG3.HNN. 2023-05-29T17:21:43.07 0.6 undecidable manual S 70 11.6772 117 0.29 48
IX.SNR3.EHZ.02 2023-05-29T17:21:43.15 0.6 undecidable manual S 246 12.876 112 0.09 49
IV.VULT.HHZ. 2023-05-29T17:21:43.05 0.1 undecidable manual P 51 30.5472 92 -0.21 93
IV.CDRU.HHZ. 2023-05-29T17:21:43.20 0.3 undecidable manual P 184 32.5452 92 -0.37 68
IX.CLT3.HNE. 2023-05-29T17:21:43.50 0.6 undecidable manual S 24 14.6742 105 -0.03 49
IX.COL3.HHZ.02 2023-05-29T17:21:42.56 0.6 undecidable manual S 181 10.5783 122 0.03 50
IV.CAFE.HHZ. 2023-05-29T17:21:42.87 0.1 positive manual P 344 28.4493 92 -0.06 96
IV.MRLC.HHZ. 2023-05-29T17:21:42.98 0.6 undecidable manual S 102 13.4754 110 -0.24 47
IX.VDS3.HNE. 2023-05-29T17:21:42.33 0.6 undecidable manual S 120 9.1797 128 0.1 50
IX.PST3.HNE.02 2023-05-29T17:21:42.78 0.3 undecidable manual P 197 25.6521 93 0.27 69
IX.RDM3.HHZ. 2023-05-29T17:21:42.14 0.1 undecidable manual P 59 19.9689 95 0.51 89
IV.SGO.HHZ. 2023-05-29T17:21:42.08 0.1 undecidable manual P 185 24.6531 93 -0.28 94
IX.SCL3.EHZ.02 2023-05-29T17:21:41.23 0.1 negative manual P 123 17.871 98 -0.08 98
IX.RSF3.HNZ. 2023-05-29T17:21:41.92 0.1 undecidable manual P 327 24.0537 93 -0.34 91
IX.NSC3.EHZ.02 2023-05-29T17:21:41.26 0.1 undecidable manual P 292 19.0698 96 -0.23 95
IX.SALI.HNE. 2023-05-29T17:21:41.75 0.1 undecidable manual P 322 20.7681 95 0 99
IV.SNAL.HNE. 2023-05-29T17:21:41.50 0.1 undecidable manual P 327 18.9699 96 0.03 99
IX.CLT3.HNE. 2023-05-29T17:21:40.92 0.1 undecidable manual P 24 14.6742 105 0.1 99
IX.COL3.HHZ.02 2023-05-29T17:21:40.25 0.1 positive manual P 181 10.5783 122 0 100
IX.CSG3.HNN. 2023-05-29T17:21:40.35 0.1 undecidable manual P 70 11.6772 117 -0.04 99
IV.MRLC.HHZ. 2023-05-29T17:21:40.39 0.1 negative manual P 102 13.4754 110 -0.25 95
IX.SNR3.EHZ.02 2023-05-29T17:21:40.75 0.1 positive manual P 246 12.876 112 0.19 96
IX.VDS3.HNE. 2023-05-29T17:21:39.99 0.1 undecidable manual P 120 9.1797 128 -0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRLC.HHE. ML:1.9 0.000789 0.42 AML other m 2023-05-29T17:21:43.08
IV.MRLC.HNE. ML:1.6 0.0003685 0.44 AML other m 2023-05-29T17:21:43.08
IV.MRLC.HHN. ML:2.0 0.0010875 0.32 AML other m 2023-05-29T17:21:43.29
IV.MRLC.HNN. ML:1.7 0.000519 0.34 AML other m 2023-05-29T17:21:43.29
IX.SNR3.HNE.01 ML:2.0 0.00113 0.84 AML other m 2023-05-29T17:21:44.47
IX.NSC3.EHE.02 ML:1.8 0.000495 0.36 AML other m 2023-05-29T17:21:44.89
IX.SCL3.EHN.02 ML:2.2 0.0013399999999999998 0.96 AML other m 2023-05-29T17:21:45.84
IX.SNR3.HNN.01 ML:2.4 0.0022800000000000003 0.38 AML other m 2023-05-29T17:21:45.57
IX.SNR3.EHN.02 ML:2.3 0.002155 0.4 AML other m 2023-05-29T17:21:45.58
IX.NSC3.HNE.01 ML:1.8 0.0005015 1.02 AML other m 2023-05-29T17:21:45.38
IX.SNR3.EHE.02 ML:2.0 0.0010075 1.2 AML other m 2023-05-29T17:21:45.11
IX.SCL3.EHE.02 ML:2.0 0.0008455 0.22 AML other m 2023-05-29T17:21:45.79
IX.NSC3.EHN.02 ML:1.8 0.000497 0.48 AML other m 2023-05-29T17:21:46.29
IX.NSC3.HNN.01 ML:1.8 0.0005254999999999999 0.46 AML other m 2023-05-29T17:21:46.05
IV.SGO.HHE. ML:1.6 0.00021799999999999999 0.98 AML other m 2023-05-29T17:21:46.31
IV.SGO.HHN. ML:1.7 0.0003075 0.16 AML other m 2023-05-29T17:21:48.08
IV.CAFE.HHN. ML:1.5 0.0001575 0.98 AML other m 2023-05-29T17:21:48.76
IV.CDRU.HHN. ML:1.5 0.0001455 0.68 AML other m 2023-05-29T17:21:49.02
IV.CDRU.HNN. ML:1.5 0.000142 1.04 AML other m 2023-05-29T17:21:49.03
IV.CDRU.HNE. ML:1.9 0.0003735 0.24 AML other m 2023-05-29T17:21:49.17
IV.CDRU.HHE. ML:2.0 0.000397 0.26 AML other m 2023-05-29T17:21:49.17
IV.CAFE.HHE. ML:1.7 0.00023999999999999998 0.84 AML other m 2023-05-29T17:21:49.32
IV.CAFE.HNN. ML:1.5 0.0001565 0.64 AML other m 2023-05-29T17:21:50.58
IV.VULT.HHN. ML:1.9 0.0003715 0.22 AML other m 2023-05-29T17:21:50.91
IV.VULT.HHE. ML:1.8 0.000325 0.78 AML other m 2023-05-29T17:21:51.96
IV.CAFE.HNE. ML:1.7 0.0002405 1.42 AML other m 2023-05-29T17:21:52.96
IV.SGTA.HHE. ML:1.5 0.00010125000000000001 0.98 AML other m 2023-05-29T17:21:53.29
IV.SGTA.HHN. ML:1.5 0.00010605 0.62 AML other m 2023-05-29T17:21:53.97
IV.ACER.HHE. ML:2.0 0.00023449999999999998 0.58 AML other m 2023-05-29T17:21:54.24
IV.ACER.HNE. ML:2.0 0.0002335 0.58 AML other m 2023-05-29T17:21:54.24
IV.ACER.HHN. ML:1.8 0.0001505 0.62 AML other m 2023-05-29T17:21:55.66
IV.ACER.HNN. ML:1.8 0.000152 0.56 AML other m 2023-05-29T17:21:56.66
IV.SLCN.HHE. ML:2.0 0.0002725 1.6 AML other m 2023-05-29T17:21:56.88
IV.PALZ.HHN. ML:1.5 0.0000759 0.88 AML other m 2023-05-29T17:21:57.98
IV.SLCN.HHN. ML:1.7 0.000121 0.34 AML other m 2023-05-29T17:21:58.17
IV.MCEL.HHE. ML:1.5 0.00006125 0.46 AML other m 2023-05-29T17:21:58.91
IV.PALZ.HHE. ML:1.6 0.00008444999999999999 0.64 AML other m 2023-05-29T17:21:58.97
IV.MCEL.HHN. ML:1.6 0.0000714 0.46 AML other m 2023-05-29T17:21:59.00
IV.MCEL.HNE. ML:2.0 0.0001815 0.8 AML other m 2023-05-29T17:21:59.35
IV.MTSN.HHN. ML:1.7 0.0000831 0.24 AML other m 2023-05-29T17:22:00.59
IV.MCEL.HNN. ML:2.0 0.00017749999999999998 0.54 AML other m 2023-05-29T17:22:02.45
IV.SIRI.HHN. ML:1.7 0.0000695 1.8 AML other m 2023-05-29T17:22:03.98
IV.SIRI.HNE. ML:1.9 0.0001025 0.24 AML other m 2023-05-29T17:22:03.21
IV.SIRI.HNN. ML:1.8 0.00008424999999999999 1.12 AML other m 2023-05-29T17:22:03.99
IV.SIRI.HHE. ML:1.9 0.00010395 0.28 AML other m 2023-05-29T17:22:03.32
IV.MTSN.HHE. ML:1.6 0.00006645 0.36 AML other m 2023-05-29T17:22:04.23
IV.BULG.HNE. ML:1.7 0.00006785 0.48 AML other m 2023-05-29T17:22:07.78
IV.BULG.HHN. ML:1.9 0.0001069 0.36 AML other m 2023-05-29T17:22:08.73
IV.BULG.HNN. ML:1.9 0.00011649999999999999 0.38 AML other m 2023-05-29T17:22:08.92
IV.SGRT.HHN. ML:1.8 0.0000484 0.96 AML other m 2023-05-29T17:22:11.33
IV.BULG.HHE. ML:1.7 0.0000628 0.48 AML other m 2023-05-29T17:22:13.35
IV.SGRT.HHE. ML:1.9 0.00006835 1.14 AML other m 2023-05-29T17:22:15.37
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