Earthquake with magnitude of ML 1.3 on date 23-04-2023 and time 10:52:48 (Italy) in region 2 km SE Laviano (SA)

A magnitude ML 1.3 earthquake occured in region: 2 km SE Laviano (SA), on

  • 23-04-2023 08:52:48 (UTC)
  • 23-04-2023 10:52:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7710, 15.3140 at 14 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
Laviano SA 2 1438 1438
Santomenna SA 4 443 1881
Valva SA 5 1643 3524
Colliano SA 5 3638 7162
Castelnuovo di Conza SA 5 619 7781
Calabritto AV 8 2391 10172
Caposele AV 9 3483 13655
Senerchia AV 10 842 14497
Sant'Andrea di Conza AV 10 1539 16036
Conza della Campania AV 10 1373 17409
Pescopagano PZ 10 1910 19319
Teora AV 10 1537 20856
Castelgrande PZ 10 943 21799
Oliveto Citra SA 11 3802 25601
Palomonte SA 12 3985 29586
Muro Lucano PZ 15 5497 35083
San Gregorio Magno SA 15 4286 39369
Contursi Terme SA 15 3394 42763
Cairano AV 15 326 43089
Lioni AV 16 6201 49290
Buccino SA 16 5047 54337
Rapone PZ 18 990 55327
Morra De Sanctis AV 18 1297 56624
Calitri AV 18 4666 61290
Andretta AV 18 1927 63217
Ricigliano SA 18 1144 64361
Romagnano al Monte SA 19 368 64729
Bella PZ 19 5171 69900
San Fele PZ 20 3004 72904

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Battipaglia (50786 inhabitants)
44 Km W of Potenza (67122 inhabitants)
46 Km E of Avellino (54857 inhabitants)
48 Km E of Salerno (135261 inhabitants)
52 Km E of Cava de' Tirreni (53659 inhabitants)
60 Km SE of Benevento (60091 inhabitants)
66 Km E of Scafati (50787 inhabitants)
71 Km E of Castellammare di Stabia (66466 inhabitants)
74 Km SW of Cerignola (58396 inhabitants)
79 Km S of Foggia (151991 inhabitants)
80 Km E of Torre del Greco (86275 inhabitants)
81 Km E of Portici (55274 inhabitants)
82 Km E of Ercolano (53709 inhabitants)
82 Km E of Acerra (59573 inhabitants)
86 Km E of Afragola (65057 inhabitants)
87 Km E of Casoria (77642 inhabitants)
89 Km E of Caserta (76326 inhabitants)
90 Km E of Napoli (974074 inhabitants)
95 Km E of Giugliano in Campania (122974 inhabitants)
96 Km E of Marano di Napoli (59874 inhabitants)
96 Km E of Aversa (53047 inhabitants)
97 Km SW of Andria (100440 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 1.3 2023-04-23
08:52:48
40.771 15.3137 14 2024-03-01
17:18:06
Bollettino Sismico Italiano INGV 116954921
Reviewed
Rev100
ML 1.4 2023-04-23
08:52:48
40.7693 15.3152 14 2023-04-23
09:01:49
Sala Sismica INGV-Roma 116636581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-23 08:52:48 ± 0.14
Latitude 40.7710 ± 0.0036
Longitude 15.3137 ± 0.0071
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116954921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 532
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 116636581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-23 09:01:49

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 116954921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-09 11:02:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2023-04-23T08:52:59.70 0.6 undecidable manual S 181 31.2465 98 0.03 48
IX.CMP3.EHZ.02 2023-04-23T08:52:58.32 0.6 undecidable manual S 236 23.6541 103 0.64 42
IV.CAFE.HHZ. 2023-04-23T08:52:58.89 0.6 undecidable manual S 347 29.2485 99 -0.25 46
IX.SALI.HNE. 2023-04-23T08:52:57.67 0.6 undecidable manual S 328 20.868 106 0.7 41
IX.CLT3.HNZ.02 2023-04-23T08:52:56.48 0.6 undecidable manual S 27 16.4724 114 0.62 43
IV.SNAL.HHZ. 2023-04-23T08:52:56.49 0.3 undecidable manual S 333 19.2696 109 -0.05 73
IV.MRLC.HHZ. 2023-04-23T08:52:55.22 0.6 undecidable manual S 96 14.7741 119 -0.24 48
IV.VULT.HHZ. 2023-04-23T08:52:55.28 0.3 undecidable manual P 51 32.5452 97 -0.01 72
IX.NSC3.EHE. 2023-04-23T08:52:55.91 0.6 undecidable manual S 298 18.1707 111 -0.36 46
IX.SNR3.EHZ.02 2023-04-23T08:52:55.38 0.6 undecidable manual S 249 10.878 131 0.78 41
IX.CMP3.EHZ.02 2023-04-23T08:52:54.03 0.1 undecidable manual P 236 23.6541 103 0.09 97
IX.COL3.HHZ.02 2023-04-23T08:52:54.23 0.6 undecidable manual S 171 9.3795 136 -0.08 49
IV.MCRV.HHZ. 2023-04-23T08:52:54.55 0.3 undecidable manual S 276 12.2766 126 -0.34 69
IV.CAFE.HHZ. 2023-04-23T08:52:54.80 0.3 undecidable manual P 347 29.2485 99 0.02 73
IV.CDRU.HHZ. 2023-04-23T08:52:54.90 0.1 undecidable manual P 181 31.2465 98 -0.19 93
IV.SNAL.HHZ. 2023-04-23T08:52:53.25 0.1 undecidable manual P 333 19.2696 109 -0.03 98
IX.SALI.HNE. 2023-04-23T08:52:53.59 0.1 undecidable manual P 328 20.868 106 0.06 98
IX.CLT3.HNZ.02 2023-04-23T08:52:53.00 0.1 undecidable manual P 27 16.4724 114 0.11 97
IV.MCRV.HHZ. 2023-04-23T08:52:52.14 0.1 undecidable manual P 276 12.2766 126 -0.19 96
IX.SNR3.EHZ.02 2023-04-23T08:52:52.16 0.1 undecidable manual P 249 10.878 131 0 100
IX.NSC3.EHE. 2023-04-23T08:52:52.81 0.1 undecidable manual P 298 18.1707 111 -0.31 93
IV.MRLC.HHZ. 2023-04-23T08:52:52.68 0.1 undecidable manual P 96 14.7741 119 0.02 99
IX.COL3.HHZ.02 2023-04-23T08:52:51.91 0.1 positive manual P 171 9.3795 136 -0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHN. ML:1.9 0.000808 1.76 AML other m 2023-04-23T08:52:54.11
IX.COL3.HHE.02 ML:1.6 0.0004145 0.2 AML other m 2023-04-23T08:52:55.27
IX.COL3.HHN.02 ML:1.6 0.00038500000000000003 1.38 AML other m 2023-04-23T08:52:55.21
IV.MCRV.HHE. ML:1.7 0.0004545 0.14 AML other m 2023-04-23T08:52:55.28
IX.SNR3.EHE.02 ML:1.4 0.000251 0.98 AML other m 2023-04-23T08:52:55.89
IV.MRLC.HHE. ML:0.7 0.0000461 0.98 AML other m 2023-04-23T08:52:56.60
IX.SNR3.EHN.02 ML:1.7 0.00047200000000000003 0.68 AML other m 2023-04-23T08:52:56.74
IV.SNAL.HHN. ML:1.1 0.00007980000000000002 0.84 AML other m 2023-04-23T08:52:57.59
IV.MRLC.HHN. ML:0.7 0.00004595 0.96 AML other m 2023-04-23T08:52:57.49
IV.SNAL.HHE. ML:0.9 0.00006155 1.36 AML other m 2023-04-23T08:52:58.22
IX.CMP3.EHE.02 ML:1.5 0.000175 0.46 AML other m 2023-04-23T08:52:59.55
IV.CAFE.HHN. ML:1.0 0.00004555 0.46 AML other m 2023-04-23T08:53:00.23
IV.CDRU.HHE. ML:1.4 0.0001036 0.32 AML other m 2023-04-23T08:53:00.20
IV.CDRU.HHN. ML:1.1 0.000049250000000000004 0.2 AML other m 2023-04-23T08:53:00.55
IX.CMP3.EHN.02 ML:1.5 0.000186 0.12 AML other m 2023-04-23T08:53:01.01
IV.CAFE.HHE. ML:1.0 0.000048 1.02 AML other m 2023-04-23T08:53:03.45
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