Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 16-05-2018 and time 07:18:40 (Italy) in region 2 km S Sant'Andrea di Conza (AV)

A magnitude ML 2.3 earthquake occured in region: 2 km S Sant'Andrea di Conza (AV), on

  • 16-05-2018 05:18:40 (UTC)
  • 16-05-2018 07:18:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8260, 15.3690 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
Sant'Andrea di Conza AV 2 1539 1539
Pescopagano PZ 3 1910 3449
Castelnuovo di Conza SA 4 619 4068
Santomenna SA 5 443 4511
Conza della Campania AV 5 1373 5884
Castelgrande PZ 7 943 6827
Laviano SA 7 1438 8265
Cairano AV 8 326 8591
Teora AV 10 1537 10128
Calitri AV 10 4666 14794
Rapone PZ 11 990 15784
Caposele AV 12 3483 19267
Muro Lucano PZ 13 5497 24764
Andretta AV 13 1927 26691
Valva SA 13 1643 28334
Colliano SA 13 3638 31972
Calabritto AV 13 2391 34363
San Fele PZ 14 3004 37367
Ruvo del Monte PZ 15 1083 38450
Morra De Sanctis AV 15 1297 39747
Bella PZ 16 5171 44918
Lioni AV 16 6201 51119
Senerchia AV 17 842 51961
Oliveto Citra SA 19 3802 55763
San Gregorio Magno SA 19 4286 60049
Palomonte SA 19 3985 64034
Sant'Angelo dei Lombardi AV 20 4250 68284
Guardia Lombardi AV 20 1718 70002
Aquilonia AV 20 1739 71741
Ricigliano SA 20 1144 72885

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Battipaglia (50786 inhabitants)
42 Km NW of Potenza (67122 inhabitants)
49 Km E of Avellino (54857 inhabitants)
54 Km E of Salerno (135261 inhabitants)
58 Km E of Cava de' Tirreni (53659 inhabitants)
60 Km SE of Benevento (60091 inhabitants)
66 Km SW of Cerignola (58396 inhabitants)
71 Km E of Scafati (50787 inhabitants)
72 Km S of Foggia (151991 inhabitants)
76 Km E of Castellammare di Stabia (66466 inhabitants)
85 Km E of Torre del Greco (86275 inhabitants)
85 Km E of Acerra (59573 inhabitants)
85 Km E of Portici (55274 inhabitants)
86 Km E of Ercolano (53709 inhabitants)
90 Km E of Afragola (65057 inhabitants)
90 Km SW of Andria (100440 inhabitants)
91 Km E of Casoria (77642 inhabitants)
91 Km E of Caserta (76326 inhabitants)
94 Km E of Napoli (974074 inhabitants)
94 Km SW of Barletta (94814 inhabitants)
96 Km S of San Severo (53905 inhabitants)
99 Km E of Giugliano in Campania (122974 inhabitants)
99 Km E of Aversa (53047 inhabitants)
99 Km E of Marano di Napoli (59874 inhabitants)
100 Km W of Altamura (70396 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 2.3 2018-05-16
05:18:40		 40.826 15.3692 9 2019-04-24
14:50:42		 Bollettino Sismico Italiano INGV 57311331
Reviewed
Rev100 		ML 2.2 2018-05-16
05:18:39		 40.8092 15.3862 9 2018-05-16
05:29:41		 Sala Sismica INGV-Roma 56912131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-16 05:18:40 ± 0.07
Latitude 40.8260 ± 0.0045
Longitude 15.3692 ± 0.0059
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 57311331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 476
Semi-minor axis of confidence ellipse (meter) 459
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 347
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 1.28333
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 57311331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-28 12:33:04

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 56912131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-16 05:29:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2018-05-16T05:19:11.58 0.6 undecidable manual S 85 104.0181 50 0.81 35
IV.NOCI.HHZ. 2018-05-16T05:19:04.39 0.6 undecidable manual P 91 142.4463 50 0.64 34
GE.MATE.HHN. 2018-05-16T05:19:00.16 0.6 undecidable manual P 99 113.8971 50 0.8 34
IV.LTRZ.EHZ. 2018-05-16T05:19:00.91 0.6 undecidable manual P 101 124.3866 50 -0.06 41
IV.MSAG.HHZ. 2018-05-16T05:18:58.69 0.6 undecidable manual P 24 108.114 50 0.22 41
IV.SGRT.HHZ. 2018-05-16T05:18:58.62 0.6 undecidable manual P 17 107.6145 50 0.23 41
IV.AMUR.HHZ. 2018-05-16T05:18:58.63 0.6 undecidable manual P 85 104.0181 50 0.8 35
IV.APRC.HHN. 2018-05-16T05:18:57.92 0.6 undecidable manual P 8 104.3178 50 0.04 43
IV.MELA.HHZ. 2018-05-16T05:18:57.94 0.6 undecidable manual P 348 99.6225 50 0.77 35
IV.MRB1.HHZ. 2018-05-16T05:18:56.35 0.6 undecidable manual S 315 47.0196 50 0.79 39
IV.PALZ.HHZ. 2018-05-16T05:18:56.90 0.6 undecidable manual S 75 51.3153 50 0.2 46
IV.ACER.HHZ. 2018-05-16T05:18:55.68 0.6 undecidable manual S 95 48.3183 50 -0.24 46
IV.MGR.HHZ. 2018-05-16T05:18:53.57 0.6 undecidable manual P 168 77.9664 50 -0.25 43
IV.MOCO.HHZ. 2018-05-16T05:18:51.74 0.6 undecidable manual P 344 62.8926 50 0.25 45
IV.CMPR.HHZ. 2018-05-16T05:18:50.26 0.6 undecidable manual P 186 56.5989 50 -0.27 45
IV.PALZ.HHZ. 2018-05-16T05:18:49.24 0.6 undecidable manual P 75 51.3153 50 -0.47 44
IV.SLCN.HHZ. 2018-05-16T05:18:49.99 0.6 undecidable manual P 155 53.2023 50 -0.02 48
IV.VULT.HHZ. 2018-05-16T05:18:49.73 0.6 undecidable manual S 55 25.1526 110 0.27 48
IV.CAFE.HHZ. 2018-05-16T05:18:49.80 0.6 undecidable manual S 334 24.9528 110 0.4 46
IV.CAPA.HHN. 2018-05-16T05:18:49.13 0.6 undecidable manual P 45 52.6029 50 -0.78 39
IV.ACER.HHZ. 2018-05-16T05:18:48.57 0.6 undecidable manual P 95 48.3183 50 -0.69 40
IV.MRB1.HHZ. 2018-05-16T05:18:48.72 0.1 positive manual P 315 47.0196 50 -0.33 91
IX.LIO3.HHZ.02 2018-05-16T05:18:47.16 0.6 undecidable manual S 296 17.6712 118 0.09 50
IX.SCL3.HNE.02 2018-05-16T05:18:47.95 0.6 undecidable manual S 140 18.7701 116 0.52 45
IV.MCRV.HHZ. 2018-05-16T05:18:47.48 0.6 undecidable manual S 254 17.5713 118 0.45 46
IX.SRN3.HNE.02 2018-05-16T05:18:47.45 0.6 undecidable manual P 169 38.4282 50 -0.28 46
IV.SGTA.HHZ. 2018-05-16T05:18:47.04 0.6 undecidable manual P 359 34.2435 50 -0.05 49
IX.COL3.HHE.02 2018-05-16T05:18:47.19 0.6 undecidable manual S 192 15.7731 120 0.7 43
IX.PST3.HHZ.02 2018-05-16T05:18:46.32 0.6 undecidable manual P 200 31.2465 50 -0.3 47
IV.VULT.HHZ. 2018-05-16T05:18:45.09 0.3 undecidable manual P 55 25.1526 110 -0.44 69
IX.SSB3.HNE.02 2018-05-16T05:18:45.96 0.6 undecidable manual P 337 30.3474 50 -0.52 45
IV.CAFE.HHZ. 2018-05-16T05:18:45.28 0.6 undecidable manual P 334 24.9528 110 -0.21 48
IX.SNR3.HHE.02 2018-05-16T05:18:44.60 0.6 undecidable manual P 236 17.871 117 0.41 47
IX.SCL3.HNE.02 2018-05-16T05:18:44.14 0.6 undecidable manual P 140 18.7701 116 -0.21 49
IX.RSF3.HNE.02 2018-05-16T05:18:44.52 0.6 undecidable manual P 314 22.2555 113 -0.47 46
IV.MCRV.HHZ. 2018-05-16T05:18:44.02 0.1 positive manual P 254 17.5713 118 -0.1 100
IX.NSC3.HHZ.02 2018-05-16T05:18:44.41 0.1 positive manual P 276 20.868 114 -0.31 95
IX.LIO3.HHZ.02 2018-05-16T05:18:44.17 0.6 undecidable manual P 296 17.6712 118 0.02 51
IX.COL3.HHE.02 2018-05-16T05:18:43.74 0.3 undecidable manual P 192 15.7731 120 -0.07 76
IX.AND3.HNN.02 2018-05-16T05:18:43.42 0.6 undecidable manual P 345 11.877 128 0.25 49
IX.CSG3.HNE.01 2018-05-16T05:18:41.81 0.6 undecidable manual P 96 7.9809 139 -0.78 42
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHN. ML:2.6 0.003469853 0.2976 AML other m 2018-05-16T05:18:47.88
IV.MCRV.HHE. ML:2.5 0.0025048565 0.2208 AML other m 2018-05-16T05:18:48.58
IV.VULT.HNE. ML:2.4 0.0013551600000000002 0.3808 AML other m 2018-05-16T05:18:50.50
IV.CAFE.HNE. ML:1.9 0.0005461327500000001 0.1792 AML other m 2018-05-16T05:18:52.27
IV.CAFE.HHE. ML:1.9 0.0005375495500000001 0.1792 AML other m 2018-05-16T05:18:52.26
IV.ACER.HHE. ML:2.3 0.000570687 0.3008 AML other m 2018-05-16T05:19:00.16
IV.ACER.HNE. ML:2.3 0.0005285261 0.3008 AML other m 2018-05-16T05:19:00.16
IV.ACER.HNN. ML:2.4 0.0007383877000000001 0.3392 AML other m 2018-05-16T05:18:57.00
IV.ACER.HHN. ML:2.4 0.0007723690000000001 0.3392 AML other m 2018-05-16T05:18:57.17
IV.SLCN.HNE. ML:2.3 0.0004906913 0.2976 AML other m 2018-05-16T05:19:02.08
IV.CMPR.HHN. ML:1.6 0.000093585775 0.2432 AML other m 2018-05-16T05:19:01.89
IV.CMPR.HHE. ML:1.9 0.00018083125 0.24 AML other m 2018-05-16T05:19:01.99
IV.AMUR.HHE. ML:2.1 0.00012219680500000002 0.4192 AML other m 2018-05-16T05:19:13.08
IV.AMUR.HHN. ML:2.2 0.00016201399999999998 0.2592 AML other m 2018-05-16T05:19:13.20
IV.MSAG.HHN. ML:2.4 0.00022944049999999998 0.3008 AML other m 2018-05-16T05:19:16.66
IV.MSAG.HNE. ML:2.5 0.0002713263 0.3424 AML other m 2018-05-16T05:19:15.88
IV.MSAG.HHE. ML:2.1 0.00010001409999999999 0.3424 AML other m 2018-05-16T05:19:15.88
IV.MSAG.HNN. ML:2.8 0.0005324473 0.3008 AML other m 2018-05-16T05:19:16.66
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
Waveforms Seismic signals in miniseed + resp format Download