Earthquake with magnitude of ML 1.5 on date 15-10-2017 and time 05:17:41 (Italy) in region 4 km SE San Sebastiano al Vesuvio (NA)

A magnitude ML 1.5 earthquake occured in region: 4 km SE San Sebastiano al Vesuvio (NA), on

  • 15-10-2017 03:17:41 (UTC)
  • 15-10-2017 05:17:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8200, 14.4170 at 2 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
San Sebastiano al Vesuvio NA 4 9196 9196
Massa di Somma NA 4 5444 14640
Portici NA 5 55274 69914
Pollena Trocchia NA 5 13562 83476
Sant'Anastasia NA 5 27671 111147
Torre del Greco NA 6 86275 197422
Trecase NA 6 9097 206519
Somma Vesuviana NA 6 35233 241752
Ercolano NA 6 53709 295461
Boscotrecase NA 6 10363 305824
Ottaviano NA 6 23860 329684
Cercola NA 7 18267 347951
San Giorgio a Cremano NA 7 45557 393508
Boscoreale NA 7 28072 421580
Terzigno NA 7 18968 440548
Torre Annunziata NA 7 42789 483337
San Giuseppe Vesuviano NA 8 30657 513994
Volla NA 9 23755 537749
Pomigliano d'Arco NA 10 39922 577671
Pompei NA 11 25358 603029
San Gennaro Vesuviano NA 11 11966 614995
Poggiomarino NA 11 21976 636971
Castello di Cisterna NA 11 7869 644840
Brusciano NA 11 16466 661306
Casalnuovo di Napoli NA 12 49855 711161
Mariglianella NA 12 7787 718948
Scafati SA 12 50787 769735
Scisciano NA 12 5994 775729
Marigliano NA 12 30157 805886
San Vitaliano NA 13 6461 812347
Palma Campania NA 13 15978 828325
Saviano NA 13 15982 844307
Santa Maria la Carità NA 14 11722 856029
Striano NA 14 8397 864426
Napoli NA 14 974074 1838500
Casoria NA 14 77642 1916142
Afragola NA 15 65057 1981199
Acerra NA 15 59573 2040772
Carbonara di Nola NA 15 2429 2043201
Casavatore NA 15 18661 2061862
Castellammare di Stabia NA 15 66466 2128328
Nola NA 15 34431 2162759
San Paolo Bel Sito NA 15 3513 2166272
San Marzano sul Sarno SA 15 10442 2176714
Sant'Antonio Abate NA 15 19743 2196457
Angri SA 15 34002 2230459
Liveri NA 16 1607 2232066
Domicella AV 16 1862 2233928
San Valentino Torio SA 16 10947 2244875
Arzano NA 16 34886 2279761
Cimitile NA 16 7280 2287041
Marzano di Nola AV 17 1727 2288768
Lettere NA 17 6188 2294956
Casola di Napoli NA 17 3898 2298854
Gragnano NA 17 29136 2327990
Casamarciano NA 17 3289 2331279
Sarno SA 17 31529 2362808
Vico Equense NA 17 20969 2383777
Cardito NA 17 22755 2406532
Camposano NA 18 5333 2411865
Sant'Egidio del Monte Albino SA 18 8909 2420774
Frattamaggiore NA 18 30329 2451103
Caivano NA 18 37879 2488982
Pago del Vallo di Lauro AV 18 1830 2490812
Pimonte NA 18 5980 2496792
Corbara SA 18 2545 2499337
Crispano NA 19 12354 2511691
Visciano NA 19 4454 2516145
Grumo Nevano NA 19 18061 2534206
Comiziano NA 19 1814 2536020
Casandrino NA 19 14336 2550356
Pagani SA 19 35834 2586190
Lauro AV 19 3509 2589699
Cicciano NA 19 12906 2602605
Melito di Napoli NA 19 37826 2640431
Meta NA 20 8015 2648446
Frattaminore NA 20 16208 2664654
Tufino NA 20 3776 2668430
Sant'Antimo NA 20 33905 2702335
Taurano AV 20 1546 2703881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of Portici (55274 inhabitants)
6 Km NE of Torre del Greco (86275 inhabitants)
6 Km E of Ercolano (53709 inhabitants)
12 Km NW of Scafati (50787 inhabitants)
14 Km E of Napoli (974074 inhabitants)
14 Km SE of Casoria (77642 inhabitants)
15 Km SE of Afragola (65057 inhabitants)
15 Km S of Acerra (59573 inhabitants)
15 Km NW of Castellammare di Stabia (66466 inhabitants)
21 Km E of Marano di Napoli (59874 inhabitants)
22 Km SE of Giugliano in Campania (122974 inhabitants)
25 Km SE of Aversa (53047 inhabitants)
28 Km E of Pozzuoli (81661 inhabitants)
28 Km W of Cava de' Tirreni (53659 inhabitants)
29 Km S of Caserta (76326 inhabitants)
33 Km W of Salerno (135261 inhabitants)
34 Km W of Avellino (54857 inhabitants)
46 Km SW of Benevento (60091 inhabitants)
53 Km W of Battipaglia (50786 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
Md 2.0
ML 1.5
2017-10-15
03:17:41
40.8203 14.4168 2 2018-09-04
09:08:02
Bollettino Sismico Italiano INGV 58811071
Reviewed
Rev200
Md 2.8 2017-10-15
03:17:41
40.824 14.424 2 2018-07-16
13:51:02
Sala Operativa INGV-OV (Napoli) 51078901
Reviewed
Rev200
Md 2.5 2017-10-15
03:17:41
40.824 14.426 2 2018-07-16
13:50:11
Sala Operativa INGV-OV (Napoli) 51002251
Reviewed
Rev200
Md 2.5 2017-10-15
03:17:41
40.824 14.426 4 2018-07-16
13:49:48
Sala Operativa INGV-OV (Napoli) 51001761
Reviewed
Rev100
ML 1.5 2017-10-15
03:17:42
40.8353 14.4503 10 2017-10-15
03:25:40
Sala Sismica INGV-Roma 51001531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-10-15 03:17:41 ± 0.3
Latitude 40.8203 ± 0.0027
Longitude 14.4168 ± 0.0036
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 58811071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 355
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00450
Epicentral distance of station farthest from the epicenter (degree) 0.56657
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:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 51001531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-10-15 03:25:40

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 58811071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-16 13:48:34

Md:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 9
Type of magnitude Md
Reference to an origin 58811071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-16 13:48:34

Md:2.8

Field Value
Value 2.8
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 51078901
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2017-10-17 20:25:10

Md:2.5

Field Value
Value 2.5
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 51002251
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2017-10-15 03:52:14

Md:2.5

Field Value
Value 2.5
Uncertainty 0.0
Num. used stations
Type of magnitude Md
Reference to an origin 51001761
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2017-10-15 03:32:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2017-10-15T03:17:53.90 0.3 undecidable manual P 62.8926 -6.93 0
IV.MODR.HHZ. 2017-10-15T03:17:52.31 0.3 undecidable manual P 57.7977 -7.32 0
IV.PIGN.HHZ. 2017-10-15T03:17:50.27 0.6 undecidable manual P 46.5201 -9.99 0
IV.COLB.HHZ. 2017-10-15T03:17:50.50 0.6 undecidable manual S 22.6551 -9.99 0
IV.MTMR.EHZ. 2017-10-15T03:17:50.33 0.3 undecidable manual P 50.3163 -9.99 0
IV.VITU.HHZ. 2017-10-15T03:17:49.67 0.3 undecidable manual P 44.0226 -9.99 0
IV.PAOL.HNZ. 2017-10-15T03:17:46.31 0.3 undecidable manual P 26.5512 -7.51 0
IV.COLB.HHZ. 2017-10-15T03:17:46.37 0.1 undecidable manual P 22.6551 -7.42 0
IV.OVO.HHZ. 2017-10-15T03:17:43.90 0.6 undecidable manual S 295 1.8981 135 -0.12 49
IV.VTIR.HHZ. 2017-10-15T03:17:43.60 0.6 undecidable manual S 159 1.6983 137 -0.33 47
IV.VBKN.HHZ. 2017-10-15T03:17:43.40 0.6 undecidable manual S 46 1.4985 140 -0.4 46
IV.CRTO.HHZ. 2017-10-15T03:17:43.70 0.6 undecidable manual S 79 0.4995 166 0.37 46
IV.VBKN.HHZ. 2017-10-15T03:17:42.73 0.1 positive manual P 46 1.4985 140 -0.06 99
IV.VCRE.HHZ. 2017-10-15T03:17:42.78 0.1 positive manual P 97 1.1988 146 0.08 99
IV.OVO.HHZ. 2017-10-15T03:17:42.90 0.1 undecidable manual P 295 1.8981 135 -0.01 100
IV.VTIR.HHZ. 2017-10-15T03:17:42.84 0.1 negative manual P 159 1.6983 137 -0.02 100
IV.CRTO.HHZ. 2017-10-15T03:17:42.78 0.1 positive manual P 79 0.4995 166 0.25 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VITU.HHE. ML:0.0 0.00015801369999999997 0.3792 AML other m 2017-10-15T03:17:58.44
IV.MTMR.EHN. ML:0.0 0.000099341225 0.4416 AML other m 2017-10-15T03:18:03.45
IV.PIGN.HHE. ML:0.0 0.000038280505 0.36 AML other m 2017-10-15T03:18:01.53
IV.VITU.HHN. ML:0.0 0.00018350244999999998 0.56 AML other m 2017-10-15T03:18:02.23
IV.PIGN.HHN. ML:0.0 0.00005297245 0.4992 AML other m 2017-10-15T03:18:03.85
IV.MTMR.EHE. ML:0.0 0.00009650322 0.5616 AML other m 2017-10-15T03:18:04.05
IV.SGG.HHE. ML:0.0 0.00004112624 0.6592 AML other m 2017-10-15T03:18:11.23
IV.SGG.HHN. ML:0.0 0.000042371645 0.48 AML other m 2017-10-15T03:18:11.47
IV.CFMN.HHN. ML:1.6 0.0002104124 0.1008 AML other m 2017-10-15T03:17:55.06
IV.CFMN.HHE. ML:1.6 0.00025163999999999997 0.1408 AML other m 2017-10-15T03:17:54.57
IV.MODR.HHN. ML:1.3 0.000042794255 0.28 AML other m 2017-10-15T03:18:03.75
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