Earthquake with magnitude of Md 0.9 on date 30-04-2017 and time 05:44:03 (Italy) in region 4 km SW Ottaviano (NA)

A magnitude Md 0.9 earthquake occured in region: 4 km SW Ottaviano (NA), on

  • 30-04-2017 03:44:03 (UTC)
  • 30-04-2017 05:44:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.82, 14.44 at 0 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
Ottaviano NA 5 23860 23860
Somma Vesuviana NA 5 35233 59093
Terzigno NA 5 18968 78061
Boscotrecase NA 5 10363 88424
San Giuseppe Vesuviano NA 6 30657 119081
Trecase NA 6 9097 128178
Sant'Anastasia NA 6 27671 155849
Massa di Somma NA 6 5444 161293
Boscoreale NA 6 28072 189365
San Sebastiano al Vesuvio NA 6 9196 198561
Pollena Trocchia NA 7 13562 212123
Portici NA 7 55274 267397
Torre Annunziata NA 7 42789 310186
Torre del Greco NA 7 86275 396461
Ercolano NA 8 53709 450170
Cercola NA 8 18267 468437
San Gennaro Vesuviano NA 9 11966 480403
Poggiomarino NA 9 21976 502379
San Giorgio a Cremano NA 9 45557 547936
Pompei NA 10 25358 573294
Volla NA 10 23755 597049
Pomigliano d'Arco NA 10 39922 636971
Castello di Cisterna NA 11 7869 644840
Scafati SA 11 50787 695627
Brusciano NA 11 16466 712093
Palma Campania NA 11 15978 728071
Scisciano NA 11 5994 734065
Marigliano NA 12 30157 764222
Saviano NA 12 15982 780204
Striano NA 12 8397 788601
Mariglianella NA 12 7787 796388
San Vitaliano NA 12 6461 802849
Casalnuovo di Napoli NA 13 49855 852704
Santa Maria la Carità NA 13 11722 864426
Carbonara di Nola NA 13 2429 866855
San Marzano sul Sarno SA 14 10442 877297
San Paolo Bel Sito NA 14 3513 880810
Nola NA 14 34431 915241
Liveri NA 14 1607 916848
Domicella AV 14 1862 918710
Angri SA 14 34002 952712
San Valentino Torio SA 14 10947 963659
Sant'Antonio Abate NA 14 19743 983402
Castellammare di Stabia NA 15 66466 1049868
Marzano di Nola AV 15 1727 1051595
Acerra NA 15 59573 1111168
Cimitile NA 15 7280 1118448
Sarno SA 15 31529 1149977
Casoria NA 16 77642 1227619
Afragola NA 16 65057 1292676
Casamarciano NA 16 3289 1295965
Lettere NA 16 6188 1302153
Napoli NA 16 974074 2276227
Casola di Napoli NA 16 3898 2280125
Gragnano NA 16 29136 2309261
Pago del Vallo di Lauro AV 16 1830 2311091
Casavatore NA 16 18661 2329752
Sant'Egidio del Monte Albino SA 17 8909 2338661
Camposano NA 17 5333 2343994
Visciano NA 17 4454 2348448
Corbara SA 17 2545 2350993
Comiziano NA 17 1814 2352807
Arzano NA 17 34886 2387693
Lauro AV 17 3509 2391202
Vico Equense NA 18 20969 2412171
Pimonte NA 18 5980 2418151
Pagani SA 18 35834 2453985
Taurano AV 18 1546 2455531
Cicciano NA 18 12906 2468437
Quindici AV 18 1938 2470375
Tufino NA 18 3776 2474151
Cardito NA 18 22755 2496906
Caivano NA 19 37879 2534785
Nocera Inferiore SA 19 46043 2580828
Frattamaggiore NA 19 30329 2611157
Moschiano AV 20 1673 2612830
Crispano NA 20 12354 2625184
Roccarainola NA 20 7082 2632266
Meta NA 20 8015 2640281
Grumo Nevano NA 20 18061 2658342
Sperone AV 20 3706 2662048

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km E of Portici (55274 inhabitants)
7 Km NE of Torre del Greco (86275 inhabitants)
8 Km E of Ercolano (53709 inhabitants)
11 Km NW of Scafati (50787 inhabitants)
15 Km N of Castellammare di Stabia (66466 inhabitants)
15 Km SE of Acerra (59573 inhabitants)
16 Km SE of Afragola (65057 inhabitants)
16 Km SE of Casoria (77642 inhabitants)
16 Km E of Napoli (974074 inhabitants)
23 Km E of Marano di Napoli (59874 inhabitants)
23 Km SE of Giugliano in Campania (122974 inhabitants)
26 Km SE of Aversa (53047 inhabitants)
26 Km NW of Cava de' Tirreni (53659 inhabitants)
29 Km E of Pozzuoli (81661 inhabitants)
30 Km SE of Caserta (76326 inhabitants)
31 Km NW of Salerno (135261 inhabitants)
32 Km W of Avellino (54857 inhabitants)
45 Km SW of Benevento (60091 inhabitants)
52 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
Rev 1000 Md 0.9 2017-04-30
03:44:03
40.82 14.44 0 2018-01-10
09:56:14
Bollettino Sismico Italiano INGV 50216701
Rev 100 Md 0.9 2017-04-30
03:44:02
40.87 14.47 1 2017-04-30
04:12:09
Sala Sismica INGV-Roma 44625941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-30 03:44:03 ± 0.31
Latitude 40.82 ± 0.01
Longitude 14.44 ± 0.02
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50216701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1550
Semi-minor axis of confidence ellipse (meter) 600
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 1550
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 258
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00719
Epicentral distance of station farthest from the epicenter (degree) 0.02068
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:0.9

Field Value
Value 0.9
Uncertainty 0.6
Num. used stations 3
Type of magnitude Md
Reference to an origin 50216701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-18 11:17:54

Md:0.9

Field Value
Value 0.9
Uncertainty 0.6
Num. used stations 3
Type of magnitude Md
Reference to an origin 44625941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-30 04:12:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VCRE.HHZ. 2017-04-30T03:44:04.14 0.3 undecidable manual S 241 0.0072 97 0.11 75
IV.VBKN.HHZ. 2017-04-30T03:44:04.17 0.3 undecidable manual S 315 0.0108 95 0.02 76
IV.VTIR.HHE. 2017-04-30T03:44:04.34 0.6 undecidable manual P 215 0.0207 93 0.14 49
IV.VVDG.HHE. 2017-04-30T03:44:04.50 0.3 undecidable manual P 317 0.018 93 0.36 71
IV.VCRE.HHZ. 2017-04-30T03:44:03.83 0.1 undecidable manual P 241 0.0072 97 -0.08 100
IV.VBKN.HHZ. 2017-04-30T03:44:03.79 0.1 undecidable manual P 315 0.0108 95 -0.19 98
IV.CRTO.HHZ. 2017-04-30T03:44:03.89 0.1 undecidable manual P 264 0.0135 94 -0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VCRE.HHZ. Md:0.9 8 END duration s
IV.VBKN.HHZ. Md:0.8 7 END duration s
IV.CRTO.HHZ. Md:0.8 7 END duration s
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download