INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of Md 2.2 on date 04-02-2017 and time 17:14:22 (UTC) in region 4 km N Trecase (NA)

A magnitude Md 2.2 earthquake occured in region: 4 km N Trecase (NA), on

  • 04-02-2017 17:14:22 (UTC)
  • 04-02-2017 18:14:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.81, 14.42 at 1 km depth.

The earthquake was located by: Sala Operativa INGV-OV (Napoli).

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
Trecase NA 4 9097 9097
Boscotrecase NA 5 10363 19460
Torre del Greco NA 5 86275 105735
San Sebastiano al Vesuvio NA 6 9196 114931
Massa di Somma NA 6 5444 120375
Boscoreale NA 6 28072 148447
Portici NA 6 55274 203721
Torre Annunziata NA 6 42789 246510
Terzigno NA 6 18968 265478
Ercolano NA 6 53709 319187
Ottaviano NA 7 23860 343047
Pollena Trocchia NA 7 13562 356609
Sant'Anastasia NA 7 27671 384280
Somma Vesuviana NA 7 35233 419513
San Giorgio a Cremano NA 8 45557 465070
San Giuseppe Vesuviano NA 8 30657 495727
Cercola NA 8 18267 513994
Pompei NA 9 25358 539352
Poggiomarino NA 10 21976 561328
Volla NA 10 23755 585083
San Gennaro Vesuviano NA 11 11966 597049
Scafati SA 11 50787 647836
Pomigliano d'Arco NA 11 39922 687758
Castello di Cisterna NA 12 7869 695627
Santa Maria la Carità NA 12 11722 707349
Brusciano NA 13 16466 723815
Palma Campania NA 13 15978 739793
Striano NA 13 8397 748190
Scisciano NA 13 5994 754184
Casalnuovo di Napoli NA 13 49855 804039
Mariglianella NA 13 7787 811826
Castellammare di Stabia NA 14 66466 878292
Marigliano NA 14 30157 908449
Saviano NA 14 15982 924431
San Vitaliano NA 14 6461 930892
Sant'Antonio Abate NA 14 19743 950635
Angri SA 14 34002 984637
San Marzano sul Sarno SA 15 10442 995079
Napoli NA 15 974074 1969153
Carbonara di Nola NA 15 2429 1971582
San Valentino Torio SA 15 10947 1982529
Lettere NA 15 6188 1988717
Gragnano NA 16 29136 2017853
Casoria NA 16 77642 2095495
Casola di Napoli NA 16 3898 2099393
Vico Equense NA 16 20969 2120362
San Paolo Bel Sito NA 16 3513 2123875
Afragola NA 16 65057 2188932
Acerra NA 16 59573 2248505
Nola NA 16 34431 2282936
Casavatore NA 16 18661 2301597
Domicella AV 16 1862 2303459
Liveri NA 16 1607 2305066
Pimonte NA 17 5980 2311046
Sarno SA 17 31529 2342575
Sant'Egidio del Monte Albino SA 17 8909 2351484
Marzano di Nola AV 17 1727 2353211
Arzano NA 17 34886 2388097
Cimitile NA 17 7280 2395377
Corbara SA 17 2545 2397922
Casamarciano NA 18 3289 2401211
Meta NA 18 8015 2409226
Pagani SA 18 35834 2445060
Pago del Vallo di Lauro AV 18 1830 2446890
Camposano NA 19 5333 2452223
Cardito NA 19 22755 2474978
Visciano NA 19 4454 2479432
Sant'Agnello NA 19 9122 2488554
Piano di Sorrento NA 19 13109 2501663
Comiziano NA 19 1814 2503477
Lauro AV 20 3509 2506986
Caivano NA 20 37879 2544865
Frattamaggiore NA 20 30329 2575194
Nocera Inferiore SA 20 46043 2621237
Crispano NA 20 12354 2633591
Grumo Nevano NA 20 18061 2651652

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of Torre del Greco (86275 inhabitants)
6 Km E of Portici (55274 inhabitants)
6 Km E of Ercolano (53709 inhabitants)
11 Km NW of Scafati (50787 inhabitants)
14 Km NW of Castellammare di Stabia (66466 inhabitants)
15 Km E of Napoli (974074 inhabitants)
16 Km SE of Casoria (77642 inhabitants)
16 Km SE of Afragola (65057 inhabitants)
16 Km S of Acerra (59573 inhabitants)
22 Km E of Marano di Napoli (59874 inhabitants)
23 Km SE of Giugliano in Campania (122974 inhabitants)
26 Km SE of Aversa (53047 inhabitants)
27 Km W of Cava de' Tirreni (53659 inhabitants)
28 Km E of Pozzuoli (81661 inhabitants)
31 Km S of Caserta (76326 inhabitants)
32 Km W of Salerno (135261 inhabitants)
34 Km W of Avellino (54857 inhabitants)
47 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 200 Md 2.2 2017-02-04
17:14:22
40.81 14.42 1 2017-02-04
21:58:57
Sala Operativa INGV-OV (Napoli) 40560781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-04 17:14:22 ± 0
Latitude 40.81
Longitude 14.42
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-OV
Event type earthquake
Origin ID 40560781

Uncertainty

Field Value
Preferred uncertainty description
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec)
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty 0
Num. used stations
Type of magnitude Md
Reference to an origin 40560781
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2017-02-04 21:58:57
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