INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of Md 2.4 on date 03-12-2018 and time 00:42:50 (Italy) in region 5 km SW Ottaviano (NA)

A magnitude Md 2.4 earthquake occured in region: 5 km SW Ottaviano (NA), on

  • 02-12-2018 23:42:50 (UTC)
  • 03-12-2018 00:42:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.82, 14.43 at 2 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
Ottaviano NA 5 23860 23860
Somma Vesuviana NA 5 35233 59093
Massa di Somma NA 5 5444 64537
Sant'Anastasia NA 6 27671 92208
San Sebastiano al Vesuvio NA 6 9196 101404
Boscotrecase NA 6 10363 111767
Terzigno NA 6 18968 130735
Trecase NA 6 9097 139832
Pollena Trocchia NA 6 13562 153394
Boscoreale NA 6 28072 181466
San Giuseppe Vesuviano NA 6 30657 212123
Portici NA 7 55274 267397
Torre del Greco NA 7 86275 353672
Torre Annunziata NA 7 42789 396461
Ercolano NA 8 53709 450170
Cercola NA 8 18267 468437
San Giorgio a Cremano NA 8 45557 513994
San Gennaro Vesuviano NA 9 11966 525960
Poggiomarino NA 9 21976 547936
Volla NA 10 23755 571691
Pompei NA 10 25358 597049
Pomigliano d'Arco NA 10 39922 636971
Castello di Cisterna NA 11 7869 644840
Brusciano NA 11 16466 661306
Scafati SA 11 50787 712093
Scisciano NA 11 5994 718087
Palma Campania NA 12 15978 734065
Mariglianella NA 12 7787 741852
Marigliano NA 12 30157 772009
Saviano NA 12 15982 787991
San Vitaliano NA 12 6461 794452
Striano NA 12 8397 802849
Casalnuovo di Napoli NA 12 49855 852704
Santa Maria la Carità NA 13 11722 864426
Carbonara di Nola NA 13 2429 866855
Nola NA 14 34431 901286
San Paolo Bel Sito NA 14 3513 904799
San Marzano sul Sarno SA 14 10442 915241
Angri SA 14 34002 949243
Liveri NA 14 1607 950850
Domicella AV 14 1862 952712
San Valentino Torio SA 15 10947 963659
Sant'Antonio Abate NA 15 19743 983402
Acerra NA 15 59573 1042975
Castellammare di Stabia NA 15 66466 1109441
Marzano di Nola AV 15 1727 1111168
Casoria NA 15 77642 1188810
Afragola NA 15 65057 1253867
Cimitile NA 15 7280 1261147
Napoli NA 16 974074 2235221
Sarno SA 16 31529 2266750
Casavatore NA 16 18661 2285411
Casamarciano NA 16 3289 2288700
Lettere NA 16 6188 2294888
Casola di Napoli NA 16 3898 2298786
Gragnano NA 17 29136 2327922
Pago del Vallo di Lauro AV 17 1830 2329752
Camposano NA 17 5333 2335085
Arzano NA 17 34886 2369971
Sant'Egidio del Monte Albino SA 17 8909 2378880
Visciano NA 17 4454 2383334
Corbara SA 17 2545 2385879
Comiziano NA 18 1814 2387693
Vico Equense NA 18 20969 2408662
Pimonte NA 18 5980 2414642
Lauro AV 18 3509 2418151
Cardito NA 18 22755 2440906
Pagani SA 18 35834 2476740
Cicciano NA 18 12906 2489646
Taurano AV 18 1546 2491192
Tufino NA 19 3776 2494968
Caivano NA 19 37879 2532847
Quindici AV 19 1938 2534785
Frattamaggiore NA 19 30329 2565114
Crispano NA 19 12354 2577468
Grumo Nevano NA 20 18061 2595529
Nocera Inferiore SA 20 46043 2641572
Casandrino NA 20 14336 2655908
Meta NA 20 8015 2663923
Moschiano AV 20 1673 2665596
Roccarainola NA 20 7082 2672678

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 SE of Acerra (59573 inhabitants)
15 Km N of Castellammare di Stabia (66466 inhabitants)
15 Km SE of Casoria (77642 inhabitants)
15 Km SE of Afragola (65057 inhabitants)
16 Km E of Napoli (974074 inhabitants)
22 Km E of Marano di Napoli (59874 inhabitants)
23 Km SE of Giugliano in Campania (122974 inhabitants)
25 Km SE of Aversa (53047 inhabitants)
27 Km NW of Cava de' Tirreni (53659 inhabitants)
29 Km E of Pozzuoli (81661 inhabitants)
29 Km S of Caserta (76326 inhabitants)
32 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

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours)

This map reports the earthquake epicenters located in the past 72 hours (3 days) from the time this page has been generated. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2014

Earthquakes since 1000 AD until 2014

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 200 Md 2.4 2018-12-02
23:42:50
40.82 14.43 2 2018-12-03
00:42:07
Sala Operativa INGV-OV (Napoli) 63596101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-02 23:42:50 ± 0
Latitude 40.82
Longitude 14.43
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-OV
Event type earthquake
Origin ID 63596101

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:2.4

Field Value
Value 2.4
Uncertainty 0
Num. used stations
Type of magnitude Md
Reference to an origin 63596101
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2018-12-03 00:42:07
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://cnt.rm.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
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 full SEED format Download