Earthquake with magnitude of Md 1.1 on date 14-03-2023 and time 08:53:50 (Italy) in region Campi Flegrei

A magnitude Md 1.1 earthquake occured in region: Campi Flegrei, on

  • 14-03-2023 07:53:50 (UTC)
  • 14-03-2023 08:53:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.8250, 14.1140 at 3 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
Pozzuoli NA 3 81661 81661
Bacoli NA 4 26560 108221
Monte di Procida NA 6 12886 121107
Quarto NA 7 40930 162037
Procida NA 10 10530 172567
Marano di Napoli NA 11 59874 232441
Qualiano NA 11 25702 258143
Calvizzano NA 11 12329 270472
Napoli NA 12 974074 1244546
Mugnano di Napoli NA 12 34828 1279374
Villaricca NA 13 31122 1310496
Giugliano in Campania NA 14 122974 1433470
Melito di Napoli NA 15 37826 1471296
Parete CE 15 11442 1482738
Sant'Antimo NA 16 33905 1516643
Casavatore NA 16 18661 1535304
Arzano NA 16 34886 1570190
Casandrino NA 17 14336 1584526
Ischia NA 17 19915 1604441
Casoria NA 17 77642 1682083
Lusciano CE 18 15362 1697445
Trentola-Ducenta CE 18 19429 1716874
Grumo Nevano NA 18 18061 1734935
Cesa CE 18 8841 1743776
Aversa CE 18 53047 1796823
Casapesenna CE 18 6987 1803810
San Giorgio a Cremano NA 19 45557 1849367
Frattamaggiore NA 19 30329 1879696
San Marcellino CE 19 14155 1893851
Sant'Arpino CE 19 14307 1908158
Casamicciola Terme NA 19 8362 1916520
San Cipriano d'Aversa CE 20 13653 1930173
Succivo CE 20 8457 1938630
Ercolano NA 20 53709 1992339
Frattaminore NA 20 16208 2008547
Afragola NA 20 65057 2073604
Frignano CE 20 9008 2082612
Villa di Briano CE 20 7087 2089699

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km SE of Pozzuoli (81661 inhabitants)
11 Km SW of Marano di Napoli (59874 inhabitants)
12 Km W of Napoli (974074 inhabitants)
14 Km SW of Giugliano in Campania (122974 inhabitants)
17 Km SW of Casoria (77642 inhabitants)
18 Km SW of Aversa (53047 inhabitants)
20 Km W of Ercolano (53709 inhabitants)
20 Km SW of Afragola (65057 inhabitants)
20 Km W of Portici (55274 inhabitants)
22 Km W of Torre del Greco (86275 inhabitants)
26 Km SW of Acerra (59573 inhabitants)
33 Km SW of Caserta (76326 inhabitants)
34 Km W of Castellammare di Stabia (66466 inhabitants)
36 Km W of Scafati (50787 inhabitants)
52 Km W of Cava de' Tirreni (53659 inhabitants)
57 Km W of Salerno (135261 inhabitants)
58 Km W of Avellino (54857 inhabitants)
66 Km SW of Benevento (60091 inhabitants)
77 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
Reviewed
Rev200
Md 1.1 2023-03-14
07:53:50
40.825 14.1145 3 2023-03-14
07:59:31
Sala Operativa INGV-OV (Napoli) 115353061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-14 07:53:50
Latitude 40.8250
Longitude 14.1145
Depth (km) 3 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-OV#SiSmi
Event type earthquake
Origin ID 115353061

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
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) 100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
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) 0.06
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:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 115353061
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2023-03-14 07:59:31
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