Earthquake with magnitude of Md 2.1 on date 03-12-2021 and time 13:10:59 (Italy) in region Campi Flegrei

A magnitude Md 2.1 earthquake occured in region: Campi Flegrei, on

  • 03-12-2021 12:10:59 (UTC)
  • 03-12-2021 13:10:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.8250, 14.1270 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
Pozzuoli NA 4 81661 81661
Bacoli NA 5 26560 108221
Quarto NA 6 40930 149151
Monte di Procida NA 7 12886 162037
Marano di Napoli NA 10 59874 221911
Napoli NA 11 974074 1195985
Calvizzano NA 11 12329 1208314
Procida NA 11 10530 1218844
Qualiano NA 11 25702 1244546
Mugnano di Napoli NA 12 34828 1279374
Villaricca NA 12 31122 1310496
Giugliano in Campania NA 13 122974 1433470
Melito di Napoli NA 14 37826 1471296
Casavatore NA 15 18661 1489957
Parete CE 15 11442 1501399
Sant'Antimo NA 15 33905 1535304
Arzano NA 15 34886 1570190
Casandrino NA 16 14336 1584526
Casoria NA 17 77642 1662168
Grumo Nevano NA 17 18061 1680229
Lusciano CE 17 15362 1695591
Trentola-Ducenta CE 17 19429 1715020
San Giorgio a Cremano NA 18 45557 1760577
Cesa CE 18 8841 1769418
Aversa CE 18 53047 1822465
Ischia NA 18 19915 1842380
Frattamaggiore NA 18 30329 1872709
Sant'Arpino CE 18 14307 1887016
Casapesenna CE 18 6987 1894003
Ercolano NA 19 53709 1947712
San Marcellino CE 19 14155 1961867
Afragola NA 19 65057 2026924
Succivo CE 19 8457 2035381
Frattaminore NA 19 16208 2051589
Portici NA 19 55274 2106863
Volla NA 20 23755 2130618
Frignano CE 20 9008 2139626
San Cipriano d'Aversa CE 20 13653 2153279
Crispano NA 20 12354 2165633
Cardito NA 20 22755 2188388
Gricignano di Aversa CE 20 11881 2200269
Villa di Briano CE 20 7087 2207356
Orta di Atella CE 20 27191 2234547
Carinaro CE 20 7181 2241728

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km SE of Pozzuoli (81661 inhabitants)
10 Km SW of Marano di Napoli (59874 inhabitants)
11 Km W of Napoli (974074 inhabitants)
13 Km SW of Giugliano in Campania (122974 inhabitants)
17 Km SW of Casoria (77642 inhabitants)
18 Km SW of Aversa (53047 inhabitants)
19 Km W of Ercolano (53709 inhabitants)
19 Km SW of Afragola (65057 inhabitants)
19 Km W of Portici (55274 inhabitants)
21 Km W of Torre del Greco (86275 inhabitants)
25 Km SW of Acerra (59573 inhabitants)
33 Km SW of Caserta (76326 inhabitants)
33 Km W of Castellammare di Stabia (66466 inhabitants)
35 Km W of Scafati (50787 inhabitants)
51 Km W of Cava de' Tirreni (53659 inhabitants)
56 Km W of Salerno (135261 inhabitants)
57 Km W of Avellino (54857 inhabitants)
65 Km SW of Benevento (60091 inhabitants)
76 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 2.1 2021-12-03
12:10:59
40.8247 14.127 2 2022-03-30
13:04:32
Bollettino Sismico Italiano INGV 100275441
Reviewed
Rev200
Md 2.0 2021-12-03
12:10:59
40.8297 14.1438 2 2022-01-28
15:44:16
Sala Operativa INGV-OV (Napoli) 98092121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-03 12:10:59 ± 0.19
Latitude 40.8247 ± 0.0027
Longitude 14.1270 ± 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 100275441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 228
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.05486
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 9
Type of magnitude Md
Reference to an origin 100275441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-28 15:44:02

Md:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 98092121
Agency INGV
Autore Sala Operativa INGV-OV (Napoli)
Time of creation (UTC) 2021-12-03 12:27:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2021-12-03T12:11:15.48 3.0 undecidable manual P -0.01 0
IV.CMIS.HHZ. 2021-12-03T12:11:02.45 0.3 undecidable manual P 212 6.0939 106 -0.36 69
IV.CBAC.EHE. 2021-12-03T12:11:02.03 0.3 undecidable manual P 249 4.1958 112 0.2 72
IV.CSFT.HHZ. 2021-12-03T12:11:01.44 0.6 undecidable manual S 65 1.1988 146 0.05 50
IV.CFMN.HHZ. 2021-12-03T12:11:01.21 0.3 undecidable manual P 287 3.1968 118 -0.15 73
IV.CSTH.HNE. 2021-12-03T12:11:01.52 0.6 undecidable manual S 74 1.8981 131 -0.37 46
IV.COLB.HHZ. 2021-12-03T12:11:01.60 0.6 undecidable manual S 113 1.5984 137 -0.05 50
IV.CPIS.HHZ. 2021-12-03T12:11:01.41 0.6 undecidable manual S 73 1.7982 134 -0.34 47
IV.CAAM.HHN. 2021-12-03T12:11:01.52 0.6 undecidable manual S 115 1.2987 143 0.08 49
IV.CPIS.HHZ. 2021-12-03T12:11:00.73 0.1 undecidable manual P 73 1.7982 134 0.01 100
IV.CSOB.HNZ. 2021-12-03T12:11:00.70 0.1 undecidable manual P 82 1.3986 140 0.1 98
IV.CAAM.HHN. 2021-12-03T12:11:00.71 0.1 undecidable manual P 115 1.2987 143 0.17 97
IV.CSFT.HHZ. 2021-12-03T12:11:00.68 0.1 negative manual P 65 1.1988 146 0.17 97
IV.CSTH.HNE. 2021-12-03T12:11:00.78 0.1 undecidable manual P 74 1.8981 131 -0.01 100
IV.COLB.HHZ. 2021-12-03T12:11:00.75 0.1 undecidable manual P 113 1.5984 137 0.09 99
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