Earthquake with magnitude of Md 1.3 on date 09-10-2021 and time 17:05:15 (Italy) in region Campi Flegrei

A magnitude Md 1.3 earthquake occured in region: Campi Flegrei, on

  • 09-10-2021 15:05:15 (UTC)
  • 09-10-2021 17:05:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8320, 14.1390 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
Quarto NA 5 40930 122591
Bacoli NA 6 26560 149151
Monte di Procida NA 8 12886 162037
Marano di Napoli NA 9 59874 221911
Calvizzano NA 10 12329 234240
Napoli NA 10 974074 1208314
Qualiano NA 10 25702 1234016
Mugnano di Napoli NA 10 34828 1268844
Villaricca NA 11 31122 1299966
Giugliano in Campania NA 12 122974 1422940
Procida NA 12 10530 1433470
Melito di Napoli NA 13 37826 1471296
Casavatore NA 14 18661 1489957
Sant'Antimo NA 14 33905 1523862
Arzano NA 14 34886 1558748
Parete CE 14 11442 1570190
Casandrino NA 15 14336 1584526
Casoria NA 15 77642 1662168
Grumo Nevano NA 16 18061 1680229
Lusciano CE 16 15362 1695591
Trentola-Ducenta CE 16 19429 1715020
Cesa CE 17 8841 1723861
San Giorgio a Cremano NA 17 45557 1769418
Frattamaggiore NA 17 30329 1799747
Aversa CE 17 53047 1852794
Sant'Arpino CE 17 14307 1867101
San Marcellino CE 18 14155 1881256
Casapesenna CE 18 6987 1888243
Afragola NA 18 65057 1953300
Ercolano NA 18 53709 2007009
Frattaminore NA 18 16208 2023217
Succivo CE 18 8457 2031674
Portici NA 18 55274 2086948
Crispano NA 18 12354 2099302
Volla NA 18 23755 2123057
Cardito NA 18 22755 2145812
Frignano CE 19 9008 2154820
Gricignano di Aversa CE 19 11881 2166701
Orta di Atella CE 19 27191 2193892
Carinaro CE 19 7181 2201073
San Cipriano d'Aversa CE 19 13653 2214726
Villa di Briano CE 19 7087 2221813
Cercola NA 19 18267 2240080
Teverola CE 19 14291 2254371
Ischia NA 19 19915 2274286
Casal di Principe CE 20 21389 2295675
Caivano NA 20 37879 2333554
Casaluce CE 20 10078 2343632
San Sebastiano al Vesuvio NA 20 9196 2352828
Torre del Greco NA 20 86275 2439103

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km E of Pozzuoli (81661 inhabitants)
9 Km SW of Marano di Napoli (59874 inhabitants)
10 Km W of Napoli (974074 inhabitants)
12 Km SW of Giugliano in Campania (122974 inhabitants)
15 Km SW of Casoria (77642 inhabitants)
17 Km SW of Aversa (53047 inhabitants)
18 Km SW of Afragola (65057 inhabitants)
18 Km W of Ercolano (53709 inhabitants)
18 Km W of Portici (55274 inhabitants)
20 Km W of Torre del Greco (86275 inhabitants)
23 Km SW of Acerra (59573 inhabitants)
32 Km SW of Caserta (76326 inhabitants)
33 Km W of Castellammare di Stabia (66466 inhabitants)
34 Km W of Scafati (50787 inhabitants)
50 Km W of Cava de' Tirreni (53659 inhabitants)
55 Km W of Salerno (135261 inhabitants)
56 Km W of Avellino (54857 inhabitants)
63 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 1.3 2021-10-09
15:05:15
40.8323 14.1388 2 2022-03-30
13:04:27
Bollettino Sismico Italiano INGV 99440301
Reviewed
Rev200
Md 1.1 2021-10-09
15:05:16
40.8287 14.143 2 2022-01-07
15:25:05
Sala Operativa INGV_OV (Napoli) 96385801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-09 15:05:15 ± 0.18
Latitude 40.8323 ± 0.0018
Longitude 14.1388 ± 0.0024
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99440301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 240
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 179
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.03687
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 7
Type of magnitude Md
Reference to an origin 99440301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-07 15:24:54

Md:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 96385801
Agency INGV
Autore Sala Operativa INGV_OV (Napoli)
Time of creation (UTC) 2021-10-09 15:15:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CADC.EHZ. 2021-10-09T15:06:57.92 3.0 positive manual Pg 17.049999 0
IV.MTGR.HHZ. 2021-10-09T15:06:46.51 3.0 undecidable manual Sn -0.2 0
IV.ZEN8.EHZ. 2021-10-09T15:06:44.86 3.0 negative manual Pn 4.88 0
GU.CANO.HHZ. 2021-10-09T15:06:42.46 3.0 positive manual Pn 1.02 0
IV.PIPA.HHZ. 2021-10-09T15:06:33.98 3.0 undecidable manual Sg 4.13 0
CR.ZAG.BHZ. 2021-10-09T15:06:31.48 3.0 positive manual Pn -4.97 0
IV.MC2.EHZ. 2021-10-09T15:06:27.66 3.0 undecidable manual Sg 1.88 0
IV.IMOL.HNZ. 2021-10-09T15:06:20.62 3.0 positive manual Pn 0.76 0
IV.TOLF.HHZ. 2021-10-09T15:06:17.79 3.0 undecidable manual Sn -3.84 0
IV.MMUR.HNZ. 2021-10-09T15:06:07.57 3.0 undecidable manual Pg 4.23 0
IV.CDRU.HHZ. 2021-10-09T15:05:45.39 3.0 undecidable manual S -6 0
OT.OT17.EHZ. 2021-10-09T15:05:37.84 3.0 positive manual P -4.63 0
IV.CMPR.HHZ. 2021-10-09T15:05:34.72 3.0 undecidable manual P -3.11 0
IV.PAOL.HHZ. 2021-10-09T15:05:25.54 3.0 undecidable manual P -0.34 0
IV.CFB3.HHZ. 2021-10-09T15:05:19.05 0.6 undecidable manual S 190 2.5974 125 0.06 50
IV.CFMN.HHZ. 2021-10-09T15:05:19.55 0.6 undecidable manual S 271 4.0959 114 -0.66 43
IV.CFB1.HHE. 2021-10-09T15:05:19.60 0.6 undecidable manual S 211 2.8971 123 0.42 46
IV.CFB2.HHZ. 2021-10-09T15:05:19.41 0.6 undecidable manual S 188 3.1968 120 -0.01 51
IV.CPOZ.HHZ. 2021-10-09T15:05:18.73 0.3 undecidable manual S 233 2.0979 131 0.16 74
IV.CFMN.HHZ. 2021-10-09T15:05:18.38 0.3 undecidable manual P 271 4.0959 114 0.06 75
IV.COLB.HHZ. 2021-10-09T15:05:17.12 0.1 undecidable manual P 162 1.5984 140 -0.08 100
IV.CFB1.HHE. 2021-10-09T15:05:17.83 0.1 undecidable manual P 211 2.8971 123 0.08 100
IV.CSFT.HHZ. 2021-10-09T15:05:17.09 0.1 negative manual P 171 0.3996 169 0.18 98
IV.CFB2.HHZ. 2021-10-09T15:05:17.66 0.1 undecidable manual P 188 3.1968 120 -0.22 97
IV.CPIS.HHZ. 2021-10-09T15:05:17.65 0.3 undecidable manual S 117 0.7992 157 -0.16 74
IV.CSOB.HNZ. 2021-10-09T15:05:17.81 0.3 undecidable manual S 147 0.7992 157 -0.01 76
IV.CPOZ.HHZ. 2021-10-09T15:05:17.53 0.1 positive manual P 233 2.0979 131 0.13 99
IV.CFB3.HHZ. 2021-10-09T15:05:17.47 0.1 undecidable manual P 190 2.5974 125 -0.17 98
IV.COLB.HHZ. 2021-10-09T15:05:17.96 0.3 undecidable manual S 162 1.5984 140 -0.26 72
IV.CPIS.HHZ. 2021-10-09T15:05:17.10 0.1 undecidable manual P 117 0.7992 157 0.13 99
IV.CSOB.HNZ. 2021-10-09T15:05:17.16 0.1 undecidable manual P 147 0.7992 157 0.18 98
IV.CSFT.HHZ. 2021-10-09T15:05:17.70 0.3 undecidable manual S 171 0.3996 169 0 76
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