Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.9 on date 04-10-2022 and time 09:30:04 (Italy) in region 1 km S Dragoni (CE)

A magnitude ML 0.9 (quarry blast) earthquake occured in region: 1 km S Dragoni (CE), on

  • 04-10-2022 07:30:04 (UTC)
  • 04-10-2022 09:30:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.2640, 14.3090 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Dragoni CE 1 2108 2108
Alvignano CE 3 4824 6932
Liberi CE 5 1153 8085
Baia e Latina CE 6 2197 10282
Roccaromana CE 7 856 11138
Alife CE 8 7616 18754
Castel di Sasso CE 8 1171 19925
Formicola CE 9 1488 21413
Pontelatone CE 9 1703 23116
Pietramelara CE 10 4722 27838
Ruviano CE 10 1655 29493
Caiazzo CE 11 5595 35088
Piana di Monte Verna CE 11 2390 37478
San Potito Sannitico CE 11 1925 39403
Giano Vetusto CE 12 647 40050
Sant'Angelo d'Alife CE 12 2270 42320
Piedimonte Matese CE 12 11297 53617
Gioia Sannitica CE 12 3638 57255
Camigliano CE 12 1943 59198
Pastorano CE 13 3033 62231
Puglianello BN 13 1349 63580
Rocchetta e Croce CE 13 460 64040
Castello del Matese CE 13 1494 65534
Vitulazio CE 13 7420 72954
Bellona CE 13 6053 79007
Raviscanina CE 13 1319 80326
Riardo CE 13 2321 82647
Pietravairano CE 14 2984 85631
Pignataro Maggiore CE 14 6084 91715
Amorosi BN 14 2797 94512
Faicchio BN 14 3634 98146
San Gregorio Matese CE 15 988 99134
Castel Campagnano CE 15 1581 100715
Limatola BN 15 4073 104788
Calvi Risorta CE 16 5707 110495
San Salvatore Telesino BN 16 3999 114494
Castel Morrone CE 16 3858 118352
Ailano CE 17 1369 119721
Vairano Patenora CE 17 6594 126315
Valle Agricola CE 19 890 127205
Dugenta BN 19 2798 130003
Cusano Mutri BN 19 4091 134094
Capua CE 19 18820 152914
Pratella CE 19 1565 154479
Telese Terme BN 19 7486 161965
Sparanise CE 19 7429 169394
San Lorenzello BN 20 2227 171621
Caianello CE 20 1824 173445
San Prisco CE 20 12345 185790
Melizzano BN 20 1858 187648
Casagiove CE 20 13651 201299

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Caserta (76326 inhabitants)
33 Km N of Aversa (53047 inhabitants)
36 Km N of Acerra (59573 inhabitants)
38 Km N of Afragola (65057 inhabitants)
38 Km N of Giugliano in Campania (122974 inhabitants)
40 Km N of Casoria (77642 inhabitants)
42 Km N of Marano di Napoli (59874 inhabitants)
42 Km W of Benevento (60091 inhabitants)
47 Km N of Napoli (974074 inhabitants)
49 Km N of Portici (55274 inhabitants)
50 Km NE of Pozzuoli (81661 inhabitants)
51 Km N of Ercolano (53709 inhabitants)
53 Km N of Torre del Greco (86275 inhabitants)
56 Km NW of Avellino (54857 inhabitants)
60 Km NW of Scafati (50787 inhabitants)
65 Km N of Castellammare di Stabia (66466 inhabitants)
71 Km NW of Cava de' Tirreni (53659 inhabitants)
75 Km NW of Salerno (135261 inhabitants)
92 Km NW 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 		ML 0.9 2022-10-04
07:30:04		 41.2637 14.3088 1 2024-03-01
15:28:22		 Bollettino Sismico Italiano INGV 116573421
Reviewed
Rev100 		ML 1.1 2022-10-04
07:30:03		 41.2752 14.268 15 2022-10-04
07:44:58		 Sala Sismica INGV-Roma 110474541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-04 07:30:04 ± 0.03
Latitude 41.2637 ± 0.0018
Longitude 14.3088 ± 0.0024
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 116573421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 327
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 5
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25451
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 110474541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-04 07:44:58

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 116573421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-21 14:34:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.GIMEL.HHZ. 2022-10-04T07:31:14.27 3.0 negative manual Pn 0.38 0
IV.BDI.HHZ. 2022-10-04T07:31:03.89 3.0 undecidable manual Sg -0.23 0
IV.IACL.HHZ. 2022-10-04T07:31:02.91 3.0 undecidable manual Sg 5.91 0
IV.BAG8.EHZ. 2022-10-04T07:30:54.58 3.0 negative manual Pg 13.89 0
IV.CSNT.HHZ. 2022-10-04T07:30:53.73 3.0 undecidable manual Sg 6.7 0
IV.OSSC.HHZ. 2022-10-04T07:30:52.99 3.0 undecidable manual Sg 4.69 0
GU.TRAV.HHZ. 2022-10-04T07:30:52.57 3.0 negative manual Pn -1.83 0
IV.ZCCA.HHZ. 2022-10-04T07:30:49.06 3.0 undecidable manual Sn -9.99 0
IV.PALZ.HHZ. 2022-10-04T07:30:47.24 3.0 undecidable manual Sg 18.59 0
IV.CAPR.HNZ. 2022-10-04T07:30:46.42 3.0 undecidable manual Pg 5.02 0
IV.BRSN.HNZ. 2022-10-04T07:30:43.87 3.0 undecidable manual Sn -9.99 0
IV.EPOZ.HHZ. 2022-10-04T07:30:39.24 3.0 negative manual Pg 9 0
IV.IVPL.HHZ. 2022-10-04T07:30:33.06 3.0 undecidable manual Pg 12.1 0
IV.MF5.EHZ. 2022-10-04T07:30:28.52 3.0 undecidable manual Sg 5.87 0
IV.IMOL.HNZ. 2022-10-04T07:30:27.86 3.0 positive manual Pg 9.43 0
IT.OPI.HGZ. 2022-10-04T07:30:15.75 3.0 undecidable manual Sg 6.59 0
GU.POPM.HHZ. 2022-10-04T07:30:14.43 3.0 positive manual Pn -6.21 0
IV.PALZ.HHZ. 2022-10-04T07:30:13.23 3.0 positive manual Pg 11.33 0
IV.IACL.HHZ. 2022-10-04T07:30:11.55 3.0 undecidable manual Pn -6.28 0
IV.VITU.HHN. 2022-10-04T07:30:09.70 0.3 undecidable manual P 108 28.2495 91 -0.01 73
IV.SENI.EHZ. 2022-10-04T07:30:08.47 3.0 positive manual Pg 2.16 0
IV.PTRJ.HHZ. 2022-10-04T07:30:08.40 0.3 undecidable manual P 59 21.4674 91 0.05 73
IV.VAGA.HHZ. 2022-10-04T07:30:07.68 0.3 undecidable manual P 340 17.9709 92 0.04 74
IV.SGG.HHZ. 2022-10-04T07:30:06.95 0.3 undecidable manual P 23 14.874 92 -0.07 74
IV.PIGN.HHZ. 2022-10-04T07:30:06.62 0.1 undecidable manual P 237 12.876 92 0 100
IV.CMPR.HHZ. 2022-10-04T07:30:02.92 3.0 undecidable manual Pn 1.38 0
IV.GAVE.EHZ. 2022-10-04T07:29:52.61 3.0 undecidable manual P -4.81 0
IV.ARRO.EHZ. 2022-10-04T07:29:52.22 3.0 negative manual P -4.89 0
IV.VVLD.HHZ. 2022-10-04T07:29:48.70 3.0 negative manual P -2.53 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIGN.HNE. ML:0.9 0.00011071827 0.1088 AML other m 2022-10-04T07:30:09.43
IV.PIGN.HHE. ML:1.0 0.00014099999999999998 0.1 AML other m 2022-10-04T07:30:09.44
IV.PIGN.HHN. ML:0.8 0.00009970314 0.1216 AML other m 2022-10-04T07:30:10.19
IV.SGG.HHN. ML:1.0 0.00013368940000000001 0.4992 AML other m 2022-10-04T07:30:10.95
IV.PIGN.HNN. ML:0.7 0.00007700979 0.3392 AML other m 2022-10-04T07:30:11.26
IV.VAGA.HHE. ML:0.8 0.0000636 1.58 AML other m 2022-10-04T07:30:13.20
IV.SGG.HHE. ML:0.8 0.00007435842 0.384 AML other m 2022-10-04T07:30:13.21
IV.VAGA.HHN. ML:1.0 0.00009609999999999999 0.64 AML other m 2022-10-04T07:30:14.81
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