Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 30-09-2019 and time 21:48:32 (UTC) in region 6 km SE Bagnoli Irpino (AV)

A magnitude ML 1.8 earthquake occured in region: 6 km SE Bagnoli Irpino (AV), on

  • 30-09-2019 21:48:32 (UTC)
  • 30-09-2019 23:48:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7880, 15.1110 at 14 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.

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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
Bagnoli Irpino AV 6 3217 3217
Acerno SA 7 2783 6000
Calabritto AV 9 2391 8391
Senerchia AV 9 842 9233
Montella AV 10 7780 17013
Caposele AV 10 3483 20496
Nusco AV 11 4203 24699
Cassano Irpino AV 12 982 25681
Lioni AV 12 6201 31882
Campagna SA 14 16703 48585
Teora AV 14 1537 50122
Valva SA 14 1643 51765
Oliveto Citra SA 15 3802 55567
Montecorvino Rovella SA 15 12739 68306
Giffoni Valle Piana SA 16 12001 80307
Olevano sul Tusciano SA 16 6878 87185
Laviano SA 16 1438 88623
Sant'Angelo dei Lombardi AV 17 4250 92873
Colliano SA 17 3638 96511
Castelfranci AV 17 2041 98552
Torella dei Lombardi AV 17 2144 100696
Montemarano AV 18 2851 103547
Santomenna SA 18 443 103990
Castelnuovo di Conza SA 18 619 104609
Rocca San Felice AV 19 851 105460
Contursi Terme SA 19 3394 108854
Morra De Sanctis AV 19 1297 110151
Giffoni Sei Casali SA 19 5264 115415
Castelvetere sul Calore AV 19 1615 117030
Volturara Irpina AV 19 3289 120319
Eboli SA 19 40115 160434
Montecorvino Pugliano SA 20 10701 171135

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Battipaglia (50786 inhabitants)
30 Km E of Avellino (54857 inhabitants)
32 Km E of Salerno (135261 inhabitants)
35 Km E of Cava de' Tirreni (53659 inhabitants)
47 Km SE of Benevento (60091 inhabitants)
49 Km E of Scafati (50787 inhabitants)
54 Km E of Castellammare di Stabia (66466 inhabitants)
61 Km W of Potenza (67122 inhabitants)
63 Km E of Torre del Greco (86275 inhabitants)
64 Km E of Portici (55274 inhabitants)
64 Km E of Ercolano (53709 inhabitants)
65 Km E of Acerra (59573 inhabitants)
69 Km E of Afragola (65057 inhabitants)
70 Km E of Casoria (77642 inhabitants)
73 Km E of Napoli (974074 inhabitants)
73 Km E of Caserta (76326 inhabitants)
78 Km E of Giugliano in Campania (122974 inhabitants)
78 Km E of Marano di Napoli (59874 inhabitants)
79 Km E of Aversa (53047 inhabitants)
83 Km SW of Foggia (151991 inhabitants)
85 Km SW of Cerignola (58396 inhabitants)
86 Km E of Pozzuoli (81661 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 1.8 2019-09-30
21:48:32		 40.7877 15.1113 14 2020-02-28
16:42:20		 Bollettino Sismico Italiano INGV 75830941
Reviewed
Rev100 		ML 1.8 2019-09-30
21:48:32		 40.7803 15.1098 14 2019-09-30
22:20:35		 Sala Sismica INGV-Roma 72932021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-30 21:48:32 ± 0.08
Latitude 40.7877 ± 0.0036
Longitude 15.1113 ± 0.0071
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75830941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 429
Semi-minor axis of confidence ellipse (meter) 428
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.49103
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 75830941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-25 09:06:03

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 72932021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-30 22:20:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CDRU.HHZ. 2019-09-30T21:48:45.34 0.6 undecidable manual S 154 36.8298 97 0.15 46
IV.MRLC.HHZ. 2019-09-30T21:48:44.39 0.6 undecidable manual S 96 31.9458 99 0.5 43
IV.CAFE.HHZ. 2019-09-30T21:48:43.41 1.0 undecidable manual S 21 28.6491 101 0.38 22
IV.CMPR.HHZ. 2019-09-30T21:48:42.58 0.1 undecidable manual P 163 54.501 94 -0.11 90
IX.STN3.HHZ.02 2019-09-30T21:48:42.46 0.3 undecidable manual P 122 53.7018 94 -0.1 68
IX.RSF3.HNE. 2019-09-30T21:48:40.46 0.6 undecidable manual S 15 20.3685 110 -0.42 45
IV.MRB1.HHZ. 2019-09-30T21:48:40.40 0.3 undecidable manual P 342 39.0276 97 0.09 69
IX.SALI.HNE. 2019-09-30T21:48:40.37 0.6 undecidable manual S 20 16.7721 116 0.35 46
IV.MTMR.EHZ. 2019-09-30T21:48:40.00 0.6 undecidable manual S 328 17.1717 116 -0.1 48
IV.SNAL.HHZ. 2019-09-30T21:48:40.34 0.3 undecidable manual S 28 17.3715 115 0.2 71
IV.CDRU.HHZ. 2019-09-30T21:48:39.88 0.1 undecidable manual P 154 36.8298 97 -0.09 93
IV.MRLC.HHZ. 2019-09-30T21:48:39.14 0.1 undecidable manual P 96 31.9458 99 -0.08 95
IX.MNT3.HHZ.02 2019-09-30T21:48:38.79 0.3 undecidable manual S 302 10.3785 135 0.18 73
IV.CAFE.HHZ. 2019-09-30T21:48:38.86 0.3 undecidable manual P 21 28.6491 101 0.14 70
IX.LIO3.HHZ. 2019-09-30T21:48:38.98 0.6 undecidable manual S 26 13.3755 125 -0.26 46
IV.MCRV.HHZ. 2019-09-30T21:48:37.74 0.6 undecidable manual S 97 4.7952 157 -0.04 49
IV.SNAL.HHZ. 2019-09-30T21:48:37.09 0.1 negative manual P 28 17.3715 115 0.03 97
IX.RSF3.HNE. 2019-09-30T21:48:37.19 0.1 undecidable manual P 15 20.3685 110 -0.3 92
IV.MTMR.EHZ. 2019-09-30T21:48:36.92 0.1 undecidable manual P 328 17.1717 116 -0.11 96
IX.LIO3.HHZ. 2019-09-30T21:48:36.40 0.1 undecidable manual P 26 13.3755 125 -0.14 96
IX.SALI.HNE. 2019-09-30T21:48:36.99 0.1 undecidable manual P 20 16.7721 116 0.01 98
IX.MNT3.HHZ.02 2019-09-30T21:48:36.37 0.1 negative manual P 302 10.3785 135 0.19 96
IV.MCRV.HHZ. 2019-09-30T21:48:35.72 0.1 undecidable manual P 97 4.7952 157 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHE. ML:1.8 0.000859619 0.1408 AML other m 2019-09-30T21:48:37.91
IV.MCRV.HHN. ML:1.9 0.0009754342 0.1152 AML other m 2019-09-30T21:48:38.60
IX.MNT3.HNN.01 ML:2.1 0.0011841636499999998 0.0768 AML other m 2019-09-30T21:48:39.23
IX.MNT3.HHN.02 ML:2.1 0.001299293 0.0896 AML other m 2019-09-30T21:48:39.24
IX.MNT3.HNE.01 ML:2.0 0.0009096946 0.064 AML other m 2019-09-30T21:48:39.34
IX.MNT3.HHE.02 ML:2.0 0.00110266445 0.0896 AML other m 2019-09-30T21:48:39.31
IV.SNAL.HHN. ML:1.5 0.000253027 0.2176 AML other m 2019-09-30T21:48:40.95
IV.SNAL.HNN. ML:1.5 0.0002266228 0.2176 AML other m 2019-09-30T21:48:40.95
IV.SNAL.HNE. ML:1.5 0.00020999345000000002 1.7312 AML other m 2019-09-30T21:48:41.96
IV.SNAL.HHE. ML:1.5 0.00022437770000000002 1.7312 AML other m 2019-09-30T21:48:41.10
IV.CAFE.HHN. ML:1.3 0.000093807335 0.6272 AML other m 2019-09-30T21:48:46.58
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