Earthquake with magnitude of ML 1.1 on date 19-09-2020 and time 06:20:58 (UTC) in region 3 km W Colli a Volturno (IS)

A magnitude ML 1.1 earthquake occured in region: 3 km W Colli a Volturno (IS), on

  • 19-09-2020 06:20:58 (UTC)
  • 19-09-2020 08:20:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5880, 14.0720 at 10 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
Colli a Volturno IS 3 1349 1349
Scapoli IS 3 680 2029
Montaquila IS 4 2456 4485
Rocchetta a Volturno IS 4 1113 5598
Filignano IS 5 648 6246
Fornelli IS 6 1909 8155
Castel San Vincenzo IS 8 516 8671
Cerro al Volturno IS 8 1281 9952
Macchia d'Isernia IS 8 1035 10987
Pozzilli IS 8 2380 13367
Pizzone IS 9 329 13696
Viticuso FR 11 353 14049
Acquafondata FR 11 263 14312
Monteroduni IS 11 2264 16576
Venafro IS 11 11280 27856
Acquaviva d'Isernia IS 12 425 28281
Conca Casale IS 12 200 28481
San Biagio Saracinisco FR 12 349 28830
Isernia IS 13 21842 50672
Sant'Agapito IS 13 1496 52168
Vallerotonda FR 14 1581 53749
Montenero Val Cocchiara IS 14 538 54287
Capriati a Volturno CE 15 1541 55828
Rionero Sannitico IS 15 1118 56946
Forlì del Sannio IS 15 675 57621
Miranda IS 16 1047 58668
Longano IS 16 690 59358
Alfedena AQ 17 864 60222
Ciorlano CE 17 426 60648
Fontegreca CE 17 811 61459
Pettoranello del Molise IS 17 460 61919
San Vittore del Lazio FR 18 2636 64555
Pesche IS 18 1661 66216
Sant'Elia Fiumerapido FR 18 6166 72382
Scontrone AQ 18 574 72956
Picinisco FR 18 1218 74174
Roccasicura IS 18 550 74724
Cervaro FR 18 8109 82833
San Pietro Infine CE 18 944 83777
Sesto Campano IS 18 2388 86165
Gallo Matese CE 19 579 86744
Villa Latina FR 20 1241 87985
Castelpizzuto IS 20 155 88140

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km NW of Caserta (76326 inhabitants)
69 Km N of Aversa (53047 inhabitants)
74 Km N of Giugliano in Campania (122974 inhabitants)
76 Km NW of Acerra (59573 inhabitants)
77 Km N of Afragola (65057 inhabitants)
77 Km N of Marano di Napoli (59874 inhabitants)
78 Km N of Casoria (77642 inhabitants)
78 Km NW of Benevento (60091 inhabitants)
82 Km N of Pozzuoli (81661 inhabitants)
84 Km N of Napoli (974074 inhabitants)
85 Km S of Chieti (51815 inhabitants)
88 Km N of Portici (55274 inhabitants)
89 Km N of Ercolano (53709 inhabitants)
92 Km N of Torre del Greco (86275 inhabitants)
96 Km NW of Avellino (54857 inhabitants)
98 Km E of Latina (125985 inhabitants)
98 Km S of Pescara (121014 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 1.1 2020-09-19
06:20:58
41.5877 14.0722 10 2021-02-26
14:56:19
Bollettino Sismico Italiano INGV 87175541
Reviewed
Rev100
ML 1.1 2020-09-19
06:20:58
41.5853 14.0847 7 2020-09-19
06:27:02
Sala Sismica INGV-Roma 83020061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-19 06:20:58 ± 0.11
Latitude 41.5877 ± 0.0081
Longitude 14.0722 ± 0.0084
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87175541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 917
Semi-minor axis of confidence ellipse (meter) 690
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43797
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 87175541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-15 10:30:46

ML:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 83020061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-19 06:27:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CADC.HNZ. 2020-09-19T06:22:47.41 3.0 undecidable manual Sn -9.99 0
GU.CARD.HHZ. 2020-09-19T06:22:34.61 3.0 undecidable manual Sg 7.73 0
IV.BRIS.HHZ. 2020-09-19T06:22:11.67 3.0 undecidable manual Sn -9.99 0
IV.PE3.EHZ. 2020-09-19T06:22:09.70 3.0 undecidable manual Sg 0.21 0
IV.EVRN.HHZ. 2020-09-19T06:21:57.37 3.0 undecidable manual Sn -3.11 0
IV.ROSPO.HHZ. 2020-09-19T06:21:50.89 3.0 undecidable manual Sg 4.15 0
IV.MMN.HHZ. 2020-09-19T06:21:48.78 3.0 undecidable manual Sn 4.72 0
GU.RNCA.HHZ. 2020-09-19T06:21:47.85 3.0 positive manual Pn -1.37 0
IV.NDIM.HHZ. 2020-09-19T06:21:45.91 3.0 positive manual Pn 0.26 0
IV.GAVE.EHZ. 2020-09-19T06:21:42.44 3.0 undecidable manual Sg -2.29 0
GU.GSCL.HHZ. 2020-09-19T06:21:42.40 3.0 positive manual Pg 2.59 0
IV.PZUN.HHZ. 2020-09-19T06:21:40.38 3.0 undecidable manual Sn -0.24 0
GU.GRAM.HHZ. 2020-09-19T06:21:34.85 3.0 undecidable manual Pn -8.89 0
IV.APEC.HHZ. 2020-09-19T06:21:32.09 3.0 negative manual Pg 7.48 0
IV.SENI.HNZ. 2020-09-19T06:21:27.87 3.0 positive manual Pg 1.31 0
IV.SRES.HHZ. 2020-09-19T06:21:27.61 3.0 undecidable manual Sn -6.44 0
IV.CELI.HHZ. 2020-09-19T06:21:19.89 3.0 undecidable manual Pg 0.84 0
IV.NOV.HHZ. 2020-09-19T06:21:15.70 3.0 negative manual Pn -1.92 0
IV.MTGR.HHZ. 2020-09-19T06:21:14.17 3.0 undecidable manual Pg 3.25 0
IV.VVLD.HHZ. 2020-09-19T06:21:13.16 0.6 undecidable manual S 310 48.618 50 -0.53 41
IV.CMPR.HHZ. 2020-09-19T06:21:11.48 3.0 undecidable manual Pg 6.98 0
IV.POFI.HNE. 2020-09-19T06:21:09.92 0.6 undecidable manual S 296 33.1446 50 0.35 45
IV.IFIL.HHZ. 2020-09-19T06:21:08.08 3.0 positive manual Pg -0.01 0
IV.MCI.EHE. 2020-09-19T06:21:07.99 0.6 undecidable manual S 244 24.0537 50 0.85 38
IV.VVLD.HHZ. 2020-09-19T06:21:06.64 0.3 undecidable manual P 310 48.618 50 -0.47 63
IV.VAGA.HHZ. 2020-09-19T06:21:06.96 0.6 undecidable manual S 145 23.3544 50 0 49
IV.SENA.HHZ. 2020-09-19T06:21:05.63 3.0 undecidable manual Pg -9.01 0
IV.RNI2.HHZ. 2020-09-19T06:21:04.82 0.3 undecidable manual S 27 14.4744 126 0.53 66
IV.MIDA.HHZ. 2020-09-19T06:21:04.56 0.6 undecidable manual S 68 16.2726 123 -0.24 47
IV.POFI.HNE. 2020-09-19T06:21:04.61 0.3 undecidable manual P 296 33.1446 50 -0.12 70
IV.MCI.EHE. 2020-09-19T06:21:03.40 0.3 undecidable manual P 244 24.0537 50 0.08 72
IV.VAGA.HHZ. 2020-09-19T06:21:03.12 0.3 undecidable manual P 145 23.3544 50 -0.1 72
IV.MCRV.HHZ. 2020-09-19T06:21:03.69 3.0 undecidable manual Pg -0.42 0
IV.SRES.HHZ. 2020-09-19T06:21:02.45 3.0 positive manual P -4.06 0
IV.RNI2.HHZ. 2020-09-19T06:21:01.84 0.1 undecidable manual P 27 14.4744 126 0.16 96
IV.MIDA.HHZ. 2020-09-19T06:21:01.89 0.1 undecidable manual P 68 16.2726 123 -0.08 97
IV.CERA.HHZ. 2020-09-19T06:21:01.85 0.3 undecidable manual S 284 4.5954 156 -0.2 72
IV.CERA.HHZ. 2020-09-19T06:21:00.35 0.1 negative manual P 284 4.5954 156 -0.04 100
IV.VIVA.HHZ. 2020-09-19T06:20:59.45 3.0 negative manual P -0.16 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.2 0.0002585 1.38 AML other m 2020-09-19T06:21:02.26
IV.CERA.HHE. ML:1.0 0.0001785 1.36 AML other m 2020-09-19T06:21:02.30
IV.MIDA.HHN. ML:1.1 0.0001179 0.86 AML other m 2020-09-19T06:21:05.87
IV.MIDA.HHE. ML:1.1 0.0001126 0.28 AML other m 2020-09-19T06:21:05.67
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