Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 14-11-2021 and time 15:46:45 (UTC) in region 6 km W Scapoli (IS)

A magnitude ML 1.1 earthquake occured in region: 6 km W Scapoli (IS), on

  • 14-11-2021 15:46:45 (UTC)
  • 14-11-2021 16:46:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5940, 13.9960 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Scapoli IS 6 680 680
San Biagio Saracinisco FR 6 349 1029
Acquafondata FR 7 263 1292
Filignano IS 7 648 1940
Viticuso FR 8 353 2293
Vallerotonda FR 8 1581 3874
Rocchetta a Volturno IS 8 1113 4987
Castel San Vincenzo IS 9 516 5503
Pizzone IS 9 329 5832
Colli a Volturno IS 9 1349 7181
Montaquila IS 11 2456 9637
Pozzilli IS 11 2380 12017
Conca Casale IS 11 200 12217
Cerro al Volturno IS 11 1281 13498
Fornelli IS 12 1909 15407
Picinisco FR 12 1218 16625
Sant'Elia Fiumerapido FR 12 6166 22791
Venafro IS 13 11280 34071
Villa Latina FR 13 1241 35312
Cervaro FR 15 8109 43421
Montenero Val Cocchiara IS 15 538 43959
Macchia d'Isernia IS 15 1035 44994
Settefrati FR 15 728 45722
San Vittore del Lazio FR 15 2636 48358
Belmonte Castello FR 15 739 49097
Acquaviva d'Isernia IS 16 425 49522
Alfedena AQ 16 864 50386
Atina FR 17 4316 54702
San Pietro Infine CE 17 944 55646
Monteroduni IS 17 2264 57910
Scontrone AQ 17 574 58484
Cassino FR 18 36142 94626
Gallinaro FR 18 1269 95895
Rionero Sannitico IS 18 1118 97013
Barrea AQ 18 726 97739
Terelle FR 19 422 98161
Capriati a Volturno CE 19 1541 99702
Isernia IS 19 21842 121544
Forlì del Sannio IS 19 675 122219
Sant'Agapito IS 20 1496 123715
Civitella Alfedena AQ 20 296 124011
San Donato Val di Comino FR 20 2107 126118

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km NW of Caserta (76326 inhabitants)
71 Km N of Aversa (53047 inhabitants)
76 Km N of Giugliano in Campania (122974 inhabitants)
79 Km NW of Acerra (59573 inhabitants)
79 Km N of Marano di Napoli (59874 inhabitants)
79 Km NW of Afragola (65057 inhabitants)
80 Km NW of Casoria (77642 inhabitants)
83 Km NW of Benevento (60091 inhabitants)
83 Km N of Pozzuoli (81661 inhabitants)
85 Km S of Chieti (51815 inhabitants)
87 Km N of Napoli (974074 inhabitants)
91 Km NW of Portici (55274 inhabitants)
92 Km E of Latina (125985 inhabitants)
92 Km NW of Ercolano (53709 inhabitants)
95 Km NW of Torre del Greco (86275 inhabitants)
98 Km SE of L'Aquila (69753 inhabitants)
99 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
Reviewed
Rev100 		ML 1.1 2021-11-14
15:46:45		 41.5943 13.9963 8 2021-11-14
16:24:19		 Sala Sismica INGV-Roma 97464301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-14 15:46:45 ± 0.13
Latitude 41.5943 ± 0.0072
Longitude 13.9963 ± 0.0072
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97464301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 682
Semi-minor axis of confidence ellipse (meter) 591
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42268
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 97464301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-14 16:24:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2021-11-14T15:47:38.86 3.0 undecidable manual Pn 1 0
OT.OT15.EHZ. 2021-11-14T15:47:30.12 3.0 positive manual Pg 4.25 0
IX.SRN3.HHZ.02 2021-11-14T15:47:14.93 3.0 positive manual P -1.8 0
IV.INTR.HHZ. 2021-11-14T15:47:02.03 0.3 undecidable manual S 351 46.9197 50 0.52 65
IV.VVLD.HHZ. 2021-11-14T15:47:00.53 0.3 undecidable manual S 315 43.4232 50 -0.05 73
IV.LRP.EHZ. 2021-11-14T15:46:58.19 0.6 undecidable manual S 280 34.4433 103 0.06 49
IV.VAGA.HHZ. 2021-11-14T15:46:56.57 0.3 undecidable manual S 135 28.0497 106 0.61 65
IT.OPI.HGZ. 2021-11-14T15:46:54.93 0.3 undecidable manual S 326 24.4533 108 0.15 74
IV.INTR.HHZ. 2021-11-14T15:46:54.47 0.6 undecidable manual P 351 46.9197 50 -0.42 45
IV.MCI.EHZ. 2021-11-14T15:46:53.56 0.3 undecidable manual S 233 19.0698 113 0.54 68
IV.VVLD.HHZ. 2021-11-14T15:46:53.76 0.1 undecidable manual P 315 43.4232 50 -0.6 85
IV.LRP.EHZ. 2021-11-14T15:46:53.13 0.6 undecidable manual P 280 34.4433 103 0.19 48
IV.RNI2.HHZ. 2021-11-14T15:46:53.18 0.3 undecidable manual S 47 17.6712 114 0.58 67
IV.POFI.HNZ. 2021-11-14T15:46:51.46 0.3 undecidable manual P 300 27.2505 106 -0.08 75
IV.VAGA.HHZ. 2021-11-14T15:46:51.22 0.1 undecidable manual P 135 28.0497 106 -0.47 91
IV.RNI2.HHZ. 2021-11-14T15:46:50.06 0.1 undecidable manual P 47 17.6712 114 0.31 96
IV.MCI.EHZ. 2021-11-14T15:46:50.24 0.6 undecidable manual P 233 19.0698 113 0.25 49
IV.MIDA.HHZ. 2021-11-14T15:46:50.32 0.1 undecidable manual P 76 22.0668 110 -0.22 97
IT.OPI.HGZ. 2021-11-14T15:46:50.90 0.3 undecidable manual P 326 24.4533 108 -0.1 75
IV.CERA.HNZ. 2021-11-14T15:46:48.21 0.3 undecidable manual S 78 1.8981 167 -0.5 71
IV.CERA.HNZ. 2021-11-14T15:46:47.24 0.1 undecidable manual P 78 1.8981 167 -0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHE. ML:1.2 0.000098322 0.3072 AML other m 2021-11-14T15:46:54.78
IV.RNI2.HHE. ML:0.0 0.000052988755 0.2304 AML other m 2021-11-14T15:46:54.04
IV.MIDA.HHN. ML:0.8 0.0000454920225 0.1792 AML other m 2021-11-14T15:46:54.14
IV.RNI2.HHN. ML:0.0 0.000109695915 0.2048 AML other m 2021-11-14T15:46:56.12
IV.VAGA.HHN. ML:1.2 0.000074621885 0.2176 AML other m 2021-11-14T15:46:59.48
IV.VVLD.HHN. ML:1.2 0.00005195 0.54 AML other m 2021-11-14T15:47:02.58
IV.VAGA.HHE. ML:1.0 0.000053865285 0.1664 AML other m 2021-11-14T15:46:57.27
IV.INTR.HHN. ML:1.2 0.000049080735 0.2432 AML other m 2021-11-14T15:47:03.17
IV.INTR.HHE. ML:1.3 0.00005349422 0.3968 AML other m 2021-11-14T15:47:04.96
IV.VVLD.HHE. ML:1.0 0.000030453244999999998 0.2944 AML other m 2021-11-14T15:47:03.78
IV.RNI2.HNE. ML:0.7 0.00004413876 0.192 AML other m 2021-11-14T15:46:54.13
IV.RNI2.HNN. ML:1.1 0.00011383365000000001 0.2048 AML other m 2021-11-14T15:46:56.21
IV.MIDA.HNE. ML:1.2 0.00010489525 0.256 AML other m 2021-11-14T15:46:55.16
IV.VAGA.HNE. ML:1.0 0.000059432125000000005 0.2304 AML other m 2021-11-14T15:46:57.16
IV.VAGA.HNN. ML:1.1 0.0000642706875 0.1664 AML other m 2021-11-14T15:46:57.62
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