Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 12-12-2020 and time 04:33:04 (Italy) in region 1 km SE Scapoli (IS)

A magnitude ML 1.0 earthquake occured in region: 1 km SE Scapoli (IS), on

  • 12-12-2020 03:33:04 (UTC)
  • 12-12-2020 04:33:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6090, 14.0680 at 10 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 1 680 680
Rocchetta a Volturno IS 2 1113 1793
Colli a Volturno IS 3 1349 3142
Castel San Vincenzo IS 5 516 3658
Cerro al Volturno IS 6 1281 4939
Fornelli IS 6 1909 6848
Montaquila IS 6 2456 9304
Pizzone IS 7 329 9633
Filignano IS 7 648 10281
Macchia d'Isernia IS 10 1035 11316
Acquaviva d'Isernia IS 10 425 11741
Pozzilli IS 11 2380 14121
San Biagio Saracinisco FR 12 349 14470
Montenero Val Cocchiara IS 12 538 15008
Acquafondata FR 12 263 15271
Viticuso FR 12 353 15624
Rionero Sannitico IS 13 1118 16742
Monteroduni IS 13 2264 19006
Isernia IS 13 21842 40848
Conca Casale IS 14 200 41048
Forlì del Sannio IS 14 675 41723
Venafro IS 14 11280 53003
Vallerotonda FR 14 1581 54584
Alfedena AQ 14 864 55448
Sant'Agapito IS 15 1496 56944
Miranda IS 15 1047 57991
Scontrone AQ 16 574 58565
Capriati a Volturno CE 17 1541 60106
Roccasicura IS 17 550 60656
Picinisco FR 17 1218 61874
Longano IS 18 690 62564
Barrea AQ 18 726 63290
Pesche IS 18 1661 64951
Pettoranello del Molise IS 18 460 65411
Sant'Elia Fiumerapido FR 18 6166 71577
Villa Latina FR 19 1241 72818
Ciorlano CE 19 426 73244
Settefrati FR 19 728 73972
San Vittore del Lazio FR 19 2636 76608
Fontegreca CE 19 811 77419
Cervaro FR 20 8109 85528
Castel di Sangro AQ 20 6538 92066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km NW of Caserta (76326 inhabitants)
72 Km N of Aversa (53047 inhabitants)
76 Km N of Giugliano in Campania (122974 inhabitants)
78 Km NW of Acerra (59573 inhabitants)
79 Km N of Afragola (65057 inhabitants)
80 Km N of Marano di Napoli (59874 inhabitants)
80 Km NW of Benevento (60091 inhabitants)
80 Km N of Casoria (77642 inhabitants)
83 Km S of Chieti (51815 inhabitants)
85 Km N of Pozzuoli (81661 inhabitants)
87 Km N of Napoli (974074 inhabitants)
90 Km N of Portici (55274 inhabitants)
92 Km N of Ercolano (53709 inhabitants)
95 Km N of Torre del Greco (86275 inhabitants)
96 Km S of Pescara (121014 inhabitants)
98 Km E of Latina (125985 inhabitants)
98 Km NW of Avellino (54857 inhabitants)
99 Km SE of L'Aquila (69753 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 1.0 2020-12-12
03:33:04		 41.609 14.0682 10 2020-12-12
03:41:02		 Sala Sismica INGV-Roma 85367151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-12 03:33:04 ± 0.1
Latitude 41.6090 ± 0.0081
Longitude 14.0682 ± 0.0084
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85367151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 848
Semi-minor axis of confidence ellipse (meter) 634
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 163
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41998
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 85367151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-12 03:41:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHN. 2020-12-12T03:33:20.42 0.3 undecidable manual S 343 46.62 50 0.6 61
IV.MCI.EHZ. 2020-12-12T03:33:14.16 0.3 undecidable manual S 238 24.8529 50 0.15 71
IT.OPI.HGN. 2020-12-12T03:33:14.08 0.6 undecidable manual S 313 27.0507 50 -0.52 43
IV.CSP1.EHZ. 2020-12-12T03:33:13.21 3.0 negative manual P -0.39 0
IV.INTR.HHN. 2020-12-12T03:33:13.25 0.1 undecidable manual P 343 46.62 50 -0.19 90
IV.TERO.HHZ. 2020-12-12T03:33:13.78 3.0 undecidable manual S -0.03 0
IV.MC2.EHZ. 2020-12-12T03:33:12.29 3.0 undecidable manual P 0.99 0
IV.SGG.HNE. 2020-12-12T03:33:12.17 0.3 undecidable manual P 134 35.742 50 0.42 65
IV.MIDA.HHZ. 2020-12-12T03:33:11.13 0.1 undecidable manual S 77 15.873 123 -0.11 96
IV.SMA1.EHZ. 2020-12-12T03:33:11.97 3.0 undecidable manual S -3.12 0
IV.NRCA.HHZ. 2020-12-12T03:33:10.76 3.0 negative manual P 0.15 0
IV.MCI.EHZ. 2020-12-12T03:33:10.05 0.3 undecidable manual P 238 24.8529 50 -0.03 72
IV.MMO1.EHZ. 2020-12-12T03:33:10.29 3.0 undecidable manual P -0.44 0
IT.OPI.HGN. 2020-12-12T03:33:10.11 0.6 undecidable manual P 313 27.0507 50 -0.31 45
IV.VAGA.HHZ. 2020-12-12T03:33:09.76 0.3 undecidable manual P 147 25.5522 50 -0.42 66
IV.CERA.HHZ. 2020-12-12T03:33:08.56 0.1 undecidable manual S 253 4.2957 157 0.01 100
IV.MIDA.HHZ. 2020-12-12T03:33:08.57 0.1 undecidable manual P 77 15.873 123 0.09 97
IV.CERA.HHZ. 2020-12-12T03:33:07.02 0.1 undecidable manual P 253 4.2957 157 0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHE. ML:1.0 0.00017573644999999998 0.32 AML other m 2020-12-12T03:33:13.82
IV.CERA.HHN. ML:1.1 0.000214723 0.2208 AML other m 2020-12-12T03:33:10.67
IV.CERA.HNE. ML:1.0 0.0001728868 0.32 AML other m 2020-12-12T03:33:13.50
IV.CERA.HNN. ML:1.1 0.00021351660500000002 0.2 AML other m 2020-12-12T03:33:09.02
IV.MIDA.HHE. ML:0.9 0.00006846151 0.08 AML other m 2020-12-12T03:33:12.08
IV.MIDA.HHN. ML:1.0 0.0000818333 0.0992 AML other m 2020-12-12T03:33:12.40
IV.MIDA.HNE. ML:1.0 0.000079430577 0.0992 AML other m 2020-12-12T03:33:12.40
IV.MIDA.HNN. ML:1.0 0.00009097668 2.16 AML other m 2020-12-12T03:33:11.42
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