Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 22-12-2020 and time 04:02:22 (Italy) in region 3 km S Scapoli (IS)

A magnitude ML 1.4 earthquake occured in region: 3 km S Scapoli (IS), on

  • 22-12-2020 03:02:22 (UTC)
  • 22-12-2020 04:02:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5930, 14.0570 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.

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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 3 680 680
Colli a Volturno IS 4 1349 2029
Rocchetta a Volturno IS 4 1113 3142
Filignano IS 5 648 3790
Montaquila IS 6 2456 6246
Castel San Vincenzo IS 7 516 6762
Fornelli IS 7 1909 8671
Cerro al Volturno IS 8 1281 9952
Pizzone IS 9 329 10281
Pozzilli IS 9 2380 12661
Macchia d'Isernia IS 10 1035 13696
Acquafondata FR 10 263 13959
Viticuso FR 10 353 14312
San Biagio Saracinisco FR 11 349 14661
Conca Casale IS 12 200 14861
Acquaviva d'Isernia IS 12 425 15286
Venafro IS 12 11280 26566
Monteroduni IS 13 2264 28830
Vallerotonda FR 13 1581 30411
Montenero Val Cocchiara IS 14 538 30949
Isernia IS 14 21842 52791
Sant'Agapito IS 15 1496 54287
Rionero Sannitico IS 15 1118 55405
Forlì del Sannio IS 16 675 56080
Capriati a Volturno CE 16 1541 57621
Alfedena AQ 16 864 58485
Miranda IS 17 1047 59532
Picinisco FR 17 1218 60750
Sant'Elia Fiumerapido FR 17 6166 66916
Scontrone AQ 17 574 67490
San Vittore del Lazio FR 17 2636 70126
Cervaro FR 18 8109 78235
Longano IS 18 690 78925
Ciorlano CE 18 426 79351
San Pietro Infine CE 18 944 80295
Villa Latina FR 18 1241 81536
Fontegreca CE 19 811 82347
Pettoranello del Molise IS 19 460 82807
Roccasicura IS 19 550 83357
Pesche IS 19 1661 85018
Sesto Campano IS 19 2388 87406
Barrea AQ 19 726 88132
Settefrati FR 19 728 88860
Gallo Matese CE 20 579 89439

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km NW of Caserta (76326 inhabitants)
70 Km N of Aversa (53047 inhabitants)
75 Km N of Giugliano in Campania (122974 inhabitants)
77 Km NW of Acerra (59573 inhabitants)
77 Km N of Afragola (65057 inhabitants)
78 Km N of Marano di Napoli (59874 inhabitants)
79 Km N of Casoria (77642 inhabitants)
79 Km NW of Benevento (60091 inhabitants)
83 Km N of Pozzuoli (81661 inhabitants)
85 Km S of Chieti (51815 inhabitants)
85 Km N of Napoli (974074 inhabitants)
89 Km N of Portici (55274 inhabitants)
90 Km N of Ercolano (53709 inhabitants)
93 Km N of Torre del Greco (86275 inhabitants)
97 Km E of Latina (125985 inhabitants)
98 Km NW of Avellino (54857 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 1.4 2020-12-22
03:02:22		 41.5932 14.0568 10 2021-02-26
14:56:17		 Bollettino Sismico Italiano INGV 86657711
Reviewed
Rev100 		ML 1.5 2020-12-22
03:02:22		 41.5943 14.0672 9 2020-12-22
03:06:48		 Sala Sismica INGV-Roma 85618601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-22 03:02:22 ± 0.08
Latitude 41.5932 ± 0.0054
Longitude 14.0568 ± 0.0060
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 86657711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 597
Semi-minor axis of confidence ellipse (meter) 516
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 158
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
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 33
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.81029
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 86657711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 17:24:50

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 85618601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-22 03:06:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2020-12-22T03:02:45.20 0.6 undecidable manual S 342 74.2701 50 0.01 46
IT.SULP.HGN. 2020-12-22T03:02:40.85 0.6 undecidable manual S 349 55.5999 50 0.64 41
IV.LPEL.HHZ. 2020-12-22T03:02:39.50 0.6 undecidable manual S 12 51.4152 50 0.42 44
IV.MELA.HHZ. 2020-12-22T03:02:39.38 3.0 undecidable manual P 82 89.9433 0
IV.INTR.HHZ. 2020-12-22T03:02:38.40 0.6 undecidable manual S 345 48.1185 50 0.2 46
IV.VVLD.HHZ. 2020-12-22T03:02:37.70 0.6 undecidable manual S 311 47.2194 50 -0.27 46
IV.SACR.HHZ. 2020-12-22T03:02:36.47 3.0 undecidable manual P 112 58.6968 0
IV.T0110.HHZ. 2020-12-22T03:02:35.42 0.3 undecidable manual P 342 74.2701 50 -0.23 66
IV.LRP.EHN. 2020-12-22T03:02:35.80 0.6 undecidable manual S 279 39.4272 50 -0.1 48
IV.GIUL.HHZ. 2020-12-22T03:02:35.06 0.3 undecidable manual P 267 66.6777 50 0.58 61
IV.POFI.HHZ. 2020-12-22T03:02:34.20 0.3 undecidable manual S 296 31.746 50 0.36 69
IV.LIK.EHZ.01 2020-12-22T03:02:32.83 3.0 undecidable manual P 255 42.3243 0
IT.OPI.HGE. 2020-12-22T03:02:32.30 0.6 undecidable manual S 317 27.6501 50 -0.45 46
IV.LPEL.HHZ. 2020-12-22T03:02:32.28 0.3 undecidable manual P 12 51.4152 50 0.16 70
IT.SULP.HGN. 2020-12-22T03:02:32.04 0.6 undecidable manual P 349 55.5999 50 -0.73 39
IV.BSSO.HHE. 2020-12-22T03:02:31.51 0.3 undecidable manual P 97 44.8218 50 0.39 67
IV.TRIV.HHZ. 2020-12-22T03:02:31.53 0.1 undecidable manual P 65 45.2214 50 0.37 90
IV.VAGA.HHZ. 2020-12-22T03:02:31.80 0.6 undecidable manual S 143 24.6531 112 0 50
IV.INTR.HHZ. 2020-12-22T03:02:31.16 0.1 undecidable manual P 345 48.1185 50 -0.45 88
IV.VVLD.HHZ. 2020-12-22T03:02:31.10 0.1 undecidable manual P 311 47.2194 50 -0.38 89
IV.MCI.EHZ. 2020-12-22T03:02:31.80 0.6 undecidable manual S 241 23.1546 113 0.46 46
IV.LRP.EHN. 2020-12-22T03:02:30.14 0.1 undecidable manual P 279 39.4272 50 -0.14 95
IV.SGG.HHN. 2020-12-22T03:02:29.78 0.3 undecidable manual P 130 35.2425 50 0.15 72
IV.RNI2.HHZ. 2020-12-22T03:02:29.35 0.3 undecidable manual S 33 14.5743 124 0.67 65
IV.POFI.HHZ. 2020-12-22T03:02:28.80 0.1 undecidable manual P 296 31.746 50 -0.29 94
IT.OPI.HGE. 2020-12-22T03:02:28.21 0.3 undecidable manual P 317 27.6501 50 -0.25 71
IV.MIDA.HHZ. 2020-12-22T03:02:28.80 0.3 undecidable manual S 72 17.1717 119 -0.67 64
IV.VAGA.HHZ. 2020-12-22T03:02:27.58 0.1 undecidable manual P 143 24.6531 112 -0.33 94
IV.MCI.EHZ. 2020-12-22T03:02:27.92 0.1 undecidable manual P 241 23.1546 113 0.27 96
IV.RNI2.HHZ. 2020-12-22T03:02:26.36 0.1 undecidable manual P 33 14.5743 124 0.24 98
IV.MIDA.HHZ. 2020-12-22T03:02:26.34 0.1 undecidable manual P 72 17.1717 119 -0.23 97
IV.CERA.HNN. 2020-12-22T03:02:25.91 0.3 undecidable manual S 279 3.1968 162 -0.26 74
IV.CERA.HNN. 2020-12-22T03:02:24.88 0.1 undecidable manual P 279 3.1968 162 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHN. ML:1.5 0.000319 0.24 AML other m 2020-12-22T03:02:30.54
IV.RNI2.HNE. ML:1.6 0.000405537 0.2 AML other m 2020-12-22T03:02:29.92
IV.RNI2.HHE. ML:1.6 0.00042898540000000003 0.2 AML other m 2020-12-22T03:02:29.92
IV.RNI2.HHN. ML:1.6 0.0004295 0.64 AML other m 2020-12-22T03:02:31.40
IV.RNI2.HNN. ML:1.6 0.000407 0.64 AML other m 2020-12-22T03:02:31.40
IV.MIDA.HHE. ML:1.4 0.00019 0.16 AML other m 2020-12-22T03:02:31.85
IV.MCI.EHE. ML:1.9 0.000488 1.7 AML other m 2020-12-22T03:02:33.94
IV.VAGA.HNN. ML:1.5 0.0001868501 0.24 AML other m 2020-12-22T03:02:32.76
IV.VAGA.HHN. ML:1.5 0.0001906157 0.2608 AML other m 2020-12-22T03:02:32.76
IV.MCI.EHN. ML:1.6 0.00028608345 0.2 AML other m 2020-12-22T03:02:33.55
IV.VAGA.HNE. ML:1.5 0.000176 0.24 AML other m 2020-12-22T03:02:33.84
IV.VAGA.HHE. ML:1.5 0.0001825 0.24 AML other m 2020-12-22T03:02:33.96
IV.POFI.HHN. ML:0.7 0.00002639942 0.2592 AML other m 2020-12-22T03:02:37.37
IV.POFI.HHE. ML:0.8 0.00003225 0.5 AML other m 2020-12-22T03:02:36.73
IV.INTR.HHE. ML:1.4 0.00006635937 0.1792 AML other m 2020-12-22T03:02:39.98
IV.VVLD.HHE. ML:1.0 0.00003105 0.7 AML other m 2020-12-22T03:02:39.60
IV.INTR.HHN. ML:1.3 0.00005980953 0.12 AML other m 2020-12-22T03:02:39.51
IV.LPEL.HHN. ML:1.2 0.0000519 1.22 AML other m 2020-12-22T03:02:40.38
IV.LPEL.HHE. ML:1.3 0.000049554945000000005 0.12 AML other m 2020-12-22T03:02:41.67
IV.VVLD.HHN. ML:1.1 0.000033980539999999994 0.28 AML other m 2020-12-22T03:02:38.22
IV.T0110.HHN. ML:1.5 0.000048803925 0.24 AML other m 2020-12-22T03:02:47.70
IV.T0110.HHE. ML:1.5 0.00004555 0.44 AML other m 2020-12-22T03:02:47.09
IV.MIDA.HNE. ML:1.5 0.00025519199999999995 0.1792 AML other m 2020-12-22T03:02:30.55
IV.MIDA.HNN. ML:1.3 0.00017833284999999998 0.16 AML other m 2020-12-22T03:02:31.85
IV.INTR.HNE. ML:1.6 0.00011842255000000001 0.3296 AML other m 2020-12-22T03:02:40.42
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