Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 22-09-2020 and time 17:07:06 (Italy) in region 3 km SW Scapoli (IS)

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

  • 22-09-2020 15:07:06 (UTC)
  • 22-09-2020 17:07:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5950, 14.0470 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
Rocchetta a Volturno IS 5 1113 1793
Colli a Volturno IS 5 1349 3142
Filignano IS 6 648 3790
Montaquila IS 7 2456 6246
Castel San Vincenzo IS 7 516 6762
Fornelli IS 8 1909 8671
Pizzone IS 8 329 9000
Cerro al Volturno IS 8 1281 10281
Pozzilli IS 9 2380 12661
Acquafondata FR 10 263 12924
San Biagio Saracinisco FR 10 349 13273
Viticuso FR 10 353 13626
Macchia d'Isernia IS 11 1035 14661
Conca Casale IS 12 200 14861
Venafro IS 12 11280 26141
Vallerotonda FR 12 1581 27722
Acquaviva d'Isernia IS 12 425 28147
Monteroduni IS 13 2264 30411
Montenero Val Cocchiara IS 14 538 30949
Isernia IS 15 21842 52791
Rionero Sannitico IS 15 1118 53909
Alfedena AQ 16 864 54773
Sant'Agapito IS 16 1496 56269
Forlì del Sannio IS 16 675 56944
Picinisco FR 16 1218 58162
Sant'Elia Fiumerapido FR 16 6166 64328
Capriati a Volturno CE 16 1541 65869
Scontrone AQ 17 574 66443
San Vittore del Lazio FR 17 2636 69079
Cervaro FR 17 8109 77188
Miranda IS 18 1047 78235
Villa Latina FR 18 1241 79476
San Pietro Infine CE 18 944 80420
Settefrati FR 18 728 81148
Longano IS 18 690 81838
Ciorlano CE 19 426 82264
Barrea AQ 19 726 82990
Fontegreca CE 19 811 83801
Roccasicura IS 19 550 84351
Pettoranello del Molise IS 19 460 84811
Sesto Campano IS 19 2388 87199
Belmonte Castello FR 20 739 87938
Pesche IS 20 1661 89599

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 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)
78 Km N of Afragola (65057 inhabitants)
78 Km N of Marano di Napoli (59874 inhabitants)
79 Km N of Casoria (77642 inhabitants)
80 Km NW of Benevento (60091 inhabitants)
83 Km N of Pozzuoli (81661 inhabitants)
85 Km S of Chieti (51815 inhabitants)
86 Km N of Napoli (974074 inhabitants)
89 Km N of Portici (55274 inhabitants)
91 Km N of Ercolano (53709 inhabitants)
94 Km N of Torre del Greco (86275 inhabitants)
96 Km E of Latina (125985 inhabitants)
98 Km S of Pescara (121014 inhabitants)
98 Km NW of Avellino (54857 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.4 2020-09-22
15:07:06		 41.595 14.0472 10 2021-02-26
14:56:02		 Bollettino Sismico Italiano INGV 84418051
Reviewed
Rev100 		ML 1.5 2020-09-22
15:07:06		 41.6078 14.0597 10 2020-09-22
15:13:17		 Sala Sismica INGV-Roma 83134191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-22 15:07:06 ± 0.09
Latitude 41.5950 ± 0.0063
Longitude 14.0472 ± 0.0072
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 84418051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 710
Semi-minor axis of confidence ellipse (meter) 567
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
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) 0.46315
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 84418051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-13 10:11:32

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 83134191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-22 15:13:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HNE. 2020-09-22T15:07:22.41 0.6 undecidable manual S 346 47.7189 50 0.25 46
IV.POFI.HHZ. 2020-09-22T15:07:17.86 0.6 undecidable manual S 296 30.9468 50 0.18 48
IV.LPEL.HHE. 2020-09-22T15:07:16.53 1.0 undecidable manual P 13 51.4152 50 0.3 23
IV.PIGN.HHN. 2020-09-22T15:07:16.31 3.0 undecidable manual P 0.72 0
IT.OPI.HGE. 2020-09-22T15:07:16.42 0.6 undecidable manual S 318 26.9508 50 -0.2 48
IV.VAGA.HHZ. 2020-09-22T15:07:16.33 0.6 undecidable manual S 142 25.2525 50 0.16 49
IV.BSSO.HHE. 2020-09-22T15:07:15.98 0.3 undecidable manual P 97 45.7209 50 0.62 63
IV.MCI.EHZ. 2020-09-22T15:07:15.60 0.6 undecidable manual S 239 22.5552 114 0.19 49
IV.INTR.HNE. 2020-09-22T15:07:15.48 0.3 undecidable manual P 346 47.7189 50 -0.18 70
IV.SGG.HHZ. 2020-09-22T15:07:14.20 0.3 undecidable manual P 130 36.0417 50 0.34 70
IV.POFI.HHZ. 2020-09-22T15:07:13.02 0.1 undecidable manual P 296 30.9468 50 -0.06 99
IV.MIDA.HHZ. 2020-09-22T15:07:13.13 0.6 undecidable manual S 73 17.9709 120 -0.84 40
IV.RNI2.HHZ. 2020-09-22T15:07:13.19 0.6 undecidable manual S 36 14.874 125 0.13 50
IT.OPI.HGE. 2020-09-22T15:07:12.27 0.1 positive manual P 318 26.9508 50 -0.2 97
IV.VAGA.HHZ. 2020-09-22T15:07:11.92 0.1 positive manual P 142 25.2525 50 -0.29 96
IV.MCI.EHZ. 2020-09-22T15:07:11.16 0.3 undecidable manual P 239 22.5552 114 -0.61 66
IV.MIDA.HHZ. 2020-09-22T15:07:10.64 0.1 undecidable manual P 73 17.9709 120 -0.3 97
IV.RNI2.HHZ. 2020-09-22T15:07:10.66 0.1 positive manual P 36 14.874 125 0.24 98
IV.CERA.HHZ. 2020-09-22T15:07:10.71 0.3 undecidable manual S 277 2.3976 167 0.24 75
IV.CERA.HHZ. 2020-09-22T15:07:09.17 0.1 negative manual P 277 2.3976 167 0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.7 0.00098580675 0.2176 AML other m 2020-09-22T15:07:11.10
IV.CERA.HNN. ML:1.7 0.0008985491500000001 0.2176 AML other m 2020-09-22T15:07:11.10
IV.CERA.HNE. ML:1.4 0.0005201190499999999 0.1792 AML other m 2020-09-22T15:07:11.33
IV.CERA.HHE. ML:1.5 0.0005642318 0.1792 AML other m 2020-09-22T15:07:11.33
IV.RNI2.HHE. ML:1.2 0.00013636475 0.4992 AML other m 2020-09-22T15:07:13.64
IV.RNI2.HHN. ML:1.1 0.000127196385 0.2432 AML other m 2020-09-22T15:07:13.71
IV.RNI2.HNN. ML:1.2 0.00013883937500000002 0.2688 AML other m 2020-09-22T15:07:13.72
IV.MIDA.HHN. ML:1.4 0.00020686084999999997 0.1792 AML other m 2020-09-22T15:07:14.32
IV.MIDA.HHE. ML:1.4 0.00019422374999999997 0.2048 AML other m 2020-09-22T15:07:14.34
IV.RNI2.HNE. ML:1.4 0.00022993075 0.6528 AML other m 2020-09-22T15:07:14.32
IV.MIDA.HNE. ML:1.4 0.00021793305499999999 0.2048 AML other m 2020-09-22T15:07:14.34
IV.VAGA.HHN. ML:1.3 0.00011508094999999999 0.3968 AML other m 2020-09-22T15:07:16.83
IV.VAGA.HNN. ML:1.3 0.00010806357 0.3968 AML other m 2020-09-22T15:07:16.83
IV.MCI.EHE. ML:1.8 0.00044402845 0.2432 AML other m 2020-09-22T15:07:16.99
IV.MCI.EHN. ML:1.6 0.00025838034999999996 0.192 AML other m 2020-09-22T15:07:17.24
IV.SGG.HHN. ML:1.0 0.000041001415 1.0496 AML other m 2020-09-22T15:07:20.16
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