Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 20-09-2020 and time 07:29:09 (UTC) in region 2 km SW Scapoli (IS)

A magnitude ML 1.7 earthquake occured in region: 2 km SW Scapoli (IS), on

  • 20-09-2020 07:29:09 (UTC)
  • 20-09-2020 09:29:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6040, 14.0460 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 2 680 680
Rocchetta a Volturno IS 4 1113 1793
Colli a Volturno IS 5 1349 3142
Castel San Vincenzo IS 6 516 3658
Filignano IS 7 648 4306
Pizzone IS 7 329 4635
Montaquila IS 7 2456 7091
Cerro al Volturno IS 7 1281 8372
Fornelli IS 8 1909 10281
San Biagio Saracinisco FR 10 349 10630
Pozzilli IS 10 2380 13010
Acquafondata FR 10 263 13273
Viticuso FR 11 353 13626
Macchia d'Isernia IS 11 1035 14661
Acquaviva d'Isernia IS 12 425 15086
Vallerotonda FR 12 1581 16667
Conca Casale IS 13 200 16867
Montenero Val Cocchiara IS 13 538 17405
Venafro IS 13 11280 28685
Monteroduni IS 14 2264 30949
Rionero Sannitico IS 14 1118 32067
Alfedena AQ 15 864 32931
Isernia IS 15 21842 54773
Forlì del Sannio IS 15 675 55448
Picinisco FR 16 1218 56666
Scontrone AQ 16 574 57240
Sant'Agapito IS 16 1496 58736
Sant'Elia Fiumerapido FR 17 6166 64902
Capriati a Volturno CE 17 1541 66443
Miranda IS 17 1047 67490
Villa Latina FR 17 1241 68731
Barrea AQ 18 726 69457
Settefrati FR 18 728 70185
Cervaro FR 18 8109 78294
San Vittore del Lazio FR 18 2636 80930
Roccasicura IS 19 550 81480
San Pietro Infine CE 19 944 82424
Longano IS 19 690 83114
Ciorlano CE 19 426 83540
Pettoranello del Molise IS 20 460 84000
Belmonte Castello FR 20 739 84739
Pesche IS 20 1661 86400
Civitella Alfedena AQ 20 296 86696
Fontegreca CE 20 811 87507

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)
78 Km NW of Acerra (59573 inhabitants)
79 Km N of Afragola (65057 inhabitants)
79 Km N of Marano di Napoli (59874 inhabitants)
80 Km N of Casoria (77642 inhabitants)
81 Km NW of Benevento (60091 inhabitants)
84 Km S of Chieti (51815 inhabitants)
84 Km N of Pozzuoli (81661 inhabitants)
87 Km N of Napoli (974074 inhabitants)
91 Km N of Portici (55274 inhabitants)
92 Km N of Ercolano (53709 inhabitants)
95 Km N of Torre del Greco (86275 inhabitants)
96 Km E of Latina (125985 inhabitants)
97 Km S of Pescara (121014 inhabitants)
99 Km SE of L'Aquila (69753 inhabitants)
99 Km NW of Avellino (54857 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 1.7 2020-09-20
07:29:09		 41.6045 14.0463 10 2021-02-26
14:55:56		 Bollettino Sismico Italiano INGV 83228481
Reviewed
Rev100 		ML 1.8 2020-09-20
07:29:09		 41.6033 14.0562 11 2020-09-20
07:34:04		 Sala Sismica INGV-Roma 83050221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-20 07:29:09 ± 0.07
Latitude 41.6045 ± 0.0045
Longitude 14.0463 ± 0.0048
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83228481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 483
Semi-minor axis of confidence ellipse (meter) 347
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 39
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.65561
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 83228481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-25 07:09:01

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 83050221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-20 07:34:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2020-09-20T07:29:32.05 0.3 undecidable manual S 342 72.7716 50 0.48 64
IV.LPEL.HHE. 2020-09-20T07:29:25.68 0.6 undecidable manual S 13 50.3163 50 0.11 48
IV.VVLD.HHZ. 2020-09-20T07:29:24.42 0.6 undecidable manual S 310 45.7209 50 0.08 49
IV.INTR.HHZ. 2020-09-20T07:29:24.94 0.6 undecidable manual S 346 46.62 50 0.36 46
IV.T0110.HHZ. 2020-09-20T07:29:22.28 0.3 undecidable manual P 342 72.7716 50 0.07 70
IV.SGG.HHN. 2020-09-20T07:29:22.64 0.6 undecidable manual S 131 36.741 50 0.71 42
IV.POFI.HHZ. 2020-09-20T07:29:19.98 0.3 undecidable manual S 294 30.4473 50 -0.27 72
IV.VAGA.HHZ. 2020-09-20T07:29:18.85 0.3 undecidable manual S 143 26.1516 50 -0.26 73
IV.LPEL.HHE. 2020-09-20T07:29:18.59 0.6 undecidable manual P 13 50.3163 50 -0.16 48
IV.MCI.EHZ. 2020-09-20T07:29:18.10 0.6 undecidable manual S 237 23.0547 113 -0.06 51
IV.PIGN.HNE. 2020-09-20T07:29:18.34 1.0 undecidable manual P 166 46.2204 50 0.23 24
IT.OPI.HGN. 2020-09-20T07:29:18.85 0.1 undecidable manual S 317 26.1516 50 -0.26 97
IV.VVLD.HHZ. 2020-09-20T07:29:17.88 0.3 undecidable manual P 310 45.7209 50 -0.16 72
IV.INTR.HHZ. 2020-09-20T07:29:17.94 0.6 positive manual P 346 46.62 50 -0.24 47
IV.SGG.HHN. 2020-09-20T07:29:16.89 0.3 undecidable manual P 131 36.741 50 0.24 72
IV.LRP.EHN. 2020-09-20T07:29:16.91 0.6 undecidable manual P 277 38.4282 50 0 50
IV.MIDA.HHZ. 2020-09-20T07:29:16.00 0.3 undecidable manual S 76 17.6712 119 -0.49 71
IV.POFI.HHZ. 2020-09-20T07:29:15.90 0.6 undecidable manual P 294 30.4473 50 0.23 49
IV.RNI2.HHZ. 2020-09-20T07:29:15.33 0.6 undecidable manual S 39 14.0748 125 -0.08 52
IT.OPI.HGN. 2020-09-20T07:29:14.79 0.1 undecidable manual P 317 26.1516 50 -0.23 98
IV.VAGA.HHZ. 2020-09-20T07:29:14.57 1.0 positive manual P 143 26.1516 50 -0.45 23
IV.MCI.EHZ. 2020-09-20T07:29:14.61 1.0 negative manual P 237 23.0547 113 0.14 25
IV.RNI2.HHZ. 2020-09-20T07:29:13.28 0.1 positive manual P 39 14.0748 125 0.4 97
IV.MIDA.HHZ. 2020-09-20T07:29:13.30 0.1 undecidable manual P 76 17.6712 119 -0.2 100
IV.CERA.HHZ. 2020-09-20T07:29:13.21 0.6 undecidable manual S 252 2.3976 166 0.22 51
IV.CERA.HHZ. 2020-09-20T07:29:11.73 0.6 undecidable manual P 252 2.3976 166 0.24 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HNN. ML:1.8 0.00124718555 0.2368 AML other m 2020-09-20T07:29:13.70
IV.CERA.HHE. ML:1.6 0.00082203845 0.3648 AML other m 2020-09-20T07:29:14.14
IV.CERA.HNE. ML:1.6 0.0007711576500000001 0.3392 AML other m 2020-09-20T07:29:14.14
IV.CERA.HHN. ML:1.8 0.0013142137499999999 0.2368 AML other m 2020-09-20T07:29:13.70
IV.RNI2.HHN. ML:1.7 0.0004974635 0.2048 AML other m 2020-09-20T07:29:17.50
IV.RNI2.HNN. ML:1.7 0.0004598139 0.224 AML other m 2020-09-20T07:29:17.40
IV.MIDA.HNE. ML:1.9 0.00070119415 0.16 AML other m 2020-09-20T07:29:16.96
IV.MIDA.HHN. ML:1.9 0.000638284 0.1792 AML other m 2020-09-20T07:29:17.30
IV.MIDA.HNN. ML:1.8 0.0005284633999999999 0.2816 AML other m 2020-09-20T07:29:17.10
IV.MIDA.HHE. ML:1.9 0.00065367855 0.1984 AML other m 2020-09-20T07:29:16.86
IV.VAGA.HNE. ML:1.6 0.00025150810000000004 0.2432 AML other m 2020-09-20T07:29:20.00
IV.VAGA.HNN. ML:1.8 0.00034271065 0.2624 AML other m 2020-09-20T07:29:20.90
IV.VAGA.HHN. ML:1.8 0.00036763475 0.2432 AML other m 2020-09-20T07:29:20.89
IV.VAGA.HHE. ML:1.7 0.00027263195 0.2432 AML other m 2020-09-20T07:29:20.00
IV.MCI.EHN. ML:1.8 0.0004307149 0.224 AML other m 2020-09-20T07:29:19.76
IV.MCI.EHE. ML:2.0 0.0006522752000000001 0.2624 AML other m 2020-09-20T07:29:19.65
IV.POFI.HHE. ML:1.0 0.000046259345 0.32 AML other m 2020-09-20T07:29:24.02
IV.POFI.HHN. ML:0.9 0.00003626493 0.4352 AML other m 2020-09-20T07:29:22.61
IV.VVLD.HNE. ML:1.6 0.00011102615500000001 0.4352 AML other m 2020-09-20T07:29:26.07
IV.VVLD.HHN. ML:1.6 0.00010430910500000001 0.2368 AML other m 2020-09-20T07:29:24.85
IV.VVLD.HHE. ML:1.5 0.00009091057499999999 0.4224 AML other m 2020-09-20T07:29:26.20
IV.INTR.HHN. ML:1.7 0.000154730595 0.1984 AML other m 2020-09-20T07:29:26.13
IV.INTR.HHE. ML:1.7 0.00012884044999999998 0.1984 AML other m 2020-09-20T07:29:26.79
IV.INTR.HNN. ML:1.8 0.0001618705 0.5568 AML other m 2020-09-20T07:29:24.99
IV.T0110.HHE. ML:1.7 0.00008489306499999999 0.256 AML other m 2020-09-20T07:29:35.02
IV.T0110.HHN. ML:1.8 0.00010270880000000001 0.3648 AML other m 2020-09-20T07:29:34.53
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