Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 10-09-2021 and time 02:31:59 (Italy) in region 5 km SW Scapoli (IS)

A magnitude ML 1.3 earthquake occured in region: 5 km SW Scapoli (IS), on

  • 10-09-2021 00:31:59 (UTC)
  • 10-09-2021 02:31:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5930, 14.0100 at 8 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 5 680 680
Filignano IS 7 648 1328
San Biagio Saracinisco FR 7 349 1677
Rocchetta a Volturno IS 7 1113 2790
Acquafondata FR 7 263 3053
Colli a Volturno IS 8 1349 4402
Castel San Vincenzo IS 8 516 4918
Viticuso FR 8 353 5271
Pizzone IS 9 329 5600
Vallerotonda FR 9 1581 7181
Montaquila IS 9 2456 9637
Pozzilli IS 10 2380 12017
Cerro al Volturno IS 10 1281 13298
Conca Casale IS 11 200 13498
Fornelli IS 11 1909 15407
Venafro IS 12 11280 26687
Picinisco FR 13 1218 27905
Sant'Elia Fiumerapido FR 13 6166 34071
Macchia d'Isernia IS 14 1035 35106
Montenero Val Cocchiara IS 14 538 35644
Villa Latina FR 15 1241 36885
Acquaviva d'Isernia IS 15 425 37310
Cervaro FR 15 8109 45419
San Vittore del Lazio FR 16 2636 48055
Settefrati FR 16 728 48783
Monteroduni IS 16 2264 51047
Alfedena AQ 16 864 51911
Belmonte Castello FR 17 739 52650
San Pietro Infine CE 17 944 53594
Rionero Sannitico IS 17 1118 54712
Scontrone AQ 17 574 55286
Atina FR 18 4316 59602
Capriati a Volturno CE 18 1541 61143
Isernia IS 18 21842 82985
Forlì del Sannio IS 18 675 83660
Barrea AQ 18 726 84386
Sant'Agapito IS 19 1496 85882
Cassino FR 19 36142 122024
Gallinaro FR 19 1269 123293
Terelle FR 20 422 123715
Sesto Campano IS 20 2388 126103

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 NW of Afragola (65057 inhabitants)
79 Km N of Marano di Napoli (59874 inhabitants)
80 Km N of Casoria (77642 inhabitants)
82 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)
90 Km NW of Portici (55274 inhabitants)
92 Km NW of Ercolano (53709 inhabitants)
93 Km E of Latina (125985 inhabitants)
94 Km NW of Torre del Greco (86275 inhabitants)
98 Km S of Pescara (121014 inhabitants)
98 Km SE of L'Aquila (69753 inhabitants)
100 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 1.3 2021-09-10
00:31:59		 41.5933 14.0105 8 2022-03-30
13:04:39		 Bollettino Sismico Italiano INGV 101409971
Reviewed
Rev100 		ML 1.3 2021-09-10
00:32:00		 41.5913 14.011 5 2021-09-10
00:43:31		 Sala Sismica INGV-Roma 95252151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-10 00:31:59 ± 0.11
Latitude 41.5933 ± 0.0072
Longitude 14.0105 ± 0.0084
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101409971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 689
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
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 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00719
Epicentral distance of station farthest from the epicenter (degree) 0.62413
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 101409971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-24 12:07:55

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 95252151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-10 00:43:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.HHZ. 2021-09-10T00:32:21.73 0.6 undecidable manual S 314 69.2751 50 0.6 40
IV.INTR.HHZ. 2021-09-10T00:32:15.72 0.6 undecidable manual S 349 47.2194 50 0.48 43
IV.VVLD.HHZ. 2021-09-10T00:32:13.92 0.6 undecidable manual S 314 44.3223 50 -0.55 42
IV.PTQR.HHZ. 2021-09-10T00:32:12.35 0.6 undecidable manual P 314 69.2751 50 0.38 42
IV.VAGA.HHZ. 2021-09-10T00:32:09.48 0.6 undecidable manual S 137 27.1506 106 0.24 47
IV.INTR.HHZ. 2021-09-10T00:32:08.48 0.3 undecidable manual P 349 47.2194 50 -0.08 71
IV.MIDA.HHZ. 2021-09-10T00:32:07.03 0.6 undecidable manual S 75 20.868 110 -0.16 49
IV.VVLD.HHZ. 2021-09-10T00:32:07.49 0.1 undecidable manual P 314 44.3223 50 -0.63 82
IV.MCI.EHZ. 2021-09-10T00:32:07.72 0.6 undecidable manual S 235 19.9689 111 0.85 39
IV.TST01.HHZ. 2021-09-10T00:32:07.09 0.3 undecidable manual P 61 35.6421 102 0.33 68
IV.SGG.HHN. 2021-09-10T00:32:07.07 0.3 undecidable manual P 127 38.2284 50 -0.12 71
IV.RNI2.HHZ. 2021-09-10T00:32:06.36 0.6 undecidable manual S 44 16.9719 115 0.44 46
IV.POFI.HNE. 2021-09-10T00:32:05.00 0.3 undecidable manual P 299 28.3494 105 -0.33 69
IT.OPI.HGE. 2021-09-10T00:32:04.58 0.3 undecidable manual P 324 25.1526 107 -0.15 72
IV.VAGA.HHZ. 2021-09-10T00:32:04.56 0.3 undecidable manual P 137 27.1506 106 -0.54 66
IV.MCI.EHZ. 2021-09-10T00:32:04.16 0.3 undecidable manual P 235 19.9689 111 0.42 69
IV.RNI2.HHZ. 2021-09-10T00:32:03.61 0.3 undecidable manual P 44 16.9719 115 0.43 69
IV.MIDA.HHZ. 2021-09-10T00:32:03.89 0.1 undecidable manual P 75 20.868 110 -0.03 100
IV.CERA.HHZ. 2021-09-10T00:32:01.74 0.6 undecidable manual S 53 0.7992 174 -0.42 48
IV.CERA.HHZ. 2021-09-10T00:32:00.83 0.1 undecidable manual P 53 0.7992 174 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHE. ML:1.2 0.00011717565 0.18 AML other m 2021-09-10T00:32:08.37
IV.MIDA.HHN. ML:1.2 0.000115651905 0.2 AML other m 2021-09-10T00:32:08.71
IV.MIDA.HNE. ML:1.2 0.00011816934 0.22 AML other m 2021-09-10T00:32:08.72
IV.RNI2.HHN. ML:1.3 0.00017112455 0.24 AML other m 2021-09-10T00:32:09.35
IV.MCI.EHE. ML:1.7 0.000365328 1.58 AML other m 2021-09-10T00:32:10.82
IV.MCI.EHN. ML:1.7 0.00035299999999999996 0.26 AML other m 2021-09-10T00:32:10.83
IV.VAGA.HHN. ML:1.5 0.000177 0.52 AML other m 2021-09-10T00:32:15.45
IV.VAGA.HNN. ML:1.5 0.0001851081 0.55 AML other m 2021-09-10T00:32:15.45
IV.VAGA.HNE. ML:1.2 0.00009031534999999999 0.36 AML other m 2021-09-10T00:32:15.73
IV.VVLD.HHE. ML:1.4 0.00007225000000000001 1.56 AML other m 2021-09-10T00:32:15.81
IV.VVLD.HHN. ML:1.4 0.00007195 0.3 AML other m 2021-09-10T00:32:16.31
IV.VAGA.HHE. ML:0.9 0.000043569735 0.4 AML other m 2021-09-10T00:32:17.39
IV.INTR.HNN. ML:1.7 0.00013539929 1.49 AML other m 2021-09-10T00:32:18.18
IV.INTR.HHE. ML:1.2 0.000050900000000000004 0.42 AML other m 2021-09-10T00:32:19.28
IV.INTR.HHN. ML:1.4 0.00006560000000000001 0.52 AML other m 2021-09-10T00:32:22.50
IV.PTQR.HHN. ML:0.8 0.000012280505 0.24 AML other m 2021-09-10T00:32:23.82
IV.PTQR.HHE. ML:0.8 0.000010901828500000001 0.36 AML other m 2021-09-10T00:32:26.94
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