Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 23-09-2020 and time 00:08:44 (UTC) in region 2 km S Scapoli (IS)

A magnitude ML 1.5 earthquake occured in region: 2 km S Scapoli (IS), on

  • 23-09-2020 00:08:44 (UTC)
  • 23-09-2020 02:08:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5950, 14.0570 at 11 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
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 8 329 10281
Pozzilli IS 9 2380 12661
Macchia d'Isernia IS 10 1035 13696
Acquafondata FR 10 263 13959
Viticuso FR 11 353 14312
San Biagio Saracinisco FR 11 349 14661
Acquaviva d'Isernia IS 12 425 15086
Conca Casale IS 12 200 15286
Venafro IS 12 11280 26566
Monteroduni IS 13 2264 28830
Vallerotonda FR 13 1581 30411
Montenero Val Cocchiara IS 13 538 30949
Isernia IS 14 21842 52791
Rionero Sannitico IS 15 1118 53909
Sant'Agapito IS 15 1496 55405
Forlì del Sannio IS 15 675 56080
Alfedena AQ 16 864 56944
Capriati a Volturno CE 16 1541 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 18 2636 70126
Longano IS 18 690 70816
Cervaro FR 18 8109 78925
Ciorlano CE 18 426 79351
Villa Latina FR 18 1241 80592
San Pietro Infine CE 18 944 81536
Pettoranello del Molise IS 19 460 81996
Fontegreca CE 19 811 82807
Roccasicura IS 19 550 83357
Pesche IS 19 1661 85018
Barrea AQ 19 726 85744
Settefrati FR 19 728 86472
Sesto Campano IS 19 2388 88860

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)
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)
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 1.5 2020-09-23
00:08:44		 41.595 14.057 11 2021-02-26
14:56:12		 Bollettino Sismico Italiano INGV 85802091
Reviewed
Rev100 		ML 1.5 2020-09-23
00:08:44		 41.5942 14.0615 10 2020-09-23
00:14:30		 Sala Sismica INGV-Roma 83145271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-23 00:08:44 ± 0.07
Latitude 41.5950 ± 0.0045
Longitude 14.0570 ± 0.0060
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85802091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 458
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) 460.0
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 38
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 6.06233
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 85802091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 17:57:17

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 83145271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-23 00:14:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2020-09-23T00:10:19.38 3.0 undecidable manual P 672.9153 4.67 0
IV.RESU.HHZ. 2020-09-23T00:09:58.34 3.0 positive manual P 437.9283 1.287 0
IV.CPGN.EHZ. 2020-09-23T00:09:55.94 3.0 undecidable manual Sn -1.01 0
IV.CET2.HHZ. 2020-09-23T00:09:54.19 3.0 undecidable manual Sn -3.56 0
AC.VLO.HHZ. 2020-09-23T00:09:53.43 3.0 undecidable manual P 471.8721 3.74 0
IV.BDI.HHZ. 2020-09-23T00:09:38.08 3.0 undecidable manual P 392.7069 -1.75 0
IV.CMPR.HHZ. 2020-09-23T00:09:35.07 3.0 undecidable manual S 0.12 0
IV.NRCA.HNZ. 2020-09-23T00:09:11.77 3.0 undecidable manual P 157.7199 1.72 0
IV.FAGN.HHZ. 2020-09-23T00:09:09.50 1.0 undecidable manual S 332 84.0492 50 0.24 21
IV.T0110.HHZ. 2020-09-23T00:09:07.10 0.6 undecidable manual S 342 74.0703 50 0.5 40
IT.SULA.HNN. 2020-09-23T00:09:01.58 1.0 undecidable manual P 54.3012 7.46 0
IV.LPEL.HHZ. 2020-09-23T00:09:00.50 1.0 undecidable manual S 12 51.2154 50 0.01 23
IV.INTR.HHZ. 2020-09-23T00:08:59.80 0.3 undecidable manual S 345 47.9187 50 0.19 67
IV.VVLD.HHZ. 2020-09-23T00:08:59.30 0.3 undecidable manual S 310 47.1195 50 -0.1 68
IV.FAGN.HHZ. 2020-09-23T00:08:58.76 1.0 undecidable manual P 332 84.0492 50 0.06 21
IV.LRP.EHN. 2020-09-23T00:08:57.80 0.3 undecidable manual S 279 39.4272 50 0.45 64
IV.SULP.HGZ. 2020-09-23T00:08:57.13 3.0 undecidable manual P 0
IV.T0110.HHZ. 2020-09-23T00:08:56.90 0.6 undecidable manual P 342 74.0703 50 -0.27 42
IV.POFI.HHZ. 2020-09-23T00:08:55.50 0.3 undecidable manual S 296 31.6461 50 0.22 69
IV.BSSO.HHE. 2020-09-23T00:08:54.24 3.0 undecidable manual P 44.9217 1.58 0
IT.OPI.HGE. 2020-09-23T00:08:53.80 0.3 undecidable manual S 317 27.5502 50 -0.37 67
IV.LPEL.HHZ. 2020-09-23T00:08:53.69 1.0 undecidable manual P 12 51.2154 50 0.05 23
IV.MCI.EHZ. 2020-09-23T00:08:53.00 0.6 undecidable manual S 240 23.3544 50 -0.05 48
IV.VAGA.HHZ. 2020-09-23T00:08:53.80 1.0 undecidable manual S 143 24.753 50 0.36 22
IV.VVLD.HHZ. 2020-09-23T00:08:52.63 0.1 undecidable manual P 310 47.1195 50 -0.37 86
IV.INTR.HHZ. 2020-09-23T00:08:52.84 0.3 undecidable manual P 345 47.9187 50 -0.29 66
IV.LRP.EHN. 2020-09-23T00:08:51.96 0.6 undecidable manual P 279 39.4272 50 0.14 46
IV.SGG.HHZ. 2020-09-23T00:08:51.66 0.3 undecidable manual P 131 35.3424 50 0.46 65
IV.POFI.HHZ. 2020-09-23T00:08:50.59 0.3 undecidable manual P 296 31.6461 50 -0.04 71
IV.RNI2.HHZ. 2020-09-23T00:08:50.70 0.3 undecidable manual S 33 14.3745 126 0.22 71
IV.MIDA.HHZ. 2020-09-23T00:08:50.90 0.6 undecidable manual S 72 17.1717 122 -0.37 45
IV.VAGA.HHZ. 2020-09-23T00:08:49.37 0.1 undecidable manual P 143 24.753 50 -0.19 93
IT.OPI.HGE. 2020-09-23T00:08:49.69 0.3 undecidable manual P 317 27.5502 50 -0.3 68
IV.CERA.HHZ. 2020-09-23T00:08:48.10 0.1 undecidable manual S 275 3.1968 163 -0.02 100
IV.MIDA.HHZ. 2020-09-23T00:08:48.11 0.3 undecidable manual P 72 17.1717 122 -0.2 71
IV.MCI.EHZ. 2020-09-23T00:08:48.94 1.0 undecidable manual P 240 23.3544 50 -0.4 22
IV.RNI2.HHZ. 2020-09-23T00:08:48.11 0.1 positive manual P 33 14.3745 126 0.26 94
IV.CERA.HHZ. 2020-09-23T00:08:46.61 0.1 negative manual P 275 3.1968 163 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:1.8 0.0010195 0.78 AML other m 2020-09-23T00:08:48.55
IV.CERA.HNN. ML:1.7 0.000933 0.78 AML other m 2020-09-23T00:08:48.55
IV.CERA.HNE. ML:1.5 0.0005574999999999999 1.56 AML other m 2020-09-23T00:08:49.79
IV.CERA.HHE. ML:1.6 0.0006005 1.54 AML other m 2020-09-23T00:08:49.78
IV.MIDA.HNN. ML:1.5 0.000273 0.72 AML other m 2020-09-23T00:08:49.05
IV.MIDA.HNE. ML:1.4 0.00020700000000000002 0.58 AML other m 2020-09-23T00:08:51.77
IV.MIDA.HHE. ML:1.4 0.0001865 0.32 AML other m 2020-09-23T00:08:51.93
IV.MIDA.HHN. ML:1.4 0.0001995 0.58 AML other m 2020-09-23T00:08:52.77
IV.RNI2.HHN. ML:1.5 0.000316 0.98 AML other m 2020-09-23T00:08:53.24
IV.RNI2.HHE. ML:1.5 0.000294 0.46 AML other m 2020-09-23T00:08:53.25
IV.MCI.EHE. ML:1.8 0.0004425 0.24 AML other m 2020-09-23T00:08:54.43
IV.MCI.EHN. ML:1.6 0.000254 0.2 AML other m 2020-09-23T00:08:54.67
IV.VAGA.HHE. ML:1.4 0.0001342 0.26 AML other m 2020-09-23T00:08:55.83
IV.VAGA.HNE. ML:1.3 0.000129 0.26 AML other m 2020-09-23T00:08:55.83
IV.POFI.HHE. ML:1.1 0.0000526 1.72 AML other m 2020-09-23T00:08:56.02
IV.POFI.HHN. ML:1.0 0.00003845 1.38 AML other m 2020-09-23T00:08:58.02
IV.VAGA.HNN. ML:1.5 0.000175 1.02 AML other m 2020-09-23T00:08:58.68
IV.VAGA.HHN. ML:1.5 0.00019350000000000001 1.02 AML other m 2020-09-23T00:08:58.68
IV.VVLD.HHN. ML:1.6 0.00010300000000000001 0.22 AML other m 2020-09-23T00:08:59.75
IV.VVLD.HHE. ML:1.5 0.00008549999999999999 1.6 AML other m 2020-09-23T00:08:59.02
IV.INTR.HHN. ML:1.8 0.0001595 0.62 AML other m 2020-09-23T00:09:01.03
IV.SGG.HHE. ML:1.2 0.00005855 1.36 AML other m 2020-09-23T00:09:01.74
IV.INTR.HHE. ML:1.6 0.000105 0.88 AML other m 2020-09-23T00:09:01.55
IV.LPEL.HHN. ML:1.5 0.0000747 0.62 AML other m 2020-09-23T00:09:01.89
IV.LPEL.HHE. ML:1.4 0.00007015 0.42 AML other m 2020-09-23T00:09:02.13
IV.SGG.HHN. ML:1.1 0.000050950000000000005 0.36 AML other m 2020-09-23T00:09:02.63
IV.T0110.HHN. ML:1.8 0.00008929999999999999 1.16 AML other m 2020-09-23T00:09:09.41
IV.T0110.HHE. ML:1.6 0.00006405 1.16 AML other m 2020-09-23T00:09:10.65
IV.FAGN.HHN. ML:1.7 0.00006315 0.58 AML other m 2020-09-23T00:09:11.86
IV.FAGN.HHE. ML:1.8 0.00008 1.1 AML other m 2020-09-23T00:09:12.11
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