Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-09-2020 and time 23:57:43 (Italy) in region 1 km S Scapoli (IS)

A magnitude ML 1.6 earthquake occured in region: 1 km S Scapoli (IS), on

  • 26-09-2020 21:57:43 (UTC)
  • 26-09-2020 23:57:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6030, 14.0600 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 1 680 680
Rocchetta a Volturno IS 3 1113 1793
Colli a Volturno IS 4 1349 3142
Castel San Vincenzo IS 6 516 3658
Montaquila IS 6 2456 6114
Filignano IS 6 648 6762
Fornelli IS 7 1909 8671
Cerro al Volturno IS 7 1281 9952
Pizzone IS 7 329 10281
Macchia d'Isernia IS 10 1035 11316
Pozzilli IS 10 2380 13696
Acquaviva d'Isernia IS 11 425 14121
Acquafondata FR 11 263 14384
San Biagio Saracinisco FR 11 349 14733
Viticuso FR 11 353 15086
Montenero Val Cocchiara IS 13 538 15624
Conca Casale IS 13 200 15824
Venafro IS 13 11280 27104
Monteroduni IS 13 2264 29368
Vallerotonda FR 13 1581 30949
Rionero Sannitico IS 14 1118 32067
Isernia IS 14 21842 53909
Forlì del Sannio IS 15 675 54584
Alfedena AQ 15 864 55448
Sant'Agapito IS 15 1496 56944
Scontrone AQ 16 574 57518
Miranda IS 16 1047 58565
Capriati a Volturno CE 17 1541 60106
Picinisco FR 17 1218 61324
Sant'Elia Fiumerapido FR 18 6166 67490
Roccasicura IS 18 550 68040
Longano IS 18 690 68730
Barrea AQ 18 726 69456
Pettoranello del Molise IS 18 460 69916
San Vittore del Lazio FR 19 2636 72552
Villa Latina FR 19 1241 73793
Cervaro FR 19 8109 81902
Pesche IS 19 1661 83563
Ciorlano CE 19 426 83989
Settefrati FR 19 728 84717
Fontegreca CE 19 811 85528
San Pietro Infine CE 19 944 86472

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 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)
80 Km NW of Benevento (60091 inhabitants)
84 Km S of Chieti (51815 inhabitants)
84 Km N of Pozzuoli (81661 inhabitants)
86 Km N of Napoli (974074 inhabitants)
90 Km N of Portici (55274 inhabitants)
91 Km N of Ercolano (53709 inhabitants)
94 Km N of Torre del Greco (86275 inhabitants)
97 Km S of Pescara (121014 inhabitants)
97 Km E of Latina (125985 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 1.6 2020-09-26
21:57:43		 41.6033 14.0597 10 2021-02-26
14:56:00		 Bollettino Sismico Italiano INGV 83981081
Reviewed
Rev100 		ML 1.6 2020-09-26
21:57:43		 41.613 14.0655 11 2020-09-26
22:13:44		 Sala Sismica INGV-Roma 83281801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-26 21:57:43 ± 0.09
Latitude 41.6033 ± 0.0054
Longitude 14.0597 ± 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 83981081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 609
Semi-minor axis of confidence ellipse (meter) 583
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.66010
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 17
Type of magnitude ML
Reference to an origin 83981081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-21 07:27:41

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 11
Type of magnitude ML
Reference to an origin 83281801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-26 22:13:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2020-09-26T21:58:06.12 0.6 undecidable manual S 341 73.2711 50 0.56 39
IV.PTQR.HHZ. 2020-09-26T21:58:05.65 0.6 undecidable manual S 311 71.5728 50 0.54 40
IV.LPEL.HHE. 2020-09-26T21:57:59.29 0.6 undecidable manual S 12 50.2164 50 -0.12 46
IV.INTR.HHZ. 2020-09-26T21:57:58.65 0.6 undecidable manual S 344 47.0196 50 0.09 46
IV.VVLD.HHZ. 2020-09-26T21:57:58.32 0.6 undecidable manual S 309 46.7199 50 -0.13 46
IV.PTQR.HHZ. 2020-09-26T21:57:56.05 0.6 undecidable manual P 311 71.5728 50 0.12 44
IV.LRP.EHZ. 2020-09-26T21:57:56.67 0.6 undecidable manual S 277 39.5271 50 0.12 46
IV.T0110.HHZ. 2020-09-26T21:57:55.80 0.6 undecidable manual P 341 73.2711 50 -0.39 41
IT.OPI.HGN. 2020-09-26T21:57:52.83 0.6 undecidable manual S 315 27.0507 50 -0.38 45
IV.BSSO.HHE. 2020-09-26T21:57:52.32 0.6 undecidable manual P 98 44.8218 50 0.53 42
IV.MCI.EHZ. 2020-09-26T21:57:52.72 0.6 undecidable manual S 239 23.9538 50 0.33 46
IV.LPEL.HHE. 2020-09-26T21:57:52.59 0.6 undecidable manual P 12 50.2164 50 -0.04 46
IV.VAGA.HHZ. 2020-09-26T21:57:52.71 0.6 undecidable manual S 145 25.3524 50 -0.06 48
IV.INTR.HHZ. 2020-09-26T21:57:51.89 0.6 undecidable manual P 344 47.0196 50 -0.25 45
IV.VVLD.HHZ. 2020-09-26T21:57:51.46 0.6 undecidable manual P 309 46.7199 50 -0.62 40
IV.SGG.HNE. 2020-09-26T21:57:50.63 0.3 undecidable manual P 132 35.8419 50 0.23 69
IV.RNI2.HHZ. 2020-09-26T21:57:50.07 0.6 undecidable manual S 35 13.4754 127 0.8 40
IV.LRP.EHZ. 2020-09-26T21:57:50.84 0.6 undecidable manual P 277 39.5271 50 -0.14 46
IV.POFI.HNE. 2020-09-26T21:57:49.45 0.6 undecidable manual P 294 31.4463 50 -0.28 46
IV.MIDA.HHZ. 2020-09-26T21:57:49.95 0.6 undecidable manual S 75 16.6722 122 -0.23 47
IV.MCI.EHZ. 2020-09-26T21:57:49.37 0.3 undecidable manual P 239 23.9538 50 0.79 59
IV.VAGA.HHZ. 2020-09-26T21:57:48.28 0.3 undecidable manual P 145 25.3524 50 -0.52 65
IT.OPI.HGN. 2020-09-26T21:57:48.54 0.3 undecidable manual P 315 27.0507 50 -0.51 65
IV.MIDA.HHZ. 2020-09-26T21:57:47.04 0.3 undecidable manual P 75 16.6722 122 -0.27 70
IV.CERA.HHZ. 2020-09-26T21:57:47.04 0.6 undecidable manual S 260 3.4965 161 -0.12 49
IV.RNI2.HHZ. 2020-09-26T21:57:47.01 0.1 positive manual P 35 13.4754 127 0.23 95
IV.CERA.HHZ. 2020-09-26T21:57:45.49 0.1 negative manual P 260 3.4965 161 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HNN. ML:1.6 0.00074509325 0.3072 AML other m 2020-09-26T21:57:47.42
IV.CERA.HHE. ML:1.5 0.0005890750999999999 0.1792 AML other m 2020-09-26T21:57:47.48
IV.CERA.HNE. ML:1.5 0.0005651967 0.2048 AML other m 2020-09-26T21:57:47.48
IV.CERA.HHN. ML:1.7 0.0008068101 0.3072 AML other m 2020-09-26T21:57:47.42
IV.RNI2.HHN. ML:1.5 0.00031225389999999995 0.2432 AML other m 2020-09-26T21:57:51.24
IV.RNI2.HNE. ML:1.6 0.00036317014999999995 0.1536 AML other m 2020-09-26T21:57:51.96
IV.RNI2.HHE. ML:1.6 0.000393258 0.1792 AML other m 2020-09-26T21:57:51.96
IV.RNI2.HNN. ML:1.4 0.00029019554999999995 0.2432 AML other m 2020-09-26T21:57:51.24
IV.MIDA.HNE. ML:1.7 0.00045947634999999996 0.1792 AML other m 2020-09-26T21:57:50.71
IV.MIDA.HHN. ML:1.7 0.00045406585 0.1024 AML other m 2020-09-26T21:57:50.71
IV.MIDA.HNN. ML:1.6 0.00033922125000000004 0.32 AML other m 2020-09-26T21:57:50.85
IV.MIDA.HHE. ML:1.7 0.0003918817 0.1664 AML other m 2020-09-26T21:57:50.69
IV.VAGA.HNE. ML:1.4 0.000128159635 0.2944 AML other m 2020-09-26T21:57:54.60
IV.VAGA.HNN. ML:1.5 0.00018682830000000002 0.2432 AML other m 2020-09-26T21:57:53.70
IV.VAGA.HHN. ML:1.5 0.00019673415 0.2304 AML other m 2020-09-26T21:57:54.64
IV.VAGA.HHE. ML:1.4 0.00013154902500000002 0.2432 AML other m 2020-09-26T21:57:54.87
IV.INTR.HHN. ML:1.6 0.000104597575 0.2304 AML other m 2020-09-26T21:57:59.83
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