Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 26-09-2020 and time 22:52:05 (Italy) in region 2 km SW Scapoli (IS)

A magnitude ML 1.4 earthquake occured in region: 2 km SW Scapoli (IS), on

  • 26-09-2020 20:52:05 (UTC)
  • 26-09-2020 22:52:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6030, 14.0500 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
Rocchetta a Volturno IS 4 1113 1793
Colli a Volturno IS 5 1349 3142
Castel San Vincenzo IS 6 516 3658
Filignano IS 6 648 4306
Montaquila IS 7 2456 6762
Pizzone IS 7 329 7091
Cerro al Volturno IS 7 1281 8372
Fornelli IS 8 1909 10281
Pozzilli IS 10 2380 12661
San Biagio Saracinisco FR 10 349 13010
Acquafondata FR 10 263 13273
Macchia d'Isernia IS 11 1035 14308
Viticuso FR 11 353 14661
Acquaviva d'Isernia IS 12 425 15086
Conca Casale IS 12 200 15286
Montenero Val Cocchiara IS 13 538 15824
Vallerotonda FR 13 1581 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
Sant'Agapito IS 16 1496 56944
Picinisco FR 16 1218 58162
Scontrone AQ 16 574 58736
Sant'Elia Fiumerapido FR 17 6166 64902
Capriati a Volturno CE 17 1541 66443
Miranda IS 17 1047 67490
Villa Latina FR 18 1241 68731
Barrea AQ 18 726 69457
San Vittore del Lazio FR 18 2636 72093
Cervaro FR 18 8109 80202
Settefrati FR 18 728 80930
Roccasicura IS 19 550 81480
Longano IS 19 690 82170
San Pietro Infine CE 19 944 83114
Ciorlano CE 19 426 83540
Pettoranello del Molise IS 19 460 84000
Pesche IS 19 1661 85661
Fontegreca CE 20 811 86472
Belmonte Castello FR 20 739 87211

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)
81 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)
92 Km N of Ercolano (53709 inhabitants)
94 Km N of Torre del Greco (86275 inhabitants)
97 Km E of Latina (125985 inhabitants)
97 Km S of Pescara (121014 inhabitants)
99 Km NW of Avellino (54857 inhabitants)
99 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 2020-09-26
20:52:05		 41.6028 14.0498 11 2021-02-26
14:55:58		 Bollettino Sismico Italiano INGV 83749991
Reviewed
Rev100 		ML 1.6 2020-09-26
20:52:04		 41.5527 14.0527 13 2020-09-26
21:35:03		 Sala Sismica INGV-Roma 83281341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-26 20:52:05 ± 0.09
Latitude 41.6028 ± 0.0063
Longitude 14.0498 ± 0.0072
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83749991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 639
Semi-minor axis of confidence ellipse (meter) 555
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 172
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
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 25
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.69068
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 83281341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-26 21:35:03

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 15
Type of magnitude ML
Reference to an origin 83749991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-13 08:12:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2020-09-26T20:52:26.57 3.0 undecidable manual S 76.6677 -1.85 0
IV.LPEL.HHZ. 2020-09-26T20:52:21.48 0.6 undecidable manual S 13 50.5161 50 0.06 46
IV.VVLD.HHZ. 2020-09-26T20:52:20.35 0.6 undecidable manual S 310 46.1205 50 0.1 46
IV.PAOL.HHZ. 2020-09-26T20:52:20.99 3.0 undecidable manual P 76.6677 2.31 0
IV.INTR.HHE. 2020-09-26T20:52:20.81 0.6 undecidable manual S 345 46.9197 50 0.35 44
IV.LPEL.HHZ. 2020-09-26T20:52:15.32 0.6 undecidable manual P 13 50.5161 50 0.68 39
IV.VAGA.HHZ. 2020-09-26T20:52:15.12 0.6 undecidable manual S 144 25.8519 50 0.28 47
IT.OPI.HGE. 2020-09-26T20:52:14.79 0.6 undecidable manual S 317 26.4513 50 -0.23 46
IV.BSSO.HHE. 2020-09-26T20:52:14.61 0.6 undecidable manual P 98 45.621 50 0.73 39
IV.MCI.EHE. 2020-09-26T20:52:14.66 0.6 undecidable manual S 238 23.2545 50 0.5 44
IV.INTR.HHE. 2020-09-26T20:52:13.74 0.6 undecidable manual P 345 46.9197 50 -0.35 44
IV.VVLD.HHZ. 2020-09-26T20:52:13.63 0.6 undecidable manual P 310 46.1205 50 -0.33 44
IV.TRIV.HHN. 2020-09-26T20:52:13.47 0.6 undecidable manual P 66 45.2214 50 -0.37 43
IV.RNI2.HHZ. 2020-09-26T20:52:12.01 0.6 undecidable manual S 37 13.9749 127 0.54 43
IV.SGG.HHN. 2020-09-26T20:52:12.71 0.6 undecidable manual P 131 36.3414 50 0.25 46
IV.LRP.EHN. 2020-09-26T20:52:12.38 0.6 undecidable manual P 277 38.7279 50 -0.45 43
IV.POFI.HNE. 2020-09-26T20:52:11.65 0.6 undecidable manual P 295 30.747 50 0.05 48
IV.MIDA.HHZ. 2020-09-26T20:52:11.92 0.6 undecidable manual S 76 17.4714 121 -0.54 44
IV.MCI.EHE. 2020-09-26T20:52:10.43 0.6 undecidable manual P 238 23.2545 50 -0.01 49
IV.VAGA.HHZ. 2020-09-26T20:52:10.40 0.6 undecidable manual P 144 25.8519 50 -0.44 44
IT.OPI.HGE. 2020-09-26T20:52:10.66 0.6 undecidable manual P 317 26.4513 50 -0.28 46
IV.MIDA.HHZ. 2020-09-26T20:52:09.06 0.3 undecidable manual P 76 17.4714 121 -0.4 68
IV.CERA.HHZ. 2020-09-26T20:52:09.17 0.6 undecidable manual S 258 2.6973 166 0.01 50
IV.RNI2.HHZ. 2020-09-26T20:52:09.06 0.3 undecidable manual P 37 13.9749 127 0.17 72
IV.CERA.HHZ. 2020-09-26T20:52:07.57 0.1 positive manual P 258 2.6973 166 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HNN. ML:1.4 0.00045130290000000003 0.1536 AML other m 2020-09-26T20:52:09.58
IV.CERA.HHE. ML:1.3 0.00035052479999999995 0.1664 AML other m 2020-09-26T20:52:09.57
IV.CERA.HNE. ML:1.3 0.00033408965000000004 0.1664 AML other m 2020-09-26T20:52:09.57
IV.CERA.HHN. ML:1.4 0.00048724104999999993 0.1536 AML other m 2020-09-26T20:52:09.58
IV.RNI2.HNN. ML:1.2 0.00016568539999999997 0.2944 AML other m 2020-09-26T20:52:12.40
IV.MIDA.HHN. ML:1.4 0.0002176732 0.1536 AML other m 2020-09-26T20:52:13.08
IV.MIDA.HNN. ML:1.3 0.0001819377 0.2688 AML other m 2020-09-26T20:52:12.76
IV.MIDA.HHE. ML:1.4 0.00022166275 0.2432 AML other m 2020-09-26T20:52:12.63
IV.MIDA.HNE. ML:1.4 0.00021144505000000004 0.1536 AML other m 2020-09-26T20:52:13.16
IV.RNI2.HHE. ML:1.3 0.000209603015 0.1408 AML other m 2020-09-26T20:52:13.96
IV.RNI2.HNE. ML:1.3 0.00020126766499999998 0.1536 AML other m 2020-09-26T20:52:13.96
IV.VVLD.HHN. ML:1.2 0.000049773290000000006 0.1792 AML other m 2020-09-26T20:52:20.52
IV.LPEL.HHE. ML:1.3 0.00005478967499999999 0.1536 AML other m 2020-09-26T20:52:23.04
IV.LPEL.HNN. ML:1.8 0.0001695479 0.6272 AML other m 2020-09-26T20:52:24.44
IV.LPEL.HHN. ML:1.4 0.00005960976 0.2176 AML other m 2020-09-26T20:52:22.70
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