Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 21-11-2018 and time 11:54:40 (Italy) in region 5 km W Sigillo (PG)

A magnitude ML 2.3 earthquake occured in region: 5 km W Sigillo (PG), on

  • 21-11-2018 10:54:40 (UTC)
  • 21-11-2018 11:54:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3190, 12.6780 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
Costacciaro PG 5 1216 1216
Sigillo PG 5 2404 3620
Fossato di Vico PG 7 2840 6460
Gubbio PG 9 32216 38676
Scheggia e Pascelupo PG 10 1393 40069
Gualdo Tadino PG 13 15208 55277
Cantiano PU 18 2245 57522
Fabriano AN 19 31480 89002
Valfabbrica PG 19 3389 92391
Sassoferrato AN 20 7285 99676

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
40 Km N of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
69 Km S of Pesaro (94582 inhabitants)
76 Km W of Ancona (100861 inhabitants)
83 Km S of Rimini (147750 inhabitants)
84 Km N of Terni (111501 inhabitants)
98 Km SE of Cesena (96758 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 2.3 2018-11-21
10:54:40		 43.3188 12.6785 10 2019-06-04
09:16:11		 Bollettino Sismico Italiano INGV 66910711
Reviewed
Rev100 		ML 2.2 2018-11-21
10:54:40		 43.3223 12.6827 10 2018-11-21
11:06:18		 Sala Sismica INGV-Roma 63257441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-21 10:54:40 ± 0.03
Latitude 43.3188 ± 0.0018
Longitude 12.6785 ± 0.0025
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 66910711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 26
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.23927
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 45
Type of magnitude ML
Reference to an origin 63257441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-21 11:06:18

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 66910711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-25 14:18:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2018-11-21T10:55:10.97 3.0 undecidable manual S 0.02 0
IV.IMOL.HNZ. 2018-11-21T10:55:04.86 3.0 positive manual P 137.5623 1.51 0
IV.FDMO.HHZ. 2018-11-21T10:54:55.88 0.6 undecidable manual S 133 45.5211 50 0.43 43
IV.SACS.HHZ. 2018-11-21T10:54:55.14 3.0 positive manual P 81.252 0.48 0
IV.BADI.EHZ. 2018-11-21T10:54:54.52 0.6 undecidable manual S 301 40.9257 50 0.31 45
IV.MDAR.HNN. 2018-11-21T10:54:54.39 0.6 undecidable manual S 110 40.0266 50 0.41 44
IV.MF5.EHZ. 2018-11-21T10:54:54.32 3.0 positive manual P 73.0713 0.91 0
IV.CRE.HHZ. 2018-11-21T10:54:54.04 3.0 positive manual P 67.2771 1.52 0
IV.PESA.HHZ. 2018-11-21T10:54:53.52 0.3 undecidable manual P 11 70.1742 50 0.55 60
IV.MML1.HNE. 2018-11-21T10:54:52.12 0.3 undecidable manual S 134 32.8449 50 0.05 72
IV.MGAB.HHZ. 2018-11-21T10:54:52.29 0.1 positive manual P 226 64.2912 50 0.24 87
IV.MPAG.EHZ. 2018-11-21T10:54:52.79 3.0 undecidable manual S -1.09 0
IV.EL6.EHE. 2018-11-21T10:54:52.28 0.6 undecidable manual S 88 34.1436 50 -0.13 47
IV.ATVA.EHE. 2018-11-21T10:54:51.46 0.3 undecidable manual S 262 32.0457 50 -0.39 67
IV.CAFI.HHZ. 2018-11-21T10:54:51.31 0.3 undecidable manual P 271 57.498 50 0.31 65
IV.ASSB.HHZ. 2018-11-21T10:54:51.20 0.6 undecidable manual S 183 30.6471 50 -0.29 46
IV.NRCA.HHZ. 2018-11-21T10:54:51.91 0.6 undecidable manual P 147 64.3911 50 -0.16 44
IV.SEF1.HNZ. 2018-11-21T10:54:50.93 0.6 undecidable manual S 131 28.9488 50 -0.09 48
IV.PARC.HHZ. 2018-11-21T10:54:50.23 0.1 undecidable manual P 316 50.9157 50 0.24 89
IV.ATTE.HHZ. 2018-11-21T10:54:50.69 0.6 undecidable manual S 243 29.4483 50 -0.47 44
IV.ARVD.HHZ. 2018-11-21T10:54:50.55 0.6 undecidable manual S 47 29.0487 50 -0.5 44
IV.PIEI.HHZ. 2018-11-21T10:54:50.23 0.1 undecidable manual S 334 26.6511 50 -0.18 94
IV.ATPC.HHE. 2018-11-21T10:54:50.13 0.6 undecidable manual S 315 25.3524 111 0.13 48
IV.ATPI.EHZ. 2018-11-21T10:54:50.20 0.6 undecidable manual S 303 26.6511 50 -0.2 47
IV.MOMA.HHZ. 2018-11-21T10:54:50.91 0.1 undecidable manual P 189 57.7977 50 -0.14 90
IV.PE3.EHZ. 2018-11-21T10:54:49.42 0.6 undecidable manual P 341 44.3223 50 0.45 43
IV.ATVO.HHZ. 2018-11-21T10:54:49.14 0.1 undecidable manual S 288 23.0547 113 -0.12 96
IV.COR1.EHZ. 2018-11-21T10:54:49.56 0.3 undecidable manual P 37 43.3233 50 0.74 58
IV.FDMO.HHZ. 2018-11-21T10:54:49.12 0.1 undecidable manual P 133 45.5211 50 -0.04 94
IV.SNTG.HHZ. 2018-11-21T10:54:49.05 0.3 undecidable manual S 108 22.3554 114 0.01 74
IV.BADI.EHZ. 2018-11-21T10:54:48.68 0.1 undecidable manual P 301 40.9257 50 0.24 91
IV.ATLO.EHE. 2018-11-21T10:54:48.70 0.3 undecidable manual S 269 21.867 114 -0.21 71
IV.MDAR.HNN. 2018-11-21T10:54:48.84 0.6 undecidable manual P 110 40.0266 50 0.53 42
IV.FRON.EHZ. 2018-11-21T10:54:48.81 0.1 undecidable manual S 10 22.3554 114 -0.25 93
IV.CESI.HHZ. 2018-11-21T10:54:48.17 0.1 undecidable manual P 152 39.3273 50 -0.03 95
IV.EL6.EHE. 2018-11-21T10:54:47.43 0.1 undecidable manual P 88 34.1436 50 0.02 96
IV.APEC.HHZ. 2018-11-21T10:54:47.48 0.1 undecidable manual P 322 33.744 50 0.14 94
IV.ATCC.EHZ. 2018-11-21T10:54:47.06 0.1 undecidable manual S 192 15.1737 123 0.21 96
IV.PIEI.HHZ. 2018-11-21T10:54:46.06 0.1 undecidable manual P 334 26.6511 50 -0.19 94
IV.ASSB.HHZ. 2018-11-21T10:54:46.65 0.1 undecidable manual P 183 30.6471 50 -0.22 93
IV.SSFR.HNZ. 2018-11-21T10:54:46.94 0.3 undecidable manual S 33 15.4734 123 0 75
IV.ATPI.EHZ. 2018-11-21T10:54:46.22 0.3 undecidable manual P 303 26.6511 50 -0.03 73
IV.MML1.HNE. 2018-11-21T10:54:46.99 0.1 undecidable manual P 134 32.8449 50 -0.22 92
IV.GAG1.HNE. 2018-11-21T10:54:46.94 0.6 undecidable manual P 106 32.6451 50 -0.23 46
IV.SEF1.HNZ. 2018-11-21T10:54:46.53 0.3 undecidable manual P 131 28.9488 50 -0.07 72
IV.ATVA.EHE. 2018-11-21T10:54:46.89 0.1 undecidable manual P 262 32.0457 50 -0.19 93
IV.ATTE.HHZ. 2018-11-21T10:54:46.55 0.1 undecidable manual P 243 29.4483 50 -0.13 95
IV.ARVD.HHZ. 2018-11-21T10:54:46.57 0.1 undecidable manual P 47 29.0487 50 -0.05 96
IV.MURB.HHZ. 2018-11-21T10:54:46.72 0.1 undecidable manual S 244 13.875 125 0.23 95
IV.ATLO.EHE. 2018-11-21T10:54:45.39 0.1 positive manual P 269 21.867 114 0.01 98
IV.FRON.EHZ. 2018-11-21T10:54:45.38 0.1 undecidable manual P 10 22.3554 114 -0.09 97
IV.ATPC.HHE. 2018-11-21T10:54:45.98 0.1 undecidable manual P 315 25.3524 111 -0.03 97
IV.SNTG.HHZ. 2018-11-21T10:54:45.43 0.1 undecidable manual P 108 22.3554 114 -0.03 98
IV.ATVO.HHZ. 2018-11-21T10:54:45.55 0.1 undecidable manual P 288 23.0547 113 -0.04 98
IV.MURB.HHZ. 2018-11-21T10:54:44.22 0.1 undecidable manual P 244 13.875 125 0.23 95
IV.SSFR.HNZ. 2018-11-21T10:54:44.34 0.1 undecidable manual P 33 15.4734 123 0.09 98
IV.FOSV.EHZ. 2018-11-21T10:54:44.45 0.1 undecidable manual S 112 7.1928 144 -0.36 94
IV.ATCC.EHZ. 2018-11-21T10:54:44.35 0.1 undecidable manual P 192 15.1737 123 0.16 97
IV.FOSV.EHZ. 2018-11-21T10:54:42.97 0.1 undecidable manual P 112 7.1928 144 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:2.2 0.0024982778 0.3008 AML other m 2018-11-21T10:54:44.66
IV.SSFR.HHE. ML:2.6 0.0038200000000000005 0.14 AML other m 2018-11-21T10:54:47.19
IV.SSFR.HNN. ML:2.6 0.0039143015 0.128 AML other m 2018-11-21T10:54:47.20
IV.MURB.HNE. ML:3.1 0.0132 0.22 AML other m 2018-11-21T10:54:47.16
IV.MURB.HHE. ML:3.1 0.0135 0.24 AML other m 2018-11-21T10:54:47.15
IV.ATCC.EHN. ML:2.5 0.0029050000000000005 0.2 AML other m 2018-11-21T10:54:47.28
IV.MURB.HHN. ML:2.9 0.0075 0.94 AML other m 2018-11-21T10:54:47.32
IV.MURB.HNN. ML:2.8 0.0068650000000000004 0.24 AML other m 2018-11-21T10:54:47.33
IV.SSFR.HHN. ML:2.6 0.004126499499999999 0.1408 AML other m 2018-11-21T10:54:47.98
IV.ATCC.EHE. ML:2.6 0.003875 0.28 AML other m 2018-11-21T10:54:48.41
IV.SSFR.HNE. ML:2.7 0.004338100000000001 0.1408 AML other m 2018-11-21T10:54:48.48
IV.ATVO.HHN. ML:2.2 0.0010705 0.54 AML other m 2018-11-21T10:54:49.52
IV.SNTG.HNN. ML:2.3 0.001245 0.28 AML other m 2018-11-21T10:54:49.26
IV.SNTG.HHN. ML:2.3 0.00121 0.28 AML other m 2018-11-21T10:54:49.26
IV.SNTG.HNE. ML:2.0 0.0006262505 0.2368 AML other m 2018-11-21T10:54:49.30
IV.FRON.EHN. ML:2.4 0.001895 0.16 AML other m 2018-11-21T10:54:49.44
IV.ATVO.HHE. ML:2.2 0.001032 0.46 AML other m 2018-11-21T10:54:49.52
IV.SNTG.HHE. ML:2.0 0.0006905 0.92 AML other m 2018-11-21T10:54:50.03
IV.FRON.EHE. ML:2.5 0.0022066940000000004 0.1024 AML other m 2018-11-21T10:54:50.11
IV.ATTE.HHE. ML:2.1 0.0006845 0.66 AML other m 2018-11-21T10:54:51.45
IV.ARVD.HHE. ML:2.1 0.000625 1.06 AML other m 2018-11-21T10:54:51.18
IV.ARVD.HHN. ML:2.0 0.0005615 0.26 AML other m 2018-11-21T10:54:51.42
IV.PIEI.HHN. ML:2.2 0.000888 0.14 AML other m 2018-11-21T10:54:51.45
IV.ASSB.HHE. ML:2.3 0.000923 0.36 AML other m 2018-11-21T10:54:51.50
IV.ASSB.HHN. ML:2.4 0.001103 0.48 AML other m 2018-11-21T10:54:51.48
IV.ATPI.EHN. ML:2.1 0.0006875 0.48 AML other m 2018-11-21T10:54:51.85
IV.ATPI.EHE. ML:2.0 0.0006120000000000001 0.6 AML other m 2018-11-21T10:54:51.93
IV.PIEI.HHE. ML:2.4 0.0013451645 0.16 AML other m 2018-11-21T10:54:52.20
IV.ATTE.HHN. ML:2.1 0.000686 0.38 AML other m 2018-11-21T10:54:52.38
IV.APEC.HHN. ML:2.3 0.0008240000000000001 0.22 AML other m 2018-11-21T10:54:53.71
IV.BADI.EHE. ML:2.2 0.0005645 0.26 AML other m 2018-11-21T10:54:55.15
IV.BADI.EHN. ML:2.2 0.000564 0.42 AML other m 2018-11-21T10:54:55.28
IV.CESI.HHE. ML:2.0 0.000325 0.7 AML other m 2018-11-21T10:54:55.52
IV.FDMO.HHE. ML:1.8 0.000188 1.2 AML other m 2018-11-21T10:54:59.78
IV.CESI.HHN. ML:1.8 0.0002035 1.4 AML other m 2018-11-21T10:55:01.25
IV.NRCA.HHE. ML:2.0 0.0002082486 0.1216 AML other m 2018-11-21T10:55:02.06
IV.NRCA.HHN. ML:2.1 0.00021300000000000003 0.84 AML other m 2018-11-21T10:55:02.58
IV.GAVE.EHE. ML:2.5 0.0004670849 1.5776 AML other m 2018-11-21T10:55:03.88
IV.GAVE.HNE. ML:2.5 0.0005596751499999999 1.5904 AML other m 2018-11-21T10:55:03.88
IV.GAVE.EHN. ML:2.5 0.00047020069999999996 1.5392 AML other m 2018-11-21T10:55:03.95
IV.PESA.HHE. ML:2.6 0.0007395 0.78 AML other m 2018-11-21T10:55:04.35
IV.CRE.HHN. ML:2.2 0.00027600000000000004 0.72 AML other m 2018-11-21T10:55:05.12
IV.CRE.HHE. ML:2.0 0.00015400000000000003 0.34 AML other m 2018-11-21T10:55:05.56
IV.PESA.HHN. ML:2.6 0.0007239999999999999 0.78 AML other m 2018-11-21T10:55:05.39
IV.SACS.HHE. ML:2.0 0.0001175 1.52 AML other m 2018-11-21T10:55:09.06
IV.SACS.HHN. ML:2.2 0.00020600000000000002 0.68 AML other m 2018-11-21T10:55:10.67
IV.SACS.HNN. ML:2.2 0.00021750000000000003 0.68 AML other m 2018-11-21T10:55:10.67
IV.SACS.HNE. ML:2.0 0.00013550000000000001 1.58 AML other m 2018-11-21T10:55:10.06
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
Waveforms Seismic signals in miniseed + resp format Download