Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-08-2018 and time 21:09:03 (Italy) in region 5 km W Sigillo (PG)

A magnitude ML 2.0 earthquake occured in region: 5 km W Sigillo (PG), on

  • 18-08-2018 19:09:03 (UTC)
  • 18-08-2018 21:09:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3180, 12.6840 at 9 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
Sigillo PG 5 2404 2404
Costacciaro PG 5 1216 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 18 31480 89002
Valfabbrica PG 19 3389 92391
Sassoferrato AN 19 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)
67 Km E of Arezzo (99543 inhabitants)
69 Km S of Pesaro (94582 inhabitants)
75 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 2.0 2018-08-18
19:09:03		 43.3183 12.6838 9 2019-04-24
14:51:19		 Bollettino Sismico Italiano INGV 67277091
Reviewed
Rev100 		ML 2.0 2018-08-18
19:09:03		 43.3217 12.6827 9 2018-08-18
19:17:24		 Sala Sismica INGV-Roma 59917271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-18 19:09:03 ± 0.04
Latitude 43.3183 ± 0.0027
Longitude 12.6838 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67277091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 98
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
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) 38
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.73385
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 67277091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-05 14:17:31

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 59917271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-18 19:17:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2018-08-18T19:09:24.47 0.6 undecidable manual S 147 64.0914 50 0.42 43
IV.CAFI.HHZ. 2018-08-18T19:09:22.18 0.6 undecidable manual S 271 57.8976 50 -0.22 45
IV.MOMA.HHZ. 2018-08-18T19:09:22.24 0.6 undecidable manual S 189 57.7977 50 -0.12 46
IV.PARC.HHZ. 2018-08-18T19:09:21.40 0.6 undecidable manual S 316 51.2154 50 0.78 38
IV.COR1.EHZ. 2018-08-18T19:09:20.22 0.6 undecidable manual S 36 43.1235 50 1.77 23
IV.PE3.EHZ. 2018-08-18T19:09:19.54 0.6 undecidable manual S 340 44.5221 50 0.72 40
IV.SACS.HHZ. 2018-08-18T19:09:18.47 0.1 undecidable manual P 231 81.4518 50 0.22 86
IV.BADI.EHZ. 2018-08-18T19:09:18.03 0.3 undecidable manual S 301 41.3253 50 0.08 72
IV.CING.HHZ. 2018-08-18T19:09:18.27 0.6 undecidable manual S 81 41.7249 50 0.19 47
IV.CESI.HHZ. 2018-08-18T19:09:17.28 0.6 undecidable manual S 153 39.1275 50 -0.09 48
IV.MPAG.EHZ. 2018-08-18T19:09:16.07 0.6 undecidable manual S 10 35.0427 50 -0.22 47
IV.NARO.HHZ. 2018-08-18T19:09:15.53 0.6 undecidable manual S 346 33.5442 50 -0.35 46
IV.GUMA.HHZ. 2018-08-18T19:09:15.05 0.3 undecidable manual P 118 59.7957 50 0.14 68
IV.ATMI.HHZ. 2018-08-18T19:09:15.66 0.6 undecidable manual S 273 33.6441 50 -0.25 47
IV.EL6.EHZ. 2018-08-18T19:09:15.92 0.6 undecidable manual S 88 33.744 50 -0.02 49
IV.NRCA.HHZ. 2018-08-18T19:09:15.53 0.3 undecidable manual P 147 64.0914 50 -0.04 69
IV.ARVD.HHZ. 2018-08-18T19:09:14.52 0.6 undecidable manual S 46 28.749 107 0.09 49
IV.CAFI.HHZ. 2018-08-18T19:09:14.58 0.1 undecidable manual P 271 57.8976 50 -0.04 94
IV.MOMA.HHZ. 2018-08-18T19:09:14.26 0.1 undecidable manual P 189 57.7977 50 -0.34 88
IV.SSP9.EHZ. 2018-08-18T19:09:14.28 0.3 undecidable manual P 303 52.7028 50 0.46 65
IV.SEF1.HNN. 2018-08-18T19:09:14.13 0.6 undecidable manual S 132 28.5492 107 -0.23 47
IV.MMUR.HNE. 2018-08-18T19:09:14.17 0.6 undecidable manual S 61 28.749 107 -0.25 47
IV.PIEI.HHZ. 2018-08-18T19:09:13.59 0.6 undecidable manual S 334 26.9508 108 -0.23 48
IV.ATPI.EHZ. 2018-08-18T19:09:13.83 0.6 undecidable manual S 303 27.0507 108 -0.03 50
IV.PARC.HHZ. 2018-08-18T19:09:13.64 0.1 undecidable manual P 316 51.2154 50 0.05 94
IV.SNTG.HHZ. 2018-08-18T19:09:12.20 0.6 undecidable manual S 109 21.867 112 0.02 50
IV.CING.HHZ. 2018-08-18T19:09:12.02 0.1 positive manual P 81 41.7249 50 -0.1 95
IV.ATVO.HHZ. 2018-08-18T19:09:12.44 0.6 undecidable manual S 288 23.4543 111 -0.24 48
IV.PE3.EHZ. 2018-08-18T19:09:12.64 0.1 undecidable manual P 340 44.5221 50 0.09 95
IV.COR1.EHZ. 2018-08-18T19:09:12.83 0.1 undecidable manual P 36 43.1235 50 0.49 87
IV.FIU1.HNZ. 2018-08-18T19:09:12.80 0.6 undecidable manual S 126 24.6531 110 -0.28 47
IV.ATLO.EHE. 2018-08-18T19:09:12.10 0.3 undecidable manual S 269 22.3554 112 -0.21 72
IV.FRON.EHZ. 2018-08-18T19:09:12.16 0.6 undecidable manual S 9 22.3554 112 -0.18 48
IV.CESI.HHZ. 2018-08-18T19:09:11.49 0.1 undecidable manual P 153 39.1275 50 -0.22 93
IV.BADI.EHZ. 2018-08-18T19:09:11.96 0.1 undecidable manual P 301 41.3253 50 -0.09 95
IV.MURB.HHZ. 2018-08-18T19:09:10.11 0.6 undecidable manual S 245 14.2746 122 0.31 48
IV.EL6.EHZ. 2018-08-18T19:09:10.70 0.1 positive manual P 88 33.744 50 -0.19 95
IV.SSFR.HNZ. 2018-08-18T19:09:10.20 0.6 undecidable manual S 31 15.2736 120 0.08 50
IV.MPAG.EHZ. 2018-08-18T19:09:10.76 0.1 undecidable manual P 10 35.0427 50 -0.33 92
IV.ATCC.EHZ. 2018-08-18T19:09:10.40 0.6 undecidable manual S 193 15.1737 120 0.31 48
IV.NARO.HHZ. 2018-08-18T19:09:10.45 0.1 positive manual P 346 33.5442 50 -0.4 91
IV.ATMI.HHZ. 2018-08-18T19:09:10.60 0.1 undecidable manual P 273 33.6441 50 -0.26 93
IV.FIU1.HNZ. 2018-08-18T19:09:09.47 0.3 undecidable manual P 126 24.6531 110 0.23 71
IV.ATPI.EHZ. 2018-08-18T19:09:09.54 0.1 undecidable manual P 303 27.0507 108 -0.14 97
IV.ATSC.EHE. 2018-08-18T19:09:09.18 0.6 undecidable manual S 1 11.6772 127 0.1 50
IV.MMUR.HNE. 2018-08-18T19:09:09.80 0.1 undecidable manual P 61 28.749 107 -0.22 95
IV.ARVD.HHZ. 2018-08-18T19:09:09.89 0.1 positive manual P 46 28.749 107 -0.13 97
IV.SEF1.HNN. 2018-08-18T19:09:09.82 0.3 undecidable manual P 132 28.5492 107 -0.16 72
IV.PIEI.HHZ. 2018-08-18T19:09:09.45 0.1 positive manual P 334 26.9508 108 -0.21 95
IV.ATLO.EHE. 2018-08-18T19:09:08.77 0.1 positive manual P 269 22.3554 112 -0.02 100
IV.FRON.EHZ. 2018-08-18T19:09:08.73 0.1 positive manual P 9 22.3554 112 -0.08 99
IV.SNTG.HHZ. 2018-08-18T19:09:08.77 0.1 positive manual P 109 21.867 112 0.06 99
IV.ATVO.HHZ. 2018-08-18T19:09:08.92 0.1 positive manual P 288 23.4543 111 -0.08 99
IV.ATFO.HHZ. 2018-08-18T19:09:08.82 0.6 undecidable manual S 301 10.4784 130 0.06 51
IV.MURB.HHZ. 2018-08-18T19:09:07.60 0.1 undecidable manual P 245 14.2746 122 0.26 97
IV.FOSV.HNE. 2018-08-18T19:09:07.80 0.3 undecidable manual S 113 6.7932 143 -0.05 77
IV.ATSC.EHE. 2018-08-18T19:09:07.11 0.1 undecidable manual P 1 11.6772 127 0.18 99
IV.SSFR.HNZ. 2018-08-18T19:09:07.66 0.1 undecidable manual P 31 15.2736 120 0.13 99
IV.ATCC.EHZ. 2018-08-18T19:09:07.75 0.1 undecidable manual P 193 15.1737 120 0.24 97
IV.ATFO.HHZ. 2018-08-18T19:09:06.99 0.1 positive manual P 301 10.4784 130 0.25 97
IV.FOSV.HNE. 2018-08-18T19:09:06.38 0.1 undecidable manual P 113 6.7932 143 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:2.2 0.002085 0.64 AML other m 2018-08-18T19:09:09.32
IV.ATFO.HHN. ML:2.2 0.00209 0.34 AML other m 2018-08-18T19:09:09.09
IV.MURB.HNN. ML:2.4 0.0023650000000000003 0.26 AML other m 2018-08-18T19:09:10.26
IV.ATCC.EHE. ML:2.3 0.0018549999999999999 0.54 AML other m 2018-08-18T19:09:10.52
IV.ATCC.EHN. ML:2.4 0.002315 0.28 AML other m 2018-08-18T19:09:10.51
IV.SSFR.HNN. ML:2.7 0.005165 0.14 AML other m 2018-08-18T19:09:10.59
IV.SSFR.HHN. ML:2.6 0.00378 0.58 AML other m 2018-08-18T19:09:10.38
IV.MURB.HHN. ML:2.4 0.002335 0.5 AML other m 2018-08-18T19:09:11.13
IV.MURB.HHE. ML:2.6 0.003715 0.24 AML other m 2018-08-18T19:09:11.39
IV.MURB.HNE. ML:2.5 0.00343 0.24 AML other m 2018-08-18T19:09:11.40
IV.SSFR.HHE. ML:2.7 0.0052450000000000005 0.22 AML other m 2018-08-18T19:09:11.51
IV.SSFR.HNE. ML:2.8 0.0059299999999999995 0.24 AML other m 2018-08-18T19:09:11.52
IV.SNTG.HNN. ML:2.2 0.001091 0.22 AML other m 2018-08-18T19:09:12.38
IV.SNTG.HHN. ML:2.2 0.0012050000000000001 0.22 AML other m 2018-08-18T19:09:12.38
IV.SNTG.HNE. ML:2.0 0.0007345 0.6 AML other m 2018-08-18T19:09:12.62
IV.ATVO.HHN. ML:2.0 0.000732 0.5 AML other m 2018-08-18T19:09:12.89
IV.ATVO.HHE. ML:2.0 0.0006025000000000001 0.24 AML other m 2018-08-18T19:09:12.84
IV.FRON.EHE. ML:2.2 0.001058 0.3 AML other m 2018-08-18T19:09:13.19
IV.FRON.EHN. ML:2.4 0.001835 0.66 AML other m 2018-08-18T19:09:13.78
IV.PIEI.HHN. ML:1.7 0.00025550000000000003 1.52 AML other m 2018-08-18T19:09:13.04
IV.SNTG.HHE. ML:1.6 0.000277 0.66 AML other m 2018-08-18T19:09:14.50
IV.PIEI.HHE. ML:1.9 0.00044999999999999993 0.34 AML other m 2018-08-18T19:09:14.68
IV.ATPI.EHN. ML:1.7 0.0002965 1.24 AML other m 2018-08-18T19:09:14.18
IV.ARVD.HHN. ML:1.6 0.00019700000000000002 0.08 AML other m 2018-08-18T19:09:15.72
IV.NARO.HHE. ML:1.9 0.00032 1.32 AML other m 2018-08-18T19:09:15.76
IV.NARO.HHN. ML:1.8 0.0003045 0.16 AML other m 2018-08-18T19:09:16.24
IV.EL6.EHE. ML:2.1 0.000515 0.84 AML other m 2018-08-18T19:09:16.11
IV.ARVD.HHE. ML:1.7 0.000265 0.56 AML other m 2018-08-18T19:09:16.75
IV.EL6.EHN. ML:2.1 0.0005265 1.6 AML other m 2018-08-18T19:09:16.97
IV.MPAG.EHE. ML:1.8 0.00028349999999999995 0.7 AML other m 2018-08-18T19:09:17.93
IV.MPAG.EHN. ML:1.7 0.000193 1.6 AML other m 2018-08-18T19:09:17.07
IV.BADI.EHE. ML:2.0 0.0003005 0.28 AML other m 2018-08-18T19:09:18.53
IV.CING.HHN. ML:1.9 0.00027749999999999997 0.8 AML other m 2018-08-18T19:09:18.94
IV.CING.HHE. ML:1.8 0.0002105 0.38 AML other m 2018-08-18T19:09:18.70
IV.CESI.HHE. ML:1.6 0.000145 0.44 AML other m 2018-08-18T19:09:18.73
IV.BADI.EHN. ML:1.9 0.00026900000000000003 0.7 AML other m 2018-08-18T19:09:18.76
IV.ATPI.EHE. ML:1.8 0.0003355 0.56 AML other m 2018-08-18T19:09:19.00
IV.CESI.HHN. ML:1.5 0.00011 1 AML other m 2018-08-18T19:09:19.38
IV.PE3.EHN. ML:2.3 0.0006324999999999999 0.28 AML other m 2018-08-18T19:09:23.52
IV.PE3.EHE. ML:2.3 0.000603 0.46 AML other m 2018-08-18T19:09:23.68
IV.PARC.HHN. ML:1.5 0.0000797 0.5 AML other m 2018-08-18T19:09:24.19
IV.CAFI.HHE. ML:1.5 0.0000774 0.32 AML other m 2018-08-18T19:09:24.73
IV.NRCA.HHN. ML:1.8 0.00013450000000000002 0.56 AML other m 2018-08-18T19:09:25.10
IV.CAFI.HHN. ML:1.5 0.00006325 0.52 AML other m 2018-08-18T19:09:25.65
IV.MOMA.HHN. ML:1.5 0.00007685 0.52 AML other m 2018-08-18T19:09:25.52
IV.NRCA.HHE. ML:1.8 0.0001235 0.1 AML other m 2018-08-18T19:09:26.33
IV.MOMA.HHE. ML:1.7 0.00010449999999999999 0.98 AML other m 2018-08-18T19:09:26.61
IV.PARC.HHE. ML:1.6 0.0001005 0.5 AML other m 2018-08-18T19:09:27.61
IV.GUMA.HHE. ML:2.2 0.0003015 0.62 AML other m 2018-08-18T19:09:27.37
IV.GUMA.HHN. ML:2.0 0.00021100000000000003 0.46 AML other m 2018-08-18T19:09:30.18
IV.SACS.HHE. ML:1.7 0.0000672 1.26 AML other m 2018-08-18T19:09:33.17
IV.SACS.HHN. ML:1.8 0.00008824999999999999 0.52 AML other m 2018-08-18T19:09:34.05
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