Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-10-2018 and time 20:43:07 (Italy) in region 3 km E Norcia (PG)

A magnitude ML 2.0 earthquake occured in region: 3 km E Norcia (PG), on

  • 27-10-2018 18:43:07 (UTC)
  • 27-10-2018 20:43:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8020, 13.1230 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
Norcia PG 3 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Preci PG 11 724 5962
Cascia PG 13 3217 9179
Arquata del Tronto AP 15 1178 10357
Visso MC 15 1107 11464
Accumoli RI 16 667 12131
Ussita MC 16 444 12575
Cerreto di Spoleto PG 17 1075 13650
Montegallo AP 18 523 14173
Poggiodomo PG 18 117 14290
Sellano PG 19 1079 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km W of Pescara (121014 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
99 Km NW of Chieti (51815 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 2018-10-27
18:43:07		 42.8022 13.1232 10 2019-06-04
09:16:06		 Bollettino Sismico Italiano INGV 64727731
Reviewed
Rev100 		ML 2.1 2018-10-27
18:43:07		 42.8013 13.1167 11 2018-10-27
18:49:46		 Sala Sismica INGV-Roma 62441071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-27 18:43:07 ± 0.04
Latitude 42.8022 ± 0.0018
Longitude 13.1232 ± 0.0037
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 64727731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 23
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.74914
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 54
Type of magnitude ML
Reference to an origin 64727731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-17 11:07:37

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 62441071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-27 18:49:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2018-10-27T18:43:25.71 0.6 undecidable manual S 358 58.497 50 0.35 43
IV.FIAM.HHZ. 2018-10-27T18:43:25.75 0.3 undecidable manual S 180 59.2962 50 0.19 67
IV.SNTG.HHZ. 2018-10-27T18:43:24.08 0.6 undecidable manual S 344 52.4031 50 0.36 43
IV.GIGS.HHZ. 2018-10-27T18:43:23.71 0.6 undecidable manual S 136 53.3022 50 -0.27 44
IV.TERO.HHZ. 2018-10-27T18:43:21.15 0.3 undecidable manual S 117 43.9227 50 -0.33 67
IV.MGAB.HHZ. 2018-10-27T18:43:21.69 1.0 undecidable manual P 279 83.1501 50 0.24 21
IV.ARVD.HHZ. 2018-10-27T18:43:21.13 0.6 undecidable manual P 349 78.5658 50 0.38 41
IV.T0110.HHZ. 2018-10-27T18:43:21.65 0.6 undecidable manual P 140 82.9503 50 0.22 42
IV.SSFR.HHZ. 2018-10-27T18:43:20.72 0.6 undecidable manual P 339 75.5688 50 0.43 41
IV.ARRO.EHZ. 2018-10-27T18:43:20.23 0.6 undecidable manual S 230 38.2284 50 0.28 45
IV.FAGN.HHZ. 2018-10-27T18:43:19.83 0.6 undecidable manual P 148 70.374 50 0.34 42
IV.PF6.EHN. 2018-10-27T18:43:19.55 0.6 undecidable manual S 9 37.629 50 -0.25 45
IV.CAMP.HHZ. 2018-10-27T18:43:19.60 0.6 undecidable manual S 142 37.629 50 -0.19 46
IV.MF5.EHZ. 2018-10-27T18:43:19.25 0.6 undecidable manual S 53 34.2435 50 0.37 45
IV.MML1.HNE. 2018-10-27T18:43:19.39 0.6 undecidable manual S 340 36.6411 50 -0.14 47
IV.CSP1.EHZ. 2018-10-27T18:43:18.47 0.6 undecidable manual S 12 32.8449 50 -0.03 48
IV.RM33.EHZ. 2018-10-27T18:43:18.79 0.6 undecidable manual S 167 33.3444 50 0.14 47
IV.EL6.EHZ. 2018-10-27T18:43:17.68 0.3 undecidable manual P 358 58.497 50 0.02 69
IV.FIAM.HHZ. 2018-10-27T18:43:17.74 0.3 undecidable manual P 180 59.2962 50 -0.03 69
IV.CESI.HHZ. 2018-10-27T18:43:17.17 0.6 undecidable manual S 322 28.6491 50 -0.22 47
IV.GIGS.HHZ. 2018-10-27T18:43:16.45 0.6 undecidable manual P 136 53.3022 50 -0.41 43
IV.CESX.HHZ. 2018-10-27T18:43:16.01 0.6 undecidable manual P 244 48.7179 50 -0.14 46
IV.SNTG.HHZ. 2018-10-27T18:43:16.88 0.3 undecidable manual P 344 52.4031 50 0.17 68
IV.SMA1.EHZ. 2018-10-27T18:43:16.55 0.6 undecidable manual S 138 25.752 50 -0.06 48
IV.FDMO.HHZ. 2018-10-27T18:43:16.41 0.6 undecidable manual S 354 26.1516 50 -0.32 46
IV.T1299.HNZ. 2018-10-27T18:43:16.23 0.6 undecidable manual S 145 22.6551 115 0.43 45
IV.LNSS.HHZ. 2018-10-27T18:43:15.80 0.6 undecidable manual S 197 23.1546 50 -0.12 48
IV.MOMA.HHZ. 2018-10-27T18:43:15.60 0.6 undecidable manual P 270 45.0216 50 0.02 47
IV.TERO.HHZ. 2018-10-27T18:43:15.19 0.3 undecidable manual P 117 43.9227 50 -0.23 68
IV.ASSB.HHZ. 2018-10-27T18:43:15.61 0.3 undecidable manual P 305 46.2204 50 -0.15 69
IV.MTRA.EHZ. 2018-10-27T18:43:15.70 0.6 undecidable manual S 103 22.8549 114 -0.13 48
IV.MF5.EHZ. 2018-10-27T18:43:14.25 0.1 positive manual P 53 34.2435 50 0.33 90
IV.FEMA.HNZ. 2018-10-27T18:43:14.28 0.3 undecidable manual S 341 18.6702 119 -0.28 71
IV.PF6.EHN. 2018-10-27T18:43:14.29 0.1 undecidable manual P 9 37.629 50 -0.16 93
IV.CAMP.HHZ. 2018-10-27T18:43:14.32 0.1 positive manual P 142 37.629 50 -0.12 94
IV.MML1.HNE. 2018-10-27T18:43:14.22 0.1 undecidable manual P 340 36.6411 50 -0.07 95
IV.ARRO.EHZ. 2018-10-27T18:43:14.52 0.1 positive manual P 230 38.2284 50 -0.01 96
IV.CESI.HHZ. 2018-10-27T18:43:13.00 0.1 positive manual P 322 28.6491 50 -0.06 96
IV.CSP1.EHZ. 2018-10-27T18:43:13.65 0.1 undecidable manual P 12 32.8449 50 -0.05 96
IV.MC2.EHZ. 2018-10-27T18:43:13.27 0.6 undecidable manual S 24 13.2756 128 0.3 47
IV.RM33.EHZ. 2018-10-27T18:43:13.76 0.3 undecidable manual P 167 33.3444 50 -0.03 72
IV.FDMO.HHZ. 2018-10-27T18:43:12.53 0.1 negative manual P 354 26.1516 50 -0.14 95
IV.T1299.HNZ. 2018-10-27T18:43:12.32 0.1 positive manual P 145 22.6551 115 0.19 94
IV.MTRA.EHZ. 2018-10-27T18:43:12.03 0.1 positive manual P 103 22.8549 114 -0.13 97
IV.LNSS.HHZ. 2018-10-27T18:43:12.18 0.3 undecidable manual P 197 23.1546 50 -0.02 74
IV.SMA1.EHZ. 2018-10-27T18:43:12.50 0.6 undecidable manual P 138 25.752 50 -0.1 48
IV.FEMA.HNZ. 2018-10-27T18:43:11.45 0.3 undecidable manual P 341 18.6702 119 0.03 74
IV.MC2.EHZ. 2018-10-27T18:43:10.71 0.1 negative manual P 24 13.2756 128 0.2 96
IV.NRCA.HHZ. 2018-10-27T18:43:10.45 0.6 undecidable manual S 348 3.5964 161 -0.49 46
IV.NRCA.HHZ. 2018-10-27T18:43:09.39 0.1 negative manual P 348 3.5964 161 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:2.3 0.0013908004000000001 0.1152 AML other m 2018-10-27T18:43:16.28
IV.MTRA.HNN. ML:2.2 0.0010762629 0.2304 AML other m 2018-10-27T18:43:16.35
IV.MTRA.EHN. ML:2.2 0.00108910175 0.2304 AML other m 2018-10-27T18:43:16.35
IV.LNSS.HHN. ML:2.4 0.001541247 0.1408 AML other m 2018-10-27T18:43:16.59
IV.FDMO.HHE. ML:2.1 0.0006491867 0.0896 AML other m 2018-10-27T18:43:16.86
IV.FDMO.HHN. ML:2.3 0.0011728174999999998 0.2176 AML other m 2018-10-27T18:43:17.09
IV.MTRA.HNE. ML:2.2 0.0009410867999999999 0.2048 AML other m 2018-10-27T18:43:17.24
IV.MTRA.EHE. ML:2.2 0.0009409463 0.2048 AML other m 2018-10-27T18:43:17.24
IV.CESI.HHN. ML:2.6 0.0019422859999999997 0.3328 AML other m 2018-10-27T18:43:17.66
IV.CESI.HHE. ML:2.4 0.0013698665000000001 0.2176 AML other m 2018-10-27T18:43:17.74
IV.SMA1.EHE. ML:2.2 0.0008274464 0.1536 AML other m 2018-10-27T18:43:18.05
IV.SMA1.EHN. ML:2.2 0.00086738735 0.2432 AML other m 2018-10-27T18:43:18.52
IV.CSP1.EHN. ML:2.3 0.0008041121 0.3712 AML other m 2018-10-27T18:43:18.99
IV.CSP1.EHE. ML:2.1 0.00058105585 0.3072 AML other m 2018-10-27T18:43:19.29
IV.RM33.HNN. ML:2.0 0.00038240355000000004 0.1664 AML other m 2018-10-27T18:43:19.49
IV.RM33.EHN. ML:1.9 0.00036931484999999995 0.1536 AML other m 2018-10-27T18:43:19.50
IV.CAMP.HHN. ML:1.8 0.0002244068 0.4992 AML other m 2018-10-27T18:43:20.03
IV.RM33.EHE. ML:2.0 0.000414571 0.2176 AML other m 2018-10-27T18:43:20.14
IV.RM33.HNE. ML:2.0 0.0004058566 0.2304 AML other m 2018-10-27T18:43:20.14
IV.MF5.EHN. ML:2.2 0.00065797985 0.2816 AML other m 2018-10-27T18:43:20.00
IV.CAMP.HHE. ML:1.9 0.0002994669 0.1792 AML other m 2018-10-27T18:43:20.49
IV.TERO.HHE. ML:2.0 0.0003461783 0.0896 AML other m 2018-10-27T18:43:21.93
IV.TERO.HNN. ML:1.8 0.00019353575 0.1536 AML other m 2018-10-27T18:43:21.96
IV.ARRO.EHE. ML:2.0 0.0003382253 0.1664 AML other m 2018-10-27T18:43:22.20
IV.TERO.HHN. ML:2.0 0.00030414075 0.1664 AML other m 2018-10-27T18:43:22.39
IV.TERO.HNE. ML:1.7 0.000150918655 0.1408 AML other m 2018-10-27T18:43:22.50
IV.ASSB.HHE. ML:2.1 0.0003857518 0.1024 AML other m 2018-10-27T18:43:23.01
IV.ARRO.EHN. ML:2.1 0.00041647244999999997 0.2816 AML other m 2018-10-27T18:43:23.15
IV.MOMA.HHE. ML:2.0 0.00032936394999999994 0.2048 AML other m 2018-10-27T18:43:23.78
IV.MOMA.HNE. ML:2.0 0.00032654289999999996 0.192 AML other m 2018-10-27T18:43:23.79
IV.MOMA.HHN. ML:2.0 0.00028796595000000005 0.1536 AML other m 2018-10-27T18:43:23.96
IV.ASSB.HHN. ML:2.0 0.0003037714 0.1792 AML other m 2018-10-27T18:43:24.20
IV.SNTG.HNE. ML:1.8 0.00017555635 0.1536 AML other m 2018-10-27T18:43:24.72
IV.CESX.HHN. ML:1.8 0.00019056550999999998 0.3456 AML other m 2018-10-27T18:43:24.99
IV.SNTG.HHN. ML:1.8 0.00015962345 0.1152 AML other m 2018-10-27T18:43:25.66
IV.SNTG.HHE. ML:1.6 0.00009907289 0.128 AML other m 2018-10-27T18:43:26.60
IV.EL6.EHN. ML:2.2 0.00033673344999999997 0.1792 AML other m 2018-10-27T18:43:26.65
IV.EL6.EHE. ML:2.1 0.0002809618 0.1664 AML other m 2018-10-27T18:43:27.45
IV.FIAM.HHN. ML:1.8 0.00012233723500000001 0.1536 AML other m 2018-10-27T18:43:27.56
IV.FIAM.HHE. ML:1.7 0.00009479138 0.256 AML other m 2018-10-27T18:43:27.94
IV.SSFR.HNE. ML:2.2 0.00021636949999999998 0.1664 AML other m 2018-10-27T18:43:31.56
IV.ARVD.HHN. ML:1.6 0.00004805832 0.1024 AML other m 2018-10-27T18:43:32.28
IV.SSFR.HHN. ML:2.1 0.00016980425 0.256 AML other m 2018-10-27T18:43:32.28
IV.SSFR.HHE. ML:2.1 0.0001774908 0.2432 AML other m 2018-10-27T18:43:32.90
IV.SSFR.HNN. ML:2.2 0.00021339229999999999 0.1536 AML other m 2018-10-27T18:43:32.87
IV.ARVD.HHE. ML:1.8 0.000085095455 0.2048 AML other m 2018-10-27T18:43:33.94
IV.FAGN.HHE. ML:2.2 0.00028433705 0.32 AML other m 2018-10-27T18:43:35.11
IV.T0110.HHE. ML:2.0 0.00013643639999999998 0.3072 AML other m 2018-10-27T18:43:36.19
IV.MGAB.HNE. ML:1.9 0.000094580695 0.256 AML other m 2018-10-27T18:43:39.19
IV.FAGN.HHN. ML:2.0 0.0001742335 0.4224 AML other m 2018-10-27T18:43:39.74
IV.MGAB.HHE. ML:2.0 0.00011339255000000001 0.6272 AML other m 2018-10-27T18:43:39.88
IV.T0110.HHN. ML:2.0 0.00014097166 0.384 AML other m 2018-10-27T18:43:39.90
IV.MGAB.HHN. ML:2.0 0.00014015775 0.3072 AML other m 2018-10-27T18:43:40.81
IV.MGAB.HNN. ML:2.0 0.0001318125 0.2816 AML other m 2018-10-27T18:43:40.82
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