Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 27-06-2020 and time 09:35:05 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km NE Norcia (PG), on

  • 27-06-2020 07:35:05 (UTC)
  • 27-06-2020 09:35:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8100, 13.1180 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
Norcia PG 3 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 10 724 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 15 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Accumoli RI 17 667 13650
Sellano PG 18 1079 14729
Montegallo AP 18 523 15252
Poggiodomo PG 18 117 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km W of Pescara (121014 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
100 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 1.8 2020-06-27
07:35:05		 42.81 13.118 9 2020-11-19
12:36:51		 Bollettino Sismico Italiano INGV 80822061
Reviewed
Rev100 		ML 1.8 2020-06-27
07:35:05		 42.8107 13.1147 9 2020-06-27
07:44:05		 Sala Sismica INGV-Roma 80553111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-27 07:35:05 ± 0.04
Latitude 42.8100 ± 0.0018
Longitude 13.1180 ± 0.0037
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 80822061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 305
Semi-minor axis of confidence ellipse (meter) 50
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
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) 36
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.75633
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 47
Type of magnitude ML
Reference to an origin 80822061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-06 09:22:13

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 67
Type of magnitude ML
Reference to an origin 80553111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-27 07:44:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OFFI.HHZ. 2020-06-27T07:35:24.34 0.6 undecidable manual S 73 48.2184 50 2.96 3
IV.SNTG.HHZ. 2020-06-27T07:35:22.49 0.6 undecidable manual S 344 51.4152 50 0.25 45
IV.CESX.HHZ. 2020-06-27T07:35:22.08 0.6 undecidable manual S 243 48.7179 50 0.56 42
IV.GIGS.HHN. 2020-06-27T07:35:22.39 0.6 undecidable manual S 137 54.3012 50 -0.61 41
IV.T0110.HHZ. 2020-06-27T07:35:20.53 0.3 undecidable manual P 140 83.9493 50 0.28 63
IV.MOMA.HHZ. 2020-06-27T07:35:20.91 0.6 undecidable manual S 269 44.622 50 0.49 43
IV.ASSB.HHZ. 2020-06-27T07:35:20.64 0.6 undecidable manual S 305 45.3213 50 0.02 48
IV.SAP2.EHZ. 2020-06-27T07:35:19.39 0.6 undecidable manual S 36 39.1275 50 0.43 44
IV.VCEL.EHZ. 2020-06-27T07:35:19.21 0.1 undecidable manual P 128 74.8695 50 0.36 84
IV.ARRO.EHZ. 2020-06-27T07:35:19.07 0.6 undecidable manual S 228 38.4282 50 0.28 46
IV.TERO.HHZ. 2020-06-27T07:35:19.99 0.6 undecidable manual S 118 44.7219 50 -0.46 44
IV.ARVD.HHZ. 2020-06-27T07:35:19.74 0.6 undecidable manual P 349 77.6667 50 0.46 41
IV.CAMP.HHZ. 2020-06-27T07:35:18.48 0.3 undecidable manual S 142 38.628 50 -0.34 68
IV.MURB.HHZ. 2020-06-27T07:35:18.19 0.3 undecidable manual P 316 69.5748 50 0.16 67
IV.PF6.EHN. 2020-06-27T07:35:18.00 0.6 undecidable manual S 10 36.9297 50 -0.36 45
IV.MF5.EHZ. 2020-06-27T07:35:18.18 0.3 undecidable manual S 55 34.0437 50 0.57 64
IV.GUMA.HNN. 2020-06-27T07:35:17.55 0.6 undecidable manual S 32 33.1446 50 0.19 47
IV.MML1.HNE. 2020-06-27T07:35:17.81 0.3 undecidable manual S 341 35.742 50 -0.23 70
IV.CING.HNZ. 2020-06-27T07:35:17.00 0.3 undecidable manual P 6 63.0924 50 -0.03 69
IV.RM33.EHZ. 2020-06-27T07:35:17.38 0.6 undecidable manual S 167 34.3434 50 -0.29 46
IV.FIAM.HHZ. 2020-06-27T07:35:16.49 0.3 undecidable manual P 180 60.0954 50 -0.09 69
IV.EL6.EHZ. 2020-06-27T07:35:16.03 0.3 undecidable manual P 359 57.5979 50 -0.16 68
IV.CSP1.EHZ. 2020-06-27T07:35:16.92 0.3 undecidable manual S 13 32.0457 50 -0.15 71
IV.FOSV.HNE. 2020-06-27T07:35:16.98 0.6 undecidable manual P 332 61.0944 50 0.26 44
IV.ATCC.EHZ. 2020-06-27T07:35:16.05 0.1 undecidable manual P 317 56.8986 50 -0.03 93
IV.CESI.HHZ. 2020-06-27T07:35:15.51 0.3 undecidable manual S 321 27.75 109 -0.29 70
IV.MNTT.EHZ. 2020-06-27T07:35:15.10 0.6 undecidable manual P 54 47.8188 50 0.42 44
IV.SMA1.EHZ. 2020-06-27T07:35:15.35 0.3 undecidable manual S 138 26.6511 109 -0.11 73
IV.SNTG.HHZ. 2020-06-27T07:35:15.09 0.3 undecidable manual P 344 51.4152 50 -0.14 69
IV.OFFI.HHZ. 2020-06-27T07:35:15.39 0.1 undecidable manual P 73 48.2184 50 0.65 81
IV.GIGS.HHN. 2020-06-27T07:35:15.15 0.3 undecidable manual P 137 54.3012 50 -0.52 63
IV.FDMO.HHZ. 2020-06-27T07:35:14.61 0.3 undecidable manual S 354 25.2525 110 -0.39 69
IV.MTRA.HNZ. 2020-06-27T07:35:14.10 0.3 undecidable manual S 105 23.4543 112 -0.31 70
IV.ASSB.HHZ. 2020-06-27T07:35:14.11 0.1 undecidable manual P 305 45.3213 50 -0.19 92
IV.T1299.EHE. 2020-06-27T07:35:14.92 0.3 undecidable manual S 145 23.6541 111 0.44 68
IV.LNSS.HHZ. 2020-06-27T07:35:14.63 0.3 undecidable manual S 195 23.8539 111 0.09 73
IV.MOMA.HHZ. 2020-06-27T07:35:14.21 0.1 undecidable manual P 269 44.622 50 0.03 96
IV.CESX.HHZ. 2020-06-27T07:35:14.67 0.1 undecidable manual P 243 48.7179 50 -0.15 92
IV.TERO.HHZ. 2020-06-27T07:35:13.75 0.3 undecidable manual P 118 44.7219 50 -0.45 66
IV.SAP2.EHZ. 2020-06-27T07:35:13.65 0.3 undecidable manual P 36 39.1275 50 0.31 68
IV.MMO1.EHZ. 2020-06-27T07:35:13.14 0.3 undecidable manual S 60 19.6692 115 -0.07 74
IT.MTCL.HGZ. 2020-06-27T07:35:13.89 0.6 undecidable manual S 335 22.5552 112 -0.24 48
IV.ARRO.EHZ. 2020-06-27T07:35:13.13 0.3 undecidable manual P 228 38.4282 50 -0.11 71
IV.FEMA.HNE. 2020-06-27T07:35:12.59 0.3 undecidable manual S 342 17.7711 118 -0.03 75
IV.RM33.EHZ. 2020-06-27T07:35:12.39 0.3 undecidable manual P 167 34.3434 50 -0.21 70
IV.PF6.EHN. 2020-06-27T07:35:12.74 0.1 undecidable manual P 10 36.9297 50 -0.26 92
IV.MF5.EHZ. 2020-06-27T07:35:12.74 0.1 positive manual P 55 34.0437 50 0.18 94
IV.GUMA.HNN. 2020-06-27T07:35:12.52 0.1 undecidable manual P 32 33.1446 50 0.1 96
IV.CAMP.HHZ. 2020-06-27T07:35:12.94 0.1 undecidable manual P 142 38.628 50 -0.32 91
IV.MML1.HNE. 2020-06-27T07:35:12.63 0.1 undecidable manual P 341 35.742 50 -0.18 94
IV.CSP1.EHZ. 2020-06-27T07:35:12.11 0.1 undecidable manual P 13 32.0457 50 -0.14 95
IV.CESI.HHZ. 2020-06-27T07:35:11.47 0.1 positive manual P 321 27.75 109 -0.05 98
IV.SMA1.EHZ. 2020-06-27T07:35:11.31 0.1 undecidable manual P 138 26.6511 109 -0.01 99
IV.MTRA.HNZ. 2020-06-27T07:35:10.63 0.1 positive manual P 105 23.4543 112 -0.08 98
IV.MMO1.EHZ. 2020-06-27T07:35:10.04 0.1 positive manual P 60 19.6692 115 0.02 100
IV.T1299.EHE. 2020-06-27T07:35:10.97 0.1 undecidable manual P 145 23.6541 111 0.22 95
IV.FDMO.HHZ. 2020-06-27T07:35:10.98 0.1 positive manual P 354 25.2525 110 -0.07 98
IV.LNSS.HHZ. 2020-06-27T07:35:10.84 0.1 positive manual P 195 23.8539 111 0.05 99
IT.MTCL.HGZ. 2020-06-27T07:35:10.57 0.1 undecidable manual P 335 22.5552 112 0.02 99
IV.FEMA.HNE. 2020-06-27T07:35:09.91 0.3 undecidable manual P 342 17.7711 118 0.23 72
IV.NRCA.HNE. 2020-06-27T07:35:09.03 0.3 undecidable manual S 353 2.5974 164 0.02 77
IV.NRCA.HNE. 2020-06-27T07:35:07.92 0.1 negative manual P 353 2.5974 164 0.32 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.9 0.0005420117 1.8976 AML other m 2020-06-27T07:35:15.95
IV.MTRA.HNE. ML:1.9 0.0005386513 0.1088 AML other m 2020-06-27T07:35:14.94
IV.MTRA.HNN. ML:2.0 0.0006124233 0.1728 AML other m 2020-06-27T07:35:15.64
IV.MTRA.EHN. ML:2.0 0.00061045415 0.1792 AML other m 2020-06-27T07:35:15.65
IV.LNSS.HNN. ML:2.0 0.0006806577 1.8208 AML other m 2020-06-27T07:35:14.05
IV.LNSS.HNE. ML:1.9 0.000576218 0.1408 AML other m 2020-06-27T07:35:14.96
IV.LNSS.HHE. ML:2.0 0.0006466538499999999 0.1984 AML other m 2020-06-27T07:35:15.29
IV.LNSS.HHN. ML:2.0 0.0007251518999999999 0.224 AML other m 2020-06-27T07:35:15.04
IV.SMA1.EHE. ML:1.7 0.0002772645 0.16 AML other m 2020-06-27T07:35:16.36
IV.SMA1.EHN. ML:1.9 0.00040218270000000003 0.1792 AML other m 2020-06-27T07:35:17.24
IV.CESI.HHE. ML:1.8 0.00038004490000000004 0.1984 AML other m 2020-06-27T07:35:16.40
IV.CESI.HNE. ML:1.8 0.000312847755 0.1088 AML other m 2020-06-27T07:35:16.14
IV.CESI.HHN. ML:2.0 0.0006066409500000001 0.1024 AML other m 2020-06-27T07:35:15.92
IV.CESI.HNN. ML:2.0 0.00053349745 0.1088 AML other m 2020-06-27T07:35:15.92
IV.CSP1.EHN. ML:1.8 0.00027318045000000003 0.096 AML other m 2020-06-27T07:35:17.48
IV.CSP1.EHE. ML:1.8 0.0002971323 0.224 AML other m 2020-06-27T07:35:17.40
IV.RM33.EHE. ML:1.6 0.00015710165 0.1216 AML other m 2020-06-27T07:35:19.74
IV.RM33.EHN. ML:1.5 0.00014671400000000002 0.096 AML other m 2020-06-27T07:35:18.75
IV.CAMP.HHE. ML:1.4 0.00009007098499999999 0.3392 AML other m 2020-06-27T07:35:18.93
IV.CAMP.HHN. ML:1.4 0.000087987505 0.2176 AML other m 2020-06-27T07:35:18.78
IV.ARRO.EHN. ML:1.5 0.00012725745 1.6992 AML other m 2020-06-27T07:35:21.86
IV.ARRO.EHE. ML:1.6 0.00014484570000000002 0.16 AML other m 2020-06-27T07:35:21.96
IV.TERO.HHN. ML:1.9 0.00022458635 1.8848 AML other m 2020-06-27T07:35:21.99
IV.TERO.HHE. ML:1.8 0.00019905155 0.1024 AML other m 2020-06-27T07:35:20.84
IV.TERO.HNN. ML:1.9 0.00022464244999999999 1.872 AML other m 2020-06-27T07:35:21.99
IV.TERO.HNE. ML:1.8 0.000203988 0.096 AML other m 2020-06-27T07:35:20.80
IV.ASSB.HHN. ML:1.8 0.00016507505 0.1408 AML other m 2020-06-27T07:35:22.10
IV.ASSB.HHE. ML:1.7 0.00014956524999999997 0.1408 AML other m 2020-06-27T07:35:22.60
IV.MOMA.HNE. ML:1.9 0.00022342060000000001 0.192 AML other m 2020-06-27T07:35:22.27
IV.MOMA.HHE. ML:1.9 0.00023514714999999997 0.1792 AML other m 2020-06-27T07:35:22.36
IV.MOMA.HHN. ML:1.6 0.00012736454999999998 0.2432 AML other m 2020-06-27T07:35:21.68
IV.CESX.HHE. ML:1.6 0.00009282801 0.4416 AML other m 2020-06-27T07:35:23.00
IV.CESX.HHN. ML:1.4 0.00007708928000000001 0.2816 AML other m 2020-06-27T07:35:25.66
IV.SNTG.HHE. ML:1.5 0.00007354981 0.1792 AML other m 2020-06-27T07:35:23.70
IV.SNTG.HHN. ML:1.4 0.000072260715 0.16 AML other m 2020-06-27T07:35:23.86
IV.MNTT.EHE. ML:2.1 0.00034577979999999994 0.2752 AML other m 2020-06-27T07:35:25.48
IV.MNTT.EHN. ML:2.2 0.00040265895 0.16 AML other m 2020-06-27T07:35:25.72
IV.OFFI.HHN. ML:1.9 0.0002025265 0.2624 AML other m 2020-06-27T07:35:25.27
IV.OFFI.HHE. ML:1.8 0.00019596045 1.2544 AML other m 2020-06-27T07:35:25.87
IV.ATCC.EHN. ML:1.7 0.000106190415 0.1152 AML other m 2020-06-27T07:35:25.57
IV.ATCC.EHE. ML:1.7 0.00009926276000000001 0.1024 AML other m 2020-06-27T07:35:25.23
IV.FIAM.HHE. ML:1.2 0.000031684145 0.3008 AML other m 2020-06-27T07:35:26.59
IV.FIAM.HHN. ML:1.1 0.00002684967 0.1984 AML other m 2020-06-27T07:35:26.90
IV.MURB.HNE. ML:2.0 0.0001595264 0.2432 AML other m 2020-06-27T07:35:29.37
IV.MURB.HHE. ML:2.0 0.00016998099999999998 0.2368 AML other m 2020-06-27T07:35:29.48
IV.VCEL.EHN. ML:1.8 0.00008738455 0.2624 AML other m 2020-06-27T07:35:34.58
IV.VCEL.EHE. ML:1.7 0.00007894565500000001 0.4032 AML other m 2020-06-27T07:35:34.59
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