Earthquake with magnitude of ML 1.7 on date 18-05-2020 and time 04:27:13 (Italy) in region 5 km E Norcia (PG)

A magnitude ML 1.7 earthquake occured in region: 5 km E Norcia (PG), on

  • 18-05-2020 02:27:13 (UTC)
  • 18-05-2020 04:27:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.78, 13.16 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.

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 5 4957 4957
Arquata del Tronto AP 12 1178 6135
Accumoli RI 12 667 6802
Castelsantangelo sul Nera MC 13 281 7083
Cascia PG 13 3217 10300
Preci PG 15 724 11024
Montegallo AP 16 523 11547
Cittareale RI 18 482 12029
Visso MC 18 1107 13136
Ussita MC 19 444 13580
Poggiodomo PG 19 117 13697
Montemonaco AP 20 604 14301
Amatrice RI 20 2657 16958

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
48 Km NE of Terni (111501 inhabitants)
51 Km NW of L'Aquila (69753 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km W of Pescara (121014 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
98 Km SW of Ancona (100861 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 1.7 2020-05-18
02:27:13
42.78 13.16 9 2020-11-19
12:36:51
Bollettino Sismico Italiano INGV 80829881
Reviewed
Rev100
ML 1.7 2020-05-18
02:27:13
42.78 13.15 9 2020-05-18
02:34:28
Sala Sismica INGV-Roma 79254361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-18 02:27:13 ± 0.05
Latitude 42.78 ± 0.00
Longitude 13.16 ± 0.00
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 80829881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 315
Semi-minor axis of confidence ellipse (meter) 132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 310
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 1.00994
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 80829881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-06 14:25:16

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 79254361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-18 02:34:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-05-18T02:28:01.66 3.0 undecidable manual S 2.72 0
IV.ATCC.EHZ. 2020-05-18T02:27:33.56 0.1 undecidable manual S 317 0.5549 50 0.55 81
IV.CRTC.HHZ. 2020-05-18T02:27:33.52 0.1 undecidable manual P 349 1.0099 50 0.92 63
IV.SNTG.HHZ. 2020-05-18T02:27:31.42 0.3 undecidable manual S 342 0.5027 50 -0.02 70
IV.MPAG.EHZ. 2020-05-18T02:27:31.18 0.1 undecidable manual P 341 0.8984 50 0.48 78
IV.FIAM.HHZ. 2020-05-18T02:27:31.74 0.1 undecidable manual S 183 0.5099 50 0.07 92
IV.MOMA.HHZ. 2020-05-18T02:27:29.79 0.3 undecidable manual S 274 0.4308 50 0.48 64
IV.CESX.HHZ. 2020-05-18T02:27:29.95 0.3 undecidable manual S 248 0.4515 50 0.03 70
IV.SAP2.EHZ. 2020-05-18T02:27:28.16 0.1 undecidable manual S 29 0.3651 50 0.79 77
IV.ARVD.HHZ. 2020-05-18T02:27:27.87 0.1 undecidable manual P 348 0.7365 50 -0.06 88
IV.ARRO.EHZ. 2020-05-18T02:27:26.93 0.1 undecidable manual S 235 0.3489 50 0.04 96
IV.TERO.HHZ. 2020-05-18T02:27:26.71 0.1 undecidable manual S 115 0.3633 50 -0.62 83
IV.FAGN.HHZ. 2020-05-18T02:27:26.11 0.3 undecidable manual P 148 0.6007 50 0.51 62
IV.GUMA.HHZ. 2020-05-18T02:27:26.07 0.1 undecidable manual S 25 0.3139 50 0.22 93
IV.CSP1.EHZ. 2020-05-18T02:27:25.62 0.1 undecidable manual S 6 0.3157 50 -0.3 91
IV.MF5.EHZ. 2020-05-18T02:27:25.95 0.1 undecidable manual S 47 0.3058 50 0.33 91
IV.CESI.HHZ. 2020-05-18T02:27:24.97 0.1 undecidable manual S 321 0.2923 50 -0.25 92
IV.ATCC.EHZ. 2020-05-18T02:27:24.82 0.1 undecidable manual P 317 0.5549 50 0 92
IV.RM33.EHZ. 2020-05-18T02:27:24.60 0.6 undecidable manual S 171 0.2716 107 0.03 49
IV.CAMP.HHZ. 2020-05-18T02:27:24.99 0.1 undecidable manual S 142 0.3049 50 -0.6 84
IT.MTCL.HGN. 2020-05-18T02:27:23.18 0.1 undecidable manual S 332 0.2446 108 -0.39 91
IV.CESX.HHZ. 2020-05-18T02:27:23.04 0.3 undecidable manual P 248 0.4515 50 0 71
IV.FIAM.HHZ. 2020-05-18T02:27:23.78 0.3 undecidable manual P 183 0.5099 50 -0.27 66
IV.FDMO.HHZ. 2020-05-18T02:27:23.76 0.1 undecidable manual S 349 0.2635 107 -0.5 88
IV.MNTT.EHZ. 2020-05-18T02:27:23.25 0.1 undecidable manual P 48 0.429 50 0.58 83
IV.SNTG.HHZ. 2020-05-18T02:27:23.64 0.1 undecidable manual P 342 0.5027 50 -0.28 88
IV.ASSB.HHZ. 2020-05-18T02:27:22.84 0.1 undecidable manual P 306 0.4506 50 -0.19 91
IV.MOMA.HHZ. 2020-05-18T02:27:22.80 0.1 undecidable manual P 274 0.4308 50 0.11 93
IV.T1299.HNZ. 2020-05-18T02:27:21.38 0.1 undecidable manual S 147 0.1709 115 0.46 90
IV.SMA1.EHZ. 2020-05-18T02:27:21.76 0.1 undecidable manual S 138 0.197 112 -0.1 97
IV.ARRO.EHZ. 2020-05-18T02:27:21.10 0.1 positive manual P 235 0.3489 50 -0.19 93
IV.MML1.HNE. 2020-05-18T02:27:21.25 0.1 undecidable manual P 338 0.3615 50 -0.26 91
IV.FEMA.HNN. 2020-05-18T02:27:21.76 0.1 undecidable manual S 337 0.2005 112 -0.2 95
IV.TERO.HHZ. 2020-05-18T02:27:21.31 0.1 undecidable manual P 115 0.3633 50 -0.23 92
IV.MTRA.EHZ. 2020-05-18T02:27:21.12 0.1 undecidable manual S 97 0.1781 115 -0.04 99
IV.LNSS.HHZ. 2020-05-18T02:27:21.82 0.1 undecidable manual S 206 0.1943 113 0.07 98
IV.PF6.EHN. 2020-05-18T02:27:21.12 0.1 undecidable manual P 4 0.3615 50 -0.38 89
IV.SAP2.EHZ. 2020-05-18T02:27:21.79 0.1 undecidable manual P 29 0.3651 50 0.22 92
IV.CAMP.HHZ. 2020-05-18T02:27:20.05 0.1 undecidable manual P 142 0.3049 50 -0.49 88
IV.GUMA.HHZ. 2020-05-18T02:27:20.67 0.1 positive manual P 25 0.3139 50 -0.02 97
IV.CESI.HHZ. 2020-05-18T02:27:20.17 0.1 undecidable manual P 321 0.2923 50 -0.16 94
IV.MMO1.EHZ. 2020-05-18T02:27:20.97 0.1 undecidable manual S 46 0.1745 115 -0.08 98
IV.CSP1.EHZ. 2020-05-18T02:27:20.40 0.1 positive manual P 6 0.3157 50 -0.33 91
IV.MF5.EHZ. 2020-05-18T02:27:20.60 0.1 positive manual P 47 0.3058 50 0.04 96
IV.MC2.EHZ. 2020-05-18T02:27:19.81 0.1 undecidable manual S 10 0.1358 121 0.07 99
IT.MTCL.HGN. 2020-05-18T02:27:19.21 0.1 undecidable manual P 332 0.2446 108 -0.16 95
IV.FDMO.HHZ. 2020-05-18T02:27:19.45 0.1 positive manual P 349 0.2635 107 -0.32 92
IV.RM33.EHZ. 2020-05-18T02:27:19.85 0.1 undecidable manual P 171 0.2716 107 -0.1 96
IV.MTRA.EHZ. 2020-05-18T02:27:18.03 0.1 negative manual P 97 0.1781 115 0.05 99
IV.LNSS.HHZ. 2020-05-18T02:27:18.49 0.1 positive manual P 206 0.1943 113 0.17 96
IV.T1299.HNZ. 2020-05-18T02:27:18.16 0.1 positive manual P 147 0.1709 115 0.32 93
IV.SMA1.EHZ. 2020-05-18T02:27:18.33 0.1 undecidable manual P 138 0.197 112 -0.06 98
IV.FEMA.HNN. 2020-05-18T02:27:18.49 0.1 undecidable manual P 337 0.2005 112 0.05 98
IV.NRCA.HNZ. 2020-05-18T02:27:17.70 0.1 undecidable manual S 331 0.0639 142 0.08 100
IV.MC2.EHZ. 2020-05-18T02:27:17.45 0.1 positive manual P 10 0.1358 121 0.29 95
IV.MMO1.EHZ. 2020-05-18T02:27:17.90 0.1 positive manual P 46 0.1745 115 -0.02 99
IV.NRCA.HNZ. 2020-05-18T02:27:16.24 0.1 negative manual P 331 0.0639 142 0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.7 0.00783 0.12 AML other m 2020-05-18T02:27:17.75
IV.NRCA.HNN. ML:2.6 0.00669 0.14 AML other m 2020-05-18T02:27:17.82
IV.NRCA.HHE. ML:2.6 0.00723 0.16 AML other m 2020-05-18T02:27:17.88
IV.NRCA.HNE. ML:2.6 0.006955 0.16 AML other m 2020-05-18T02:27:17.88
IV.MTRA.EHE. ML:2 0.0008915 0.34 AML other m 2020-05-18T02:27:21.25
IV.MTRA.HNE. ML:2 0.000887 0.34 AML other m 2020-05-18T02:27:21.25
IV.MTRA.EHN. ML:2 0.0007685 0.22 AML other m 2020-05-18T02:27:21.52
IV.MTRA.HNN. ML:2 0.000742 0.2 AML other m 2020-05-18T02:27:21.51
IV.LNSS.HNE. ML:2.3 0.0013 0.72 AML other m 2020-05-18T02:27:22.28
IV.LNSS.HHE. ML:2.3 0.00132 0.2 AML other m 2020-05-18T02:27:22.28
IV.LNSS.HNN. ML:2.2 0.001233 0.28 AML other m 2020-05-18T02:27:22.68
IV.LNSS.HHN. ML:2.3 0.00144 0.28 AML other m 2020-05-18T02:27:22.68
IV.FDMO.HHN. ML:1.5 0.000173 0.28 AML other m 2020-05-18T02:27:24.15
IV.SMA1.EHE. ML:1.7 0.000334 0.56 AML other m 2020-05-18T02:27:24.45
IV.RM33.EHN. ML:1.6 0.00019 0.3 AML other m 2020-05-18T02:27:25.04
IV.CESI.HHE. ML:1.8 0.0002685 0.42 AML other m 2020-05-18T02:27:25.41
IV.CESI.HHN. ML:1.8 0.0002595 0.24 AML other m 2020-05-18T02:27:25.42
IV.CAMP.HHE. ML:1.4 0.00011895 0.24 AML other m 2020-05-18T02:27:25.32
IV.FDMO.HHE. ML:1.6 0.000188 0.2 AML other m 2020-05-18T02:27:25.35
IV.RM33.EHE. ML:1.7 0.000247 0.56 AML other m 2020-05-18T02:27:25.63
IV.SMA1.EHN. ML:1.7 0.000364 0.42 AML other m 2020-05-18T02:27:25.68
IV.CAMP.HHN. ML:1.2 6.765E-5 1.7 AML other m 2020-05-18T02:27:26.08
IV.MF5.EHE. ML:1.8 0.000241 0.3 AML other m 2020-05-18T02:27:26.80
IV.CSP1.EHE. ML:1.8 0.0002565 0.58 AML other m 2020-05-18T02:27:26.83
IV.GUMA.HHE. ML:2 0.0004275 1.86 AML other m 2020-05-18T02:27:27.97
IV.CSP1.EHN. ML:1.9 0.000323 1.64 AML other m 2020-05-18T02:27:27.05
IV.GUMA.HNN. ML:2.1 0.000531 1.46 AML other m 2020-05-18T02:27:27.17
IV.MF5.EHN. ML:1.7 0.000202 0.26 AML other m 2020-05-18T02:27:27.14
IV.GUMA.HNE. ML:2.1 0.00049 1.32 AML other m 2020-05-18T02:27:27.96
IV.GUMA.HHN. ML:2 0.000457 1.24 AML other m 2020-05-18T02:27:27.92
IV.ARRO.EHN. ML:1.5 0.000115 0.12 AML other m 2020-05-18T02:27:28.29
IV.SAP2.EHN. ML:2.6 0.00123 0.2 AML other m 2020-05-18T02:27:28.70
IV.ARRO.EHE. ML:1.4 0.00010065 1.54 AML other m 2020-05-18T02:27:28.09
IV.TERO.HHE. ML:1.3 7.31E-5 1.06 AML other m 2020-05-18T02:27:28.40
IV.TERO.HHN. ML:1.4 8.405E-5 0.38 AML other m 2020-05-18T02:27:29.42
IV.MOMA.HHE. ML:1.7 0.000132 0.16 AML other m 2020-05-18T02:27:31.00
IV.MOMA.HNE. ML:1.8 0.000172 1.58 AML other m 2020-05-18T02:27:31.81
IV.MOMA.HHN. ML:1.6 0.0001162 0.18 AML other m 2020-05-18T02:27:31.50
IV.SAP2.EHE. ML:1.8 0.0001985 0.22 AML other m 2020-05-18T02:27:31.75
IV.CESX.HHN. ML:1.4 6.37E-5 0.56 AML other m 2020-05-18T02:27:31.78
IV.CESX.HHE. ML:1.4 6.17E-5 1.38 AML other m 2020-05-18T02:27:32.21
IV.ASSB.HHN. ML:1.4 6.96E-5 0.16 AML other m 2020-05-18T02:27:32.31
IV.FIAM.HHE. ML:1 2.605E-5 1.12 AML other m 2020-05-18T02:27:32.97
IV.SNTG.HHE. ML:1.3 4.805E-5 1 AML other m 2020-05-18T02:27:33.01
IV.ASSB.HHE. ML:1.4 6.4E-5 0.12 AML other m 2020-05-18T02:27:33.02
IV.FIAM.HHN. ML:1.1 2.92E-5 1.8 AML other m 2020-05-18T02:27:33.99
IV.SNTG.HHN. ML:1.3 4.785E-5 0.16 AML other m 2020-05-18T02:27:33.53
IV.ATCC.EHN. ML:1.5 6.03E-5 0.66 AML other m 2020-05-18T02:27:33.97
IV.MNTT.EHE. ML:2 0.0002475 0.6 AML other m 2020-05-18T02:27:34.58
IV.MNTT.EHN. ML:1.9 0.0002395 0.34 AML other m 2020-05-18T02:27:35.17
IV.ATCC.EHE. ML:1.4 4.5E-5 0.76 AML other m 2020-05-18T02:27:35.02
IV.FAGN.HHN. ML:1.6 6.95E-5 1.36 AML other m 2020-05-18T02:27:39.74
IV.MOMA.HNN. ML:2.1 0.0003625 0.62 AML other m 2020-05-18T02:27:39.44
IV.FAGN.HHE. ML:1.6 6.945E-5 0.36 AML other m 2020-05-18T02:27:40.55
IV.ARVD.HHN. ML:1.2 1.815E-5 0.9 AML other m 2020-05-18T02:27:43.49
IV.ARVD.HHE. ML:1.2 2.04E-5 1.36 AML other m 2020-05-18T02:27:43.17
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