Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 16-07-2018 and time 20:15:40 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 2.2 earthquake occured in region: 4 km E Norcia (PG), on

  • 16-07-2018 18:15:40 (UTC)
  • 16-07-2018 20:15:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1410 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 4 4957 4957
Castelsantangelo sul Nera MC 12 281 5238
Preci PG 13 724 5962
Arquata del Tronto AP 13 1178 7140
Cascia PG 13 3217 10357
Accumoli RI 14 667 11024
Visso MC 16 1107 12131
Montegallo AP 17 523 12654
Ussita MC 17 444 13098
Cerreto di Spoleto PG 19 1075 14173
Poggiodomo PG 19 117 14290
Cittareale RI 19 482 14772
Montemonaco AP 19 604 15376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
48 Km W of Teramo (54892 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km W of Pescara (121014 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 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 2.2 2018-07-16
18:15:40		 42.7918 13.141 10 2019-04-24
14:50:58		 Bollettino Sismico Italiano INGV 63633531
Reviewed
Rev100 		ML 2.3 2018-07-16
18:15:40		 42.7917 13.14 10 2018-07-16
18:23:36		 Sala Sismica INGV-Roma 58816681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-07-16 18:15:40 ± 0.05
Latitude 42.7918 ± 0.0018
Longitude 13.1410 ± 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 63633531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 343
Semi-minor axis of confidence ellipse (meter) 169
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) 340.0
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 66
Number of defining phases 53
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.15743
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 58816681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-07-16 18:23:36

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 63633531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-04 11:25:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SLCN.HHZ. 2018-07-16T18:17:07.55 3.0 undecidable manual Sn 2.49 0
GU.GSCL.HHZ. 2018-07-16T18:17:00.46 3.0 undecidable manual Sg 10.71 0
IV.MCRV.HHZ. 2018-07-16T18:17:00.67 3.0 undecidable manual Sg 8.48 0
IV.CASP.HHZ. 2018-07-16T18:16:33.30 3.0 undecidable manual Sn 1.9 0
IV.PTRJ.HNZ. 2018-07-16T18:16:32.28 3.0 undecidable manual Sn -1.48 0
IV.ARVD.HHZ. 2018-07-16T18:16:05.90 1.0 undecidable manual S 348 79.9644 50 0.81 18
IV.FAGN.HHZ. 2018-07-16T18:16:03.60 3.0 undecidable manual S 68.6757 1.53 0
IV.FOSV.EHZ. 2018-07-16T18:16:01.10 0.6 undecidable manual S 331 63.6918 50 0.36 43
IV.CING.HHZ. 2018-07-16T18:16:01.70 0.3 undecidable manual S 4 64.8906 50 0.65 59
TV.SF01.EHZ. 2018-07-16T18:16:00.85 3.0 undecidable manual P 128.4714 -1.52 0
IV.FIAM.HHZ. 2018-07-16T18:15:59.40 0.3 undecidable manual S 182 58.0974 50 0.14 68
IV.CERT.HHZ. 2018-07-16T18:15:58.77 3.0 undecidable manual P 94.4388 1.65 0
IV.SNTG.HHZ. 2018-07-16T18:15:58.30 0.1 undecidable manual S 343 53.9016 50 0.18 91
IV.INTR.HHZ. 2018-07-16T18:15:58.93 1.0 undecidable manual P 144 106.8153 50 -0.1 21
IV.GIGS.HHZ. 2018-07-16T18:15:57.10 1.0 undecidable manual S 137 51.5151 50 -0.38 22
IV.MOMA.HHZ. 2018-07-16T18:15:56.70 0.3 undecidable manual S 272 46.5201 50 0.56 63
IV.SEF1.HNN. 2018-07-16T18:15:55.20 1.0 undecidable manual S 338 42.4242 50 0.15 23
IV.T0110.HHZ. 2018-07-16T18:15:55.31 0.6 undecidable manual P 140 81.1521 50 0.22 43
IV.MURB.HHZ. 2018-07-16T18:15:54.24 3.0 negative manual P 72.2721 0.52 0
IV.TERO.HHZ. 2018-07-16T18:15:54.60 1.0 undecidable manual S 116 42.1245 50 -0.38 22
IV.VCEL.EHZ. 2018-07-16T18:15:54.16 0.6 undecidable manual P 127 72.1722 50 0.46 41
IV.ARVD.HHZ. 2018-07-16T18:15:54.64 1.0 undecidable manual P 348 79.9644 50 -0.26 21
IV.CAMP.HHZ. 2018-07-16T18:15:53.00 0.1 undecidable manual S 142 35.8419 50 -0.3 92
IV.PF6.EHN. 2018-07-16T18:15:53.70 0.1 undecidable manual S 6 38.628 50 -0.34 91
IV.TRTR.HHE. 2018-07-16T18:15:53.49 3.0 undecidable manual P 62.8926 1.22 0
IV.GUMA.HHZ. 2018-07-16T18:15:53.10 0.6 undecidable manual S 28 33.9438 50 0.31 46
IV.MML1.HNE. 2018-07-16T18:15:53.70 0.1 undecidable manual S 339 38.2284 50 -0.24 93
IV.FAGN.HHZ. 2018-07-16T18:15:53.29 3.0 positive manual P 68.6757 0.13 0
IV.FOSV.EHZ. 2018-07-16T18:15:52.63 1.0 undecidable manual P 331 63.6918 50 0.24 22
IV.CSP1.EHZ. 2018-07-16T18:15:52.50 0.1 undecidable manual S 9 33.6441 50 -0.22 94
IV.CING.HHZ. 2018-07-16T18:15:52.50 1.0 undecidable manual P 4 64.8906 50 -0.08 23
IV.RM33.EHZ. 2018-07-16T18:15:52.20 0.6 undecidable manual S 169 31.9458 50 -0.06 49
IV.CESI.HHZ. 2018-07-16T18:15:51.60 0.1 undecidable manual S 321 30.4473 50 -0.26 93
IV.FIAM.HHZ. 2018-07-16T18:15:51.27 0.3 positive manual P 182 58.0974 50 -0.26 67
IV.OFFI.HHZ. 2018-07-16T18:15:50.64 0.1 positive manual P 70 47.0196 50 0.81 76
IV.GIGS.HHZ. 2018-07-16T18:15:50.18 0.6 undecidable manual P 137 51.5151 50 -0.34 44
IV.SNTG.HHZ. 2018-07-16T18:15:50.90 0.1 positive manual P 343 53.9016 50 0.02 94
IV.MNTP.HNZ. 2018-07-16T18:15:50.36 0.3 undecidable manual P 35 46.7199 50 0.59 62
IV.CESX.HHZ. 2018-07-16T18:15:50.02 0.1 positive manual P 246 49.5171 50 -0.19 92
IV.LNSS.HHZ. 2018-07-16T18:15:49.60 0.6 undecidable manual S 201 22.5552 114 0.09 49
IV.MOMA.HHZ. 2018-07-16T18:15:49.92 0.1 undecidable manual P 272 46.5201 50 0.18 92
IV.SMA1.EHZ. 2018-07-16T18:15:49.80 0.3 undecidable manual S 138 23.8539 112 -0.16 72
IV.GAG1.HNZ. 2018-07-16T18:15:49.69 3.0 undecidable manual P 0
IV.ASSB.HHZ. 2018-07-16T18:15:49.81 3.0 positive manual P -0.08 0
IV.T1299.HNZ. 2018-07-16T18:15:49.50 0.1 undecidable manual S 147 20.9679 115 0.49 90
IV.TERO.HHZ. 2018-07-16T18:15:48.85 1.0 undecidable manual P 116 42.1245 50 -0.22 23
IV.MTRA.EHZ. 2018-07-16T18:15:48.90 0.1 undecidable manual S 101 21.1677 115 -0.19 96
IV.MML1.HNE. 2018-07-16T18:15:48.27 0.6 undecidable manual P 339 38.2284 50 -0.19 47
IV.FEMA.HNZ. 2018-07-16T18:15:48.60 0.3 undecidable manual S 339 20.2686 116 -0.21 72
IV.ARRO.EHZ. 2018-07-16T18:15:48.40 0.1 positive manual P 232 38.628 50 -0.13 95
IV.SEF1.HNN. 2018-07-16T18:15:48.95 0.1 undecidable manual P 338 42.4242 50 -0.16 93
IV.MMO1.EHZ. 2018-07-16T18:15:48.40 0.1 undecidable manual S 52 19.2696 117 -0.09 99
IV.GUMA.HHZ. 2018-07-16T18:15:48.01 0.1 positive manual P 28 33.9438 50 0.2 94
IV.PF6.EHN. 2018-07-16T18:15:48.31 0.1 positive manual P 6 38.628 50 -0.22 93
IV.CAMP.HHZ. 2018-07-16T18:15:47.89 0.1 undecidable manual P 142 35.8419 50 -0.21 94
IV.CESI.HHZ. 2018-07-16T18:15:47.18 0.1 positive manual P 321 30.4473 50 -0.09 97
IV.CSP1.EHZ. 2018-07-16T18:15:47.61 0.1 positive manual P 9 33.6441 50 -0.16 95
IV.RM33.EHZ. 2018-07-16T18:15:47.27 0.1 undecidable manual P 169 31.9458 50 -0.23 94
IV.SMA1.EHZ. 2018-07-16T18:15:46.14 0.1 undecidable manual P 138 23.8539 112 -0.03 99
IV.MMO1.EHZ. 2018-07-16T18:15:45.34 0.1 positive manual P 52 19.2696 117 0.02 100
IV.LNSS.HHZ. 2018-07-16T18:15:45.94 0.1 positive manual P 201 22.5552 114 0.03 99
IV.MTRA.EHZ. 2018-07-16T18:15:45.66 0.1 positive manual P 101 21.1677 115 -0.01 100
IV.T1299.HNZ. 2018-07-16T18:15:45.93 0.3 undecidable manual P 147 20.9679 115 0.31 71
IV.FEMA.HNZ. 2018-07-16T18:15:45.58 0.6 undecidable manual P 339 20.2686 116 0.07 49
IV.NRCA.HNZ. 2018-07-16T18:15:44.60 0.1 undecidable manual S 335 5.0949 152 -0.22 98
IV.NRCA.HNZ. 2018-07-16T18:15:43.40 0.1 negative manual P 335 5.0949 152 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:3.1 0.020550000000000002 0.18 AML other m 2018-07-16T18:15:44.83
IV.NRCA.HNE. ML:3.1 0.0206 0.16 AML other m 2018-07-16T18:15:44.83
IV.NRCA.HHN. ML:3.1 0.0225 0.14 AML other m 2018-07-16T18:15:44.74
IV.NRCA.HNN. ML:3.0 0.019100000000000002 0.14 AML other m 2018-07-16T18:15:44.81
IV.MTRA.HNE. ML:0.0 0.00413 0.34 AML other m 2018-07-16T18:15:49.28
IV.MTRA.EHE. ML:0.0 0.004347678999999999 0.32 AML other m 2018-07-16T18:15:49.29
IV.MTRA.EHN. ML:0.0 0.0034355555 0.2048 AML other m 2018-07-16T18:15:49.43
IV.MTRA.HNN. ML:0.0 0.0037130795 0.2048 AML other m 2018-07-16T18:15:49.43
IV.LNSS.HHE. ML:0.0 0.008276078 0.2048 AML other m 2018-07-16T18:15:50.09
IV.LNSS.HHN. ML:0.0 0.008102619 0.1536 AML other m 2018-07-16T18:15:49.95
IV.SMA1.EHN. ML:0.0 0.0014314450000000002 0.192 AML other m 2018-07-16T18:15:51.13
IV.CESI.HHN. ML:0.0 0.00121944 0.3456 AML other m 2018-07-16T18:15:52.24
IV.CESI.HHE. ML:0.0 0.00074477755 0.1408 AML other m 2018-07-16T18:15:51.80
IV.SMA1.EHE. ML:0.0 0.002009862 0.3584 AML other m 2018-07-16T18:15:53.59
IV.CAMP.HHE. ML:0.0 0.000330916 0.1792 AML other m 2018-07-16T18:15:53.70
IV.CAMP.HHN. ML:0.0 0.0003493661 0.2048 AML other m 2018-07-16T18:15:53.70
IV.RM33.HNE. ML:0.0 0.0006213503499999999 0.128 AML other m 2018-07-16T18:15:53.05
IV.RM33.EHE. ML:0.0 0.0005967461 0.1152 AML other m 2018-07-16T18:15:53.06
IV.GUMA.HHN. ML:0.0 0.0029774819999999996 0.3072 AML other m 2018-07-16T18:15:54.16
IV.TERO.HHE. ML:0.0 0.00050394615 0.1408 AML other m 2018-07-16T18:15:55.32
IV.ARRO.EHE. ML:0.0 0.0004399376 0.2304 AML other m 2018-07-16T18:15:56.17
IV.ARRO.EHN. ML:0.0 0.00057987915 0.2048 AML other m 2018-07-16T18:15:56.47
IV.RM33.EHN. ML:0.0 0.00070086565 0.2816 AML other m 2018-07-16T18:15:56.10
IV.RM33.HNN. ML:0.0 0.0006946381000000001 0.2048 AML other m 2018-07-16T18:15:53.49
IV.GUMA.HHE. ML:0.0 0.0028361375 0.3328 AML other m 2018-07-16T18:15:56.92
IV.TERO.HHN. ML:0.0 0.00042350434999999996 0.2432 AML other m 2018-07-16T18:15:57.33
IV.MOMA.HHN. ML:0.0 0.000540443 0.3072 AML other m 2018-07-16T18:15:57.38
IV.GIGS.HHE. ML:0.0 0.00010011606 0.1792 AML other m 2018-07-16T18:15:57.48
IV.MOMA.HHE. ML:0.0 0.001056 1.08 AML other m 2018-07-16T18:15:58.08
IV.GIGS.HHN. ML:0.0 0.00006010938 0.0768 AML other m 2018-07-16T18:15:58.54
IV.SNTG.HHE. ML:0.0 0.00018581995000000002 0.2176 AML other m 2018-07-16T18:15:59.69
IV.SNTG.HHN. ML:0.0 0.00021316525 0.128 AML other m 2018-07-16T18:15:59.22
IV.CESX.HHE. ML:0.0 0.0003208704 0.384 AML other m 2018-07-16T18:15:59.92
IV.OFFI.HHN. ML:0.0 0.00063886835 0.4352 AML other m 2018-07-16T18:15:59.23
IV.CESX.HHN. ML:0.0 0.00030440444999999997 0.2688 AML other m 2018-07-16T18:15:59.80
IV.FIAM.HHE. ML:0.0 0.0002813728 0.2432 AML other m 2018-07-16T18:16:00.71
IV.FIAM.HHN. ML:0.0 0.00027121444999999997 0.1664 AML other m 2018-07-16T18:16:00.82
IV.CING.HHN. ML:0.0 0.00032233695 0.128 AML other m 2018-07-16T18:16:02.73
IV.CING.HHE. ML:0.0 0.00034471005 0.1408 AML other m 2018-07-16T18:16:02.78
IV.FOSV.EHE. ML:0.0 0.0001482174 0.2688 AML other m 2018-07-16T18:16:03.67
IV.FOSV.EHN. ML:0.0 0.00020914545 0.3456 AML other m 2018-07-16T18:16:03.86
IV.OFFI.HHE. ML:0.0 0.00056766965 0.3328 AML other m 2018-07-16T18:16:06.28
IV.ARVD.HHN. ML:0.0 0.00007650056999999999 0.1536 AML other m 2018-07-16T18:16:07.71
IV.ARVD.HHE. ML:0.0 0.00015155025 0.1664 AML other m 2018-07-16T18:16:07.01
IV.VCEL.EHN. ML:0.0 0.00016583315 0.2176 AML other m 2018-07-16T18:16:14.02
IV.MURB.HHN. ML:0.0 0.00042263425 0.2432 AML other m 2018-07-16T18:16:08.36
IV.FAGN.HHN. ML:0.0 0.00030355495 0.448 AML other m 2018-07-16T18:16:08.73
IV.MURB.HHE. ML:0.0 0.0005457649 0.3328 AML other m 2018-07-16T18:16:09.57
IV.T0110.HHE. ML:0.0 0.00014015414999999997 0.2816 AML other m 2018-07-16T18:16:10.94
IV.FAGN.HHE. ML:0.0 0.00046480765000000003 0.3968 AML other m 2018-07-16T18:16:12.44
IV.CERT.HHE. ML:0.0 0.00020414104999999999 0.4608 AML other m 2018-07-16T18:16:15.42
IV.VCEL.EHE. ML:0.0 0.00019418885 0.3968 AML other m 2018-07-16T18:16:15.46
IV.CERT.HHN. ML:0.0 0.00012916005 0.3584 AML other m 2018-07-16T18:16:16.12
IV.T0110.HHN. ML:0.0 0.00016299275 0.3456 AML other m 2018-07-16T18:16:16.70
IV.INTR.HHN. ML:0.0 0.000102570415 0.3456 AML other m 2018-07-16T18:16:22.84
IV.INTR.HHE. ML:1.8 0.00006225 0.9 AML other m 2018-07-16T18:16:24.11
OB.GAVE.HNN. ML:0.0 0.000851683 0.1408 AML other m 2018-07-16T18:15:50.09
OB.GAVE.EHE. ML:0.0 0.002220504 0.2176 AML other m 2018-07-16T18:15:53.40
OB.GAVE.HNE. ML:0.0 0.0022481995 0.2176 AML other m 2018-07-16T18:15:53.40
OB.GAVE.EHN. ML:0.0 0.0028799495 0.1408 AML other m 2018-07-16T18:15:50.08
IV.CSP1.EHN. ML:2.0 0.00044710269999999997 0.3456 AML other m 2018-07-16T18:15:52.99
IV.GUMA.HNN. ML:2.9 0.0035732775 0.32 AML other m 2018-07-16T18:15:53.98
IV.GUMA.HNE. ML:2.9 0.0031956675 0.2432 AML other m 2018-07-16T18:15:55.40
IV.TERO.HNN. ML:1.8 0.00020508325 0.256 AML other m 2018-07-16T18:15:57.22
IV.ASSB.HHN. ML:2.2 0.00040240940000000003 0.1792 AML other m 2018-07-16T18:15:58.25
IV.ASSB.HHE. ML:2.1 0.00036609429999999996 0.2048 AML other m 2018-07-16T18:15:58.26
IV.MOMA.HNN. ML:2.4 0.0008086258 0.3456 AML other m 2018-07-16T18:15:57.38
IV.MOMA.HNE. ML:2.5 0.0009598063999999999 0.2176 AML other m 2018-07-16T18:15:58.08
IV.SNTG.HNE. ML:1.9 0.0001981049 0.9856 AML other m 2018-07-16T18:16:13.25
IV.SNTG.HNN. ML:2.0 0.00022906045 0.6528 AML other m 2018-07-16T18:16:07.24
IV.MURB.HNE. ML:2.5 0.0005265452500000001 0.3456 AML other m 2018-07-16T18:16:09.42
IV.MURB.HNN. ML:2.4 0.0003733418 0.256 AML other m 2018-07-16T18:16:08.37
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