Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-07-2019 and time 06:11:52 (Italy) in region 7 km SE Norcia (PG)

A magnitude ML 2.0 earthquake occured in region: 7 km SE Norcia (PG), on

  • 20-07-2019 04:11:52 (UTC)
  • 20-07-2019 06:11:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7310, 13.1200 at 11 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 7 4957 4957
Cascia PG 9 3217 8174
Accumoli RI 11 667 8841
Cittareale RI 13 482 9323
Poggiodomo PG 15 117 9440
Arquata del Tronto AP 15 1178 10618
Monteleone di Spoleto PG 16 599 11217
Preci PG 18 724 11941
Amatrice RI 18 2657 14598
Castelsantangelo sul Nera MC 19 281 14879
Cerreto di Spoleto PG 19 1075 15954

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SE of Foligno (57155 inhabitants)
43 Km E of Terni (111501 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
49 Km W of Teramo (54892 inhabitants)
73 Km SE of Perugia (166134 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
94 Km W of Pescara (121014 inhabitants)
96 Km W 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 2019-07-20
04:11:52		 42.7308 13.1202 11 2019-11-13
14:31:07		 Bollettino Sismico Italiano INGV 73413181
Reviewed
Rev100 		ML 2.0 2019-07-20
04:11:51		 42.7333 13.124 16 2019-07-20
04:17:50		 Sala Sismica INGV-Roma 70728121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-20 04:11:52 ± 0.08
Latitude 42.7308 ± 0.0036
Longitude 13.1202 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73413181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 427
Semi-minor axis of confidence ellipse (meter) 137
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93529
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 70728121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-20 04:17:50

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 73413181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-23 16:42:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VULT.HHZ. 2019-07-20T04:12:36.14 3.0 positive manual Pg 4.71 0
IV.IMTC.HHZ. 2019-07-20T04:12:23.64 3.0 positive manual Pn -1.08 0
IV.GATE.HHZ. 2019-07-20T04:12:21.27 3.0 undecidable manual Pn 0.42 0
IV.VCEL.EHZ. 2019-07-20T04:12:14.91 0.6 undecidable manual S 122 69.6747 50 1.65 23
IV.EL6.EHZ. 2019-07-20T04:12:12.83 0.6 undecidable manual S 359 66.378 50 0.44 42
IV.MNTT.EHZ. 2019-07-20T04:12:10.49 0.6 undecidable manual S 46 53.3022 50 1.6 25
IV.SNTG.HHZ. 2019-07-20T04:12:10.64 0.6 undecidable manual S 346 59.8956 50 -0.02 47
IV.OFFI.HHZ. 2019-07-20T04:12:10.36 0.6 undecidable manual S 64 51.3153 50 2.01 18
IV.SACS.HHZ. 2019-07-20T04:12:09.32 0.3 undecidable manual P 278 99.4227 50 0.38 60
IV.MPAG.EHZ. 2019-07-20T04:12:09.75 0.3 undecidable manual P 344 103.8183 50 0.13 63
IV.ASSB.HHZ. 2019-07-20T04:12:08.60 0.6 undecidable manual S 313 51.0156 50 0.32 45
IV.INTR.HHZ. 2019-07-20T04:12:08.61 0.3 undecidable manual P 141 102.4197 50 -0.8 52
IV.FIAM.HHZ. 2019-07-20T04:12:08.54 0.6 undecidable manual S 180 51.3153 50 0.17 46
IV.CERT.HHZ. 2019-07-20T04:12:08.09 0.6 undecidable manual P 188 87.4458 50 0.99 33
IV.SAP2.EHE. 2019-07-20T04:12:08.00 0.6 undecidable manual S 29 46.5201 50 0.93 36
IV.CESX.HHZ. 2019-07-20T04:12:07.14 0.6 undecidable manual S 253 45.621 50 0.31 45
IV.GIGS.HHZ. 2019-07-20T04:12:07.04 0.6 undecidable manual S 130 48.1185 50 -0.47 43
IV.MOMA.HHZ. 2019-07-20T04:12:07.31 0.6 undecidable manual S 280 45.5211 50 0.5 44
IV.GUMA.HHZ. 2019-07-20T04:12:06.07 0.6 undecidable manual S 25 40.7259 50 0.53 43
IV.MML1.HNE. 2019-07-20T04:12:06.32 0.6 undecidable manual S 344 44.1225 50 -0.12 47
IV.MF5.EHZ. 2019-07-20T04:12:05.82 0.6 undecidable manual S 44 39.7269 50 0.57 43
IV.T0110.HHZ. 2019-07-20T04:12:05.12 0.1 undecidable manual P 136 77.2671 50 -0.41 83
IV.VCEL.EHZ. 2019-07-20T04:12:04.19 0.1 undecidable manual P 122 69.6747 50 -0.17 89
IV.FDMO.HHZ. 2019-07-20T04:12:03.43 0.6 undecidable manual S 356 34.0437 50 -0.31 46
IV.CESI.HHZ. 2019-07-20T04:12:03.92 0.6 undecidable manual S 330 35.1426 50 -0.11 48
IV.EL6.EHZ. 2019-07-20T04:12:03.41 0.3 undecidable manual P 359 66.378 50 -0.44 63
IV.ARRO.EHZ. 2019-07-20T04:12:03.64 0.6 undecidable manual S 240 33.4443 50 0.05 49
IV.CAMP.HHZ. 2019-07-20T04:12:02.88 0.6 undecidable manual S 132 32.0457 50 -0.32 46
IV.MNTT.EHZ. 2019-07-20T04:12:02.30 0.1 undecidable manual P 46 53.3022 50 0.46 86
IV.SNTG.HHZ. 2019-07-20T04:12:02.36 0.1 undecidable manual P 346 59.8956 50 -0.5 84
IV.FIAM.HHZ. 2019-07-20T04:12:01.56 0.3 undecidable manual P 180 51.3153 50 0.03 71
IV.OFFI.HHZ. 2019-07-20T04:12:01.96 0.1 positive manual P 64 51.3153 50 0.44 87
IV.SAP2.EHE. 2019-07-20T04:12:01.29 0.3 undecidable manual P 29 46.5201 50 0.51 64
IV.FEMA.HNE. 2019-07-20T04:12:01.60 0.6 undecidable manual S 347 26.2515 50 -0.08 49
IV.MMO1.EHZ. 2019-07-20T04:12:01.09 0.6 undecidable manual S 42 25.1526 50 -0.28 47
IV.ASSB.HHZ. 2019-07-20T04:12:01.15 0.1 positive manual P 313 51.0156 50 -0.33 89
IV.RM33.EHZ. 2019-07-20T04:12:01.63 0.6 undecidable manual S 163 25.752 50 0.09 49
IV.GIGS.HHZ. 2019-07-20T04:12:00.45 0.1 positive manual P 130 48.1185 50 -0.59 84
IV.MML1.HNE. 2019-07-20T04:12:00.01 0.1 undecidable manual P 344 44.1225 50 -0.41 89
IV.MTRA.EHZ. 2019-07-20T04:12:00.36 0.6 undecidable manual S 83 22.6551 50 -0.36 47
IV.MOMA.HHZ. 2019-07-20T04:12:00.57 0.1 undecidable manual P 280 45.5211 50 -0.07 95
IV.SMA1.EHZ. 2019-07-20T04:12:00.44 0.6 undecidable manual S 122 20.7681 50 0.23 48
IV.CESX.HHZ. 2019-07-20T04:12:00.52 0.3 undecidable manual P 253 45.621 50 -0.12 70
IV.GAVE.EHZ. 2019-07-20T04:12:00.10 0.6 undecidable manual S 257 18.87 50 0.39 47
IV.MC2.EHZ. 2019-07-20T04:12:00.49 0.6 undecidable manual S 16 20.7681 50 0.28 48
IV.T1299.HNN. 2019-07-20T04:11:59.51 0.6 undecidable manual S 129 16.9719 50 0.31 47
IV.LNSS.HHZ. 2019-07-20T04:11:59.32 0.6 undecidable manual S 205 15.5733 50 0.49 45
IV.MF5.EHZ. 2019-07-20T04:11:59.68 0.1 undecidable manual P 44 39.7269 50 -0.06 96
IV.GUMA.HHZ. 2019-07-20T04:11:59.91 0.1 undecidable manual P 25 40.7259 50 0.01 97
IV.CESI.HHZ. 2019-07-20T04:11:58.78 0.1 undecidable manual P 330 35.1426 50 -0.25 93
IV.ARRO.EHZ. 2019-07-20T04:11:58.80 0.1 undecidable manual P 240 33.4443 50 0.02 98
IV.CAMP.HHZ. 2019-07-20T04:11:58.27 0.1 positive manual P 132 32.0457 50 -0.28 93
IV.FDMO.HHZ. 2019-07-20T04:11:58.46 0.1 undecidable manual P 356 34.0437 50 -0.4 90
IV.MMO1.EHZ. 2019-07-20T04:11:57.18 0.1 positive manual P 42 25.1526 50 -0.32 94
IV.NRCA.HNZ. 2019-07-20T04:11:57.73 0.6 undecidable manual S 358 11.3775 134 0.02 50
IV.RM33.EHZ. 2019-07-20T04:11:57.53 0.1 undecidable manual P 163 25.752 50 -0.06 98
IV.FEMA.HNE. 2019-07-20T04:11:57.37 0.1 undecidable manual P 347 26.2515 50 -0.3 94
IV.GAVE.EHZ. 2019-07-20T04:11:56.69 0.1 undecidable manual P 257 18.87 50 0.16 98
IV.MC2.EHZ. 2019-07-20T04:11:56.70 0.1 undecidable manual P 16 20.7681 50 -0.13 98
IV.T1299.HNN. 2019-07-20T04:11:56.40 0.1 undecidable manual P 129 16.9719 50 0.16 97
IV.MTRA.EHZ. 2019-07-20T04:11:56.81 0.1 undecidable manual P 83 22.6551 50 -0.31 94
IV.LNSS.HHZ. 2019-07-20T04:11:56.28 0.1 undecidable manual P 205 15.5733 50 0.25 96
IV.SMA1.EHZ. 2019-07-20T04:11:56.77 0.1 positive manual P 122 20.7681 50 -0.05 100
IV.NRCA.HNZ. 2019-07-20T04:11:55.43 0.1 undecidable manual P 358 11.3775 134 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.5 0.003605 0.2 AML other m 2019-07-20T04:11:57.91
IV.NRCA.HNE. ML:2.5 0.0037099999999999998 0.18 AML other m 2019-07-20T04:11:57.91
IV.NRCA.HHN. ML:2.6 0.004715 0.08 AML other m 2019-07-20T04:11:57.81
IV.NRCA.HNN. ML:2.6 0.004035 1.04 AML other m 2019-07-20T04:11:58.82
IV.LNSS.HHE. ML:2.2 0.0015400000000000001 0.14 AML other m 2019-07-20T04:11:59.64
IV.LNSS.HNE. ML:2.2 0.0013900000000000002 0.14 AML other m 2019-07-20T04:11:59.64
IV.LNSS.HNN. ML:2.2 0.001315 0.86 AML other m 2019-07-20T04:11:59.85
IV.LNSS.HHN. ML:2.2 0.0013399999999999998 0.86 AML other m 2019-07-20T04:11:59.85
IV.GAVE.HNN. ML:2.1 0.001053 0.24 AML other m 2019-07-20T04:12:00.36
IV.GAVE.EHN. ML:2.7 0.003585 0.26 AML other m 2019-07-20T04:12:00.37
IV.GAVE.HNE. ML:2.7 0.003755 0.16 AML other m 2019-07-20T04:12:00.44
IV.GAVE.EHE. ML:2.7 0.0038399999999999997 0.3 AML other m 2019-07-20T04:12:00.45
IV.MTRA.HNE. ML:2.3 0.001209 0.68 AML other m 2019-07-20T04:12:00.25
IV.MTRA.EHE. ML:2.3 0.0012050000000000001 0.68 AML other m 2019-07-20T04:12:00.25
IV.MTRA.EHN. ML:2.0 0.0006919999999999999 1.78 AML other m 2019-07-20T04:12:01.99
IV.MTRA.HNN. ML:2.0 0.0006979999999999999 1.78 AML other m 2019-07-20T04:12:01.99
IV.SMA1.EHE. ML:2.3 0.001335 0.22 AML other m 2019-07-20T04:12:01.26
IV.SMA1.EHN. ML:2.1 0.0009895000000000001 0.5 AML other m 2019-07-20T04:12:01.53
IV.RM33.EHE. ML:2.2 0.0008465 0.48 AML other m 2019-07-20T04:12:02.56
IV.RM33.HNE. ML:2.1 0.000773 0.56 AML other m 2019-07-20T04:12:02.56
IV.RM33.HNN. ML:2.2 0.0008169999999999999 1.48 AML other m 2019-07-20T04:12:02.03
IV.RM33.EHN. ML:2.1 0.0007025 1.48 AML other m 2019-07-20T04:12:02.03
IV.CAMP.HHE. ML:1.6 0.00015900000000000002 1.26 AML other m 2019-07-20T04:12:03.18
IV.FDMO.HHN. ML:1.9 0.000358 0.52 AML other m 2019-07-20T04:12:03.91
IV.CESI.HHN. ML:2.1 0.0004535 0.26 AML other m 2019-07-20T04:12:04.59
IV.FDMO.HHE. ML:1.8 0.00028849999999999997 1.26 AML other m 2019-07-20T04:12:04.16
IV.ARRO.EHN. ML:1.9 0.0003115 0.18 AML other m 2019-07-20T04:12:04.96
IV.CAMP.HHN. ML:1.5 0.00014749999999999998 1.58 AML other m 2019-07-20T04:12:04.12
IV.ARRO.EHE. ML:1.8 0.0002895 0.16 AML other m 2019-07-20T04:12:05.42
IV.CESI.HHE. ML:1.9 0.00033899999999999995 1.58 AML other m 2019-07-20T04:12:06.79
IV.MF5.EHN. ML:1.7 0.00018449999999999999 0.74 AML other m 2019-07-20T04:12:06.78
IV.GUMA.HHE. ML:2.1 0.0004 0.22 AML other m 2019-07-20T04:12:06.72
IV.GIGS.HHN. ML:1.6 0.00010499999999999999 0.9 AML other m 2019-07-20T04:12:07.25
IV.GUMA.HHN. ML:2.2 0.00047 0.62 AML other m 2019-07-20T04:12:07.19
IV.GIGS.HHE. ML:1.4 0.0000739 0.12 AML other m 2019-07-20T04:12:07.52
IV.CESX.HHN. ML:1.7 0.00014749999999999998 0.62 AML other m 2019-07-20T04:12:08.40
IV.GUMA.HNN. ML:2.5 0.001125 1.1 AML other m 2019-07-20T04:12:08.11
IV.MOMA.HNN. ML:1.9 0.000247 1.56 AML other m 2019-07-20T04:12:08.15
IV.FIAM.HHE. ML:1.2 0.00004704999999999999 0.82 AML other m 2019-07-20T04:12:08.48
IV.MOMA.HNE. ML:1.9 0.00024249999999999999 0.88 AML other m 2019-07-20T04:12:08.91
IV.MOMA.HHE. ML:1.9 0.000209 0.16 AML other m 2019-07-20T04:12:08.91
IV.GUMA.HNE. ML:1.9 0.00028700000000000004 1.02 AML other m 2019-07-20T04:12:09.69
IV.MOMA.HHN. ML:1.9 0.00021400000000000002 0.14 AML other m 2019-07-20T04:12:09.45
IV.CESX.HHE. ML:1.7 0.00014850000000000003 0.32 AML other m 2019-07-20T04:12:09.72
IV.ASSB.HHN. ML:1.9 0.0001985 0.18 AML other m 2019-07-20T04:12:10.00
IV.FIAM.HHN. ML:1.2 0.000044699999999999996 1.72 AML other m 2019-07-20T04:12:10.87
IV.ASSB.HHE. ML:2.0 0.000265 0.58 AML other m 2019-07-20T04:12:10.38
IV.MF5.EHE. ML:1.6 0.00014769999999999999 0.5 AML other m 2019-07-20T04:12:10.64
IV.OFFI.HHN. ML:2.3 0.0005769999999999999 0.64 AML other m 2019-07-20T04:12:10.94
IV.OFFI.HHE. ML:2.2 0.00036050000000000003 0.18 AML other m 2019-07-20T04:12:11.06
IV.MNTT.EHN. ML:2.2 0.0004235 0.38 AML other m 2019-07-20T04:12:11.20
IV.MNTT.EHE. ML:2.1 0.0002945 0.62 AML other m 2019-07-20T04:12:11.14
IV.SNTG.HHE. ML:1.6 0.00008024999999999999 1.28 AML other m 2019-07-20T04:12:12.18
IV.SNTG.HHN. ML:1.6 0.0000785 0.6 AML other m 2019-07-20T04:12:12.26
IV.EL6.EHE. ML:1.8 0.0001079 0.66 AML other m 2019-07-20T04:12:13.40
IV.VCEL.EHE. ML:1.9 0.00014000000000000001 0.24 AML other m 2019-07-20T04:12:15.40
IV.VCEL.EHN. ML:2.0 0.00015050000000000003 0.68 AML other m 2019-07-20T04:12:15.76
IV.EL6.EHN. ML:1.8 0.000124 1.48 AML other m 2019-07-20T04:12:19.12
IV.T0110.HHN. ML:1.8 0.00008345 0.44 AML other m 2019-07-20T04:12:21.39
IV.T0110.HHE. ML:1.8 0.00008655 0.5 AML other m 2019-07-20T04:12:24.38
IV.INTR.HHE. ML:1.4 0.0000247 1.52 AML other m 2019-07-20T04:12:30.02
IV.INTR.HHN. ML:1.7 0.00004285 0.42 AML other m 2019-07-20T04:12:35.24
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