Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 11-05-2019 and time 21:19:23 (Italy) in region 4 km NW Norcia (PG)

A magnitude ML 2.1 earthquake occured in region: 4 km NW Norcia (PG), on

  • 11-05-2019 19:19:23 (UTC)
  • 11-05-2019 21:19:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8250, 13.0650 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
Preci PG 6 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Visso MC 12 1107 7069
Cerreto di Spoleto PG 12 1075 8144
Cascia PG 13 3217 11361
Sellano PG 13 1079 12440
Ussita MC 15 444 12884
Poggiodomo PG 16 117 13001
Vallo di Nera PG 18 364 13365
Monte Cavallo MC 20 145 13510
Arquata del Tronto AP 20 1178 14688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
63 Km SE of Perugia (166134 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 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 2.1 2019-05-11
19:19:23		 42.8248 13.0652 10 2019-11-13
14:30:50		 Bollettino Sismico Italiano INGV 68506771
Reviewed
Rev100 		ML 2.1 2019-05-11
19:19:23		 42.8258 13.0687 10 2019-05-11
19:30:52		 Sala Sismica INGV-Roma 68450611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-11 19:19:23 ± 0.04
Latitude 42.8248 ± 0.0027
Longitude 13.0652 ± 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 68506771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 268
Semi-minor axis of confidence ellipse (meter) 224
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
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 73
Number of defining phases 57
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) 0.79320
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 58
Type of magnitude ML
Reference to an origin 68506771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-13 11:09:41

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 58
Type of magnitude ML
Reference to an origin 68450611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-11 19:30:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHZ. 2019-05-11T19:19:54.59 3.0 undecidable manual S 0.1 0
IV.RIBO.EHZ.01 2019-05-11T19:19:50.33 3.0 undecidable manual P 0.31 0
IV.ARVD.HHZ. 2019-05-11T19:19:48.13 3.0 undecidable manual S 0.14 0
IV.CAFI.HHZ. 2019-05-11T19:19:42.42 3.0 negative manual P 0.1 0
IV.VVLD.HHZ. 2019-05-11T19:19:42.74 3.0 undecidable manual P -1.13 0
IV.GIGS.HHZ. 2019-05-11T19:19:41.52 0.6 undecidable manual S 135 58.497 50 -0.37 44
IV.TERO.HHZ. 2019-05-11T19:19:39.17 0.6 undecidable manual S 117 49.3173 50 -0.28 46
IV.PIEI.HHZ. 2019-05-11T19:19:39.39 3.0 undecidable manual P -0.33 0
IV.T0110.HHZ. 2019-05-11T19:19:38.82 0.6 undecidable manual P 138 88.0452 50 0.11 44
IV.ATVO.HHZ. 2019-05-11T19:19:38.32 3.0 undecidable manual P -0.05 0
IV.CESX.HHZ. 2019-05-11T19:19:38.82 0.6 undecidable manual S 239 45.8208 50 0.31 46
IV.ASSB.HHZ. 2019-05-11T19:19:37.04 0.3 undecidable manual S 306 40.9257 50 -0.16 72
IV.VCEL.EHZ. 2019-05-11T19:19:37.53 0.6 undecidable manual P 127 79.2651 50 0.16 45
IV.CAMP.HHZ. 2019-05-11T19:19:37.38 0.3 undecidable manual S 139 42.624 50 -0.28 70
IV.MOMA.HHZ. 2019-05-11T19:19:37.50 0.6 undecidable manual S 267 40.3263 50 0.44 45
IV.FAGN.HHZ. 2019-05-11T19:19:37.39 0.6 undecidable manual P 145 75.1692 50 0.66 39
IV.SAP2.EHZ. 2019-05-11T19:19:37.46 0.6 undecidable manual S 42 40.5261 50 0.35 46
IV.MGAB.HHZ. 2019-05-11T19:19:37.69 3.0 positive manual P -0.1 0
IV.RM33.EHZ. 2019-05-11T19:19:36.39 0.3 undecidable manual S 161 37.1295 50 0.2 72
IV.SSFR.HHZ. 2019-05-11T19:19:36.80 3.0 undecidable manual P 0.11 0
IV.ARRO.EHZ. 2019-05-11T19:19:36.16 0.6 undecidable manual S 222 36.6411 50 0.1 49
IV.MURB.HHZ. 2019-05-11T19:19:36.39 3.0 negative manual P 0.73 0
IV.MF5.EHZ. 2019-05-11T19:19:36.76 0.3 undecidable manual S 60 36.8298 50 0.65 63
IV.TRTR.HHZ. 2019-05-11T19:19:36.96 0.6 undecidable manual P 91 69.0753 50 1.16 32
IT.FOPC.HGZ. 2019-05-11T19:19:35.68 3.0 undecidable manual S 0.34 0
IV.GUMA.HHZ. 2019-05-11T19:19:35.79 0.3 undecidable manual S 40 34.3434 50 0.35 70
IV.FIAM.HHZ. 2019-05-11T19:19:34.72 0.6 undecidable manual P 176 61.8936 50 0.02 47
IV.SMA1.EHZ. 2019-05-11T19:19:34.32 0.3 undecidable manual S 134 30.8469 50 -0.19 73
IV.MML1.HNZ. 2019-05-11T19:19:34.77 0.3 undecidable manual S 347 32.9448 50 -0.29 71
IV.CSP1.EHZ. 2019-05-11T19:19:34.56 0.3 undecidable manual S 21 31.746 50 -0.19 73
IV.ARVD.HHZ. 2019-05-11T19:19:34.50 3.0 undecidable manual P -2.81 0
IV.MTRA.EHZ. 2019-05-11T19:19:33.58 0.3 undecidable manual S 106 28.0497 50 -0.19 73
IV.T1299.EHZ. 2019-05-11T19:19:33.44 0.3 undecidable manual S 140 27.5502 50 -0.21 73
IV.MNTT.EHZ. 2019-05-11T19:19:33.49 0.6 undecidable manual P 58 50.5161 50 0.56 43
IV.GIGS.HHZ. 2019-05-11T19:19:33.65 0.3 undecidable manual P 135 58.497 50 -0.51 64
IV.ATCC.EHZ. 2019-05-11T19:19:33.26 3.0 positive manual P -0.31 0
IV.OFFI.HHZ. 2019-05-11T19:19:33.93 0.6 undecidable manual P 76 51.9036 50 0.78 39
IV.FDMO.HHZ. 2019-05-11T19:19:32.07 0.6 undecidable manual S 4 23.5542 113 -0.41 47
IV.TERO.HHZ. 2019-05-11T19:19:32.66 0.3 undecidable manual P 117 49.3173 50 -0.09 72
IV.CESI.HHZ. 2019-05-11T19:19:32.37 0.3 undecidable manual S 327 23.8539 113 -0.22 73
IV.LNSS.HHZ. 2019-05-11T19:19:32.78 0.3 undecidable manual S 185 24.753 112 -0.08 75
IV.MNTP.HNZ. 2019-05-11T19:19:32.96 0.6 undecidable manual P 43 47.7189 50 0.46 44
IV.CESX.HHZ. 2019-05-11T19:19:32.14 0.3 undecidable manual P 239 45.8208 50 -0.07 72
IV.MMO1.EHZ. 2019-05-11T19:19:31.81 0.3 undecidable manual S 69 22.8549 114 -0.44 70
IV.SAP2.EHZ. 2019-05-11T19:19:31.59 0.3 undecidable manual P 42 40.5261 50 0.19 71
IV.ASSB.HHZ. 2019-05-11T19:19:31.26 0.3 undecidable manual P 306 40.9257 50 -0.2 71
IV.CAMP.HHZ. 2019-05-11T19:19:31.47 0.3 undecidable manual P 139 42.624 50 -0.25 70
IV.GAVE.HNZ. 2019-05-11T19:19:31.68 0.3 undecidable manual S 223 20.2686 116 0.23 73
IV.MOMA.HHZ. 2019-05-11T19:19:31.35 0.3 undecidable manual P 267 40.3263 50 -0.02 74
IV.GUMA.HHZ. 2019-05-11T19:19:30.48 0.3 undecidable manual P 40 34.3434 50 0.04 74
IV.MF5.EHZ. 2019-05-11T19:19:30.98 0.3 undecidable manual P 60 36.8298 50 0.15 72
IV.PF6.EHZ. 2019-05-11T19:19:30.51 0.6 undecidable manual P 17 36.2415 50 -0.23 48
IT.FOPC.HGZ. 2019-05-11T19:19:30.51 3.0 undecidable manual P 0.13 0
IT.MTCL.HGZ. 2019-05-11T19:19:30.86 3.0 undecidable manual S -0.32 0
IV.RM33.EHZ. 2019-05-11T19:19:30.68 0.3 undecidable manual P 161 37.1295 50 -0.19 72
IV.ARRO.EHZ. 2019-05-11T19:19:30.84 0.3 undecidable manual P 222 36.6411 50 0.05 74
IV.MC2.EHZ. 2019-05-11T19:19:29.79 0.3 undecidable manual S 46 13.875 126 0.23 74
IV.FEMA.HNZ. 2019-05-11T19:19:29.93 0.6 undecidable manual S 355 15.2736 123 -0.01 52
IV.MTRA.EHZ. 2019-05-11T19:19:29.28 0.3 undecidable manual P 106 28.0497 50 -0.19 73
IV.T1299.EHZ. 2019-05-11T19:19:29.47 0.3 undecidable manual P 140 27.5502 50 0.07 75
IV.SMA1.EHZ. 2019-05-11T19:19:29.73 0.3 undecidable manual P 134 30.8469 50 -0.17 73
IV.MML1.HNZ. 2019-05-11T19:19:29.90 0.3 undecidable manual P 347 32.9448 50 -0.32 70
IV.CSP1.EHZ. 2019-05-11T19:19:29.77 0.3 undecidable manual P 21 31.746 50 -0.26 71
IV.LNSS.HHZ. 2019-05-11T19:19:28.84 0.1 undecidable manual P 185 24.753 112 -0.1 100
IV.GAVE.HNZ. 2019-05-11T19:19:28.35 0.3 undecidable manual P 223 20.2686 116 0.22 74
IV.MMO1.EHZ. 2019-05-11T19:19:28.39 0.1 undecidable manual P 69 22.8549 114 -0.21 98
IV.FDMO.HHZ. 2019-05-11T19:19:28.50 0.1 undecidable manual P 4 23.5542 113 -0.23 97
IV.CESI.HHZ. 2019-05-11T19:19:28.69 0.1 undecidable manual P 327 23.8539 113 -0.1 100
IV.MC2.EHZ. 2019-05-11T19:19:27.24 0.1 undecidable manual P 46 13.875 126 0.2 99
IV.FEMA.HNZ. 2019-05-11T19:19:27.43 0.3 undecidable manual P 355 15.2736 123 0.17 75
IV.NRCA.HHZ. 2019-05-11T19:19:27.42 0.3 undecidable manual S 77 4.0959 158 0.05 78
IT.MTCL.HGZ. 2019-05-11T19:19:27.94 3.0 undecidable manual P -0.05 0
IV.NRCA.HHZ. 2019-05-11T19:19:26.03 0.1 undecidable manual P 77 4.0959 158 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNN. ML:2.4 0.0023250000000000002 0.54 AML other m 2019-05-11T19:19:30.17
IV.FEMA.HNE. ML:2.3 0.00198 0.16 AML other m 2019-05-11T19:19:30.49
IV.GAVE.HNN. ML:2.0 0.0007225 1.84 AML other m 2019-05-11T19:19:31.05
IV.GAVE.EHN. ML:2.6 0.002590087 1.8592 AML other m 2019-05-11T19:19:31.05
IV.GAVE.HNE. ML:2.5 0.0021180979999999997 0.1792 AML other m 2019-05-11T19:19:32.17
IV.GAVE.EHE. ML:2.5 0.0021515005 0.1792 AML other m 2019-05-11T19:19:32.17
IV.FDMO.HHE. ML:2.1 0.0008375 0.14 AML other m 2019-05-11T19:19:32.26
IV.CESI.HNN. ML:2.5 0.0019133295 0.3072 AML other m 2019-05-11T19:19:32.64
IV.CESI.HHN. ML:2.5 0.001975 0.3 AML other m 2019-05-11T19:19:32.64
IV.FDMO.HHN. ML:2.1 0.0008233413000000001 0.1408 AML other m 2019-05-11T19:19:32.78
IV.CESI.HNE. ML:2.1 0.0007436416000000001 0.1792 AML other m 2019-05-11T19:19:32.98
IV.CESI.HHE. ML:2.2 0.0009075 0.44 AML other m 2019-05-11T19:19:32.98
IV.MTRA.EHN. ML:2.2 0.0009295 1.38 AML other m 2019-05-11T19:19:34.03
IV.CSP1.EHN. ML:2.4 0.00124 0.58 AML other m 2019-05-11T19:19:34.54
IV.CSP1.EHE. ML:2.3 0.0008629999999999999 0.26 AML other m 2019-05-11T19:19:35.18
IV.MTRA.EHE. ML:2.4 0.0013015 0.2 AML other m 2019-05-11T19:19:35.27
IV.SMA1.EHN. ML:2.1 0.000571 0.26 AML other m 2019-05-11T19:19:37.37
IV.ARRO.EHN. ML:2.0 0.0003985 0.46 AML other m 2019-05-11T19:19:37.15
IV.MF5.EHE. ML:2.4 0.0009525 0.38 AML other m 2019-05-11T19:19:37.25
IV.RM33.EHN. ML:2.0 0.00034849999999999996 0.12 AML other m 2019-05-11T19:19:37.63
IV.RM33.HNN. ML:2.0 0.00037 0.52 AML other m 2019-05-11T19:19:37.63
IV.ASSB.HHN. ML:2.1 0.0004125 0.16 AML other m 2019-05-11T19:19:37.62
IV.MF5.EHN. ML:2.2 0.000568 0.52 AML other m 2019-05-11T19:19:38.28
IV.RM33.HNE. ML:1.9 0.000326 1.28 AML other m 2019-05-11T19:19:38.74
IV.RM33.EHE. ML:1.9 0.0003135 0.76 AML other m 2019-05-11T19:19:38.48
IV.ASSB.HHE. ML:1.9 0.00029549999999999997 0.82 AML other m 2019-05-11T19:19:38.71
IV.MOMA.HHN. ML:2.1 0.0004325 0.36 AML other m 2019-05-11T19:19:39.32
IV.ARRO.EHE. ML:2.0 0.0003385512 0.1792 AML other m 2019-05-11T19:19:39.73
IV.MOMA.HNE. ML:2.2 0.000561 0.58 AML other m 2019-05-11T19:19:40.02
IV.MOMA.HHE. ML:2.2 0.000524 0.58 AML other m 2019-05-11T19:19:40.02
IV.MOMA.HNN. ML:2.1 0.00040100000000000004 0.54 AML other m 2019-05-11T19:19:40.32
IV.TERO.HNN. ML:1.8 0.000166 1.1 AML other m 2019-05-11T19:19:40.74
IV.SMA1.EHE. ML:2.0 0.0005281495000000001 0.384 AML other m 2019-05-11T19:19:40.87
IV.TERO.HHE. ML:2.0 0.0002915 1.5 AML other m 2019-05-11T19:19:40.05
IV.TERO.HNE. ML:1.8 0.000156 1.48 AML other m 2019-05-11T19:19:40.80
IV.TERO.HHN. ML:2.0 0.000247 0.5 AML other m 2019-05-11T19:19:41.32
IV.ATCC.EHN. ML:2.0 0.0002135 0.36 AML other m 2019-05-11T19:19:43.91
IV.OFFI.HHE. ML:2.1 0.00031800000000000003 0.78 AML other m 2019-05-11T19:19:44.34
IV.MURB.HNN. ML:2.4 0.0005450949000000001 0.3328 AML other m 2019-05-11T19:19:47.55
IV.MURB.HHN. ML:2.4 0.0005340000000000001 0.34 AML other m 2019-05-11T19:19:47.55
IV.MURB.HHE. ML:2.4 0.0004735 1.76 AML other m 2019-05-11T19:19:47.06
IV.MURB.HNE. ML:2.3 0.00036737710000000004 1.7568 AML other m 2019-05-11T19:19:47.06
IV.OFFI.HHN. ML:2.1 0.00033008165 1.5136 AML other m 2019-05-11T19:19:47.20
IV.MGAB.HHN. ML:2.0 0.00013800000000000002 0.28 AML other m 2019-05-11T19:19:50.16
IV.ATCC.EHE. ML:1.9 0.000174 1.38 AML other m 2019-05-11T19:19:51.04
IV.MGAB.HHE. ML:2.0 0.00015300000000000003 0.56 AML other m 2019-05-11T19:19:51.32
IV.VCEL.EHN. ML:1.9 0.00011515834 0.2176 AML other m 2019-05-11T19:19:51.77
IV.T0110.HHE. ML:1.9 0.000104590995 0.32 AML other m 2019-05-11T19:19:51.92
IV.MGAB.HNN. ML:2.0 0.0001325 0.24 AML other m 2019-05-11T19:19:52.17
IV.MGAB.HNE. ML:2.0 0.0001475 1.6 AML other m 2019-05-11T19:19:52.89
IV.SSFR.HHN. ML:2.2 0.00023799999999999998 0.2 AML other m 2019-05-11T19:19:53.44
IV.SSFR.HNN. ML:2.2 0.0002476975 0.1792 AML other m 2019-05-11T19:19:53.45
IV.SSFR.HNE. ML:2.1 0.0002252574 0.2816 AML other m 2019-05-11T19:19:53.46
IV.SSFR.HHE. ML:2.1 0.00020899999999999998 0.72 AML other m 2019-05-11T19:19:53.46
IV.VCEL.EHE. ML:2.0 0.00013581985000000001 0.2816 AML other m 2019-05-11T19:19:53.67
IV.FAGN.HHN. ML:2.0 0.000136 0.3 AML other m 2019-05-11T19:19:58.08
IV.FAGN.HHE. ML:2.0 0.000141 0.32 AML other m 2019-05-11T19:19:59.68
IV.T0110.HHN. ML:1.9 0.0000973479 0.4608 AML other m 2019-05-11T19:20:05.48
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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