Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 03-04-2019 and time 15:22:01 (Italy) in region 5 km E Norcia (PG)

A magnitude ML 2.1 earthquake occured in region: 5 km E Norcia (PG), on

  • 03-04-2019 13:22:01 (UTC)
  • 03-04-2019 15:22:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7870, 13.1560 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 5 4957 4957
Arquata del Tronto AP 12 1178 6135
Castelsantangelo sul Nera MC 12 281 6416
Accumoli RI 13 667 7083
Cascia PG 14 3217 10300
Preci PG 14 724 11024
Montegallo AP 16 523 11547
Visso MC 17 1107 12654
Ussita MC 18 444 13098
Cittareale RI 19 482 13580
Montemonaco AP 19 604 14184
Poggiodomo PG 20 117 14301
Cerreto di Spoleto PG 20 1075 15376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
94 Km W of Pescara (121014 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
97 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 2.1 2019-04-03
13:22:01		 42.7872 13.156 11 2019-08-22
08:24:56		 Bollettino Sismico Italiano INGV 67603261
Reviewed
Rev100 		ML 2.1 2019-04-03
13:22:01		 42.7887 13.1522 11 2019-04-03
13:27:50		 Sala Sismica INGV-Roma 67221751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-03 13:22:01 ± 0.03
Latitude 42.7872 ± 0.0018
Longitude 13.1560 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67603261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 219
Semi-minor axis of confidence ellipse (meter) 136
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72755
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 67221751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-03 13:27:50

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 67603261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-15 10:30:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2019-04-03T13:23:00.02 3.0 undecidable manual Sg 1.8 0
IV.VVLD.HHZ. 2019-04-03T13:22:22.37 3.0 undecidable manual P 1.05 0
IV.MOMA.HHZ. 2019-04-03T13:22:17.36 0.6 undecidable manual S 272 47.7189 50 0.23 46
IV.ARVD.HHZ. 2019-04-03T13:22:15.92 0.3 undecidable manual P 348 80.7636 50 0.17 65
IV.SSFR.HHZ. 2019-04-03T13:22:15.69 0.6 undecidable manual P 337 78.0663 50 0.35 42
IV.PF6.EHZ. 2019-04-03T13:22:14.65 0.3 undecidable manual S 5 39.0276 50 -0.16 70
IV.MURB.HHZ. 2019-04-03T13:22:14.86 0.1 undecidable manual P 316 73.5708 50 0.22 87
IV.MML1.HNZ. 2019-04-03T13:22:14.88 0.3 undecidable manual S 338 39.1275 50 0.03 73
IV.CSP1.EHZ. 2019-04-03T13:22:13.52 0.3 undecidable manual S 7 34.0437 50 0.05 73
IV.CAMP.HHZ. 2019-04-03T13:22:13.53 0.3 undecidable manual S 143 34.743 50 -0.12 71
IV.FIAM.HNN. 2019-04-03T13:22:12.04 0.6 undecidable manual P 183 57.6978 50 -0.16 45
IV.RM33.EHZ. 2019-04-03T13:22:12.69 0.3 undecidable manual S 171 31.2465 50 -0.04 73
IV.ATCC.EHZ. 2019-04-03T13:22:12.86 0.3 undecidable manual P 317 60.8946 50 0.18 68
IV.EL6.EHZ. 2019-04-03T13:22:12.59 0.3 undecidable manual P 356 60.2952 50 -0.01 70
IV.CESI.HHZ. 2019-04-03T13:22:12.80 0.1 undecidable manual S 320 31.6461 50 -0.03 97
IV.FOSV.EHZ. 2019-04-03T13:22:12.85 0.6 undecidable manual P 331 64.7907 50 -0.44 42
IV.SNTG.HHZ. 2019-04-03T13:22:11.78 0.3 undecidable manual P 341 54.8007 50 0.04 70
IT.MTCL.HGZ. 2019-04-03T13:22:11.04 3.0 undecidable manual S -0.31 0
IV.MNTT.EHZ. 2019-04-03T13:22:11.51 3.0 negative manual P 0.92 0
IV.FDMO.HHZ. 2019-04-03T13:22:11.79 0.1 undecidable manual S 349 28.2495 50 -0.13 96
IV.OFFI.HHZ. 2019-04-03T13:22:11.43 3.0 negative manual P 0.54 0
IV.GAVE.EHZ. 2019-04-03T13:22:10.68 0.1 undecidable manual S 244 23.754 50 -0.06 98
IV.CESX.HHZ. 2019-04-03T13:22:10.88 0.6 undecidable manual P 247 50.5161 50 -0.2 46
IV.MOMA.HHZ. 2019-04-03T13:22:10.80 0.3 undecidable manual P 272 47.7189 50 0.14 70
IV.SEF1.HNN. 2019-04-03T13:22:10.08 0.6 undecidable manual P 337 43.3233 50 0.09 47
IV.ASSB.HHZ. 2019-04-03T13:22:10.86 0.3 undecidable manual P 305 49.3173 50 -0.05 71
IV.LNSS.HHZ. 2019-04-03T13:22:10.53 0.1 undecidable manual S 205 22.5552 50 0.13 97
IV.MDAR.HNN. 2019-04-03T13:22:10.12 0.6 undecidable manual P 359 45.0216 50 -0.12 47
IV.SMA1.EHZ. 2019-04-03T13:22:10.70 0.1 undecidable manual S 140 22.755 50 0.25 96
IV.FEMA.HNZ. 2019-04-03T13:22:09.76 0.3 undecidable manual S 336 21.2676 116 -0.29 71
IV.TERO.HHZ. 2019-04-03T13:22:09.47 1.0 negative manual P 116 40.8258 50 -0.13 23
IV.MMO1.EHZ. 2019-04-03T13:22:09.16 0.1 undecidable manual S 48 18.6702 120 -0.1 99
IV.MML1.HNZ. 2019-04-03T13:22:09.30 0.3 undecidable manual P 338 39.1275 50 -0.04 72
IV.MTRA.EHZ. 2019-04-03T13:22:09.42 0.1 undecidable manual S 100 19.869 118 -0.21 96
IV.ARRO.EHZ. 2019-04-03T13:22:09.30 0.3 undecidable manual P 234 39.3273 50 -0.06 72
IV.PF6.EHZ. 2019-04-03T13:22:09.19 0.3 undecidable manual P 5 39.0276 50 -0.13 71
IV.SAP2.EHZ. 2019-04-03T13:22:09.84 3.0 negative manual P 0.4 0
IV.CAMP.HHZ. 2019-04-03T13:22:08.46 0.3 undecidable manual P 143 34.743 50 -0.19 70
IV.CESI.HHZ. 2019-04-03T13:22:08.16 0.1 negative manual P 320 31.6461 50 -0.02 98
IV.RM33.EHZ. 2019-04-03T13:22:08.18 0.1 negative manual P 171 31.2465 50 0.06 97
IV.MF5.EHZ. 2019-04-03T13:22:08.87 0.1 undecidable manual P 48 33.2445 50 0.44 90
IV.CSP1.EHZ. 2019-04-03T13:22:08.39 1.0 undecidable manual P 7 34.0437 50 -0.16 24
IV.MC2.EHZ. 2019-04-03T13:22:08.29 0.1 undecidable manual S 11 14.0748 127 0.37 93
IV.FDMO.HHZ. 2019-04-03T13:22:07.57 0.1 positive manual P 349 28.2495 50 -0.08 97
IT.MTCL.HGZ. 2019-04-03T13:22:07.25 3.0 negative manual P -0.08 0
IV.LNSS.HHZ. 2019-04-03T13:22:06.81 0.1 positive manual P 205 22.5552 50 0.03 99
IV.SMA1.EHZ. 2019-04-03T13:22:06.84 0.1 undecidable manual P 140 22.755 50 0.04 99
IV.FEMA.HNZ. 2019-04-03T13:22:06.48 0.3 undecidable manual P 336 21.2676 116 -0.09 74
IV.MMO1.EHZ. 2019-04-03T13:22:06.07 0.6 undecidable manual P 48 18.6702 120 -0.05 50
IV.GAVE.EHZ. 2019-04-03T13:22:06.99 0.1 positive manual P 244 23.754 50 0.02 99
IV.MTRA.EHZ. 2019-04-03T13:22:06.31 0.1 positive manual P 100 19.869 118 -0.02 100
IV.MC2.EHZ. 2019-04-03T13:22:05.55 0.1 undecidable manual P 11 14.0748 127 0.21 97
IV.NRCA.HNZ. 2019-04-03T13:22:05.78 0.1 undecidable manual S 327 6.1938 150 -0.28 98
IV.NRCA.HNZ. 2019-04-03T13:22:04.36 0.1 negative manual P 327 6.1938 150 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.6 0.00672 0.16 AML other m 2019-04-03T13:22:05.87
IV.NRCA.HHN. ML:2.7 0.00724 0.16 AML other m 2019-04-03T13:22:05.87
IV.NRCA.HHE. ML:2.7 0.007404999999999999 1.44 AML other m 2019-04-03T13:22:06.82
IV.NRCA.HNE. ML:2.6 0.006900000000000001 1.44 AML other m 2019-04-03T13:22:06.83
IV.MTRA.HNN. ML:2.4 0.0018399999999999998 0.58 AML other m 2019-04-03T13:22:09.66
IV.MTRA.EHN. ML:2.4 0.0017800000000000001 0.58 AML other m 2019-04-03T13:22:09.66
IV.MTRA.EHE. ML:2.3 0.0015400000000000001 1.12 AML other m 2019-04-03T13:22:10.94
IV.MTRA.HNE. ML:2.3 0.0014849999999999998 0.18 AML other m 2019-04-03T13:22:10.47
IV.LNSS.HHN. ML:2.7 0.00327 1.24 AML other m 2019-04-03T13:22:10.00
IV.LNSS.HNN. ML:2.7 0.003205 1.24 AML other m 2019-04-03T13:22:10.00
IV.LNSS.HHE. ML:2.5 0.0022949999999999997 0.18 AML other m 2019-04-03T13:22:10.85
IV.LNSS.HNE. ML:2.6 0.0023250000000000002 0.2 AML other m 2019-04-03T13:22:10.86
IV.GAVE.HNN. ML:1.8 0.000411 0.24 AML other m 2019-04-03T13:22:11.24
IV.GAVE.EHN. ML:2.4 0.00149 0.62 AML other m 2019-04-03T13:22:11.59
IV.FDMO.HHE. ML:2.0 0.000568 0.62 AML other m 2019-04-03T13:22:12.35
IV.GAVE.HNE. ML:2.4 0.001545 1.12 AML other m 2019-04-03T13:22:12.16
IV.GAVE.EHE. ML:2.4 0.001575 0.24 AML other m 2019-04-03T13:22:12.16
IV.CESI.HHN. ML:2.5 0.0014750000000000002 0.48 AML other m 2019-04-03T13:22:13.03
IV.CESI.HHE. ML:2.1 0.000641 0.08 AML other m 2019-04-03T13:22:13.09
IV.RM33.HNE. ML:2.0 0.00046550000000000004 1.18 AML other m 2019-04-03T13:22:13.08
IV.RM33.EHE. ML:1.9 0.0003785 0.46 AML other m 2019-04-03T13:22:13.67
IV.RM33.EHN. ML:1.8 0.00032 0.92 AML other m 2019-04-03T13:22:14.50
IV.RM33.HNN. ML:1.9 0.00033099999999999997 1.18 AML other m 2019-04-03T13:22:14.32
IV.SMA1.EHE. ML:2.0 0.0006039999999999999 0.78 AML other m 2019-04-03T13:22:14.14
IV.FDMO.HHN. ML:2.0 0.0004805 0.52 AML other m 2019-04-03T13:22:14.79
IV.SMA1.EHN. ML:2.0 0.0006619999999999999 0.24 AML other m 2019-04-03T13:22:15.93
IV.SAP2.EHN. ML:3.0 0.00326 0.56 AML other m 2019-04-03T13:22:16.57
IV.TERO.HHE. ML:1.8 0.0002295 0.7 AML other m 2019-04-03T13:22:16.62
IV.SAP2.EHE. ML:2.2 0.000501 0.52 AML other m 2019-04-03T13:22:16.84
IV.MOMA.HHN. ML:2.0 0.00029400000000000004 1.42 AML other m 2019-04-03T13:22:18.97
IV.MOMA.HNN. ML:2.0 0.000312 1.42 AML other m 2019-04-03T13:22:18.97
IV.TERO.HHN. ML:1.9 0.0002475 0.44 AML other m 2019-04-03T13:22:18.61
IV.MOMA.HNE. ML:2.1 0.00036199999999999996 1.82 AML other m 2019-04-03T13:22:18.95
IV.MOMA.HHE. ML:2.1 0.000376 1.82 AML other m 2019-04-03T13:22:18.95
IV.ASSB.HHN. ML:1.9 0.000229 1.2 AML other m 2019-04-03T13:22:19.61
IV.ASSB.HHE. ML:1.9 0.0001985 0.88 AML other m 2019-04-03T13:22:20.48
IV.MNTT.EHN. ML:2.4 0.0007815000000000001 0.36 AML other m 2019-04-03T13:22:20.66
IV.MNTT.EHE. ML:2.3 0.0006265000000000001 0.88 AML other m 2019-04-03T13:22:20.76
IV.SNTG.HHE. ML:1.8 0.0001305 0.12 AML other m 2019-04-03T13:22:20.75
IV.OFFI.HHN. ML:2.2 0.00040300000000000004 1.32 AML other m 2019-04-03T13:22:21.71
IV.SNTG.HHN. ML:1.7 0.00011949999999999999 0.98 AML other m 2019-04-03T13:22:21.76
IV.CESX.HHE. ML:1.7 0.00013350000000000002 0.24 AML other m 2019-04-03T13:22:21.25
IV.ATCC.EHE. ML:1.9 0.000154 0.42 AML other m 2019-04-03T13:22:21.75
IV.FOSV.EHE. ML:1.6 0.0000748 1.64 AML other m 2019-04-03T13:22:22.03
IV.EL6.EHE. ML:2.1 0.00028050000000000004 0.16 AML other m 2019-04-03T13:22:22.82
IV.EL6.EHN. ML:2.1 0.0002415 0.14 AML other m 2019-04-03T13:22:24.19
IV.ATCC.EHN. ML:1.9 0.00014850000000000003 0.82 AML other m 2019-04-03T13:22:24.44
IV.OFFI.HHE. ML:1.9 0.000221 0.32 AML other m 2019-04-03T13:22:24.71
IV.CESX.HHN. ML:1.8 0.0001545 0.28 AML other m 2019-04-03T13:22:25.56
IV.FOSV.EHN. ML:1.7 0.00009070000000000001 0.66 AML other m 2019-04-03T13:22:27.00
IV.SSFR.HHN. ML:2.1 0.00017549999999999998 0.14 AML other m 2019-04-03T13:22:28.22
IV.SSFR.HHE. ML:2.1 0.0001815 0.2 AML other m 2019-04-03T13:22:28.72
IV.MURB.HHN. ML:2.2 0.00023649999999999998 0.3 AML other m 2019-04-03T13:22:29.08
IV.ARVD.HHE. ML:1.6 0.000062 0.2 AML other m 2019-04-03T13:22:29.71
IV.MURB.HHE. ML:2.2 0.00023549999999999998 0.4 AML other m 2019-04-03T13:22:30.27
IV.ARVD.HHN. ML:1.5 0.0000413 0.72 AML other m 2019-04-03T13:22:31.22
IV.VVLD.HHE. ML:1.5 0.00002835 0.66 AML other m 2019-04-03T13:22:42.52
IV.VVLD.HHN. ML:1.7 0.00003905 0.58 AML other m 2019-04-03T13:22:44.65
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