Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 04-04-2019 and time 20:03:30 (Italy) in region 3 km SW Visso (MC)

A magnitude ML 2.1 earthquake occured in region: 3 km SW Visso (MC), on

  • 04-04-2019 18:03:30 (UTC)
  • 04-04-2019 20:03:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9070, 13.0710 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
Visso MC 3 1107 1107
Preci PG 4 724 1831
Castelsantangelo sul Nera MC 7 281 2112
Ussita MC 7 444 2556
Monte Cavallo MC 11 145 2701
Sellano PG 12 1079 3780
Norcia PG 13 4957 8737
Fiordimonte MC 15 202 8939
Pieve Torina MC 16 1458 10397
Cerreto di Spoleto PG 16 1075 11472
Fiastra MC 16 559 12031
Bolognola MC 16 142 12173
Acquacanina MC 16 121 12294
Pievebovigliana MC 17 866 13160
Muccia MC 20 915 14075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
59 Km W of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
98 Km W of Montesilvano (53738 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 2019-04-04
18:03:30		 42.907 13.0707 10 2019-08-22
08:25:11		 Bollettino Sismico Italiano INGV 70826201
Reviewed
Rev100 		ML 2.0 2019-04-04
18:03:30		 42.9063 13.0668 10 2019-04-04
18:12:44		 Sala Sismica INGV-Roma 67258311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-04 18:03:30 ± 0.05
Latitude 42.9070 ± 0.0027
Longitude 13.0707 ± 0.0049
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 70826201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38131
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 67258311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-04 18:12:44

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 70826201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-23 12:59:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2019-04-04T18:03:45.26 0.6 undecidable manual S 254 42.3243 50 0.91 38
IV.SNTG.HHE. 2019-04-04T18:03:43.96 0.6 undecidable manual S 345 40.0266 50 0.22 48
IV.SMA1.EHE. 2019-04-04T18:03:43.16 0.6 undecidable manual S 145 37.5291 50 0.09 49
IV.T1299.EHE. 2019-04-04T18:03:42.69 0.3 undecidable manual S 150 34.8429 50 0.33 70
IV.ASSB.HHZ. 2019-04-04T18:03:42.66 1.0 undecidable manual S 294 36.6411 50 -0.19 24
IV.SAP2.EHZ. 2019-04-04T18:03:42.73 3.0 undecidable manual S 0.47 0
IV.MF5.EHZ. 2019-04-04T18:03:42.58 0.3 undecidable manual S 74 32.8449 50 0.75 62
IV.LNSS.HHZ. 2019-04-04T18:03:41.32 1.0 undecidable manual S 184 33.8439 50 -0.77 20
IV.MTRA.EHZ. 2019-04-04T18:03:41.00 0.6 undecidable manual S 122 31.3464 50 -0.42 46
IV.GAVE.EHZ. 2019-04-04T18:03:40.17 0.3 undecidable manual S 211 27.8499 50 -0.32 72
IV.GUMA.HHZ. 2019-04-04T18:03:40.66 0.3 undecidable manual S 51 27.5502 50 0.24 73
IV.PF6.EHZ. 2019-04-04T18:03:40.00 0.6 undecidable manual S 21 27.5502 50 -0.41 47
IV.MNTT.EHZ. 2019-04-04T18:03:39.78 3.0 negative manual P 0.33 0
IV.EL6.EHZ. 2019-04-04T18:03:39.01 3.0 undecidable manual P -0.44 0
IV.MML1.HNZ. 2019-04-04T18:03:39.07 0.3 undecidable manual S 341 24.2535 113 -0.45 70
IV.TERO.HHZ. 2019-04-04T18:03:39.95 3.0 undecidable manual P -0.73 0
IV.MMO1.HNZ. 2019-04-04T18:03:38.10 0.3 undecidable manual S 92 20.868 116 -0.33 72
IV.CSP1.EHZ. 2019-04-04T18:03:38.97 0.3 undecidable manual S 28 23.2545 114 -0.22 74
IV.MOMA.HHZ. 2019-04-04T18:03:38.59 0.6 undecidable manual P 254 42.3243 50 0.14 48
IT.GNU.HGE. 2019-04-04T18:03:38.75 3.0 undecidable manual P 0.31 0
IV.MF5.EHZ. 2019-04-04T18:03:37.22 0.3 undecidable manual P 74 32.8449 50 0.22 72
IV.SMA1.EHE. 2019-04-04T18:03:37.59 0.6 undecidable manual P 145 37.5291 50 -0.12 49
IV.T1299.EHE. 2019-04-04T18:03:37.40 0.3 undecidable manual P 150 34.8429 50 0.1 74
IV.SNTG.HHE. 2019-04-04T18:03:37.83 0.6 undecidable manual P 345 40.0266 50 -0.28 47
IV.ASSB.HHZ. 2019-04-04T18:03:37.41 0.6 undecidable manual P 294 36.6411 50 -0.17 48
IV.CESI.HHZ. 2019-04-04T18:03:37.43 0.3 undecidable manual S 309 17.2716 120 0.08 77
IV.SAP2.EHZ. 2019-04-04T18:03:37.49 3.0 negative manual P 0.24 0
IV.MTRA.EHZ. 2019-04-04T18:03:36.48 0.3 undecidable manual P 122 31.3464 50 -0.28 72
IT.FOPC.HGZ. 2019-04-04T18:03:36.69 3.0 undecidable manual P 0.04 0
IV.GAVE.EHZ. 2019-04-04T18:03:36.10 0.1 undecidable manual P 211 27.8499 50 -0.12 99
IV.FDMO.HHZ. 2019-04-04T18:03:36.46 0.3 undecidable manual S 5 14.4744 125 -0.05 77
IV.GUMA.HHZ. 2019-04-04T18:03:36.28 0.3 undecidable manual P 51 27.5502 50 0.1 75
IV.LNSS.HHZ. 2019-04-04T18:03:36.83 0.6 undecidable manual P 184 33.8439 50 -0.32 47
IV.MML1.HNZ. 2019-04-04T18:03:35.55 0.3 undecidable manual P 341 24.2535 113 -0.11 75
IV.MC2.EHZ. 2019-04-04T18:03:35.34 0.3 undecidable manual S 87 9.5793 136 0.1 77
IV.PF6.EHZ. 2019-04-04T18:03:35.90 0.3 undecidable manual P 21 27.5502 50 -0.28 72
IT.MTCL.HGZ. 2019-04-04T18:03:35.52 3.0 undecidable manual S -0.08 0
IV.CSP1.EHZ. 2019-04-04T18:03:35.35 0.3 undecidable manual P 28 23.2545 114 -0.12 75
IV.NRCA.HNZ. 2019-04-04T18:03:35.00 0.3 undecidable manual S 156 8.88 139 -0.07 78
IV.FDMO.HHZ. 2019-04-04T18:03:34.02 0.3 undecidable manual P 5 14.4744 125 0.09 77
IV.CESI.HHZ. 2019-04-04T18:03:34.59 0.1 undecidable manual P 309 17.2716 120 0.18 100
IV.MMO1.HNZ. 2019-04-04T18:03:34.89 0.3 undecidable manual P 92 20.868 116 -0.15 75
IV.FEMA.HNZ. 2019-04-04T18:03:34.72 0.3 undecidable manual S 345 6.3936 148 0.18 76
IV.FEMA.HNZ. 2019-04-04T18:03:33.09 0.1 undecidable manual P 345 6.3936 148 0.3 99
IV.NRCA.HNZ. 2019-04-04T18:03:33.24 0.3 undecidable manual P 156 8.88 139 0.14 77
IV.MC2.EHZ. 2019-04-04T18:03:33.48 0.3 undecidable manual P 87 9.5793 136 0.29 74
IT.MTCL.HGZ. 2019-04-04T18:03:33.56 3.0 undecidable manual P 0.15 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.6 0.005155 0.12 AML other m 2019-04-04T18:03:35.14
IV.NRCA.HHN. ML:2.6 0.005550000000000001 0.12 AML other m 2019-04-04T18:03:35.14
IV.NRCA.HHE. ML:2.3 0.0027800000000000004 0.18 AML other m 2019-04-04T18:03:35.33
IV.NRCA.HNE. ML:2.3 0.0026900000000000006 0.18 AML other m 2019-04-04T18:03:35.33
IV.FEMA.HNE. ML:2.3 0.002885 0.58 AML other m 2019-04-04T18:03:35.32
IV.FEMA.HNN. ML:2.1 0.00197 0.52 AML other m 2019-04-04T18:03:35.47
IV.FDMO.HHN. ML:1.9 0.0007650000000000001 0.12 AML other m 2019-04-04T18:03:36.89
IV.FDMO.HHE. ML:2.0 0.0009285 0.78 AML other m 2019-04-04T18:03:37.62
IV.CESI.HHE. ML:2.1 0.0011200000000000001 0.14 AML other m 2019-04-04T18:03:37.77
IV.CESI.HHN. ML:2.4 0.00212 0.16 AML other m 2019-04-04T18:03:37.77
IV.GAVE.EHE. ML:2.1 0.000628 0.8 AML other m 2019-04-04T18:03:41.47
IV.GAVE.EHN. ML:2.2 0.0008095 0.94 AML other m 2019-04-04T18:03:41.18
IV.MTRA.HNE. ML:2.0 0.000506 0.86 AML other m 2019-04-04T18:03:41.32
IV.MTRA.EHE. ML:2.0 0.000448 1.18 AML other m 2019-04-04T18:03:41.33
IV.MTRA.EHN. ML:2.0 0.0004465 0.52 AML other m 2019-04-04T18:03:41.77
IV.MTRA.HNN. ML:2.0 0.000464 0.52 AML other m 2019-04-04T18:03:41.77
IV.GUMA.HHE. ML:2.1 0.00065 0.76 AML other m 2019-04-04T18:03:42.60
IV.LNSS.HHE. ML:1.9 0.000343 0.56 AML other m 2019-04-04T18:03:42.67
IV.GUMA.HHN. ML:2.2 0.000909 0.44 AML other m 2019-04-04T18:03:42.70
IV.ASSB.HHE. ML:1.8 0.000272 1.78 AML other m 2019-04-04T18:03:42.93
IV.LNSS.HHN. ML:2.0 0.000443 1.02 AML other m 2019-04-04T18:03:43.57
IV.MF5.EHE. ML:2.0 0.0004515 0.16 AML other m 2019-04-04T18:03:43.01
IV.ASSB.HHN. ML:1.7 0.000195 0.26 AML other m 2019-04-04T18:03:43.43
IV.MF5.EHN. ML:1.9 0.00036850000000000007 1.16 AML other m 2019-04-04T18:03:43.01
IV.MOMA.HHE. ML:2.1 0.000411 1.16 AML other m 2019-04-04T18:03:45.91
IV.SAP2.EHN. ML:2.5 0.0013399999999999998 0.42 AML other m 2019-04-04T18:03:46.30
IV.SAP2.EHE. ML:1.9 0.000331 0.8 AML other m 2019-04-04T18:03:46.57
IV.MOMA.HHN. ML:1.8 0.0002215 0.9 AML other m 2019-04-04T18:03:46.49
IV.TERO.HHE. ML:1.6 0.00010365000000000001 1.82 AML other m 2019-04-04T18:03:47.97
IV.TERO.HHN. ML:1.6 0.00008795 1.36 AML other m 2019-04-04T18:03:50.24
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