Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-07-2019 and time 20:23:52 (Italy) in region 5 km W Visso (MC)

A magnitude ML 1.5 earthquake occured in region: 5 km W Visso (MC), on

  • 28-07-2019 18:23:52 (UTC)
  • 28-07-2019 20:23:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9300, 13.0300 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 5 1107 1107
Preci PG 6 724 1831
Monte Cavallo MC 8 145 1976
Ussita MC 9 444 2420
Sellano PG 9 1079 3499
Castelsantangelo sul Nera MC 11 281 3780
Pieve Torina MC 13 1458 5238
Fiordimonte MC 13 202 5440
Cerreto di Spoleto PG 15 1075 6515
Pievebovigliana MC 16 866 7381
Fiastra MC 16 559 7940
Norcia PG 16 4957 12897
Acquacanina MC 16 121 13018
Muccia MC 17 915 13933
Serravalle di Chienti MC 17 1070 15003
Bolognola MC 18 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 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 1.5 2019-07-28
18:23:52		 42.93 13.0298 10 2019-11-13
14:31:02		 Bollettino Sismico Italiano INGV 72359161
Reviewed
Rev100 		ML 1.5 2019-07-28
18:23:52		 42.9283 13.0255 10 2019-07-28
18:31:22		 Sala Sismica INGV-Roma 70979271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-28 18:23:52 ± 0.06
Latitude 42.9300 ± 0.0036
Longitude 13.0298 ± 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 72359161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 458
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.57107
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 72359161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-13 09:57:53

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 70979271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-28 18:31:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-07-28T18:24:13.12 0.3 undecidable manual S 354 63.3921 50 0.66 58
IV.MNTT.EHZ. 2019-07-28T18:24:09.09 0.6 undecidable manual S 72 48.2184 50 0.71 39
IV.EL6.EHZ. 2019-07-28T18:24:07.40 0.6 undecidable manual S 7 44.7219 50 -0.05 47
IV.MF5.EHZ. 2019-07-28T18:24:05.52 0.6 undecidable manual S 79 35.4423 50 0.53 43
IV.SNTG.HHZ. 2019-07-28T18:24:04.94 0.6 undecidable manual S 349 36.741 50 -0.4 44
IV.ARVD.HHZ. 2019-07-28T18:24:04.34 0.3 undecidable manual P 354 63.3921 50 0.2 66
IV.ASSB.HHZ. 2019-07-28T18:24:03.98 0.6 undecidable manual S 293 32.6451 50 -0.25 46
IV.GUMA.HNN. 2019-07-28T18:24:03.22 0.6 undecidable manual S 59 28.8489 50 0 49
IV.GAVE.EHZ. 2019-07-28T18:24:03.00 0.6 undecidable manual S 203 28.5492 50 -0.16 47
IV.MNTT.EHZ. 2019-07-28T18:24:02.21 0.1 undecidable manual P 72 48.2184 50 0.42 86
IT.FOPC.HGN. 2019-07-28T18:24:02.96 0.6 undecidable manual S 280 26.8509 50 0.26 46
IV.MMO1.EHZ. 2019-07-28T18:24:01.31 0.1 undecidable manual S 98 24.3534 112 -0.58 86
IV.EL6.EHZ. 2019-07-28T18:24:00.91 0.1 undecidable manual P 7 44.7219 50 -0.34 88
IV.MML1.HNE. 2019-07-28T18:24:00.44 0.6 undecidable manual S 347 20.868 115 -0.35 46
IV.MF5.EHZ. 2019-07-28T18:23:59.88 0.1 undecidable manual P 79 35.4423 50 0.05 95
IV.ASSB.HHZ. 2019-07-28T18:23:59.15 0.1 positive manual P 293 32.6451 50 -0.24 92
IV.SNTG.HHZ. 2019-07-28T18:23:59.65 0.1 undecidable manual P 349 36.741 50 -0.38 89
IV.GUMA.HNN. 2019-07-28T18:23:58.69 0.1 undecidable manual P 59 28.8489 50 -0.12 95
IV.MC2.EHZ. 2019-07-28T18:23:58.67 0.6 undecidable manual S 99 13.0758 127 0.22 48
IV.GAVE.EHZ. 2019-07-28T18:23:58.66 0.1 undecidable manual P 203 28.5492 50 -0.12 95
IT.FOPC.HGN. 2019-07-28T18:23:58.44 0.3 undecidable manual P 280 26.8509 50 -0.07 72
IV.CESI.HHZ. 2019-07-28T18:23:58.70 0.1 undecidable manual S 309 13.1757 127 0.24 95
IV.FDMO.HHZ. 2019-07-28T18:23:58.09 0.1 undecidable manual S 22 12.6762 128 -0.25 95
IV.NRCA.HHZ. 2019-07-28T18:23:58.34 0.3 undecidable manual S 147 12.6762 128 0 75
IV.MMO1.EHZ. 2019-07-28T18:23:57.74 0.1 undecidable manual P 98 24.3534 112 -0.3 92
IT.MTCL.HGZ. 2019-07-28T18:23:57.01 0.1 undecidable manual S 341 7.4814 143 -0.06 100
IV.MML1.HNE. 2019-07-28T18:23:57.24 0.1 undecidable manual P 347 20.868 115 -0.16 96
IV.FDMO.HHZ. 2019-07-28T18:23:56.02 0.1 undecidable manual P 22 12.6762 128 0.03 100
IV.FEMA.HNE. 2019-07-28T18:23:56.74 0.6 undecidable manual S 24 3.8961 158 0.3 48
IV.NRCA.HHZ. 2019-07-28T18:23:56.14 0.1 undecidable manual P 147 12.6762 128 0.14 97
IV.MC2.EHZ. 2019-07-28T18:23:56.16 0.1 undecidable manual P 99 13.0758 127 0.1 98
IV.CESI.HHZ. 2019-07-28T18:23:56.32 0.1 undecidable manual P 309 13.1757 127 0.26 95
IV.FEMA.HNE. 2019-07-28T18:23:55.19 0.1 undecidable manual P 24 3.8961 158 0.29 96
IT.MTCL.HGZ. 2019-07-28T18:23:55.39 0.1 undecidable manual P 341 7.4814 143 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.7 0.0005495 0.18 AML other m 2019-07-28T18:23:58.30
IV.FDMO.HHE. ML:1.6 0.000413 0.44 AML other m 2019-07-28T18:23:58.37
IV.NRCA.HHE. ML:1.3 0.00023099999999999998 0.64 AML other m 2019-07-28T18:23:58.58
IV.CESI.HHE. ML:1.8 0.000734 0.2 AML other m 2019-07-28T18:23:58.78
IV.CESI.HNE. ML:1.8 0.0006783469 0.0768 AML other m 2019-07-28T18:23:58.78
IV.CESI.HNN. ML:2.0 0.0011244109 1.8592 AML other m 2019-07-28T18:23:58.00
IV.CESI.HHN. ML:2.0 0.00117 0.14 AML other m 2019-07-28T18:23:59.00
IV.NRCA.HHN. ML:1.4 0.00027550000000000003 0.38 AML other m 2019-07-28T18:23:59.16
IV.NRCA.HNN. ML:1.4 0.00024702505 0.1536 AML other m 2019-07-28T18:23:59.28
IV.NRCA.HNE. ML:1.3 0.00021042859999999999 0.1152 AML other m 2019-07-28T18:23:59.72
IV.GAVE.EHE. ML:1.4 0.00011500349000000002 0.192 AML other m 2019-07-28T18:24:03.29
IV.ASSB.HHE. ML:1.5 0.00012785 0.24 AML other m 2019-07-28T18:24:04.27
IV.GAVE.EHN. ML:1.4 0.00011318724999999999 0.192 AML other m 2019-07-28T18:24:04.41
IV.ASSB.HHN. ML:1.4 0.00010955 0.56 AML other m 2019-07-28T18:24:05.42
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