Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 15-10-2019 and time 20:44:35 (Italy) in region 4 km W Visso (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km W Visso (MC), on

  • 15-10-2019 18:44:35 (UTC)
  • 15-10-2019 20:44:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9320, 13.0460 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
Visso MC 4 1107 1107
Preci PG 6 724 1831
Ussita MC 8 444 2275
Monte Cavallo MC 8 145 2420
Castelsantangelo sul Nera MC 10 281 2701
Sellano PG 11 1079 3780
Fiordimonte MC 12 202 3982
Pieve Torina MC 13 1458 5440
Fiastra MC 15 559 5999
Pievebovigliana MC 15 866 6865
Acquacanina MC 15 121 6986
Norcia PG 16 4957 11943
Cerreto di Spoleto PG 16 1075 13018
Bolognola MC 16 142 13160
Muccia MC 17 915 14075
Serravalle di Chienti MC 17 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
57 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
96 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 0.9 2019-10-15
18:44:35		 42.9323 13.0455 11 2020-02-28
16:41:58		 Bollettino Sismico Italiano INGV 73407151
Reviewed
Rev100 		ML 0.9 2019-10-15
18:44:36		 42.9315 13.0472 11 2019-10-15
19:04:15		 Sala Sismica INGV-Roma 73275371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-15 18:44:35 ± 0.05
Latitude 42.9323 ± 0.0027
Longitude 13.0455 ± 0.0037
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 73407151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 49
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36872
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 73407151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-23 09:47:56

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 73275371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-15 19:04:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2019-10-15T18:46:19.40 3.0 undecidable manual Sg 24.139999 0
IV.RAFF.HHZ. 2019-10-15T18:46:02.52 3.0 undecidable manual Pg 20.07 0
GU.CIRO.HHZ. 2019-10-15T18:45:55.16 3.0 undecidable manual Pg 17.74 0
IV.AGLI.HHZ. 2019-10-15T18:45:50.88 3.0 undecidable manual Sn -1.85 0
IV.ERC.EHZ. 2019-10-15T18:45:46.44 3.0 undecidable manual Pg 15.92 0
IV.MRLC.HHZ. 2019-10-15T18:45:45.95 3.0 undecidable manual Sg 11.11 0
IV.MCRV.HHZ. 2019-10-15T18:45:32.79 3.0 undecidable manual Sn 2.2 0
IV.ZCCA.HHZ. 2019-10-15T18:45:24.40 3.0 undecidable manual Sn -7.29 0
IV.FIR.HHZ. 2019-10-15T18:45:21.64 3.0 undecidable manual Sg 2.46 0
IV.ORI.HHZ. 2019-10-15T18:45:17.84 3.0 undecidable manual Pn 0.65 0
IV.NDIM.HHZ. 2019-10-15T18:45:16.72 3.0 positive manual Pg 8.84 0
TV.SF04.EHZ. 2019-10-15T18:45:05.37 3.0 undecidable manual Sg 1.32 0
OT.OT14.EHZ. 2019-10-15T18:44:59.12 3.0 positive manual Pn 0.02 0
IV.SEI.HHZ. 2019-10-15T18:44:56.29 3.0 undecidable manual Pg -0.43 0
IV.FIR.HHZ. 2019-10-15T18:44:52.14 3.0 undecidable manual Pn -2.75 0
IV.FRON.EHZ. 2019-10-15T18:44:49.79 3.0 undecidable manual Pg 4.55 0
IV.CPGN.EHZ. 2019-10-15T18:44:48.68 3.0 undecidable manual Pg -0.69 0
IV.APEC.HHZ. 2019-10-15T18:44:46.95 3.0 positive manual Pg 0.4 0
IV.PF6.EHZ. 2019-10-15T18:44:45.20 0.3 undecidable manual S 28 25.752 92 -0.12 73
IV.MMO1.EHZ. 2019-10-15T18:44:44.46 0.6 undecidable manual S 99 23.1546 92 -0.15 48
IV.SMA1.EHZ. 2019-10-15T18:44:44.01 0.6 undecidable manual P 145 40.9257 91 0.3 45
IV.CSP1.EHZ. 2019-10-15T18:44:44.33 0.6 undecidable manual S 36 21.867 92 0.04 49
IV.LNSS.HHZ. 2019-10-15T18:44:43.09 0.3 undecidable manual P 181 36.5412 91 0.06 72
IV.LAV9.HHZ. 2019-10-15T18:44:43.99 3.0 undecidable manual P -0.42 0
IV.MML1.HNZ. 2019-10-15T18:44:43.86 0.3 undecidable manual S 343 20.9679 93 -0.17 72
IV.CESI.HHZ. 2019-10-15T18:44:42.16 0.3 undecidable manual S 305 13.9749 103 -0.02 75
IV.ASSB.HHN. 2019-10-15T18:44:42.62 0.1 undecidable manual P 291 33.6441 91 0.03 96
IV.GUMA.HNZ. 2019-10-15T18:44:41.60 0.1 undecidable manual P 58 27.5502 91 -0.05 98
IV.FDMO.HHZ. 2019-10-15T18:44:41.61 0.3 undecidable manual S 16 12.0768 112 -0.08 75
IV.NRCA.HHZ. 2019-10-15T18:44:41.49 0.3 undecidable manual S 153 12.2766 111 -0.26 71
IV.PF6.EHZ. 2019-10-15T18:44:41.12 0.6 undecidable manual P 28 25.752 92 -0.25 47
IV.MC2.EHZ. 2019-10-15T18:44:41.84 0.6 undecidable manual S 101 11.877 113 0.19 48
IV.MML1.HNZ. 2019-10-15T18:44:40.62 0.3 undecidable manual P 343 20.9679 93 -0.01 74
IV.FEMA.HNE. 2019-10-15T18:44:40.22 0.6 undecidable manual S 6 3.2967 159 0.14 50
IV.CSP1.EHZ. 2019-10-15T18:44:40.78 0.6 undecidable manual P 36 21.867 92 0.01 49
IT.MTCL.HGE. 2019-10-15T18:44:40.60 0.3 undecidable manual S 331 7.7811 134 -0.14 73
IV.MMO1.EHZ. 2019-10-15T18:44:40.74 0.3 undecidable manual P 99 23.1546 92 -0.22 71
IV.NRCA.HHZ. 2019-10-15T18:44:39.27 0.1 undecidable manual P 153 12.2766 111 -0.04 100
IV.MC2.EHZ. 2019-10-15T18:44:39.36 0.6 undecidable manual P 101 11.877 113 0.11 49
IV.FDMO.HHZ. 2019-10-15T18:44:39.45 0.3 undecidable manual P 16 12.0768 112 0.18 73
IV.CESI.HHZ. 2019-10-15T18:44:39.68 0.3 undecidable manual P 305 13.9749 103 0.12 73
IV.FEMA.HNE. 2019-10-15T18:44:38.52 0.6 undecidable manual P 6 3.2967 159 0.18 50
IT.MTCL.HGE. 2019-10-15T18:44:38.81 0.1 undecidable manual P 331 7.7811 134 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:0.9 0.00009042213 0.6016 AML other m 2019-10-15T18:44:41.04
IV.NRCA.HHE. ML:0.9 0.000076494505 0.1792 AML other m 2019-10-15T18:44:41.70
IV.FDMO.HHN. ML:0.7 0.000051805645 0.1408 AML other m 2019-10-15T18:44:41.81
IV.FDMO.HHE. ML:0.6 0.00004692109 0.2816 AML other m 2019-10-15T18:44:41.89
IV.NRCA.HHN. ML:0.9 0.00007818453999999999 0.0768 AML other m 2019-10-15T18:44:41.95
IV.CESI.HNN. ML:1.2 0.0001334204 1.3344 AML other m 2019-10-15T18:44:41.33
IV.NRCA.HNN. ML:1.3 0.00020352579999999998 0.976 AML other m 2019-10-15T18:44:42.05
IV.CESI.HHE. ML:0.9 0.00008118928999999999 0.0768 AML other m 2019-10-15T18:44:42.32
IV.CESI.HHN. ML:1.0 0.00008923846999999998 0.0768 AML other m 2019-10-15T18:44:42.32
IV.CESI.HNE. ML:1.1 0.0001178219 0.5376 AML other m 2019-10-15T18:44:42.68
IV.CSP1.EHN. ML:0.7 0.000030100000000000003 0.68 AML other m 2019-10-15T18:44:45.32
IV.FRON.EHN. ML:0.8 0.000011062602000000002 0.3712 AML other m 2019-10-15T18:44:50.12
IV.CSP1.EHE. ML:0.8 0.000046096440000000004 0.2592 AML other m 2019-10-15T18:45:06.45
IV.FRON.EHE. ML:0.8 0.0000121278945 0.0768 AML other m 2019-10-15T18:45:09.40
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