Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 16-08-2019 and time 09:56:01 (Italy) in region 8 km E Valfabbrica (PG)

A magnitude ML 1.3 earthquake occured in region: 8 km E Valfabbrica (PG), on

  • 16-08-2019 07:56:01 (UTC)
  • 16-08-2019 09:56:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1660, 12.7050 at 63 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
Valfabbrica PG 8 3389 3389
Nocera Umbra PG 9 5839 9228
Gualdo Tadino PG 10 15208 24436
Valtopina PG 13 1398 25834
Assisi PG 13 28299 54133
Fossato di Vico PG 15 2840 56973
Bastia Umbra PG 17 21874 78847
Fiuminata MC 19 1402 80249
Sigillo PG 19 2404 82653
Spello PG 19 8645 91298

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of Foligno (57155 inhabitants)
26 Km E of Perugia (166134 inhabitants)
67 Km N of Terni (111501 inhabitants)
74 Km E of Arezzo (99543 inhabitants)
80 Km SW of Fano (60888 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
85 Km S of Pesaro (94582 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
99 Km NW of Teramo (54892 inhabitants)
100 Km S of Rimini (147750 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 1.3 2019-08-16
07:56:01		 43.1663 12.7048 63 2019-11-13
14:31:06		 Bollettino Sismico Italiano INGV 73279301
Reviewed
Rev100 		ML 1.3 2019-08-16
07:56:00		 43.161 12.7128 64 2019-08-16
13:11:38		 Sala Sismica INGV-Roma 71546421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-16 07:56:01 ± 0.22
Latitude 43.1663 ± 0.0108
Longitude 12.7048 ± 0.0136
Depth (km) 63 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73279301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1168
Semi-minor axis of confidence ellipse (meter) 767
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56208
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 73279301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-15 23:16:48

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 71546421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-16 13:11:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2019-08-16T07:57:44.47 3.0 undecidable manual Sg 12.74 0
AC.PUK.HHZ. 2019-08-16T07:57:39.18 3.0 positive manual Pg 17.43 0
IV.MRVN.HHZ. 2019-08-16T07:57:28.80 3.0 undecidable manual Sn -2.36 0
IV.ALJA.HHZ. 2019-08-16T07:57:19.55 3.0 negative manual Pn -2.04 0
IV.VARE.HHZ. 2019-08-16T07:57:11.85 3.0 undecidable manual Pg 10.2 0
IV.CRAC.EHZ. 2019-08-16T07:57:06.64 3.0 positive manual Pg 5.79 0
IV.QLNO.HHZ. 2019-08-16T07:56:58.02 3.0 undecidable manual Pn 3.92 0
IV.MCRV.HHZ. 2019-08-16T07:56:55.67 3.0 negative manual Pg 7.63 0
IV.CADC.HNZ. 2019-08-16T07:56:53.88 3.0 undecidable manual Pg 5.25 0
IV.VIVA.HHZ. 2019-08-16T07:56:40.87 3.0 undecidable manual Sn -2.52 0
IV.VCEL.EHZ. 2019-08-16T07:56:39.52 3.0 undecidable manual Sg 2.44 0
IV.LRP.EHZ. 2019-08-16T07:56:28.19 3.0 undecidable manual Pn -1.08 0
IV.OSSC.HHZ. 2019-08-16T07:56:25.56 3.0 negative manual Pg 2.34 0
IT.FIE.HGZ. 2019-08-16T07:56:23.02 3.0 undecidable manual Pn -1.58 0
IV.CAFI.HHZ. 2019-08-16T07:56:23.82 0.6 undecidable manual S 287 62.3931 127 -0.04 48
IV.MPAG.EHZ. 2019-08-16T07:56:22.50 0.3 undecidable manual S 5 51.5151 134 0.41 68
IV.ATPC.HHE. 2019-08-16T07:56:20.69 0.6 undecidable manual S 330 40.2264 142 0.25 48
IV.VCEL.EHZ. 2019-08-16T07:56:20.02 3.0 undecidable manual Pn -2.4 0
IV.CSP1.EHZ. 2019-08-16T07:56:20.83 0.6 undecidable manual S 101 41.3253 141 0.24 48
IV.FDMO.HHZ. 2019-08-16T07:56:20.00 0.6 undecidable manual S 115 34.1436 147 0.32 47
IV.EL6.EHZ. 2019-08-16T07:56:19.78 0.6 undecidable manual S 60 36.8298 144 -0.22 48
IV.CESI.HHE. 2019-08-16T07:56:19.20 0.6 undecidable manual S 138 24.1536 155 0.57 45
IV.ATSC.EHE. 2019-08-16T07:56:19.12 0.6 undecidable manual S 357 28.6491 151 0.06 51
IV.SSFR.HHE. 2019-08-16T07:56:19.26 0.6 undecidable manual S 12 30.5472 150 -0.01 50
IV.SNTG.HHZ. 2019-08-16T07:56:18.21 0.6 undecidable manual S 63 21.4674 158 -0.19 49
IV.ATTE.HHZ. 2019-08-16T07:56:18.60 0.6 undecidable manual S 277 28.6491 151 -0.46 46
IV.MML1.EHE. 2019-08-16T07:56:18.72 0.3 undecidable manual S 105 22.3554 157 0.25 74
IV.ASSB.HHZ. 2019-08-16T07:56:17.26 0.6 undecidable manual S 195 14.1747 165 -0.64 45
IV.CAFI.HHZ. 2019-08-16T07:56:14.30 0.3 undecidable manual P 287 62.3931 127 0.09 70
IV.MGAB.HHZ. 2019-08-16T07:56:13.91 0.1 undecidable manual P 240 55.6998 131 0.34 90
IV.ATPC.HHE. 2019-08-16T07:56:13.22 0.1 undecidable manual P 330 40.2264 142 0.99 73
IV.NRCA.HHZ. 2019-08-16T07:56:13.37 0.3 undecidable manual P 138 49.617 135 0.35 68
IV.MPAG.EHZ. 2019-08-16T07:56:13.14 0.1 undecidable manual P 5 51.5151 134 -0.04 97
IV.GAVE.EHZ. 2019-08-16T07:56:13.11 0.3 undecidable manual P 164 54.8007 132 -0.37 68
IV.MC2.EHZ. 2019-08-16T07:56:13.14 0.1 undecidable manual P 126 48.4182 136 0.24 94
IV.CSP1.EHZ. 2019-08-16T07:56:12.09 0.1 positive manual P 101 41.3253 141 -0.23 95
IV.PIEI.HHZ. 2019-08-16T07:56:12.49 0.1 undecidable manual P 342 43.2234 139 0.02 99
IV.ATLO.EHE. 2019-08-16T07:56:11.08 0.1 undecidable manual P 305 29.1486 151 -0.39 94
IV.SSFR.HHE. 2019-08-16T07:56:11.34 0.1 undecidable manual P 12 30.5472 150 -0.22 97
IV.EL6.EHZ. 2019-08-16T07:56:11.56 0.1 undecidable manual P 60 36.8298 144 -0.42 92
IV.CESI.HHE. 2019-08-16T07:56:11.31 0.1 undecidable manual P 138 24.1536 155 0.12 100
IV.ATTE.HHZ. 2019-08-16T07:56:11.13 0.6 undecidable manual P 277 28.6491 151 -0.31 48
IV.FDMO.HHZ. 2019-08-16T07:56:11.50 0.1 undecidable manual P 115 34.1436 147 -0.29 95
IV.ATFO.HHN. 2019-08-16T07:56:11.91 0.1 undecidable manual P 334 24.6531 155 0.69 86
IV.ATSC.EHE. 2019-08-16T07:56:11.27 0.1 undecidable manual P 357 28.6491 151 -0.17 98
IV.ASSB.HHZ. 2019-08-16T07:56:10.47 0.3 undecidable manual P 195 14.1747 165 -0.3 74
IV.SNTG.HHZ. 2019-08-16T07:56:10.76 0.3 undecidable manual P 63 21.4674 158 -0.29 73
IV.MML1.EHE. 2019-08-16T07:56:10.88 0.1 undecidable manual P 105 22.3554 157 -0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:1.6 0.00007675 0.12 AML other m 2019-08-16T07:56:18.34
IV.SNTG.HHN. ML:1.5 0.00005645 0.86 AML other m 2019-08-16T07:56:18.85
IV.ATTE.HHN. ML:0.9 0.00001490915 1.856 AML other m 2019-08-16T07:56:19.98
IV.ATTE.HHE. ML:0.9 0.000013232707 0.5984 AML other m 2019-08-16T07:56:19.37
IV.EL6.EHE. ML:1.6 0.000058400195 0.2624 AML other m 2019-08-16T07:56:19.84
IV.FDMO.HHE. ML:1.4 0.0000422 0.58 AML other m 2019-08-16T07:56:20.85
IV.EL6.EHN. ML:1.8 0.00009492748500000001 0.32 AML other m 2019-08-16T07:56:21.11
IV.FDMO.HHN. ML:1.3 0.0000318 0.96 AML other m 2019-08-16T07:56:21.98
IV.MPAG.EHN. ML:0.9 0.000011678514 0.4832 AML other m 2019-08-16T07:56:22.26
IV.CSP1.EHE. ML:1.3 0.000031787753 0.5184 AML other m 2019-08-16T07:56:22.95
IV.MPAG.EHE. ML:1.0 0.000017041645000000003 1.6608 AML other m 2019-08-16T07:56:22.94
IV.CSP1.EHN. ML:1.4 0.000033321998499999996 0.4608 AML other m 2019-08-16T07:56:23.87
IV.CAFI.HHE. ML:1.1 0.0000155682575 1.6416 AML other m 2019-08-16T07:56:23.02
IV.MGAB.HHN. ML:1.2 0.0000217 1.12 AML other m 2019-08-16T07:56:23.33
IV.NRCA.HHE. ML:1.2 0.000018704325 0.16 AML other m 2019-08-16T07:56:24.33
IV.CAFI.HHN. ML:1.1 0.00001427161 0.256 AML other m 2019-08-16T07:56:24.21
IV.NRCA.HHN. ML:1.3 0.00002294301 0.1216 AML other m 2019-08-16T07:56:25.60
IV.MGAB.HHE. ML:1.4 0.000027999999999999996 1.52 AML other m 2019-08-16T07:56:25.07
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