Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 18-07-2019 and time 15:30:12 (Italy) in region 3 km W Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km W Sellano (PG), on

  • 18-07-2019 13:30:12 (UTC)
  • 18-07-2019 15:30:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8950, 12.8910 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Sellano PG 3 1079 1079
Cerreto di Spoleto PG 9 1075 2154
Trevi PG 12 8469 10623
Preci PG 12 724 11347
Campello sul Clitunno PG 12 2442 13789
Vallo di Nera PG 14 364 14153
Monte Cavallo MC 14 145 14298
Visso MC 17 1107 15405
Foligno PG 17 57155 72560
Sant'Anatolia di Narco PG 18 564 73124
Castel Ritaldi PG 19 3278 76402
Montefalco PG 19 5679 82081

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
47 Km SE of Perugia (166134 inhabitants)
71 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
83 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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
Reviewed
Rev100 		ML 1.1 2019-07-18
13:30:12		 42.8952 12.891 10 2019-07-18
13:38:40		 Sala Sismica INGV-Roma 70682791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-18 13:30:12 ± 0.06
Latitude 42.8952 ± 0.0027
Longitude 12.8910 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70682791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 122
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 70682791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-18 13:38:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2019-07-18T13:30:31.12 3.0 undecidable manual S 1.98 0
IV.EL6.EHZ. 2019-07-18T13:30:29.61 0.1 undecidable manual S 19 51.1155 50 0.32 88
IV.SNTG.HHZ. 2019-07-18T13:30:26.47 0.1 undecidable manual S 6 40.1265 50 0.11 94
IV.LNSS.HHE. 2019-07-18T13:30:24.64 0.3 undecidable manual S 159 34.6431 50 -0.25 69
IV.EL6.EHZ. 2019-07-18T13:30:22.33 0.1 undecidable manual P 19 51.1155 50 -0.05 93
IV.MML1.EHE. 2019-07-18T13:30:22.16 0.1 undecidable manual S 15 25.0527 112 -0.17 96
IV.MC2.EHZ. 2019-07-18T13:30:22.34 0.3 undecidable manual S 86 24.2535 112 0.27 70
IV.GAVE.EHZ. 2019-07-18T13:30:21.52 0.3 undecidable manual S 179 22.5552 114 0.01 74
IV.ASSB.HHZ. 2019-07-18T13:30:21.99 0.3 undecidable manual S 311 24.9528 112 -0.29 70
IV.FDMO.HHZ. 2019-07-18T13:30:21.08 0.1 undecidable manual S 45 22.3554 114 -0.37 92
IV.SNTG.HHZ. 2019-07-18T13:30:20.49 0.1 undecidable manual P 6 40.1265 50 -0.2 92
IV.NRCA.HHZ. 2019-07-18T13:30:20.42 0.1 undecidable manual S 111 19.3695 117 -0.11 98
IV.FEMA.HNZ. 2019-07-18T13:30:19.24 0.3 undecidable manual S 100
IV.LNSS.HHE. 2019-07-18T13:30:19.79 0.1 undecidable manual P 159 34.6431 50 -0.06 96
IV.MC2.EHZ. 2019-07-18T13:30:18.16 0.3 undecidable manual P 86 24.2535 112 -0.05 73
IV.CESI.HHZ. 2019-07-18T13:30:18.67 0.1 undecidable manual S 5 12.1767 129 0.24 96
IV.GAVE.EHZ. 2019-07-18T13:30:18.11 0.1 positive manual P 179 22.5552 114 0.22 95
IV.ASSB.HHZ. 2019-07-18T13:30:18.43 0.1 undecidable manual P 311 24.9528 112 0.09 97
IV.MOMA.HHZ. 2019-07-18T13:30:18.05 3.0 undecidable manual P 0
IT.MTCL.HGE. 2019-07-18T13:30:18.90 0.1 undecidable manual S 39 14.0748 125 -0.04 100
IV.MML1.EHE. 2019-07-18T13:30:18.27 0.3 undecidable manual P 15 25.0527 112 -0.09 73
IV.NRCA.HHZ. 2019-07-18T13:30:17.40 0.1 undecidable manual P 111 19.3695 117 0.07 98
IV.FDMO.HHZ. 2019-07-18T13:30:17.86 0.6 positive manual P 45 22.3554 114 0 50
IT.MTCL.HGE. 2019-07-18T13:30:16.61 0.1 undecidable manual P 39 14.0748 125 0.2 97
IV.CESI.HHZ. 2019-07-18T13:30:16.45 1.0 undecidable manual P 5 12.1767 129 0.33 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.0 0.0001235 0.52 AML other m 2019-07-18T13:30:19.00
IV.CESI.HHN. ML:1.3 0.000214 1.14 AML other m 2019-07-18T13:30:19.25
IV.NRCA.HHN. ML:1.2 0.00011199999999999998 0.84 AML other m 2019-07-18T13:30:21.57
IV.FDMO.HHN. ML:1.0 0.00006584999999999999 0.42 AML other m 2019-07-18T13:30:21.52
IV.NRCA.HHE. ML:1.2 0.000127 0.18 AML other m 2019-07-18T13:30:21.34
IV.FDMO.HHE. ML:1.1 0.00007400000000000001 0.46 AML other m 2019-07-18T13:30:21.85
IV.GAVE.EHE. ML:1.3 0.000123 0.3 AML other m 2019-07-18T13:30:21.78
IV.ASSB.HHE. ML:0.9 0.000051699999999999996 0.34 AML other m 2019-07-18T13:30:22.56
IV.GAVE.EHN. ML:1.3 0.000141 0.54 AML other m 2019-07-18T13:30:22.47
IV.ASSB.HHN. ML:0.9 0.000045950000000000006 0.76 AML other m 2019-07-18T13:30:23.66
IV.MOMA.HHN. ML:0.7 0.00002655 0.6 AML other m 2019-07-18T13:30:23.77
IV.MOMA.HHE. ML:0.8 0.000030050000000000002 0.1 AML other m 2019-07-18T13:30:24.57
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