Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 15-08-2020 and time 07:05:34 (Italy) in region 5 km SW Sigillo (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km SW Sigillo (PG), on

  • 15-08-2020 05:05:34 (UTC)
  • 15-08-2020 07:05:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3000, 12.7040 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
Sigillo PG 5 2404 2404
Fossato di Vico PG 5 2840 5244
Costacciaro PG 7 1216 6460
Gualdo Tadino PG 10 15208 21668
Gubbio PG 12 32216 53884
Scheggia e Pascelupo PG 12 1393 55277
Fabriano AN 17 31480 86757
Valfabbrica PG 18 3389 90146
Sassoferrato AN 20 7285 97431

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
38 Km N of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
70 Km S of Pesaro (94582 inhabitants)
75 Km W of Ancona (100861 inhabitants)
82 Km N of Terni (111501 inhabitants)
86 Km S of Rimini (147750 inhabitants)
100 Km SE of Cesena (96758 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 0.9 2020-08-15
05:05:34		 43.2998 12.7038 11 2020-08-15
05:09:21		 Sala Sismica INGV-Roma 81995821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 05:05:34 ± 0.03
Latitude 43.2998 ± 0.0018
Longitude 12.7038 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81995821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 205
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29048
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 81995821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 05:09:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2020-08-15T05:05:46.41 3.0 undecidable manual S -1.31 0
IV.MML1.EHZ. 2020-08-15T05:05:45.04 0.6 undecidable manual S 134 29.9478 50 0 49
IV.EL6.EHZ. 2020-08-15T05:05:45.93 0.6 undecidable manual S 84 32.2455 50 0.27 47
IV.ATPC.HNZ. 2020-08-15T05:05:44.89 0.6 undecidable manual S 315 28.2495 50 0.31 46
IV.ARVD.HHZ. 2020-08-15T05:05:44.87 0.6 undecidable manual S 41 29.1486 50 0.04 49
IV.ASSB.HHZ. 2020-08-15T05:05:44.64 0.6 undecidable manual S 187 28.749 50 -0.08 49
IV.PE3.EHZ. 2020-08-15T05:05:44.31 3.0 positive manual P 0.61 0
IV.FRON.EHZ. 2020-08-15T05:05:43.54 0.6 undecidable manual S 4 24.2535 50 0.03 50
IV.ATLO.EHZ. 2020-08-15T05:05:43.28 0.6 undecidable manual S 274 23.9538 50 -0.17 48
IV.ATVO.HHZ. 2020-08-15T05:05:43.78 0.6 undecidable manual S 291 25.6521 50 -0.11 49
IV.ATBU.EHZ. 2020-08-15T05:05:43.30 0.6 undecidable manual S 327 23.1546 50 0.07 49
IV.EL6.EHZ. 2020-08-15T05:05:41.14 1.0 positive manual P 84 32.2455 50 0.21 24
IV.NARO.HHZ. 2020-08-15T05:05:41.38 3.0 undecidable manual P -0.46 0
IV.MURB.HHZ. 2020-08-15T05:05:41.05 0.6 undecidable manual S 254 15.0738 125 0.22 48
IV.ATFO.HHZ. 2020-08-15T05:05:40.32 0.6 undecidable manual S 305 12.9759 129 0.06 50
IV.PIEI.HHZ. 2020-08-15T05:05:40.34 3.0 undecidable manual P -0.43 0
IV.ATCC.EHZ. 2020-08-15T05:05:40.55 0.6 undecidable manual S 202 13.7751 127 0.09 50
IV.ATPC.HNZ. 2020-08-15T05:05:40.22 0.1 undecidable manual P 315 28.2495 50 -0.09 97
IV.ARVD.HHZ. 2020-08-15T05:05:40.39 1.0 undecidable manual P 41 29.1486 50 -0.06 24
IV.ATSC.EHZ. 2020-08-15T05:05:40.30 0.6 undecidable manual S 354 13.875 127 -0.19 49
IV.ASSB.HHZ. 2020-08-15T05:05:40.24 0.1 positive manual P 187 28.749 50 -0.14 96
IV.MML1.EHZ. 2020-08-15T05:05:40.62 0.1 undecidable manual P 134 29.9478 50 0.05 98
IV.ATBU.EHZ. 2020-08-15T05:05:39.56 0.1 undecidable manual P 327 23.1546 50 0.04 99
IV.FRON.EHZ. 2020-08-15T05:05:39.48 1.0 undecidable manual P 4 24.2535 50 -0.21 24
IV.ATLO.EHZ. 2020-08-15T05:05:39.54 0.1 undecidable manual P 274 23.9538 50 -0.11 98
IV.ATVO.HHZ. 2020-08-15T05:05:39.85 0.6 positive manual P 291 25.6521 50 -0.05 49
IV.SNTG.HHZ. 2020-08-15T05:05:39.19 3.0 undecidable manual P 0.26 0
IV.SSFR.HHZ. 2020-08-15T05:05:38.36 3.0 undecidable manual P -0.18 0
IV.ATCC.EHZ. 2020-08-15T05:05:38.07 1.0 undecidable manual P 202 13.7751 127 0.14 25
IV.FOSV.EHZ. 2020-08-15T05:05:38.28 0.6 undecidable manual S 97 4.6953 156 -0.17 50
IV.MURB.HHZ. 2020-08-15T05:05:38.31 0.6 undecidable manual P 254 15.0738 125 0.17 49
IV.ATSC.EHZ. 2020-08-15T05:05:37.87 0.1 undecidable manual P 354 13.875 127 -0.08 100
IV.ATFO.HHZ. 2020-08-15T05:05:37.96 0.3 positive manual P 305 12.9759 129 0.15 74
IV.FOSV.EHZ. 2020-08-15T05:05:36.67 0.6 undecidable manual P 97 4.6953 156 -0.1 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:0.7 0.0000756 0.24 AML other m 2020-08-15T05:05:38.26
IV.FOSV.EHE. ML:0.5 0.000048549999999999994 1.54 AML other m 2020-08-15T05:05:39.18
IV.SSFR.HHN. ML:1.1 0.0001155 0.1 AML other m 2020-08-15T05:05:41.30
IV.MURB.HHE. ML:1.1 0.00011300000000000001 0.26 AML other m 2020-08-15T05:05:41.37
IV.ATCC.EHN. ML:0.9 0.00008024999999999999 0.54 AML other m 2020-08-15T05:05:41.53
IV.SSFR.HHE. ML:1.4 0.0001995 0.7 AML other m 2020-08-15T05:05:41.54
IV.ATCC.EHE. ML:1.0 0.00009625000000000001 0.48 AML other m 2020-08-15T05:05:41.93
IV.MURB.HHN. ML:1.0 0.00009070000000000001 0.34 AML other m 2020-08-15T05:05:42.22
IV.SNTG.HHN. ML:0.5 0.0000256 0.5 AML other m 2020-08-15T05:05:42.62
IV.SNTG.HHE. ML:0.5 0.000026000000000000002 0.28 AML other m 2020-08-15T05:05:43.11
IV.FRON.EHE. ML:0.9 0.0000467 0.28 AML other m 2020-08-15T05:05:44.10
IV.FRON.EHN. ML:0.9 0.00004775 0.76 AML other m 2020-08-15T05:05:44.76
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