Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 15-08-2020 and time 15:34:44 (Italy) in region 6 km S Gubbio (PG)

A magnitude ML 0.5 earthquake occured in region: 6 km S Gubbio (PG), on

  • 15-08-2020 13:34:44 (UTC)
  • 15-08-2020 15:34:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3000, 12.5660 at 7 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
Gubbio PG 6 32216 32216
Costacciaro PG 14 1216 33432
Scheggia e Pascelupo PG 14 1393 34825
Sigillo PG 15 2404 37229
Valfabbrica PG 16 3389 40618
Fossato di Vico PG 16 2840 43458
Pietralunga PG 19 2111 45569
Umbertide PG 19 16681 62250
Gualdo Tadino PG 19 15208 77458

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Perugia (166134 inhabitants)
40 Km N of Foligno (57155 inhabitants)
58 Km E of Arezzo (99543 inhabitants)
71 Km SW of Fano (60888 inhabitants)
74 Km SW of Pesaro (94582 inhabitants)
82 Km N of Terni (111501 inhabitants)
85 Km W of Ancona (100861 inhabitants)
85 Km S of Rimini (147750 inhabitants)
97 Km S 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 0.5 2020-08-15
13:34:44		 43.2995 12.5663 7 2020-08-15
13:44:14		 Sala Sismica INGV-Roma 82012021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-15 13:34:44 ± 0.09
Latitude 43.2995 ± 0.0027
Longitude 12.5663 ± 0.0025
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82012021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 73
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26530
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 82012021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-15 13:44:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2020-08-15T13:36:31.68 3.0 undecidable manual Pg 23.01 0
CH.MUGIO.HHZ. 2020-08-15T13:36:15.37 3.0 undecidable manual Sg 18.309999 0
IV.MCRV.HHZ. 2020-08-15T13:36:14.61 3.0 undecidable manual Sn -0.62 0
IV.VCRE.HHZ. 2020-08-15T13:36:00.61 3.0 undecidable manual Sn -6.25 0
MN.CLTB.HHZ. 2020-08-15T13:36:00.67 3.0 undecidable manual Pn -4.93 0
IV.CAGR.HHZ. 2020-08-15T13:35:59.72 3.0 undecidable manual Pn -8.25 0
IV.ROSPO.HHZ. 2020-08-15T13:35:55.91 3.0 undecidable manual Sg 9.02 0
SI.KOSI.HHZ. 2020-08-15T13:35:43.93 3.0 undecidable manual Sn -6.09 0
GU.TRAV.HHZ. 2020-08-15T13:35:40.24 3.0 positive manual Pg 11.87 0
IV.MTMR.EHZ. 2020-08-15T13:35:39.48 3.0 undecidable manual Pg 10.18 0
IV.MCRV.HHZ. 2020-08-15T13:35:36.39 3.0 undecidable manual Pg 4.56 0
IV.CMPR.HHZ. 2020-08-15T13:35:29.71 3.0 undecidable manual Pn -8.12 0
GU.GRAM.HHZ. 2020-08-15T13:35:27.19 3.0 undecidable manual Sg 5.33 0
IV.RMP.HHZ. 2020-08-15T13:35:24.81 3.0 undecidable manual Sn -7.17 0
IV.ROSPO.HHZ. 2020-08-15T13:35:21.98 3.0 negative manual Pg 6.07 0
IV.RNI2.HHZ. 2020-08-15T13:35:21.36 3.0 positive manual Pg 5.95 0
IV.RAVA.EHZ. 2020-08-15T13:35:10.33 3.0 undecidable manual Sn -1.8 0
IV.RIBO.EHZ.01 2020-08-15T13:35:09.41 3.0 undecidable manual Sg 0.09 0
ST.RONC.EHZ. 2020-08-15T13:35:08.62 3.0 undecidable manual Pn -4.83 0
IV.MTRZ.HNZ. 2020-08-15T13:34:59.61 3.0 undecidable manual S -0.61 0
IV.PIEI.HHZ. 2020-08-15T13:34:53.70 0.3 undecidable manual S 355 26.3514 106 0.1 73
IV.FOSV.EHZ. 2020-08-15T13:34:50.21 0.6 undecidable manual S 92 15.7731 115 0.07 50
IV.ATSC.EHE. 2020-08-15T13:34:50.56 0.3 undecidable manual S 35 16.872 113 0.06 74
IV.ZCCA.HHZ. 2020-08-15T13:34:50.93 3.0 undecidable manual P -2.28 0
IV.ATVO.HHZ. 2020-08-15T13:34:50.21 0.3 undecidable manual S 305 15.7731 115 0.04 75
IV.ASSB.HHZ. 2020-08-15T13:34:49.95 0.1 undecidable manual P 165 29.4483 104 -0.25 93
IV.ATLO.EHE. 2020-08-15T13:34:49.34 0.3 undecidable manual S 278 12.9759 119 0.05 75
IV.PIEI.HHZ. 2020-08-15T13:34:49.58 0.3 undecidable manual P 355 26.3514 106 -0.02 74
IV.ATPC.HHN. 2020-08-15T13:34:48.82 0.3 undecidable manual P 336 21.9669 108 0.06 74
IV.ATLO.EHE. 2020-08-15T13:34:47.15 0.1 undecidable manual P 278 12.9759 119 0.05 100
IV.ATVO.HHZ. 2020-08-15T13:34:47.53 0.1 undecidable manual P 305 15.7731 115 -0.08 99
IV.MURB.HHZ. 2020-08-15T13:34:47.29 0.3 undecidable manual S 220 5.2947 144 0.04 76
IV.FOSV.EHZ. 2020-08-15T13:34:47.81 0.1 undecidable manual P 92 15.7731 115 0.21 96
IV.ATFO.HHZ. 2020-08-15T13:34:47.50 0.3 undecidable manual S 3 7.4814 134 -0.25 73
IV.ATSC.EHE. 2020-08-15T13:34:47.76 0.1 undecidable manual P 35 16.872 113 -0.04 99
IV.ATFO.HHZ. 2020-08-15T13:34:46.09 0.1 undecidable manual P 3 7.4814 134 -0.12 99
IV.MURB.HHZ. 2020-08-15T13:34:46.05 0.1 undecidable manual P 220 5.2947 144 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.5 0.000015809999999999996 0.84 AML other m 2020-08-15T13:35:05.27
IV.MURB.HHE. ML:0.0 0.0003085764 0.224 AML other m 2020-08-15T13:34:49.81
IV.MURB.HHN. ML:0.0 0.00019535279999999998 0.3008 AML other m 2020-08-15T13:34:49.89
IV.ATFO.HHN. ML:0.4 0.00004735686 0.2176 AML other m 2020-08-15T13:34:47.60
IV.ATFO.HHE. ML:0.5 0.000057327369999999994 0.1792 AML other m 2020-08-15T13:34:47.78
IV.ATVO.HHE. ML:0.7 0.00005029869 0.1984 AML other m 2020-08-15T13:34:50.43
IV.ATVO.HHN. ML:0.6 0.000038327060000000005 0.2176 AML other m 2020-08-15T13:34:50.41
IV.PIEI.HHE. ML:0.5 0.0000185347 0.32 AML other m 2020-08-15T13:34:54.32
IV.PIEI.HHN. ML:0.4 0.000015862225 0.224 AML other m 2020-08-15T13:34:54.17
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