Earthquake with magnitude of ML 0.9 on date 09-08-2020 and time 15:16:25 (UTC) in region 4 km SW Gubbio (PG)

A magnitude ML 0.9 earthquake occured in region: 4 km SW Gubbio (PG), on

  • 09-08-2020 15:16:25 (UTC)
  • 09-08-2020 17:16:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3210, 12.5530 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.

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 4 32216 32216
Scheggia e Pascelupo PG 13 1393 33609
Costacciaro PG 14 1216 34825
Sigillo PG 15 2404 37229
Pietralunga PG 17 2111 39340
Fossato di Vico PG 17 2840 42180
Cantiano PU 18 2245 44425
Umbertide PG 18 16681 61106
Valfabbrica PG 18 3389 64495
Montone PG 19 1680 66175

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Perugia (166134 inhabitants)
42 Km NW of Foligno (57155 inhabitants)
57 Km E of Arezzo (99543 inhabitants)
69 Km SW of Fano (60888 inhabitants)
72 Km SW of Pesaro (94582 inhabitants)
82 Km S of Rimini (147750 inhabitants)
85 Km W of Ancona (100861 inhabitants)
85 Km N of Terni (111501 inhabitants)
94 Km S of Cesena (96758 inhabitants)
99 Km E of Siena (53903 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 2020-08-09
15:16:25
43.321 12.553 10 2020-08-09
15:21:30
Sala Sismica INGV-Roma 81814311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-09 15:16:25 ± 0.06
Latitude 43.3210 ± 0.0027
Longitude 12.5530 ± 0.0037
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 81814311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 251
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33275
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:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 81814311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-09 15:21:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-08-09T15:16:37.72 0.6 undecidable manual S 58 36.9297 50 -0.1 47
IV.NARO.HHZ. 2020-08-09T15:16:36.66 0.6 undecidable manual S 4 32.2455 50 0.1 48
IV.CAFI.HHZ. 2020-08-09T15:16:34.17 3.0 positive manual P -0.04 0
IV.ATMI.HHZ. 2020-08-09T15:16:34.14 0.6 undecidable manual S 274 23.0547 113 0.23 47
IV.ATPC.HHZ. 2020-08-09T15:16:33.06 0.6 undecidable manual S 336 19.3695 117 0.32 47
IV.ATPI.EHZ. 2020-08-09T15:16:32.39 0.6 undecidable manual S 320 18.87 118 -0.2 48
IV.ARVD.HHZ. 2020-08-09T15:16:32.48 0.1 undecidable manual P 58 36.9297 50 -0.01 96
IV.FOSV.HNZ. 2020-08-09T15:16:32.12 0.6 undecidable manual S 100 17.0718 120 0.08 49
IV.ATCC.EHZ. 2020-08-09T15:16:32.38 0.6 undecidable manual S 155 16.6722 121 0.46 45
IV.NARO.HHZ. 2020-08-09T15:16:31.60 0.1 undecidable manual P 4 32.2455 50 -0.17 94
IV.ASSB.HHZ. 2020-08-09T15:16:31.55 0.1 undecidable manual P 164 32.0457 50 -0.19 94
IV.ATSC.EHZ. 2020-08-09T15:16:31.78 0.6 undecidable manual S 43 15.6732 122 0.14 49
IV.ATMI.HHZ. 2020-08-09T15:16:30.47 0.1 undecidable manual P 274 23.0547 113 0.23 94
IV.ATVO.HHZ. 2020-08-09T15:16:30.68 0.6 undecidable manual S 300 13.5753 126 -0.36 47
IV.SSFR.HHZ. 2020-08-09T15:16:30.22 3.0 undecidable manual P 0.08 0
IV.ATCC.EHZ. 2020-08-09T15:16:29.23 0.1 undecidable manual P 155 16.6722 121 0.14 97
IV.ATPC.HHZ. 2020-08-09T15:16:29.79 0.1 undecidable manual P 336 19.3695 117 0.23 95
IV.ATPI.EHZ. 2020-08-09T15:16:29.51 0.1 undecidable manual P 320 18.87 118 0.04 99
IV.FOSV.HNZ. 2020-08-09T15:16:29.10 0.3 undecidable manual P 100 17.0718 120 -0.06 74
IV.ATSC.EHZ. 2020-08-09T15:16:29.03 0.1 undecidable manual P 43 15.6732 122 0.1 98
IV.ATVO.HHZ. 2020-08-09T15:16:28.56 0.1 positive manual P 300 13.5753 126 -0.02 100
IV.ATFO.HHZ. 2020-08-09T15:16:28.71 0.6 undecidable manual S 16 5.2947 152 -0.37 47
IV.MURB.HHZ. 2020-08-09T15:16:28.96 0.6 undecidable manual S 200 6.7932 145 -0.41 47
IV.ATFO.HHZ. 2020-08-09T15:16:27.32 0.1 undecidable manual P 16 5.2947 152 -0.13 99
IV.MURB.HHZ. 2020-08-09T15:16:27.52 0.1 undecidable manual P 200 6.7932 145 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:1.1 0.00020899999999999998 0.56 AML other m 2020-08-09T15:16:29.18
IV.ATFO.HHN. ML:0.9 0.0001295 1.28 AML other m 2020-08-09T15:16:29.87
IV.MURB.HHN. ML:1.6 0.0006545000000000001 0.2 AML other m 2020-08-09T15:16:29.37
IV.MURB.HHE. ML:1.5 0.0004975 1.38 AML other m 2020-08-09T15:16:29.22
IV.ATVO.HHN. ML:0.8 0.00007230000000000001 0.12 AML other m 2020-08-09T15:16:31.08
IV.ATVO.HHE. ML:1.0 0.00010389999999999999 0.18 AML other m 2020-08-09T15:16:31.11
IV.ATCC.EHE. ML:0.8 0.000058450000000000005 1.28 AML other m 2020-08-09T15:16:33.76
IV.ATCC.EHN. ML:0.8 0.000048549999999999994 0.48 AML other m 2020-08-09T15:16:36.66
IV.NARO.HHE. ML:0.6 0.00002205 0.06 AML other m 2020-08-09T15:16:37.06
IV.ASSB.HHN. ML:0.8 0.0000318 0.58 AML other m 2020-08-09T15:16:37.21
IV.NARO.HHN. ML:0.5 0.000013350000000000001 1.2 AML other m 2020-08-09T15:16:37.07
IV.ASSB.HHE. ML:1.0 0.000048899999999999996 0.06 AML other m 2020-08-09T15:16:48.55
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