Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 20-09-2020 and time 10:25:05 (UTC) in region 5 km SW Fossato di Vico (PG)

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

  • 20-09-2020 10:25:05 (UTC)
  • 20-09-2020 12:25:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2640, 12.7200 at 11 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
Fossato di Vico PG 5 2840 2840
Gualdo Tadino PG 6 15208 18048
Sigillo PG 8 2404 20452
Costacciaro PG 11 1216 21668
Valfabbrica PG 15 3389 25057
Gubbio PG 15 32216 57273
Scheggia e Pascelupo PG 16 1393 58666
Fabriano AN 17 31480 90146
Nocera Umbra PG 18 5839 95985
Esanatoglia MC 18 2034 98019
Fiuminata MC 19 1402 99421

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
34 Km N of Foligno (57155 inhabitants)
69 Km SW of Fano (60888 inhabitants)
71 Km E of Arezzo (99543 inhabitants)
74 Km S of Pesaro (94582 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
78 Km N of Terni (111501 inhabitants)
90 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
Reviewed
Rev100 		ML 0.9 2020-09-20
10:25:05		 43.264 12.7202 11 2020-09-20
10:51:53		 Sala Sismica INGV-Roma 83057371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-20 10:25:05 ± 0.04
Latitude 43.2640 ± 0.0027
Longitude 12.7202 ± 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 83057371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 236
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 178
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39300
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 83057371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-20 10:51:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-09-20T10:25:19.90 0.6 undecidable manual S 116 43.623 90 0.46 43
IV.ARVD.HHZ. 2020-09-20T10:25:16.16 0.3 undecidable manual S 34 31.5462 90 -0.05 71
IV.EL6.EHZ. 2020-09-20T10:25:16.30 0.3 undecidable manual S 77 31.6461 90 0.05 71
IV.ATVO.HHZ. 2020-09-20T10:25:15.52 0.3 undecidable manual S 297 28.4493 91 0.11 71
IV.ASSB.HHZ. 2020-09-20T10:25:14.31 0.3 undecidable manual S 191 25.0527 91 -0.18 69
IV.CSP1.EHZ. 2020-09-20T10:25:13.42 1.0 positive manual P 116 43.623 90 -0.06 23
IV.APEC.HHZ. 2020-09-20T10:25:13.01 3.0 undecidable manual S 0
IV.ATFO.HHZ. 2020-09-20T10:25:12.22 0.3 undecidable manual S 314 16.5723 92 0 74
IV.SNTG.HHZ. 2020-09-20T10:25:12.39 0.3 undecidable manual S 93 17.871 92 -0.17 71
IV.MURB.HHZ. 2020-09-20T10:25:12.21 0.6 undecidable manual S 270 15.7731 93 0.19 47
IV.EL6.EHZ. 2020-09-20T10:25:11.84 0.3 undecidable manual P 77 31.6461 90 0.2 69
IV.ATVO.HHZ. 2020-09-20T10:25:11.01 0.6 positive manual P 297 28.4493 91 -0.14 47
IV.ARVD.HHZ. 2020-09-20T10:25:11.35 1.0 negative manual P 34 31.5462 90 -0.27 23
IV.ASSB.HHZ. 2020-09-20T10:25:10.40 0.1 positive manual P 191 25.0527 91 -0.23 92
IV.APEC.HHZ. 2020-09-20T10:25:10.63 3.0 undecidable manual P 0
IV.ATCC.EHZ. 2020-09-20T10:25:10.93 0.3 undecidable manual S 217 10.878 116 0.18 72
IV.MURB.HHZ. 2020-09-20T10:25:09.06 0.6 negative manual P 270 15.7731 93 -0.14 48
IV.FOSV.EHZ. 2020-09-20T10:25:09.47 0.1 undecidable manual S 44 4.7952 150 -0.09 100
IV.ATFO.HHZ. 2020-09-20T10:25:09.24 0.3 negative manual P 314 16.5723 92 -0.07 73
IV.SNTG.HHZ. 2020-09-20T10:25:09.39 0.6 positive manual P 93 17.871 92 -0.12 48
IV.ATCC.EHZ. 2020-09-20T10:25:08.56 0.1 undecidable manual P 217 10.878 116 0.09 98
IV.FOSV.EHZ. 2020-09-20T10:25:07.77 0.1 undecidable manual P 44 4.7952 150 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:1.1 0.00015261360000000003 0.1216 AML other m 2020-09-20T10:25:11.16
IV.ATCC.EHN. ML:1.0 0.00011595724999999999 0.1408 AML other m 2020-09-20T10:25:11.14
IV.MURB.HHE. ML:1.3 0.00016316089999999998 0.224 AML other m 2020-09-20T10:25:12.52
IV.MURB.HHN. ML:1.2 0.00014201144999999998 0.1984 AML other m 2020-09-20T10:25:12.63
IV.MURB.HNE. ML:1.3 0.00018376685 0.2368 AML other m 2020-09-20T10:25:12.54
IV.MURB.HNN. ML:1.1 0.00011082097499999999 0.2304 AML other m 2020-09-20T10:25:13.50
IV.ATFO.HHE. ML:0.6 0.000031074375 0.1792 AML other m 2020-09-20T10:25:12.40
IV.ATFO.HHN. ML:0.6 0.00003713534 0.16 AML other m 2020-09-20T10:25:12.34
IV.SNTG.HHE. ML:0.7 0.000039535940000000005 0.1024 AML other m 2020-09-20T10:25:12.96
IV.SNTG.HHN. ML:0.9 0.000060518315 0.1024 AML other m 2020-09-20T10:25:13.08
IV.SSFR.HHE. ML:0.9 0.00006185621 0.2176 AML other m 2020-09-20T10:25:13.32
IV.SSFR.HHN. ML:0.8 0.00005039265499999999 0.1024 AML other m 2020-09-20T10:25:13.76
IV.SSFR.HNE. ML:1.0 0.00006548756999999999 0.2944 AML other m 2020-09-20T10:25:14.55
IV.ASSB.HHE. ML:0.8 0.000034197185 0.1024 AML other m 2020-09-20T10:25:14.58
IV.ASSB.HHN. ML:0.8 0.000037533460000000006 0.1216 AML other m 2020-09-20T10:25:14.69
IV.ATVO.HHE. ML:0.0 0.0000066985085 0.224 AML other m 2020-09-20T10:25:15.73
IV.ARVD.HHE. ML:0.5 0.000014426555 0.096 AML other m 2020-09-20T10:25:16.27
IV.ARVD.HHN. ML:0.5 0.000016469814999999997 0.0768 AML other m 2020-09-20T10:25:16.43
IV.EL6.EHE. ML:1.0 0.00005217571 0.1408 AML other m 2020-09-20T10:25:16.47
IV.EL6.EHN. ML:1.0 0.0000463932415 0.1792 AML other m 2020-09-20T10:25:16.47
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