Earthquake with magnitude of ML 0.9 on date 22-09-2020 and time 22:22:52 (Italy) in region 1 km SW Fossato di Vico (PG)

A magnitude ML 0.9 earthquake occured in region: 1 km SW Fossato di Vico (PG), on

  • 22-09-2020 20:22:52 (UTC)
  • 22-09-2020 22:22:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.29, 12.76 at 13 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
Fossato di Vico PG 1 2840 2840
Sigillo PG 5 2404 5244
Gualdo Tadino PG 7 15208 20452
Costacciaro PG 8 1216 21668
Fabriano AN 13 31480 53148
Scheggia e Pascelupo PG 15 1393 54541
Gubbio PG 16 32216 86757
Esanatoglia MC 16 2034 88791
Sassoferrato AN 18 7285 96076
Fiuminata MC 18 1402 97478
Cerreto d'Esi AN 19 3817 101295
Valfabbrica PG 19 3389 104684

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Perugia (166134 inhabitants)
37 Km N of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
70 Km S of Pesaro (94582 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
82 Km N of Terni (111501 inhabitants)
87 Km S of Rimini (147750 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.9 2020-09-22
20:22:52
43.29 12.76 13 2020-09-22
20:29:36
Sala Sismica INGV-Roma 83138471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-22 20:22:52 ± 0.08
Latitude 43.29 ± 0.00
Longitude 12.76 ± 0.01
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83138471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 665
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 670
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.34354
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 83138471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-22 20:29:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
SL.KOGS.BHZ. 2020-09-22T20:24:04.67 3.0 negative manual Pg 12.43 0
XK.GIZZ.HHZ. 2020-09-22T20:24:02.23 3.0 negative manual Pn 2.85 0
CR.ZAG.BHZ. 2020-09-22T20:23:59.78 3.0 positive manual Pg 15.12 0
IV.PTRJ.HNZ. 2020-09-22T20:23:59.29 3.0 undecidable manual Sn 0.03 0
RF.GEPF.HHZ. 2020-09-22T20:23:34.81 3.0 undecidable manual Pn 1.1 0
CH.BERNI.HHZ. 2020-09-22T20:23:32.64 3.0 undecidable manual Pn -2.44 0
IV.SARZ.HHZ. 2020-09-22T20:23:22.50 3.0 undecidable manual Pn 0.18 0
IV.NARO.HHZ. 2020-09-22T20:23:05.67 0.3 undecidable manual S 338 0.3435 94 0.16 69
IV.FRON.EHZ. 2020-09-22T20:23:02.04 0.3 undecidable manual S 354 0.2275 99 -0.05 72
IV.NARO.HHZ. 2020-09-22T20:23:00.05 0.1 undecidable manual P 338 0.3435 94 -0.11 93
IV.ATFO.HHZ. 2020-09-22T20:23:00.00 0.6 undecidable manual S 299 0.1538 110 0.03 49
IV.ATCC.EHZ. 2020-09-22T20:22:59.49 0.1 undecidable manual S 219 0.1358 115 0.03 98
IV.FRON.EHZ. 2020-09-22T20:22:58.27 1.0 positive manual P 354 0.2275 99 0.09 24
IV.FOSV.EHZ. 2020-09-22T20:22:57.17 0.1 undecidable manual S 43 0.0054 177 -0.04 100
IV.ATFO.HHZ. 2020-09-22T20:22:56.94 0.1 undecidable manual P 299 0.1538 110 -0.02 98
IV.CPGN.EHZ. 2020-09-22T20:22:56.56 3.0 undecidable manual P -2.58 0
IV.ATCC.EHZ. 2020-09-22T20:22:56.71 1.0 undecidable manual P 219 0.1358 115 0.04 24
IV.FOSV.EHZ. 2020-09-22T20:22:55.45 0.1 undecidable manual P 43 0.0054 177 0.09 99
IV.BARO.EHZ. 2020-09-22T20:22:55.37 3.0 undecidable manual P -0.72 0
IV.ARCI.HHZ. 2020-09-22T20:22:44.30 3.0 undecidable manual S 0.32 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARCI.HHE. ML:1.7 4.06E-5 0.52 AML other m 2020-09-22T20:22:50.20
IV.ARCI.HHN. ML:1.9 6.473E-5 0.3 AML other m 2020-09-22T20:22:51.21
IV.FOSV.EHN. ML:0.7 6.545E-5 0.12 AML other m 2020-09-22T20:22:57.20
IV.FOSV.EHE. ML:0.6 5.155E-5 0.08 AML other m 2020-09-22T20:22:57.20
IV.ATCC.EHN. ML:1.1 9.915E-5 0.12 AML other m 2020-09-22T20:22:59.63
IV.ATCC.EHE. ML:1.1 0.00010555 0.1 AML other m 2020-09-22T20:22:59.75
IV.SARZ.HHE. ML:3.2 0.0001435 0.06 AML other m 2020-09-22T20:24:09.89
IV.SARZ.HHN. ML:3.4 0.0001825 1.54 AML other m 2020-09-22T20:24:10.94
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download