Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 22-11-2021 and time 01:43:25 (UTC) in region 3 km S Fossato di Vico (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km S Fossato di Vico (PG), on

  • 22-11-2021 01:43:25 (UTC)
  • 22-11-2021 02:43:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2690, 12.7730 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 3 2840 2840
Gualdo Tadino PG 4 15208 18048
Sigillo PG 7 2404 20452
Costacciaro PG 11 1216 21668
Fabriano AN 13 31480 53148
Esanatoglia MC 14 2034 55182
Fiuminata MC 16 1402 56584
Scheggia e Pascelupo PG 17 1393 57977
Nocera Umbra PG 18 5839 63816
Cerreto d'Esi AN 18 3817 67633
Gubbio PG 18 32216 99849
Valfabbrica PG 18 3389 103238
Matelica MC 19 9981 113219
Sefro MC 20 422 113641
Pioraco MC 20 1134 114775
Sassoferrato AN 20 7285 122060

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Foligno (57155 inhabitants)
36 Km NE of Perugia (166134 inhabitants)
67 Km SW of Fano (60888 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
72 Km S of Pesaro (94582 inhabitants)
75 Km E of Arezzo (99543 inhabitants)
79 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 2021-11-22
01:43:25		 43.2693 12.7727 11 2021-11-22
02:14:09		 Sala Sismica INGV-Roma 97674021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-22 01:43:25 ± 0.03
Latitude 43.2693 ± 0.0027
Longitude 12.7727 ± 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 97674021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 129
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 179
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.12321
Epicentral distance of station farthest from the epicenter (degree) 0.36872
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 97674021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-22 02:14:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2021-11-22T01:43:34.06 0.1 undecidable manual S 137 23.6541 50 0.05 98
IV.NARO.HHZ. 2021-11-22T01:43:33.00 0.6 undecidable manual P 338 40.9257 50 0.06 48
IV.MURB.HHZ. 2021-11-22T01:43:33.18 0.1 undecidable manual S 268 20.0688 50 0.13 97
IV.CSP1.EHZ. 2021-11-22T01:43:32.93 1.0 negative manual P 119 40.1265 50 0.11 24
IV.CING.HHZ. 2021-11-22T01:43:32.38 0.6 negative manual P 71 36.1416 50 0.18 47
IV.ATCC.EHZ. 2021-11-22T01:43:31.39 0.1 undecidable manual S 229 14.1747 127 0 100
IV.PIEI.HHZ. 2021-11-22T01:43:31.97 1.0 positive manual P 327 35.2425 50 -0.09 24
IV.SNTG.HHZ. 2021-11-22T01:43:31.16 0.1 undecidable manual S 97 13.6752 128 -0.08 100
IV.MML1.EHZ. 2021-11-22T01:43:30.34 0.6 positive manual P 137 23.6541 50 0.06 49
IV.ASSB.HHZ. 2021-11-22T01:43:30.60 0.1 positive manual P 200 26.751 50 -0.17 95
IV.EL6.EHZ. 2021-11-22T01:43:30.91 0.6 positive manual P 76 27.3504 50 0.05 49
IV.ARVD.HHZ. 2021-11-22T01:43:30.86 0.6 undecidable manual P 28 28.749 50 -0.21 47
IV.MURB.HHZ. 2021-11-22T01:43:29.71 0.3 positive manual P 268 20.0688 50 -0.02 74
IV.SNTG.HHZ. 2021-11-22T01:43:28.75 0.3 positive manual P 97 13.6752 128 0.07 74
IV.ATCC.EHZ. 2021-11-22T01:43:28.78 1.0 undecidable manual P 229 14.1747 127 0.01 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:0.9 0.00008195 0.06 AML other m 2021-11-22T01:43:31.45
IV.ATCC.EHE. ML:0.9 0.0000698 0.4 AML other m 2021-11-22T01:43:31.66
IV.SNTG.HHE. ML:0.9 0.0000761 0.76 AML other m 2021-11-22T01:43:31.60
IV.ATCC.EHN. ML:0.9 0.00007189999999999999 0.28 AML other m 2021-11-22T01:43:31.46
IV.MURB.HHE. ML:1.0 0.00007350000000000001 0.5 AML other m 2021-11-22T01:43:33.43
IV.MURB.HHN. ML:1.0 0.0000677 0.7 AML other m 2021-11-22T01:43:33.77
IV.ASSB.HHN. ML:0.7 0.000022850000000000003 0.82 AML other m 2021-11-22T01:43:35.04
IV.ASSB.HHE. ML:0.8 0.0000317 0.44 AML other m 2021-11-22T01:43:35.82
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