Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 13-10-2021 and time 16:54:26 (UTC) in region 2 km W Fossato di Vico (PG)

A magnitude ML 1.4 earthquake occured in region: 2 km W Fossato di Vico (PG), on

  • 13-10-2021 16:54:26 (UTC)
  • 13-10-2021 18:54:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2860, 12.7340 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.

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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
Sigillo PG 5 2404 5244
Gualdo Tadino PG 7 15208 20452
Costacciaro PG 8 1216 21668
Scheggia e Pascelupo PG 14 1393 23061
Gubbio PG 15 32216 55277
Fabriano AN 15 31480 86757
Esanatoglia MC 18 2034 88791
Valfabbrica PG 18 3389 92180
Fiuminata MC 19 1402 93582
Sassoferrato AN 20 7285 100867
Nocera Umbra PG 20 5839 106706

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
37 Km N of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
71 Km S of Pesaro (94582 inhabitants)
72 Km E of Arezzo (99543 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
81 Km N of Terni (111501 inhabitants)
87 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 1.4 2021-10-13
16:54:26		 43.2862 12.7345 10 2021-10-13
17:01:43		 Sala Sismica INGV-Roma 96508241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-13 16:54:26 ± 0.04
Latitude 43.2862 ± 0.0027
Longitude 12.7345 ± 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 96508241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
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) 58
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39390
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 96508241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-13 17:01:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ESAL.HHZ. 2021-10-13T16:55:59.76 3.0 negative manual Pg 11.35 0
IV.ZEN8.EHZ. 2021-10-13T16:55:54.41 3.0 undecidable manual Sg 12.43 0
IV.EUCT.HNZ. 2021-10-13T16:55:53.11 3.0 undecidable manual Sn -1.31 0
IV.CAPR.HNZ. 2021-10-13T16:55:53.33 3.0 undecidable manual Sn 2.69 0
IX.SCL3.EHZ.02 2021-10-13T16:55:50.89 3.0 undecidable manual Sn -0.89 0
IX.COL3.HHZ.02 2021-10-13T16:55:48.89 3.0 undecidable manual Sn -1.15 0
IV.ICAI.EHZ. 2021-10-13T16:55:41.63 3.0 undecidable manual Sg 3.39 0
IV.TREM.HHZ. 2021-10-13T16:55:38.10 3.0 undecidable manual Sg 10.79 0
IV.PAOL.HHZ. 2021-10-13T16:55:31.85 3.0 undecidable manual Sn -3.75 0
IX.COL3.HHZ.02 2021-10-13T16:55:23.77 3.0 negative manual Pg 11.39 0
IV.TST01.HHZ. 2021-10-13T16:55:17.35 3.0 undecidable manual Sn -1.49 0
OT.OT17.EHZ. 2021-10-13T16:55:12.07 3.0 positive manual Pg 9.94 0
IV.PAOL.HHZ. 2021-10-13T16:55:09.99 3.0 undecidable manual Pg 5.72 0
IV.ZEN8.EHZ. 2021-10-13T16:55:06.27 3.0 undecidable manual Pn -1.58 0
IV.POFI.HHZ. 2021-10-13T16:54:53.29 3.0 undecidable manual P 1.22 0
IV.NARO.HHZ. 2021-10-13T16:54:39.71 0.6 undecidable manual S 341 38.1285 50 0.1 49
IV.ATPI.EHZ. 2021-10-13T16:54:38.04 0.6 undecidable manual S 304 32.4453 50 -0.06 50
IV.ARVD.HHZ. 2021-10-13T16:54:37.03 0.3 undecidable manual S 35 28.8489 50 -0.1 74
IV.EL6.EHZ. 2021-10-13T16:54:37.68 0.6 undecidable manual S 81 30.0477 50 0.23 48
IV.FRON.EHZ. 2021-10-13T16:54:36.48 0.6 undecidable manual S 358 25.6521 50 0.18 49
IV.ASSB.HHZ. 2021-10-13T16:54:36.69 0.6 undecidable manual S 193 27.75 50 -0.14 49
IV.MML1.EHZ. 2021-10-13T16:54:36.23 1.0 undecidable manual S 135 27.1506 50 -0.45 23
IV.CSP1.EHZ. 2021-10-13T16:54:35.09 0.1 undecidable manual P 119 43.7229 50 0.04 98
IV.NARO.HHZ. 2021-10-13T16:54:34.26 0.6 positive manual P 341 38.1285 50 0.08 49
IV.FDMO.HHZ. 2021-10-13T16:54:34.31 0.1 undecidable manual P 134 39.7269 50 -0.13 96
IV.ATPI.EHZ. 2021-10-13T16:54:33.53 1.0 negative manual P 304 32.4453 50 0.22 24
IV.SNTG.HHZ. 2021-10-13T16:54:33.64 0.3 undecidable manual S 102 16.9719 121 0.01 77
IV.EL6.EHZ. 2021-10-13T16:54:33.04 0.1 undecidable manual P 81 30.0477 50 0.1 99
IV.ATSC.EHZ. 2021-10-13T16:54:33.03 0.6 undecidable manual S 346 15.7731 123 -0.23 49
IV.MURB.HHZ. 2021-10-13T16:54:33.68 0.6 undecidable manual S 261 17.1717 120 0.01 51
IV.ASSB.HHZ. 2021-10-13T16:54:32.50 1.0 undecidable manual P 193 27.75 50 -0.08 25
IV.MML1.EHZ. 2021-10-13T16:54:32.14 0.1 undecidable manual P 135 27.1506 50 -0.35 94
IV.ARVD.HHZ. 2021-10-13T16:54:32.80 0.1 undecidable manual P 35 28.8489 50 0.05 100
IV.ATCC.EHZ. 2021-10-13T16:54:32.63 0.6 undecidable manual S 214 13.5753 127 0 52
IV.FRON.EHZ. 2021-10-13T16:54:32.47 1.0 undecidable manual P 358 25.6521 50 0.2 24
IV.SNTG.HHZ. 2021-10-13T16:54:31.14 0.1 undecidable manual P 102 16.9719 121 0.41 95
IV.ATCC.EHZ. 2021-10-13T16:54:30.36 0.1 positive manual P 214 13.5753 127 0.2 99
IV.ATSC.EHZ. 2021-10-13T16:54:30.20 0.1 undecidable manual P 346 15.7731 123 -0.32 97
IV.MURB.HHZ. 2021-10-13T16:54:30.92 0.1 positive manual P 261 17.1717 120 0.17 100
IV.FOSV.EHZ. 2021-10-13T16:54:30.07 0.6 undecidable manual S 66 2.3976 167 -0.29 50
IV.FOSV.EHZ. 2021-10-13T16:54:28.74 1.0 undecidable manual P 66 2.3976 167 -0.1 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.4 0.0002545 0.14 AML other m 2021-10-13T16:54:32.85
IV.ATCC.EHE. ML:1.5 0.000338 1.88 AML other m 2021-10-13T16:54:33.98
IV.SNTG.HHE. ML:1.2 0.0001275 1.3 AML other m 2021-10-13T16:54:33.96
IV.SNTG.HHN. ML:1.4 0.000195 1.8 AML other m 2021-10-13T16:54:34.92
IV.MURB.HHN. ML:1.4 0.00022221570000000002 0.1536 AML other m 2021-10-13T16:54:34.18
IV.MURB.HHE. ML:1.4 0.000237 0.2 AML other m 2021-10-13T16:54:35.48
IV.MML1.EHN. ML:1.0 0.0000544 1.42 AML other m 2021-10-13T16:54:37.82
IV.MML1.EHE. ML:1.0 0.000053099999999999996 0.84 AML other m 2021-10-13T16:54:37.21
IV.CSP1.EHN. ML:1.6 0.00011515000000000001 0.42 AML other m 2021-10-13T16:54:37.76
IV.CSP1.EHE. ML:1.6 0.00011275 0.42 AML other m 2021-10-13T16:54:43.12
IV.MURB.HNE. ML:1.4 0.00021788165 0.1664 AML other m 2021-10-13T16:54:34.51
IV.MURB.HNN. ML:1.4 0.000240597 0.1792 AML other m 2021-10-13T16:54:34.65
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