Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 07-11-2021 and time 16:00:25 (UTC) in region 7 km NE Gualdo Tadino (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km NE Gualdo Tadino (PG), on

  • 07-11-2021 16:00:25 (UTC)
  • 07-11-2021 17:00:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2740, 12.8540 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
Gualdo Tadino PG 7 15208 15208
Fossato di Vico PG 8 2840 18048
Esanatoglia MC 8 2034 20082
Fabriano AN 8 31480 51562
Sigillo PG 11 2404 53966
Fiuminata MC 11 1402 55368
Cerreto d'Esi AN 12 3817 59185
Matelica MC 13 9981 69166
Pioraco MC 15 1134 70300
Costacciaro PG 15 1216 71516
Sefro MC 16 422 71938
Gagliole MC 18 620 72558
Castelraimondo MC 18 4587 77145
Sassoferrato AN 18 7285 84430
Genga AN 19 1797 86227
Nocera Umbra PG 19 5839 92066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
65 Km S of Fano (60888 inhabitants)
66 Km SW of Ancona (100861 inhabitants)
71 Km S of Pesaro (94582 inhabitants)
81 Km N of Terni (111501 inhabitants)
81 Km E of Arezzo (99543 inhabitants)
91 Km S of Rimini (147750 inhabitants)
97 Km NW of Teramo (54892 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 1.0 2021-11-07
16:00:25		 43.2738 12.8542 11 2021-11-07
16:11:53		 Sala Sismica INGV-Roma 97318931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-07 16:00:25 ± 0.04
Latitude 43.2738 ± 0.0018
Longitude 12.8542 ± 0.0037
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97318931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 241
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 25
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) 0.31386
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 97318931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-07 16:11:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CROCE.HHZ. 2021-11-07T16:01:38.79 3.0 undecidable manual Pn -2.08 0
IV.ESCV.HHZ. 2021-11-07T16:01:29.53 3.0 positive manual Pn 0.34 0
IV.VAGA.HNZ. 2021-11-07T16:01:26.97 3.0 undecidable manual Sg 8.12 0
AC.VLO.HHZ. 2021-11-07T16:01:22.17 3.0 undecidable manual Pn 0.02 0
IV.NOV.HHZ. 2021-11-07T16:01:20.45 3.0 undecidable manual Pn -5.85 0
IX.SCL3.EHZ.02 2021-11-07T16:00:50.29 3.0 undecidable manual Pn -3.17 0
IV.ICAI.EHZ. 2021-11-07T16:00:49.07 3.0 negative manual Pn 1.78 0
IV.VAGA.HNZ. 2021-11-07T16:00:48.03 3.0 undecidable manual Pg 8.95 0
CR.STON.BHZ. 2021-11-07T16:00:44.06 3.0 undecidable manual Pn -3.86 0
IV.GIUL.HHZ. 2021-11-07T16:00:43.93 3.0 positive manual Pg 9.2 0
IV.VOBA.EHZ. 2021-11-07T16:00:41.42 3.0 undecidable manual Sn 2.53 0
IV.CSP1.EHZ. 2021-11-07T16:00:37.45 0.3 undecidable manual S 125 34.8429 91 0.37 66
IV.FDMO.HHZ. 2021-11-07T16:00:36.55 0.3 undecidable manual S 144 32.3454 91 0.12 70
IV.CESI.HHZ. 2021-11-07T16:00:35.64 0.3 undecidable manual S 172 30.1476 91 -0.18 70
IV.LPEL.HHZ. 2021-11-07T16:00:35.57 3.0 undecidable manual Pg 4.75 0
IV.FRON.EHE. 2021-11-07T16:00:35.45 0.3 undecidable manual S 339 28.9488 91 -0.07 71
IV.ARVD.HHN. 2021-11-07T16:00:34.73 0.3 undecidable manual S 16 25.8519 91 0.05 73
IV.ATCC.EHZ. 2021-11-07T16:00:33.37 0.3 undecidable manual S 240 19.869 92 0.28 70
IV.EL6.EHZ. 2021-11-07T16:00:33.46 0.3 undecidable manual S 73 20.9679 92 0.09 72
IV.CSP1.EHZ. 2021-11-07T16:00:32.12 0.1 undecidable manual P 125 34.8429 91 0.01 96
IV.MML1.EHZ. 2021-11-07T16:00:32.90 0.3 undecidable manual S 152 20.1687 92 -0.27 70
IV.SSFR.HHZ. 2021-11-07T16:00:32.74 0.3 undecidable manual S 342 18.9699 93 -0.1 72
IV.CESI.HHZ. 2021-11-07T16:00:31.28 0.1 undecidable manual P 172 30.1476 91 -0.1 95
IV.FRON.EHE. 2021-11-07T16:00:31.03 0.1 undecidable manual P 339 28.9488 91 -0.18 93
IV.FDMO.HHZ. 2021-11-07T16:00:31.64 0.1 undecidable manual P 144 32.3454 91 -0.09 95
IV.ARVD.HHN. 2021-11-07T16:00:30.61 0.3 undecidable manual P 16 25.8519 91 -0.12 71
IV.FOSV.EHZ. 2021-11-07T16:00:30.10 0.3 undecidable manual S 287 7.881 133 0.01 75
IV.ATSC.EHZ. 2021-11-07T16:00:30.08 0.3 undecidable manual P 321 21.4674 92 0.03 74
IV.EL6.EHZ. 2021-11-07T16:00:30.00 0.1 undecidable manual P 73 20.9679 92 0.03 98
IV.FIU1.HNE. 2021-11-07T16:00:30.60 0.3 undecidable manual S 146 11.3775 115 -0.25 71
IV.SNTG.HHZ. 2021-11-07T16:00:30.11 0.3 undecidable manual S 107 7.2927 136 0.13 74
IV.ATCC.EHZ. 2021-11-07T16:00:29.93 0.1 undecidable manual P 240 19.869 92 0.12 96
IV.MML1.EHZ. 2021-11-07T16:00:29.83 0.1 undecidable manual P 152 20.1687 92 -0.02 98
IV.SSFR.HHZ. 2021-11-07T16:00:29.63 0.1 undecidable manual P 342 18.9699 93 -0.03 98
IV.FIU1.HNE. 2021-11-07T16:00:28.52 0.1 undecidable manual P 146 11.3775 115 0 100
IV.SNTG.HHZ. 2021-11-07T16:00:28.10 0.1 undecidable manual P 107 7.2927 136 0.09 99
IV.FOSV.EHZ. 2021-11-07T16:00:28.21 0.1 undecidable manual P 287 7.881 133 0.14 98
MN.TRI.HHZ. 2021-11-07T16:00:25.45 3.0 undecidable manual S -1.92 0
SI.BOSI.HHZ. 2021-11-07T16:00:20.60 3.0 positive manual Pg 0.38 0
IV.MDI.HHZ. 2021-11-07T16:00:19.96 3.0 undecidable manual Pg -4.11 0
IV.ZEN8.EHZ. 2021-11-07T16:00:16.57 3.0 undecidable manual P 1.79 0
MN.TRI.HHZ. 2021-11-07T16:00:07.39 3.0 negative manual Pn -2.77 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.8 0.00008625 0.08 AML other m 2021-11-07T16:00:30.24
IV.FOSV.EHN. ML:0.9 0.00009365 0.26 AML other m 2021-11-07T16:00:30.37
IV.SNTG.HHN. ML:0.8 0.000094 0.28 AML other m 2021-11-07T16:00:31.37
IV.SNTG.HHE. ML:0.7 0.00007000000000000001 1.4 AML other m 2021-11-07T16:00:32.78
IV.MML1.EHE. ML:1.1 0.0000965 0.26 AML other m 2021-11-07T16:00:33.32
IV.MML1.EHN. ML:1.0 0.0000752 0.74 AML other m 2021-11-07T16:00:33.81
IV.EL6.EHN. ML:1.5 0.0001965 0.52 AML other m 2021-11-07T16:00:34.27
IV.EL6.EHE. ML:1.6 0.000266 1.28 AML other m 2021-11-07T16:00:34.65
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