Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 19-11-2021 and time 19:16:41 (Italy) in region 6 km SW Cagli (PU)

A magnitude ML 1.2 earthquake occured in region: 6 km SW Cagli (PU), on

  • 19-11-2021 18:16:41 (UTC)
  • 19-11-2021 19:16:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5190, 12.5900 at 6 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
Cantiano PU 6 2245 2245
Cagli PU 6 8731 10976
Piobbico PU 10 2029 13005
Frontone PU 12 1300 14305
Acqualagna PU 13 4393 18698
Scheggia e Pascelupo PG 14 1393 20091
Apecchio PU 14 1882 21973
Pietralunga PG 15 2111 24084
Serra Sant'Abbondio PU 15 1027 25111
Urbania PU 18 7099 32210
Fermignano PU 18 8596 40806
Gubbio PG 18 32216 73022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NE of Perugia (166134 inhabitants)
50 Km SW of Fano (60888 inhabitants)
51 Km SW of Pesaro (94582 inhabitants)
57 Km E of Arezzo (99543 inhabitants)
60 Km S of Rimini (147750 inhabitants)
63 Km N of Foligno (57155 inhabitants)
74 Km SE of Cesena (96758 inhabitants)
76 Km W of Ancona (100861 inhabitants)
90 Km SE of Forlì (117913 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 1.2 2021-11-19
18:16:41		 43.5187 12.5895 6 2021-11-19
18:23:12		 Sala Sismica INGV-Roma 97601311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-19 18:16:41 ± 0.11
Latitude 43.5187 ± 0.0054
Longitude 12.5895 ± 0.0062
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97601311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 551
Semi-minor axis of confidence ellipse (meter) 237
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 180
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41729
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 97601311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-19 18:23:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRSN.EHZ. 2021-11-19T18:17:12.04 3.0 undecidable manual S 0.25 0
IV.MTRA.EHZ. 2021-11-19T18:17:11.31 3.0 undecidable manual S -4.06 0
IV.EL6.EHZ. 2021-11-19T18:16:56.99 0.3 undecidable manual S 117 46.3203 50 -0.59 62
IV.EL6.EHZ. 2021-11-19T18:16:52.25 0.1 undecidable manual P 117 46.3203 50 1.44 55
IV.BADI.EHZ. 2021-11-19T18:16:51.23 0.6 undecidable manual S 268 27.75 101 -0.17 47
IV.CPGN.EHZ. 2021-11-19T18:16:49.67 1.0 undecidable manual P 326 38.0286 98 0.41 22
IV.ATVO.HHZ. 2021-11-19T18:16:49.12 0.6 undecidable manual S 224 21.1677 105 -0.02 49
IV.ATPI.EHZ. 2021-11-19T18:16:48.05 0.6 undecidable manual S 243 16.872 108 0.33 47
IV.MPAG.EHZ. 2021-11-19T18:16:48.30 0.6 undecidable manual S 48 18.3705 107 0.08 49
IV.MURB.HHZ. 2021-11-19T18:16:47.34 0.6 undecidable manual P 190 28.8489 101 -0.1 48
IV.ARVD.HHZ. 2021-11-19T18:16:47.03 0.6 negative manual P 94 28.4493 101 -0.33 46
IV.SSFR.HHZ. 2021-11-19T18:16:47.91 0.6 undecidable manual S 120 17.9709 107 -0.19 48
IV.PARC.HHZ. 2021-11-19T18:16:47.33 0.1 undecidable manual P 297 31.6461 100 -0.67 82
IV.APEC.HHZ. 2021-11-19T18:16:47.27 0.6 undecidable manual S 288 14.3745 111 0.38 46
IV.ATFO.HHZ. 2021-11-19T18:16:47.85 0.6 undecidable manual S 185 16.9719 108 0.11 49
IV.BADI.EHZ. 2021-11-19T18:16:46.92 1.0 negative manual P 268 27.75 101 -0.31 23
IV.PE3.EHZ. 2021-11-19T18:16:46.17 1.0 negative manual P 339 21.0678 105 0.25 24
IV.SSFR.HHZ. 2021-11-19T18:16:45.19 0.6 positive manual P 120 17.9709 107 -0.15 48
IV.NARO.HHZ. 2021-11-19T18:16:45.69 0.6 undecidable manual S 356 10.2786 119 0.08 50
IV.ATVO.HHZ. 2021-11-19T18:16:45.77 0.3 positive manual P 224 21.1677 105 -0.16 72
IV.ATFO.HHZ. 2021-11-19T18:16:45.14 0.6 undecidable manual P 185 16.9719 108 0.01 50
IV.FRON.EHZ. 2021-11-19T18:16:45.95 0.6 undecidable manual S 90 10.9779 117 0.12 49
IV.ATPI.EHZ. 2021-11-19T18:16:45.14 0.1 positive manual P 243 16.872 108 0.03 100
IV.MPAG.EHZ. 2021-11-19T18:16:45.18 1.0 undecidable manual P 48 18.3705 107 -0.22 24
IV.APEC.HHZ. 2021-11-19T18:16:44.77 0.1 undecidable manual P 288 14.3745 111 0.14 98
IV.FRON.EHZ. 2021-11-19T18:16:44.08 0.1 undecidable manual P 90 10.9779 117 0.06 100
IV.NARO.HHZ. 2021-11-19T18:16:43.81 0.1 undecidable manual P 356 10.2786 119 -0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHN. ML:1.4 0.0003695 0.06 AML other m 2021-11-19T18:16:45.82
IV.FRON.EHN. ML:1.5 0.0005295 0.12 AML other m 2021-11-19T18:16:46.09
IV.FRON.EHE. ML:1.2 0.0002145 0.08 AML other m 2021-11-19T18:16:46.12
IV.NARO.HHE. ML:1.3 0.000308 0.2 AML other m 2021-11-19T18:16:46.10
IV.APEC.HHN. ML:1.4 0.0002785 0.26 AML other m 2021-11-19T18:16:47.37
IV.APEC.HHE. ML:1.2 0.00017199999999999998 0.76 AML other m 2021-11-19T18:16:47.79
IV.ATFO.HHN. ML:1.2 0.0001365 1.48 AML other m 2021-11-19T18:16:48.16
IV.ATPI.EHN. ML:1.0 0.00009900000000000001 0.4 AML other m 2021-11-19T18:16:48.15
IV.MPAG.EHE. ML:1.1 0.0001115 0.24 AML other m 2021-11-19T18:16:48.33
IV.ATPI.EHE. ML:1.2 0.00013795 0.64 AML other m 2021-11-19T18:16:48.14
IV.SSFR.HHE. ML:1.3 0.0001985 0.14 AML other m 2021-11-19T18:16:48.60
IV.SSFR.HHN. ML:1.2 0.00014000000000000001 0.62 AML other m 2021-11-19T18:16:48.63
IV.MPAG.EHN. ML:1.0 0.0000807 1.48 AML other m 2021-11-19T18:16:49.15
IV.ATFO.HHE. ML:1.1 0.00011049999999999999 0.56 AML other m 2021-11-19T18:16:49.35
IV.ATVO.HHN. ML:1.0 0.00008395 0.32 AML other m 2021-11-19T18:16:49.27
IV.ATVO.HHE. ML:1.1 0.00010045000000000002 0.8 AML other m 2021-11-19T18:16:49.26
IV.BADI.EHE. ML:1.1 0.0000748 0.32 AML other m 2021-11-19T18:16:51.93
IV.BADI.EHN. ML:1.1 0.00006984999999999999 0.28 AML other m 2021-11-19T18:16:51.77
IV.ARVD.HHE. ML:0.9 0.000041400000000000003 0.46 AML other m 2021-11-19T18:16:52.45
IV.MURB.HHE. ML:1.3 0.00011745 0.16 AML other m 2021-11-19T18:16:52.62
IV.MURB.HHN. ML:1.3 0.00011625 1.06 AML other m 2021-11-19T18:16:53.00
IV.ARVD.HHN. ML:0.8 0.00003195 0.88 AML other m 2021-11-19T18:16:53.06
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