Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 03-11-2020 and time 00:31:20 (Italy) in region 4 km SW Cagli (PU)

A magnitude ML 1.1 earthquake occured in region: 4 km SW Cagli (PU), on

  • 02-11-2020 23:31:20 (UTC)
  • 03-11-2020 00:31:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5270, 12.6080 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
Cagli PU 4 8731 8731
Cantiano PU 6 2245 10976
Piobbico PU 10 2029 13005
Frontone PU 11 1300 14305
Acqualagna PU 11 4393 18698
Serra Sant'Abbondio PU 14 1027 19725
Scheggia e Pascelupo PG 15 1393 21118
Apecchio PU 16 1882 23000
Pietralunga PG 17 2111 25111
Fermignano PU 17 8596 33707
Urbania PU 17 7099 40806
Pergola PU 19 6333 47139
Gubbio PG 19 32216 79355

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km SW of Fano (60888 inhabitants)
49 Km SW of Pesaro (94582 inhabitants)
50 Km NE of Perugia (166134 inhabitants)
59 Km E of Arezzo (99543 inhabitants)
60 Km S of Rimini (147750 inhabitants)
64 Km N of Foligno (57155 inhabitants)
74 Km SE of Cesena (96758 inhabitants)
74 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 1.1 2020-11-02
23:31:20		 43.5273 12.6078 11 2020-11-02
23:36:52		 Sala Sismica INGV-Roma 84401181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-02 23:31:20 ± 0.06
Latitude 43.5273 ± 0.0036
Longitude 12.6078 ± 0.0050
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 84401181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 382
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.48563
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 84401181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-02 23:36:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-11-02T23:31:37.83 0.6 undecidable manual S 176 53.9016 50 0.37 44
IV.EL6.EHZ. 2020-11-02T23:31:35.50 0.6 undecidable manual S 119 45.4212 50 0.31 45
IV.COR1.EHZ. 2020-11-02T23:31:33.27 0.3 undecidable manual S 70 33.6441 50 1.24 48
IV.ATCC.EHZ. 2020-11-02T23:31:33.99 0.6 undecidable manual S 176 38.0286 50 0.77 39
IV.PARC.HHZ. 2020-11-02T23:31:31.80 0.3 undecidable manual S 295 32.5452 50 0.04 73
IV.BADI.EHZ. 2020-11-02T23:31:31.06 0.3 undecidable manual S 266 29.3484 50 0.18 71
IV.MURB.HHZ. 2020-11-02T23:31:31.44 0.3 undecidable manual S 193 30.0477 50 0.35 69
IV.ASSB.HHZ. 2020-11-02T23:31:30.23 0.1 undecidable manual P 176 53.9016 50 -0.06 93
IV.FOSV.EHZ. 2020-11-02T23:31:30.44 0.3 undecidable manual S 154 28.5492 50 -0.26 70
IV.ARVD.HHZ. 2020-11-02T23:31:29.88 0.3 undecidable manual S 97 27.0507 50 -0.4 68
IV.PE3.EHZ. 2020-11-02T23:31:29.02 0.6 undecidable manual S 334 20.7681 117 0.45 45
IV.EL6.EHZ. 2020-11-02T23:31:29.33 1.0 negative manual P 119 45.4212 50 0.35 22
IV.ATPI.EHZ. 2020-11-02T23:31:28.22 0.3 undecidable manual S 243 18.5703 120 0.31 71
IV.ATVO.HHZ. 2020-11-02T23:31:28.95 0.6 undecidable manual S 225 22.8549 50 -0.21 48
IV.ATFO.HHZ. 2020-11-02T23:31:27.77 0.3 undecidable manual S 189 18.0708 120 0.02 75
IV.MPAG.EHZ. 2020-11-02T23:31:27.22 0.6 undecidable manual S 47 16.6722 122 -0.11 49
IV.COR1.EHZ. 2020-11-02T23:31:27.42 0.6 undecidable manual P 70 33.6441 50 0.26 46
IV.SSFR.HHZ. 2020-11-02T23:31:27.50 0.6 undecidable manual S 126 17.2716 121 -0.03 50
IV.ATCC.EHZ. 2020-11-02T23:31:27.72 1.0 positive manual P 176 38.0286 50 -0.12 24
IV.CRTC.HHZ. 2020-11-02T23:31:27.22 1.0 undecidable manual P 39 34.743 50 -0.11 24
IV.APEC.HHZ. 2020-11-02T23:31:27.44 0.3 undecidable manual S 283 15.4734 124 0.44 69
IV.BADI.EHZ. 2020-11-02T23:31:26.22 0.1 undecidable manual P 266 29.3484 50 -0.27 93
IV.MURB.HHZ. 2020-11-02T23:31:26.53 0.6 negative manual P 193 30.0477 50 -0.08 48
IV.PARC.HHZ. 2020-11-02T23:31:26.57 0.1 undecidable manual P 295 32.5452 50 -0.43 90
IV.FOSV.EHZ. 2020-11-02T23:31:26.04 1.0 undecidable manual P 154 28.5492 50 -0.34 23
IV.PE3.EHZ. 2020-11-02T23:31:25.04 0.3 negative manual P 334 20.7681 117 -0.12 73
IV.FRON.EHZ. 2020-11-02T23:31:25.79 0.3 undecidable manual S 96 9.5793 138 0.36 71
IV.ATVO.HHZ. 2020-11-02T23:31:25.14 0.6 positive manual P 225 22.8549 50 -0.36 46
IV.ARVD.HHZ. 2020-11-02T23:31:25.71 0.6 positive manual P 97 27.0507 50 -0.44 45
IV.NARO.HHZ. 2020-11-02T23:31:25.45 0.3 undecidable manual S 347 9.4794 138 0.03 76
IV.SSFR.HHZ. 2020-11-02T23:31:24.27 0.3 negative manual P 126 17.2716 121 -0.28 71
IV.APEC.HHZ. 2020-11-02T23:31:24.33 0.1 positive manual P 283 15.4734 124 0.08 99
IV.ATFO.HHZ. 2020-11-02T23:31:24.48 0.1 positive manual P 189 18.0708 120 -0.21 96
IV.MPAG.EHZ. 2020-11-02T23:31:24.19 0.1 negative manual P 47 16.6722 122 -0.25 96
IV.ATPI.EHZ. 2020-11-02T23:31:24.63 0.1 undecidable manual P 243 18.5703 120 -0.14 97
IV.NARO.HHZ. 2020-11-02T23:31:23.25 0.1 undecidable manual P 347 9.4794 138 -0.09 100
IV.FRON.EHZ. 2020-11-02T23:31:23.34 1.0 undecidable manual P 96 9.5793 138 0 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHN. ML:1.3 0.0002465 0.96 AML other m 2020-11-02T23:31:25.11
IV.NARO.HHE. ML:1.2 0.0002245 0.24 AML other m 2020-11-02T23:31:25.82
IV.FRON.EHE. ML:0.9 0.0001105 0.42 AML other m 2020-11-02T23:31:26.80
IV.FRON.EHN. ML:1.2 0.000194 0.42 AML other m 2020-11-02T23:31:26.87
IV.MPAG.EHN. ML:1.2 0.000136 0.1 AML other m 2020-11-02T23:31:27.31
IV.MPAG.EHE. ML:1.5 0.00028900000000000003 0.1 AML other m 2020-11-02T23:31:27.32
IV.APEC.HHN. ML:1.4 0.00025 0.12 AML other m 2020-11-02T23:31:27.59
IV.APEC.HHE. ML:1.6 0.0003485 0.16 AML other m 2020-11-02T23:31:27.66
IV.SSFR.HNE. ML:1.6 0.00033 0.3 AML other m 2020-11-02T23:31:27.80
IV.SSFR.HHE. ML:1.3 0.000177 1.5 AML other m 2020-11-02T23:31:28.92
IV.SSFR.HNN. ML:1.6 0.00033150000000000003 0.08 AML other m 2020-11-02T23:31:28.18
IV.SSFR.HHN. ML:1.4 0.0002095 0.1 AML other m 2020-11-02T23:31:28.18
IV.ATPI.EHN. ML:0.6 0.00003205 0.3 AML other m 2020-11-02T23:31:28.54
IV.ATFO.HHE. ML:1.0 0.00008774999999999999 0.5 AML other m 2020-11-02T23:31:28.49
IV.ATFO.HHN. ML:1.1 0.0000932 0.88 AML other m 2020-11-02T23:31:28.57
IV.ATPI.EHE. ML:0.6 0.0000366 1.06 AML other m 2020-11-02T23:31:29.56
IV.ATVO.HHN. ML:0.7 0.0000323 1.14 AML other m 2020-11-02T23:31:29.85
IV.ARVD.HHN. ML:1.0 0.000055400000000000005 0.18 AML other m 2020-11-02T23:31:30.17
IV.ARVD.HHE. ML:1.0 0.0000612 1.56 AML other m 2020-11-02T23:31:30.17
IV.ATVO.HHE. ML:0.6 0.00002695 0.58 AML other m 2020-11-02T23:31:31.82
IV.BADI.EHN. ML:0.8 0.0000356 0.84 AML other m 2020-11-02T23:31:31.18
IV.MURB.HHE. ML:1.1 0.000054800000000000004 0.38 AML other m 2020-11-02T23:31:32.25
IV.BADI.EHE. ML:0.8 0.000027950000000000002 1.2 AML other m 2020-11-02T23:31:32.95
IV.MURB.HHN. ML:1.1 0.0000625 0.3 AML other m 2020-11-02T23:31:34.54
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