Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 05-11-2021 and time 11:13:52 (UTC) in region 3 km N Costacciaro (PG)

A magnitude ML 1.0 earthquake occured in region: 3 km N Costacciaro (PG), on

  • 05-11-2021 11:13:52 (UTC)
  • 05-11-2021 12:13:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3860, 12.7110 at 12 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
Costacciaro PG 3 1216 1216
Scheggia e Pascelupo PG 4 1393 2609
Sigillo PG 6 2404 5013
Fossato di Vico PG 11 2840 7853
Gubbio PG 11 32216 40069
Cantiano PU 12 2245 42314
Serra Sant'Abbondio PU 13 1027 43341
Sassoferrato AN 13 7285 50626
Frontone PU 15 1300 51926
Fabriano AN 17 31480 83406
Gualdo Tadino PG 18 15208 98614
Cagli PU 19 8731 107345
Genga AN 19 1797 109142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
57 Km SW of Fano (60888 inhabitants)
61 Km S of Pesaro (94582 inhabitants)
68 Km E of Arezzo (99543 inhabitants)
70 Km W of Ancona (100861 inhabitants)
76 Km S of Rimini (147750 inhabitants)
92 Km SE of Cesena (96758 inhabitants)
92 Km N of Terni (111501 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 2021-11-05
11:13:52		 43.3857 12.711 12 2021-11-05
11:18:17		 Sala Sismica INGV-Roma 97271681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-05 11:13:52 ± 0.06
Latitude 43.3857 ± 0.0036
Longitude 12.7110 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97271681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 386
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.22123
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 97271681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-05 11:18:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2021-11-05T11:14:01.38 0.1 undecidable manual S 128 23.5542 94 0.16 97
IV.ATCC.EHZ. 2021-11-05T11:14:01.13 0.1 undecidable manual S 194 22.9548 94 0.06 99
IV.ATVO.HHZ. 2021-11-05T11:14:01.36 0.1 undecidable manual S 269 24.5532 94 -0.13 98
IV.PIEI.HHZ. 2021-11-05T11:14:00.72 0.1 undecidable manual S 320 21.867 95 -0.06 99
IV.MURB.HHZ. 2021-11-05T11:14:00.61 0.1 undecidable manual S 228 20.2686 96 0.25 96
IV.FRON.EHZ. 2021-11-05T11:13:59.10 0.1 undecidable manual S 5 14.6742 106 0.21 99
IV.ATFO.HHZ. 2021-11-05T11:13:58.24 0.1 undecidable manual S 259 11.4774 119 0.15 100
IV.MURB.HHZ. 2021-11-05T11:13:57.05 0.3 negative manual P 228 20.2686 96 0.03 75
IV.SNTG.HHZ. 2021-11-05T11:13:57.27 0.6 undecidable manual P 128 23.5542 94 -0.25 48
IV.ATCC.EHZ. 2021-11-05T11:13:57.32 0.1 positive manual P 194 22.9548 94 -0.12 99
IV.FOSV.EHZ. 2021-11-05T11:13:57.80 0.1 undecidable manual S 158 10.878 121 -0.15 100
IV.PIEI.HHZ. 2021-11-05T11:13:57.02 0.6 positive manual P 320 21.867 95 -0.25 48
IV.ATVO.HHZ. 2021-11-05T11:13:57.51 0.6 positive manual P 269 24.5532 94 -0.17 49
IV.FRON.EHZ. 2021-11-05T11:13:56.10 1.0 undecidable manual P 5 14.6742 106 -0.08 25
IV.FOSV.EHZ. 2021-11-05T11:13:55.52 0.3 positive manual P 158 10.878 121 -0.12 75
IV.ATFO.HHZ. 2021-11-05T11:13:55.79 1.0 positive manual P 259 11.4774 119 0.07 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:0.9 0.00007780000000000001 0.24 AML other m 2021-11-05T11:13:58.21
IV.ATFO.HHE. ML:0.8 0.00007280000000000001 0.7 AML other m 2021-11-05T11:13:58.61
IV.MURB.HHN. ML:1.2 0.0001247 0.24 AML other m 2021-11-05T11:14:00.89
IV.ATCC.EHE. ML:1.0 0.00005745 0.82 AML other m 2021-11-05T11:14:01.25
IV.ATCC.EHN. ML:1.0 0.000056800000000000005 0.58 AML other m 2021-11-05T11:14:01.30
IV.MURB.HHE. ML:1.2 0.0001225 0.3 AML other m 2021-11-05T11:14:01.33
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