Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 03-10-2021 and time 18:04:10 (Italy) in region 6 km NE Nocera Umbra (PG)

A magnitude ML 1.4 earthquake occured in region: 6 km NE Nocera Umbra (PG), on

  • 03-10-2021 16:04:10 (UTC)
  • 03-10-2021 18:04:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1500, 12.8490 at 18 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
Nocera Umbra PG 6 5839 5839
Fiuminata MC 8 1402 7241
Sefro MC 8 422 7663
Gualdo Tadino PG 11 15208 22871
Pioraco MC 12 1134 24005
Serravalle di Chienti MC 12 1070 25075
Valtopina PG 13 1398 26473
Esanatoglia MC 14 2034 28507
Muccia MC 18 915 29422
Fossato di Vico PG 18 2840 32262
Matelica MC 18 9981 42243
Camerino MC 18 6974 49217
Castelraimondo MC 18 4587 53804

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Foligno (57155 inhabitants)
38 Km E of Perugia (166134 inhabitants)
68 Km N of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
78 Km S of Fano (60888 inhabitants)
85 Km S of Pesaro (94582 inhabitants)
86 Km E of Arezzo (99543 inhabitants)
89 Km NW of Teramo (54892 inhabitants)
99 Km NW of L'Aquila (69753 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 2021-10-03
16:04:10		 43.15 12.8493 18 2021-10-03
16:17:40		 Sala Sismica INGV-Roma 96176101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-03 16:04:10 ± 0.07
Latitude 43.1500 ± 0.0018
Longitude 12.8493 ± 0.0037
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 96176101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 278
Semi-minor axis of confidence ellipse (meter) 137
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) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
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) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.45865
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:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 96176101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-03 16:17:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-10-03T16:04:26.24 0.3 undecidable manual S 329 49.7169 101 -0.03 71
IV.GAVE.EHZ. 2021-10-03T16:04:26.85 0.3 undecidable manual S 176 50.9157 101 0.28 67
IV.NRCA.HHZ. 2021-10-03T16:04:23.98 0.3 undecidable manual S 148 41.1255 104 -0.05 71
IV.CING.HHZ. 2021-10-03T16:04:23.35 0.3 undecidable manual S 48 37.5291 106 0.26 68
IV.MC2.EHZ. 2021-10-03T16:04:23.71 0.3 undecidable manual S 134 38.2284 105 0.45 66
IV.MURB.HHZ. 2021-10-03T16:04:21.50 0.3 undecidable manual S 296 29.1486 112 0.54 66
IV.SSFR.HHZ. 2021-10-03T16:04:21.62 0.3 undecidable manual S 350 32.2455 109 -0.12 71
IV.CSP1.EHZ. 2021-10-03T16:04:21.30 0.3 undecidable manual S 103 29.4483 111 0.24 70
IV.FEMA.HNZ. 2021-10-03T16:04:20.38 0.3 undecidable manual S 142 26.4513 115 0.08 73
IV.PF6.EHZ. 2021-10-03T16:04:20.77 0.3 undecidable manual S 93 27.9498 113 0.09 72
IV.EL6.EHZ. 2021-10-03T16:04:20.90 0.3 undecidable manual S 46 28.4493 112 0.09 72
IV.GAVE.EHZ. 2021-10-03T16:04:19.64 0.1 undecidable manual P 176 50.9157 101 -0.08 93
IV.FDMO.HHZ. 2021-10-03T16:04:19.31 0.3 undecidable manual S 123 23.0547 119 -0.18 71
IV.PIEI.HHZ. 2021-10-03T16:04:19.42 0.3 undecidable manual P 329 49.7169 101 -0.12 69
IV.ATCC.EHZ. 2021-10-03T16:04:18.57 0.3 undecidable manual S 283 17.3715 128 0.33 71
IV.ASSB.HHZ. 2021-10-03T16:04:18.70 0.3 undecidable manual S 232 19.4694 124 0.01 74
IV.FOSV.EHZ. 2021-10-03T16:04:18.11 0.3 undecidable manual S 336 17.5713 128 -0.17 72
IT.MTCL.HGZ. 2021-10-03T16:04:18.98 0.3 undecidable manual S 145 21.1677 122 -0.08 73
IV.CING.HHZ. 2021-10-03T16:04:17.74 0.1 undecidable manual P 48 37.5291 106 0.03 96
IV.SNTG.HHZ. 2021-10-03T16:04:17.28 0.3 undecidable manual S 32 13.7751 136 -0.24 71
IV.MC2.EHZ. 2021-10-03T16:04:17.72 0.1 undecidable manual P 134 38.2284 105 -0.09 95
IV.NRCA.HHZ. 2021-10-03T16:04:17.99 0.1 undecidable manual P 148 41.1255 104 -0.26 91
IV.CESI.HHZ. 2021-10-03T16:04:17.87 0.3 undecidable manual S 164 16.6722 130 -0.22 71
IV.MML1.EHZ. 2021-10-03T16:04:17.01 0.3 undecidable manual S 112 10.6782 144 0.02 75
IV.EL6.EHZ. 2021-10-03T16:04:16.40 0.1 undecidable manual P 46 28.4493 112 0.01 98
IV.CSP1.EHZ. 2021-10-03T16:04:16.46 0.1 undecidable manual P 103 29.4483 111 -0.07 97
IV.MURB.HHZ. 2021-10-03T16:04:16.56 0.1 undecidable manual P 296 29.1486 112 0.08 97
IV.FEMA.HNZ. 2021-10-03T16:04:16.43 0.1 undecidable manual P 142 26.4513 115 0.33 92
IV.SSFR.HHZ. 2021-10-03T16:04:16.86 0.1 undecidable manual P 350 32.2455 109 -0.07 96
IV.PF6.EHZ. 2021-10-03T16:04:16.16 0.1 undecidable manual P 93 27.9498 113 -0.15 95
IT.MTCL.HGZ. 2021-10-03T16:04:15.39 0.1 undecidable manual P 145 21.1677 122 0.01 99
IV.ASSB.HHZ. 2021-10-03T16:04:15.07 0.1 undecidable manual P 232 19.4694 124 -0.1 97
IV.FDMO.HHZ. 2021-10-03T16:04:15.48 0.1 undecidable manual P 123 23.0547 119 -0.15 96
IV.CESI.HHZ. 2021-10-03T16:04:14.69 0.1 undecidable manual P 164 16.6722 130 -0.13 97
IV.MML1.EHZ. 2021-10-03T16:04:14.08 0.1 undecidable manual P 112 10.6782 144 -0.11 98
IV.FOSV.EHZ. 2021-10-03T16:04:14.75 0.1 undecidable manual P 336 17.5713 128 -0.18 96
IV.SNTG.HHZ. 2021-10-03T16:04:14.56 0.1 undecidable manual P 32 13.7751 136 0.07 100
IV.ATCC.EHZ. 2021-10-03T16:04:14.93 0.1 undecidable manual P 283 17.3715 128 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:1.0 0.00007005 0.7 AML other m 2021-10-03T16:04:17.10
IV.MML1.EHE. ML:1.4 0.00022649999999999998 0.52 AML other m 2021-10-03T16:04:17.21
IV.MML1.EHN. ML:1.4 0.0001847688 0.192 AML other m 2021-10-03T16:04:17.62
IV.CESI.HHE. ML:1.4 0.00017649999999999998 0.2 AML other m 2021-10-03T16:04:18.16
IV.CESI.HHN. ML:1.3 0.00011899999999999999 0.16 AML other m 2021-10-03T16:04:18.15
IV.SNTG.HHE. ML:0.9 0.00005615936000000001 0.1024 AML other m 2021-10-03T16:04:17.65
IV.FOSV.EHN. ML:1.0 0.00005765 0.18 AML other m 2021-10-03T16:04:18.27
IV.FOSV.EHE. ML:1.0 0.000057799999999999995 0.5 AML other m 2021-10-03T16:04:18.17
IV.ATCC.EHE. ML:1.5 0.0001915 0.22 AML other m 2021-10-03T16:04:18.68
IV.ASSB.HHN. ML:1.6 0.000242 0.24 AML other m 2021-10-03T16:04:18.86
IV.ATCC.EHN. ML:1.6 0.00024050000000000002 0.32 AML other m 2021-10-03T16:04:18.79
IV.ASSB.HHE. ML:1.2 0.00009785 0.48 AML other m 2021-10-03T16:04:19.16
IV.FDMO.HHE. ML:1.3 0.0001125 0.4 AML other m 2021-10-03T16:04:19.47
IV.FDMO.HHN. ML:1.1 0.00006785 0.46 AML other m 2021-10-03T16:04:21.33
IV.MURB.HHN. ML:1.4 0.0001215 0.16 AML other m 2021-10-03T16:04:22.06
IV.SSFR.HHE. ML:1.5 0.00011649999999999999 0.18 AML other m 2021-10-03T16:04:22.49
IV.MURB.HHE. ML:1.5 0.00014000000000000001 0.24 AML other m 2021-10-03T16:04:22.32
IV.SSFR.HHN. ML:1.5 0.00011627132000000001 0.1408 AML other m 2021-10-03T16:04:23.05
IV.CING.HHE. ML:1.2 0.000053849999999999994 0.3 AML other m 2021-10-03T16:04:23.64
IV.CING.HHN. ML:1.4 0.0000821 0.6 AML other m 2021-10-03T16:04:23.63
IV.NRCA.HHE. ML:1.7 0.000153 0.32 AML other m 2021-10-03T16:04:24.18
IV.NRCA.HHN. ML:1.7 0.00014950000000000003 0.08 AML other m 2021-10-03T16:04:24.91
IV.PIEI.HHN. ML:1.1 0.000029049999999999998 0.48 AML other m 2021-10-03T16:04:26.72
IV.PIEI.HHE. ML:1.3 0.00004514999999999999 0.12 AML other m 2021-10-03T16:04:26.88
IV.MML1.HNE. ML:1.3 0.00015350609999999998 0.0768 AML other m 2021-10-03T16:04:17.42
IV.MML1.HNN. ML:1.4 0.0001933793 0.2048 AML other m 2021-10-03T16:04:17.61
IV.EL6.EHE. ML:1.5 0.00014742405 0.1792 AML other m 2021-10-03T16:04:21.61
IV.EL6.EHN. ML:1.5 0.0001565672 0.1792 AML other m 2021-10-03T16:04:21.15
IV.CSP1.EHE. ML:1.3 0.00009050381500000001 0.2816 AML other m 2021-10-03T16:04:21.43
IV.CSP1.EHN. ML:1.4 0.00011940381499999999 0.1408 AML other m 2021-10-03T16:04:21.56
IV.MURB.HNE. ML:1.5 0.0001407795 0.2304 AML other m 2021-10-03T16:04:22.21
IV.MURB.HNN. ML:1.4 0.00011249628000000001 0.192 AML other m 2021-10-03T16:04:21.95
IV.GAVE.EHE. ML:1.4 0.00006487569499999999 0.256 AML other m 2021-10-03T16:04:28.32
IV.GAVE.EHN. ML:1.3 0.0000463473 0.1408 AML other m 2021-10-03T16:04:27.81
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