Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 29-05-2021 and time 20:56:53 (Italy) in region 4 km NW Gubbio (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km NW Gubbio (PG), on

  • 29-05-2021 18:56:53 (UTC)
  • 29-05-2021 20:56:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3730, 12.5410 at 7 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
Gubbio PG 4 32216 32216
Scheggia e Pascelupo PG 11 1393 33609
Pietralunga PG 11 2111 35720
Cantiano PU 13 2245 37965
Costacciaro PG 14 1216 39181
Sigillo PG 17 2404 41585
Montone PG 17 1680 43265
Umbertide PG 19 16681 59946
Fossato di Vico PG 20 2840 62786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
84 Km W of Ancona (100861 inhabitants)
88 Km S of Cesena (96758 inhabitants)
91 Km N of Terni (111501 inhabitants)
98 Km E of Siena (53903 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 2021-05-29
18:56:53		 43.3732 12.5412 7 2021-05-29
19:05:15		 Sala Sismica INGV-Roma 90612241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-29 18:56:53 ± 0.06
Latitude 43.3732 ± 0.0036
Longitude 12.5412 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90612241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.55938
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 90612241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-29 19:05:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-05-29T18:57:13.68 0.6 undecidable manual S 120 62.0934 50 0.31 44
IV.PARC.HHZ. 2021-05-29T18:57:07.16 0.6 undecidable manual S 322 39.0276 50 -0.08 48
IV.MPAG.EHZ. 2021-05-29T18:57:05.40 0.6 undecidable manual S 32 33.4443 102 0.02 49
IV.CSP1.EHZ. 2021-05-29T18:57:04.75 1.0 positive manual P 120 62.0934 50 -0.23 22
IV.BADI.EHZ. 2021-05-29T18:57:03.94 0.6 undecidable manual S 302 28.3494 104 0.28 47
IV.FDMO.HHZ. 2021-05-29T18:57:03.95 0.6 positive manual P 130 57.7977 50 -0.38 43
IV.CAFI.HHZ. 2021-05-29T18:57:02.30 0.6 negative manual P 264 46.62 50 -0.31 45
IV.ATCC.EHZ. 2021-05-29T18:57:02.33 0.6 undecidable manual S 159 22.3554 108 0.66 42
IV.FRON.EHZ. 2021-05-29T18:57:01.70 0.6 undecidable manual S 43 21.867 108 0.19 48
IV.PARC.HHZ. 2021-05-29T18:57:01.39 0.6 undecidable manual P 322 39.0276 50 -0.05 48
IV.MPAG.EHZ. 2021-05-29T18:57:00.62 0.6 negative manual P 32 33.4443 102 0.25 46
IV.ARVD.HHZ. 2021-05-29T18:57:00.47 0.6 negative manual P 67 35.1426 102 -0.23 47
IV.NARO.HHZ. 2021-05-29T18:56:59.01 0.6 undecidable manual P 7 26.5512 105 -0.03 49
IV.ATPI.EHZ. 2021-05-29T18:56:59.43 0.6 undecidable manual S 308 14.0748 117 0.4 47
IV.BADI.EHZ. 2021-05-29T18:56:59.33 0.1 negative manual P 302 28.3494 104 -0.05 98
IV.FRON.EHZ. 2021-05-29T18:56:58.19 0.6 negative manual P 43 21.867 108 0.05 49
IV.ATCC.EHZ. 2021-05-29T18:56:58.24 0.6 undecidable manual P 159 22.3554 108 0.02 50
IV.ATMI.HHZ. 2021-05-29T18:56:58.10 0.6 undecidable manual P 259 22.4553 108 -0.14 48
IV.ATVO.HHZ. 2021-05-29T18:56:57.97 0.6 undecidable manual S 275 10.878 124 -0.1 50
IV.MURB.HHZ. 2021-05-29T18:56:56.45 0.1 positive manual P 186 12.2766 121 0.07 100
IV.ATPI.EHZ. 2021-05-29T18:56:56.78 0.3 positive manual P 308 14.0748 117 0.08 75
IV.ATVO.HHZ. 2021-05-29T18:56:56.10 0.3 positive manual P 275 10.878 124 -0.04 76
IV.ATFO.HHZ. 2021-05-29T18:56:55.67 0.6 undecidable manual S 106 2.5974 161 -0.53 46
IV.ATFO.HHZ. 2021-05-29T18:56:54.81 0.6 undecidable manual P 106 2.5974 161 -0.25 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.0 0.00013729391 0.0768 AML other m 2021-05-29T18:56:58.24
IV.ATVO.HHE. ML:1.4 0.000323 0.14 AML other m 2021-05-29T18:56:58.24
IV.ATPI.EHE. ML:1.0 0.000116 0.48 AML other m 2021-05-29T18:56:59.68
IV.ATPI.EHN. ML:0.9 0.00009085619 0.576 AML other m 2021-05-29T18:57:00.50
IV.ATCC.EHE. ML:1.3 0.000143 0.12 AML other m 2021-05-29T18:57:02.63
IV.ATCC.EHN. ML:1.5 0.000202 0.24 AML other m 2021-05-29T18:57:02.61
IV.FRON.EHN. ML:1.2 0.00012458715 0.1664 AML other m 2021-05-29T18:57:02.03
IV.FRON.EHE. ML:1.0 0.00007972432 0.1024 AML other m 2021-05-29T18:57:02.92
IV.BADI.EHN. ML:1.4 0.0001495 1.84 AML other m 2021-05-29T18:57:03.06
IV.NARO.HHN. ML:0.7 0.000029793725 0.1408 AML other m 2021-05-29T18:57:04.68
IV.BADI.EHE. ML:1.6 0.00021 0.16 AML other m 2021-05-29T18:57:04.05
IV.NARO.HHE. ML:0.7 0.00003225 1 AML other m 2021-05-29T18:57:05.55
IV.ARVD.HHN. ML:0.7 0.000020499999999999997 0.14 AML other m 2021-05-29T18:57:06.36
IV.ATMI.HHE. ML:0.9 0.0000494 0.4 AML other m 2021-05-29T18:57:07.35
IV.ARVD.HHE. ML:0.9 0.0000302 0.94 AML other m 2021-05-29T18:57:07.23
IV.PARC.HHE. ML:0.8 0.00002325 0.28 AML other m 2021-05-29T18:57:08.26
IV.PARC.HHN. ML:0.8 0.00002665 0.6 AML other m 2021-05-29T18:57:08.69
IV.ATMI.HHN. ML:0.8 0.00003996202 0.4864 AML other m 2021-05-29T18:57:08.53
IV.FDMO.HHN. ML:0.8 0.00001645 0.24 AML other m 2021-05-29T18:57:12.88
IV.FDMO.HHE. ML:0.8 0.0000144 0.78 AML other m 2021-05-29T18:57:14.34
IV.ATFO.HHE. ML:0.0 0.00129701 0.384 AML other m 2021-05-29T18:56:56.22
IV.ATFO.HHN. ML:0.0 0.0013970354999999998 0.32 AML other m 2021-05-29T18:56:56.12
IV.ATPI.HNE. ML:1.2 0.0001528227 0.4608 AML other m 2021-05-29T18:56:59.60
IV.ATPI.HNN. ML:1.2 0.00019641350000000003 2.1504 AML other m 2021-05-29T18:56:59.94
IV.CSP1.EHE. ML:1.3 0.00004144870925 4.7232 AML other m 2021-05-29T18:57:03.86
IV.CSP1.EHN. ML:1.4 0.00004654149000000001 2.3168 AML other m 2021-05-29T18:57:16.14
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