Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 04-04-2022 and time 18:40:41 (Italy) in region 3 km E Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 3 km E Gubbio (PG), on

  • 04-04-2022 16:40:41 (UTC)
  • 04-04-2022 18:40:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3520, 12.6120 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 3 32216 32216
Scheggia e Pascelupo PG 7 1393 33609
Costacciaro PG 8 1216 34825
Sigillo PG 11 2404 37229
Cantiano PU 14 2245 39474
Fossato di Vico PG 14 2840 42314
Pietralunga PG 17 2111 44425
Gualdo Tadino PG 19 15208 59633

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
45 Km N of Foligno (57155 inhabitants)
60 Km E of Arezzo (99543 inhabitants)
64 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
79 Km S of Rimini (147750 inhabitants)
79 Km W of Ancona (100861 inhabitants)
88 Km N of Terni (111501 inhabitants)
92 Km SE of Cesena (96758 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 0.4 2022-04-04
16:40:41		 43.3525 12.6117 10 2022-04-04
16:46:43		 Sala Sismica INGV-Roma 102779961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-04 16:40:41 ± 0.18
Latitude 43.3525 ± 0.0036
Longitude 12.6117 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102779961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 42
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 317
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19156
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 102779961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-04 16:46:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HHE. 2022-04-04T16:40:49.50 0.3 undecidable manual S 319 18.87 117 0.18 71
IV.PIEI.HHZ. 2022-04-04T16:40:49.80 0.3 undecidable manual S 343 21.2676 114 -0.25 70
IV.SSFR.HHZ. 2022-04-04T16:40:48.40 0.6 undecidable manual S 56 16.5723 120 -0.21 47
IV.ATLO.EHZ. 2022-04-04T16:40:48.40 0.6 undecidable manual S 256 16.9719 119 -0.34 46
IV.ATBU.EHE. 2022-04-04T16:40:48.50 0.6 undecidable manual S 340 14.5743 123 0.48 45
IV.ATVO.HHZ. 2022-04-04T16:40:48.50 0.3 undecidable manual S 281 16.872 119 -0.19 71
IV.TB02.DHE.01 2022-04-04T16:40:48.40 0.6 undecidable manual S 277 16.4724 120 -0.17 48
IV.MURB.HHZ. 2022-04-04T16:40:47.50 0.3 undecidable manual S 215 12.1767 128 0.17 72
IV.PIEI.HHZ. 2022-04-04T16:40:46.46 1.0 undecidable manual P 343 21.2676 114 -0.18 24
IV.ATSC.EHZ. 2022-04-04T16:40:46.70 0.6 undecidable manual S 37 9.9789 134 -0.05 50
IV.FRON.EHZ. 2022-04-04T16:40:46.34 3.0 positive manual P -0.38 0
IV.ATCC.EHZ. 2022-04-04T16:40:46.16 3.0 undecidable manual S 0.84 0
IV.ATPC.HHE. 2022-04-04T16:40:46.16 0.1 undecidable manual P 319 18.87 117 -0.06 98
IV.MURB.HHZ. 2022-04-04T16:40:45.12 0.1 undecidable manual P 215 12.1767 128 0.05 99
IV.TB02.DHE.01 2022-04-04T16:40:45.98 0.1 undecidable manual P 277 16.4724 120 0.2 95
IV.SSFR.HHZ. 2022-04-04T16:40:45.74 0.6 undecidable manual P 56 16.5723 120 -0.07 49
IV.ATLO.EHZ. 2022-04-04T16:40:45.82 0.1 undecidable manual P 256 16.9719 119 -0.06 98
IV.ATBU.EHE. 2022-04-04T16:40:45.70 0.1 undecidable manual P 340 14.5743 123 0.23 95
IV.ATVO.HHZ. 2022-04-04T16:40:45.78 0.6 positive manual P 281 16.872 119 -0.07 49
IV.ATSC.EHZ. 2022-04-04T16:40:44.72 0.1 undecidable manual P 37 9.9789 134 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:0.9 0.00008437515500000001 0.32 AML other m 2022-04-04T16:40:47.76
IV.MURB.HHN. ML:0.5 0.000042271585 0.1664 AML other m 2022-04-04T16:40:47.65
IV.SSFR.HHE. ML:0.2 0.000014228176999999997 0.0768 AML other m 2022-04-04T16:40:49.43
IV.SSFR.HHN. ML:0.2 0.000016676105 0.256 AML other m 2022-04-04T16:40:48.65
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