Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 01-04-2022 and time 20:28:40 (Italy) in region 10 km S Gubbio (PG)

A magnitude ML 1.3 earthquake occured in region: 10 km S Gubbio (PG), on

  • 01-04-2022 18:28:40 (UTC)
  • 01-04-2022 20:28:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2680, 12.5640 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
Gubbio PG 10 32216 32216
Valfabbrica PG 12 3389 35605
Costacciaro PG 16 1216 36821
Sigillo PG 16 2404 39225
Fossato di Vico PG 16 2840 42065
Scheggia e Pascelupo PG 17 1393 43458
Gualdo Tadino PG 18 15208 58666
Umbertide PG 20 16681 75347

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Perugia (166134 inhabitants)
37 Km NW of Foligno (57155 inhabitants)
59 Km E of Arezzo (99543 inhabitants)
74 Km SW of Fano (60888 inhabitants)
77 Km SW of Pesaro (94582 inhabitants)
79 Km N of Terni (111501 inhabitants)
86 Km W of Ancona (100861 inhabitants)
88 Km S of Rimini (147750 inhabitants)
100 Km S 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 1.3 2022-04-01
18:28:40		 43.268 12.564 12 2022-04-01
18:33:52		 Sala Sismica INGV-Roma 102678811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-01 18:28:40 ± 0.05
Latitude 43.2680 ± 0.0018
Longitude 12.5640 ± 0.0037
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 102678811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 285
Semi-minor axis of confidence ellipse (meter) 116
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
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) 97
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27609
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:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 102678811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-01 18:33:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2022-04-01T18:28:59.15 3.0 positive manual Pn 1.87 0
IV.ARCI.HHZ. 2022-04-01T18:28:57.42 3.0 undecidable manual P -0.1 0
IV.PIEI.HHZ. 2022-04-01T18:28:51.15 0.6 undecidable manual S 356 29.748 94 0.19 47
IV.FRON.EHZ. 2022-04-01T18:28:51.11 0.6 undecidable manual S 25 30.6471 94 -0.07 48
IV.ASSB.HHZ. 2022-04-01T18:28:49.83 0.6 undecidable manual S 163 26.1516 95 -0.16 47
IV.SSFR.HHZ. 2022-04-01T18:28:49.70 0.6 undecidable manual S 43 25.6521 96 -0.16 47
IV.ATPI.EHZ. 2022-04-01T18:28:49.52 0.6 undecidable manual S 327 24.0537 96 0.07 48
IV.ATVO.HHZ. 2022-04-01T18:28:47.66 0.6 undecidable manual S 315 17.9709 103 -0.17 48
IV.FOSV.EHZ. 2022-04-01T18:28:47.20 0.6 undecidable manual S 79 16.1727 107 -0.17 48
IV.PIEI.HHZ. 2022-04-01T18:28:46.58 1.0 negative manual P 356 29.748 94 0.02 24
IV.FRON.EHZ. 2022-04-01T18:28:46.64 0.6 undecidable manual P 25 30.6471 94 -0.04 48
IV.ATCC.EHZ. 2022-04-01T18:28:46.16 0.6 undecidable manual S 146 11.0778 124 0.03 50
IV.ATPI.EHZ. 2022-04-01T18:28:45.79 1.0 positive manual P 327 24.0537 96 0.1 24
IV.ASSB.HHZ. 2022-04-01T18:28:45.92 0.6 undecidable manual P 163 26.1516 95 -0.08 48
IV.SSFR.HHZ. 2022-04-01T18:28:45.99 0.6 negative manual P 43 25.6521 96 0.07 48
IV.FOSV.EHZ. 2022-04-01T18:28:44.55 0.1 undecidable manual P 79 16.1727 107 0.06 98
IV.ATVO.HHZ. 2022-04-01T18:28:44.76 0.1 undecidable manual P 315 17.9709 103 0.01 99
IV.MURB.HHZ. 2022-04-01T18:28:44.69 0.6 undecidable manual S 260 3.1968 161 -0.17 49
IV.MURB.HHZ. 2022-04-01T18:28:43.12 0.1 undecidable manual P 260 3.1968 161 0.09 100
IV.ATCC.EHZ. 2022-04-01T18:28:43.92 0.1 negative manual P 146 11.0778 124 0.15 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:1.5 0.00045650000000000004 1.66 AML other m 2022-04-01T18:28:44.90
IV.MURB.HHE. ML:1.5 0.0005085 0.16 AML other m 2022-04-01T18:28:45.18
IV.ATCC.EHN. ML:1.3 0.000225 0.92 AML other m 2022-04-01T18:28:46.03
IV.ATCC.EHE. ML:1.4 0.000295 0.2 AML other m 2022-04-01T18:28:46.43
IV.SSFR.HHE. ML:1.3 0.00011249999999999998 1.72 AML other m 2022-04-01T18:28:49.04
IV.SSFR.HHN. ML:1.3 0.00010980000000000001 1.8 AML other m 2022-04-01T18:28:50.04
IV.ASSB.HHN. ML:1.0 0.00006110000000000001 0.82 AML other m 2022-04-01T18:28:51.16
IV.ASSB.HHE. ML:1.0 0.000047600000000000005 0.7 AML other m 2022-04-01T18:28:51.55
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