Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 28-07-2022 and time 04:02:58 (UTC) in region 6 km NW Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 6 km NW Gubbio (PG), on

  • 28-07-2022 04:02:58 (UTC)
  • 28-07-2022 06:02:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3920, 12.5190 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 6 32216 32216
Pietralunga PG 9 2111 34327
Scheggia e Pascelupo PG 12 1393 35720
Cantiano PU 13 2245 37965
Montone PG 16 1680 39645
Costacciaro PG 16 1216 40861
Umbertide PG 18 16681 57542
Sigillo PG 19 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
51 Km NW of Foligno (57155 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
75 Km S of Rimini (147750 inhabitants)
85 Km W of Ancona (100861 inhabitants)
86 Km S of Cesena (96758 inhabitants)
93 Km N of Terni (111501 inhabitants)
96 Km E of Siena (53903 inhabitants)
100 Km SE of Forlì (117913 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 2022-07-28
04:02:58		 43.392 12.519 7 2022-07-28
04:07:34		 Sala Sismica INGV-Roma 107777841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-28 04:02:58 ± 0.12
Latitude 43.3920 ± 0.0027
Longitude 12.5190 ± 0.0025
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107777841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.22303
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 107777841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-28 04:07:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2022-07-28T04:03:06.40 0.3 undecidable manual S 77 21.7671 108 0.02 73
IV.FRON.EHZ. 2022-07-28T04:03:06.31 0.3 undecidable manual S 50 21.7671 109 -0.05 73
IV.PIEI.HHZ. 2022-07-28T04:03:04.38 0.3 undecidable manual S 5 15.9729 114 -0.13 72
IV.ATPC.HNE. 2022-07-28T04:03:03.09 0.3 undecidable manual S 333 11.0778 123 0.09 74
IV.ATPI.EHZ. 2022-07-28T04:03:03.04 0.1 undecidable manual S 305 11.4774 122 -0.08 98
IV.NARO.HHZ. 2022-07-28T04:03:03.37 0.6 undecidable manual P 12 24.753 106 -0.22 47
IV.ATBU.EHE. 2022-07-28T04:03:02.90 0.3 undecidable manual S 14 9.5793 127 0.31 70
IV.FRON.EHZ. 2022-07-28T04:03:02.90 0.6 undecidable manual P 50 21.7671 109 -0.1 48
IV.SSFR.HHZ. 2022-07-28T04:03:02.96 0.6 negative manual P 77 21.7671 108 -0.05 48
IV.TB01.DHE.01 2022-07-28T04:03:02.00 0.3 undecidable manual S 260 6.7932 137 0.12 73
IV.PIEI.HHZ. 2022-07-28T04:03:01.93 0.6 undecidable manual P 5 15.9729 114 0 49
IV.ATFO.HHZ. 2022-07-28T04:03:01.56 0.3 undecidable manual S 124 5.0949 145 0.06 75
IV.ATBU.EHE. 2022-07-28T04:03:01.04 0.3 undecidable manual P 14 9.5793 127 0.21 72
IV.ATPC.HNE. 2022-07-28T04:03:01.02 0.1 undecidable manual P 333 11.0778 123 -0.04 99
IV.ATPI.EHZ. 2022-07-28T04:03:01.14 0.1 undecidable manual P 305 11.4774 122 0.01 100
IV.ATFO.HHZ. 2022-07-28T04:03:00.15 0.3 undecidable manual P 124 5.0949 145 -0.04 75
IV.TSM2.DHZ.01 2022-07-28T04:03:00.76 0.3 undecidable manual S 282 2.3976 162 -0.31 71
IV.TB01.DHE.01 2022-07-28T04:03:00.57 0.1 undecidable manual P 260 6.7932 137 0.16 97
IV.TSM2.DHZ.01 2022-07-28T04:02:59.89 0.1 undecidable manual P 282 2.3976 162 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0.0 0.000030518385 0.1408 AML other m 2022-07-28T04:03:02.29
IV.ATFO.HHN. ML:0.0 0.00003672589 0.16 AML other m 2022-07-28T04:03:01.94
IV.ATPI.EHE. ML:0.2 0.000020829925 0.1024 AML other m 2022-07-28T04:03:03.39
IV.PIEI.HHE. ML:0.5 0.00002827652 0.1024 AML other m 2022-07-28T04:03:05.40
IV.PIEI.HHN. ML:0.4 0.00002435522 0.1408 AML other m 2022-07-28T04:03:05.25
IV.SSFR.HHE. ML:0.4 0.0000196748 0.1408 AML other m 2022-07-28T04:03:07.33
IV.SSFR.HHN. ML:0.4 0.000022136355 0.1408 AML other m 2022-07-28T04:03:06.95
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