Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.1 on date 30-04-2022 and time 21:23:58 (UTC) in region 7 km NW Gubbio (PG)

A magnitude ML 0.1 earthquake occured in region: 7 km NW Gubbio (PG), on

  • 30-04-2022 21:23:58 (UTC)
  • 30-04-2022 23:23:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4180, 12.5520 at 9 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 8 32216 32216
Cantiano PU 9 2245 34461
Scheggia e Pascelupo PG 10 1393 35854
Pietralunga PG 10 2111 37965
Costacciaro PG 15 1216 39181
Cagli PU 16 8731 47912
Sigillo PG 18 2404 50316
Frontone PU 19 1300 51616
Apecchio PU 19 1882 53498
Montone PG 19 1680 55178
Piobbico PU 19 2029 57207
Serra Sant'Abbondio PU 20 1027 58234

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Perugia (166134 inhabitants)
53 Km N of Foligno (57155 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
61 Km SW of Fano (60888 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
81 Km W of Ancona (100861 inhabitants)
84 Km SE of Cesena (96758 inhabitants)
96 Km N of Terni (111501 inhabitants)
99 Km SE of Forlì (117913 inhabitants)
99 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 0.1 2022-04-30
21:23:58		 43.4185 12.5523 9 2022-04-30
22:56:31		 Sala Sismica INGV-Roma 104007121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-30 21:23:58 ± 0.15
Latitude 43.4185 ± 0.0027
Longitude 12.5523 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104007121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 73
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.19335
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 104007121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-30 22:56:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2022-04-30T21:24:06.00 0.3 undecidable manual S 6 21.4674 113 -0.27 69
IV.MURB.HHZ. 2022-04-30T21:24:05.10 0.3 undecidable manual S 187 17.3715 118 0.11 72
IV.FRON.EHN. 2022-04-30T21:24:05.00 0.3 undecidable manual S 52 17.7711 117 -0.11 72
IV.PIEI.HHZ. 2022-04-30T21:24:03.60 0.3 undecidable manual S 354 13.0758 125 -0.1 73
IV.ATSC.EHE. 2022-04-30T21:24:03.10 0.3 undecidable manual S 87 10.7781 130 0.02 74
IV.MURB.HHZ. 2022-04-30T21:24:02.15 0.1 undecidable manual P 187 17.3715 118 0.04 98
IV.FRON.EHN. 2022-04-30T21:24:02.14 0.1 undecidable manual P 52 17.7711 117 -0.04 97
IV.ATBU.HNZ. 2022-04-30T21:24:02.50 0.3 undecidable manual S 357 6.3936 145 0.47 68
IV.NARO.HHZ. 2022-04-30T21:24:02.64 0.1 undecidable manual P 6 21.4674 113 -0.21 93
IV.ATFO.HHZ. 2022-04-30T21:24:01.70 0.3 undecidable manual S 165 5.994 147 -0.25 71
IV.PIEI.HHZ. 2022-04-30T21:24:01.43 0.1 undecidable manual P 354 13.0758 125 0.06 98
IV.ATSC.EHE. 2022-04-30T21:24:01.15 0.1 undecidable manual P 87 10.7781 130 0.14 97
IV.ATPI.EHZ. 2022-04-30T21:24:01.34 0.1 undecidable manual P 286 12.5763 126 0.05 98
IV.TSM2.DHE.01 2022-04-30T21:24:01.60 0.3 undecidable manual S 244 5.5944 148 -0.29 71
IV.ATBU.HNZ. 2022-04-30T21:24:00.79 0.1 positive manual P 357 6.3936 145 0.39 92
IV.TSM2.DHE.01 2022-04-30T21:24:00.28 0.1 negative manual P 244 5.5944 148 -0.04 99
IV.ATFO.HHZ. 2022-04-30T21:24:00.37 0.1 negative manual P 165 5.994 147 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.0 0.000010965 1.64 AML other m 2022-04-30T21:24:04.00
IV.PIEI.HHE. ML:0.0 0.0000149 0.08 AML other m 2022-04-30T21:24:05.00
IV.SSFR.HHN. ML:0.3 0.0000132 0.9 AML other m 2022-04-30T21:24:06.02
IV.ATFO.HHE. ML:0.1 0.000018243654999999996 0.2176 AML other m 2022-04-30T21:24:02.94
IV.ATFO.HHN. ML:0.2 0.000024344745 0.2688 AML other m 2022-04-30T21:24:01.86
IV.ATPI.EHE. ML:-0.4 0.000006807651999999999 0.2048 AML other m 2022-04-30T21:24:04.11
IV.ATPI.EHN. ML:-0.1 0.000008998754500000002 0.128 AML other m 2022-04-30T21:24:03.74
IV.MURB.HHE. ML:0.4 0.000021696680000000004 0.2432 AML other m 2022-04-30T21:24:05.82
IV.MURB.HHN. ML:0.4 0.000018384775 0.1792 AML other m 2022-04-30T21:24:05.86
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