Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 15-03-2021 and time 09:33:15 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 1.4 earthquake occured in region: 5 km W Gubbio (PG), on

  • 15-03-2021 08:33:15 (UTC)
  • 15-03-2021 09:33:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3640, 12.5160 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 5 32216 32216
Pietralunga PG 11 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Montone PG 15 1680 37400
Cantiano PU 15 2245 39645
Costacciaro PG 16 1216 40861
Umbertide PG 17 16681 57542
Sigillo PG 19 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Perugia (166134 inhabitants)
48 Km NW of Foligno (57155 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
67 Km SW of Fano (60888 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
78 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
89 Km S of Cesena (96758 inhabitants)
90 Km N of Terni (111501 inhabitants)
96 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 1.4 2021-03-15
08:33:15		 43.3637 12.5163 7 2021-03-15
08:38:51		 Sala Sismica INGV-Roma 88148961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-15 08:33:15 ± 0.12
Latitude 43.3637 ± 0.0045
Longitude 12.5163 ± 0.0074
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 88148961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 534
Semi-minor axis of confidence ellipse (meter) 489
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.40110
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:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 88148961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-15 08:38:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2021-03-15T08:33:30.27 0.1 undecidable manual S 265 44.5221 50 -0.41 88
IV.BADI.EHZ. 2021-03-15T08:33:25.54 0.1 undecidable manual S 307 27.2505 105 0.25 94
IV.NARO.HHZ. 2021-03-15T08:33:25.32 0.1 undecidable manual S 11 27.9498 105 -0.19 95
IV.ATCC.EHZ. 2021-03-15T08:33:24.29 0.1 undecidable manual S 153 22.1556 108 0.68 84
IV.APEC.HHZ. 2021-03-15T08:33:24.10 0.1 undecidable manual S 340 22.9548 108 0.23 95
IV.CAFI.HHZ. 2021-03-15T08:33:24.04 1.0 undecidable manual P 265 44.5221 50 -0.23 23
IV.FOSV.EHZ. 2021-03-15T08:33:23.40 0.1 undecidable manual S 111 21.1677 109 0.12 98
IV.NARO.HHZ. 2021-03-15T08:33:21.08 1.0 undecidable manual P 11 27.9498 105 -0.2 24
IV.BADI.EHZ. 2021-03-15T08:33:21.09 1.0 positive manual P 307 27.2505 105 -0.07 25
IV.APEC.HHZ. 2021-03-15T08:33:20.35 0.3 undecidable manual P 340 22.9548 108 0.02 75
IV.FOSV.EHZ. 2021-03-15T08:33:20.19 0.3 undecidable manual P 111 21.1677 109 0.19 72
IV.ATCC.EHZ. 2021-03-15T08:33:20.33 0.6 undecidable manual P 153 22.1556 108 0.15 49
IV.ATPI.EHZ. 2021-03-15T08:33:20.96 0.1 undecidable manual S 316 13.3755 119 0.18 98
IV.MURB.HHZ. 2021-03-15T08:33:19.68 0.1 undecidable manual S 177 11.1777 123 -0.46 93
IV.MURB.HHZ. 2021-03-15T08:33:18.32 0.3 undecidable manual P 177 11.1777 123 0.14 75
IV.ATPI.EHZ. 2021-03-15T08:33:18.73 0.6 undecidable manual P 316 13.3755 119 0.18 49
IV.ATFO.HHZ. 2021-03-15T08:33:17.96 0.1 undecidable manual S 86 4.4955 149 -0.52 92
IV.ATFO.HHZ. 2021-03-15T08:33:17.06 0.1 positive manual P 86 4.4955 149 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.5 0.000404 0.28 AML other m 2021-03-15T08:33:21.71
IV.MURB.HHN. ML:1.3 0.00028900000000000003 0.28 AML other m 2021-03-15T08:33:22.25
IV.BADI.EHN. ML:1.4 0.0001415 0.18 AML other m 2021-03-15T08:33:25.66
IV.BADI.EHE. ML:1.3 0.000121 0.14 AML other m 2021-03-15T08:33:26.14
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