Earthquake with magnitude of ML 0.4 on date 07-07-2021 and time 03:56:02 (UTC) in region 4 km NW Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 4 km NW Gubbio (PG), on

  • 07-07-2021 03:56:02 (UTC)
  • 07-07-2021 05:56:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3760, 12.5330 at 6 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.

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 11 1393 35720
Cantiano PU 13 2245 37965
Costacciaro PG 15 1216 39181
Montone PG 17 1680 40861
Sigillo PG 18 2404 43265
Umbertide PG 18 16681 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
49 Km N of Foligno (57155 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
84 Km W of Ancona (100861 inhabitants)
88 Km S of Cesena (96758 inhabitants)
91 Km N of Terni (111501 inhabitants)
97 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 0.4 2021-07-07
03:56:02
43.3762 12.5332 6 2021-07-07
04:01:25
Sala Sismica INGV-Roma 92334741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-07 03:56:02 ± 0.13
Latitude 43.3762 ± 0.0036
Longitude 12.5332 ± 0.0049
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 92334741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
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) 101
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.23742
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 92334741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-07 04:01:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2021-07-07T03:56:07.42 0.1 undecidable manual S 183 12.5763 117 0.13 96
IV.ATPI.EHZ. 2021-07-07T03:56:07.72 0.1 undecidable manual S 308 13.3755 115 0.17 95
IV.NARO.HHZ. 2021-07-07T03:56:07.62 0.1 undecidable manual P 8 26.3514 104 -0.2 92
IV.PIEI.HHZ. 2021-07-07T03:56:06.36 0.1 undecidable manual P 0 17.6712 110 0.19 94
IV.ATVO.HHZ. 2021-07-07T03:56:06.42 0.1 undecidable manual S 274 10.1787 122 -0.16 96
IV.MURB.HHZ. 2021-07-07T03:56:05.20 0.1 undecidable manual P 183 12.5763 117 -0.02 98
IV.ATPI.EHZ. 2021-07-07T03:56:05.44 0.1 undecidable manual P 308 13.3755 115 0.07 97
IV.ATVO.HHZ. 2021-07-07T03:56:04.70 0.1 undecidable manual P 274 10.1787 122 -0.11 97
IV.ATFO.HHZ. 2021-07-07T03:56:04.87 0.1 undecidable manual S 109 3.2967 153 0 100
IV.ATFO.HHZ. 2021-07-07T03:56:03.77 0.1 undecidable manual P 109 3.2967 153 -0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.4 0.00003955 0.22 AML other m 2021-07-07T03:56:06.68
IV.ATVO.HHE. ML:0.4 0.0000363 0.32 AML other m 2021-07-07T03:56:06.64
IV.MURB.HHE. ML:0.6 0.0000455 0.38 AML other m 2021-07-07T03:56:07.71
IV.MURB.HHN. ML:0.4 0.00003635 0.78 AML other m 2021-07-07T03:56:07.54
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