Earthquake with magnitude of ML 0.4 on date 04-03-2021 and time 00:59:45 (Italy) in region 6 km NW Gubbio (PG)

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

  • 03-03-2021 23:59:45 (UTC)
  • 04-03-2021 00:59:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3820, 12.5230 at 5 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 6 32216 32216
Pietralunga PG 10 2111 34327
Scheggia e Pascelupo PG 12 1393 35720
Cantiano PU 13 2245 37965
Costacciaro PG 16 1216 39181
Montone PG 16 1680 40861
Umbertide PG 18 16681 57542
Sigillo PG 19 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
50 Km NW of Foligno (57155 inhabitants)
53 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)
85 Km W of Ancona (100861 inhabitants)
87 Km S of Cesena (96758 inhabitants)
92 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 2021-03-03
23:59:45
43.3822 12.5233 5 2021-03-04
00:06:52
Sala Sismica INGV-Roma 87687991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-03 23:59:45 ± 0.25
Latitude 43.3822 ± 0.0045
Longitude 12.5233 ± 0.0111
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87687991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 766
Semi-minor axis of confidence ellipse (meter) 507
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23203
Number of stations at which the event was observed 8
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 87687991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-04 00:06:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-03-03T23:59:53.77 0.1 undecidable manual S 10 25.752 101 -0.4 90
IV.APEC.HHZ. 2021-03-03T23:59:52.75 0.1 undecidable manual S 337 21.2676 103 0.12 96
IV.PIEI.HHZ. 2021-03-03T23:59:51.78 0.1 undecidable manual S 3 17.0718 106 0.56 87
IV.MURB.HHZ. 2021-03-03T23:59:50.15 0.1 undecidable manual S 180 13.1757 110 0.2 96
IV.NARO.HHZ. 2021-03-03T23:59:50.79 1.0 undecidable manual P 10 25.752 101 0.46 22
IV.ATCC.EHZ. 2021-03-03T23:59:49.72 3.0 undecidable manual S 0.03 0
IV.APEC.HHZ. 2021-03-03T23:59:49.26 0.1 undecidable manual P 337 21.2676 103 -0.18 95
IV.ATPI.EHZ. 2021-03-03T23:59:49.53 0.3 undecidable manual S 308 12.3765 111 -0.14 73
IV.PIEI.HHZ. 2021-03-03T23:59:48.62 0.1 undecidable manual P 3 17.0718 106 0 99
IV.MURB.HHZ. 2021-03-03T23:59:47.65 1.0 undecidable manual P 180 13.1757 110 -0.24 24
IV.ATPI.EHZ. 2021-03-03T23:59:47.64 0.3 undecidable manual P 308 12.3765 111 -0.09 74
IV.ATFO.HHZ. 2021-03-03T23:59:47.23 0.1 undecidable manual S 114 4.2957 138 -0.06 100
IV.ATFO.HHZ. 2021-03-03T23:59:46.25 0.1 positive manual P 114 4.2957 138 -0.1 99
IV.CSP1.EHZ. 2021-03-03T23:59:38.52 3.0 negative manual P 0 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.3 0.000019 0.22 AML other m 2021-03-03T23:59:52.32
IV.PIEI.HHE. ML:0.6 0.0000374 0.34 AML other m 2021-03-03T23:59:52.43
IV.APEC.HHE. ML:0.3 0.000016899999999999997 0.2 AML other m 2021-03-03T23:59:53.28
IV.APEC.HHN. ML:0.3 0.0000166 0.68 AML other m 2021-03-03T23:59:54.80
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