Earthquake with magnitude of ML 0.8 on date 20-03-2023 and time 23:54:03 (Italy) in region 5 km E Umbertide (PG)

A magnitude ML 0.8 earthquake occured in region: 5 km E Umbertide (PG), on

  • 20-03-2023 22:54:03 (UTC)
  • 20-03-2023 23:54:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3010, 12.3900 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
Umbertide PG 5 16681 16681
Montone PG 9 1680 18361
Pietralunga PG 16 2111 20472
Gubbio PG 16 32216 52688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
46 Km NW of Foligno (57155 inhabitants)
79 Km SW of Fano (60888 inhabitants)
80 Km SW of Pesaro (94582 inhabitants)
85 Km N of Terni (111501 inhabitants)
86 Km E of Siena (53903 inhabitants)
86 Km S of Rimini (147750 inhabitants)
94 Km S of Cesena (96758 inhabitants)
98 Km W of Ancona (100861 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 0.8 2023-03-20
22:54:03
43.3013 12.3903 6 2023-03-20
23:23:15
Sala Sismica INGV-Roma 115573291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-20 22:54:03 ± 0.13
Latitude 43.3013 ± 0.0036
Longitude 12.3903 ± 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 115573291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 0.25631
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 115573291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-20 23:23:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-03-20T22:54:13.47 0.6 undecidable manual S 24 28.4493 102 0.2 47
IV.ATCC.EHZ. 2023-03-20T22:54:12.09 0.3 undecidable manual S 123 23.9538 104 0.36 68
IV.ATSC.EHZ. 2023-03-20T22:54:12.92 0.6 undecidable manual S 60 27.4503 102 -0.01 49
IV.ATBU.EHZ. 2023-03-20T22:54:11.79 0.6 undecidable manual S 33 23.1546 104 0.32 46
IV.ATPC.HNZ. 2023-03-20T22:54:10.77 0.6 undecidable manual S 15 20.5683 106 0.16 48
IV.ATPI.EHZ. 2023-03-20T22:54:09.22 0.3 undecidable manual S 3 16.5723 109 -0.06 73
IV.MURB.HHZ. 2023-03-20T22:54:08.14 0.3 undecidable manual S 111 11.6772 116 0.44 69
IV.TB03.DHZ.01 2023-03-20T22:54:08.01 0.6 undecidable manual S 8 11.1777 117 0.44 46
IV.ATSC.EHZ. 2023-03-20T22:54:08.84 0.6 undecidable manual P 60 27.4503 102 0.03 48
IV.TSM2.DHZ.01 2023-03-20T22:54:08.01 0.6 undecidable manual S 37 13.2756 114 -0.19 48
IV.PIEI.HHZ. 2023-03-20T22:54:08.77 0.6 undecidable manual P 24 28.4493 102 -0.24 46
IV.ATVO.HHZ. 2023-03-20T22:54:07.02 0.3 undecidable manual S 8 9.0798 123 0.11 74
IV.ATCC.EHZ. 2023-03-20T22:54:07.88 0.3 undecidable manual P 123 23.9538 104 -0.24 70
IV.ATMI.HHZ. 2023-03-20T22:54:07.82 0.3 undecidable manual S 290 10.4784 119 0.46 68
IV.ATPC.HNZ. 2023-03-20T22:54:07.38 0.3 undecidable manual P 15 20.5683 106 -0.09 73
IV.ATBU.EHZ. 2023-03-20T22:54:07.92 0.3 undecidable manual P 33 23.1546 104 -0.05 73
IV.TSM3.DHZ.07 2023-03-20T22:54:07.01 0.6 undecidable manual S 343 9.4794 122 -0.03 50
IV.TB01.DHZ.01 2023-03-20T22:54:07.17 0.6 undecidable manual S 22 9.5793 121 0.09 49
IT.UMBT.HGZ. 2023-03-20T22:54:06.08 0.6 undecidable manual S 274 3.7962 147 0.49 46
IV.ATPI.EHZ. 2023-03-20T22:54:06.55 0.6 undecidable manual P 3 16.5723 109 -0.16 48
IV.ATVA.EHZ. 2023-03-20T22:54:06.27 0.6 undecidable manual S 253 8.88 123 -0.59 44
IV.TB02.DHZ.01 2023-03-20T22:54:06.59 0.6 undecidable manual S 11 7.7811 127 0.03 50
IV.ATMI.HHZ. 2023-03-20T22:54:06.26 0.3 undecidable manual P 290 10.4784 119 0.66 64
IV.TSM3.DHZ.07 2023-03-20T22:54:05.29 0.3 undecidable manual P 343 9.4794 122 -0.12 74
IV.TB01.DHZ.01 2023-03-20T22:54:05.28 0.3 undecidable manual P 22 9.5793 121 -0.16 73
IV.ATVO.HHZ. 2023-03-20T22:54:05.18 0.6 positive manual P 8 9.0798 123 -0.16 49
IV.MURB.HHZ. 2023-03-20T22:54:05.79 0.1 negative manual P 111 11.6772 116 -0.01 100
IV.TB03.DHZ.01 2023-03-20T22:54:05.65 0.3 undecidable manual P 8 11.1777 117 -0.07 74
IV.TSM2.DHZ.01 2023-03-20T22:54:05.96 0.3 undecidable manual P 37 13.2756 114 -0.12 73
IV.ATVA.EHZ. 2023-03-20T22:54:05.16 0.3 undecidable manual P 253 8.88 123 -0.15 73
IV.ATLO.EHZ. 2023-03-20T22:54:04.83 0.6 undecidable manual S 42 1.998 161 -0.49 46
IV.TB02.DHZ.01 2023-03-20T22:54:04.96 0.3 undecidable manual P 11 7.7811 127 -0.17 73
IV.ATLO.EHZ. 2023-03-20T22:54:04.10 0.1 undecidable manual P 42 1.998 161 -0.32 95
IT.UMBT.HGZ. 2023-03-20T22:54:04.46 0.6 undecidable manual P 274 3.7962 147 -0.11 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:1.3 0.00029797704999999996 0.3584 AML other m 2023-03-20T22:54:08.54
IV.MURB.HNN. ML:1.2 0.00023899999999999998 0.36 AML other m 2023-03-20T22:54:08.54
IV.MURB.HHE. ML:1.2 0.0002495 0.2 AML other m 2023-03-20T22:54:08.70
IV.MURB.HNE. ML:1.3 0.0002755 0.2 AML other m 2023-03-20T22:54:08.71
IV.ATVO.HHE. ML:0.2 0.000029367205 0.3584 AML other m 2023-03-20T22:54:08.79
IV.ATVO.HHN. ML:0.2 0.000022990085 0.2048 AML other m 2023-03-20T22:54:08.04
IV.ATVO.HNE. ML:0.8 0.00010836915 0.6272 AML other m 2023-03-20T22:54:05.79
IV.ATVO.HNN. ML:0.6 0.00007370977949999998 0.5504 AML other m 2023-03-20T22:54:05.41
IV.ATMI.HHE. ML:0.4 0.00003578127000000001 0.256 AML other m 2023-03-20T22:54:10.43
IV.ATMI.HHN. ML:0.4 0.00003930821499999999 0.448 AML other m 2023-03-20T22:54:11.26
IV.ATPI.EHE. ML:0.3 0.000018856439999999997 0.4352 AML other m 2023-03-20T22:54:10.34
IV.ATPI.EHN. ML:0.3 0.000022143695000000002 0.2816 AML other m 2023-03-20T22:54:09.32
IV.ATPI.HNE. ML:1.0 0.000098672625 0.704 AML other m 2023-03-20T22:54:12.96
IV.ATPI.HNN. ML:1.1 0.00012679840000000002 0.4224 AML other m 2023-03-20T22:54:12.99
IV.ATCC.HNE. ML:1.3 0.000122085115 0.4736 AML other m 2023-03-20T22:54:17.96
IV.ATCC.HNN. ML:1.3 0.0001317619 0.8576 AML other m 2023-03-20T22:54:08.26
IV.ATCC.EHE. ML:0.7 0.000033513749999999994 0.2176 AML other m 2023-03-20T22:54:12.38
IV.ATCC.EHN. ML:0.6 0.00002315462 0.2432 AML other m 2023-03-20T22:54:12.97
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