Earthquake with magnitude of ML 0.7 on date 22-03-2023 and time 19:31:12 (UTC) in region 5 km E Umbertide (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km E Umbertide (PG), on

  • 22-03-2023 19:31:12 (UTC)
  • 22-03-2023 20:31:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2990, 12.3870 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 17 2111 20472
Gubbio PG 17 32216 52688

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 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)
85 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
Bulletin
Rev1000
ML 0.7 2023-03-22
19:31:12
43.2993 12.3868 9 2024-03-01
17:18:16
Bollettino Sismico Italiano INGV 121352261
Reviewed
Rev100
ML 0.6 2023-03-22
19:31:12
43.2937 12.3855 6 2023-03-22
19:45:46
Sala Sismica INGV-Roma 115637821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-22 19:31:12 ± 0.08
Latitude 43.2993 ± 0.0045
Longitude 12.3868 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 121352261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 423
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.43527
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 121352261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-22 09:54:02

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 115637821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-22 19:45:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2023-03-22T19:31:28.59 1.0 undecidable manual S 208 48.3183 50 -0.02 23
IV.ASSB.HHZ. 2023-03-22T19:31:25.15 0.6 undecidable manual S 142 35.9418 50 -0.17 46
IV.FRON.EHZ. 2023-03-22T19:31:24.64 1.0 undecidable manual S 48 36.5412 50 -0.82 19
IV.PIEI.HHZ. 2023-03-22T19:31:23.09 0.6 undecidable manual S 24 28.8489 106 0 49
IV.FOSV.HNE. 2023-03-22T19:31:23.58 1.0 undecidable manual S 91 30.2475 106 0.02 24
IV.ATSC.EHE. 2023-03-22T19:31:22.56 0.6 undecidable manual S 60 27.8499 107 -0.2 47
IV.ATBU.EHE. 2023-03-22T19:31:21.69 0.6 undecidable manual S 34 23.4543 110 0.35 46
IV.ATCC.EHZ. 2023-03-22T19:31:21.52 0.6 undecidable manual S 122 24.0537 109 0 49
IV.MGAB.HHZ. 2023-03-22T19:31:21.88 0.3 undecidable manual P 208 48.3183 50 0.01 70
IV.FOSV.HNE. 2023-03-22T19:31:20.41 0.3 undecidable manual P 91 30.2475 106 1.45 42
IV.ATPC.HHE. 2023-03-22T19:31:20.67 0.6 undecidable manual S 16 20.868 112 0.18 47
IV.CAFI.HHE. 2023-03-22T19:31:19.65 0.1 undecidable manual P 276 34.1436 50 -0.04 96
IV.ATPI.EHZ. 2023-03-22T19:31:19.24 0.6 undecidable manual S 4 16.872 117 0.03 49
IV.FRON.EHZ. 2023-03-22T19:31:19.54 0.3 undecidable manual P 48 36.5412 50 -0.52 64
IV.ATFO.HHN. 2023-03-22T19:31:19.22 1.0 undecidable manual S 63 16.6722 117 0.06 24
IV.ASSB.HHZ. 2023-03-22T19:31:19.83 0.1 undecidable manual P 142 35.9418 50 -0.15 93
IV.ATSC.EHE. 2023-03-22T19:31:18.47 0.3 undecidable manual P 60 27.8499 107 -0.03 72
IV.PIEI.HHZ. 2023-03-22T19:31:18.74 1.0 positive manual P 24 28.8489 106 0.05 24
IV.ATPC.HHE. 2023-03-22T19:31:17.35 0.1 undecidable manual P 16 20.868 112 0.16 95
IV.TSM3.DH1.07 2023-03-22T19:31:17.00 0.6 undecidable manual S 345 9.5793 131 -0.11 49
IV.TSM2.DHN.01 2023-03-22T19:31:17.94 0.6 undecidable manual S 38 13.5753 122 -0.29 47
IV.ATCC.EHZ. 2023-03-22T19:31:17.88 1.0 undecidable manual P 122 24.0537 109 0.1 24
IV.ATMI.HHZ. 2023-03-22T19:31:17.35 0.6 undecidable manual S 292 10.3785 129 0.05 50
IV.ATBU.EHE. 2023-03-22T19:31:17.91 0.1 undecidable manual P 34 23.4543 110 0.23 93
IV.TB03.DH2.01 2023-03-22T19:31:17.76 0.6 undecidable manual S 10 11.4774 126 0.14 49
IV.TB01.DHE.01 2023-03-22T19:31:17.03 0.6 undecidable manual S 23 9.9789 130 -0.17 49
IV.MURB.HHZ. 2023-03-22T19:31:17.94 0.6 undecidable manual S 110 11.877 125 0.22 48
IV.TB02.DHE.01 2023-03-22T19:31:16.51 0.6 undecidable manual S 13 8.0808 136 -0.22 48
IV.ATVO.HHZ. 2023-03-22T19:31:16.75 0.6 undecidable manual S 10 9.2796 132 -0.29 47
IV.ATPI.EHZ. 2023-03-22T19:31:16.59 0.6 negative manual P 4 16.872 117 0.15 48
IV.ATVO.HHZ. 2023-03-22T19:31:15.27 0.3 positive manual P 10 9.2796 132 0.08 74
IV.TB03.DH2.01 2023-03-22T19:31:15.73 0.1 undecidable manual P 10 11.4774 126 0.2 96
IV.TB01.DHE.01 2023-03-22T19:31:15.34 0.1 undecidable manual P 23 9.9789 130 0.06 99
IV.MURB.HHZ. 2023-03-22T19:31:15.77 0.1 positive manual P 110 11.877 125 0.19 96
IV.TSM3.DH1.07 2023-03-22T19:31:15.39 0.1 undecidable manual P 345 9.5793 131 0.16 97
IV.TSM2.DHN.01 2023-03-22T19:31:15.94 0.1 undecidable manual P 38 13.5753 122 0.06 99
IV.TB02.DHE.01 2023-03-22T19:31:15.05 0.1 undecidable manual P 13 8.0808 136 0.03 100
IV.ATMI.HHZ. 2023-03-22T19:31:15.63 1.0 positive manual P 292 10.3785 129 0.29 24
IV.ATFO.HHN. 2023-03-22T19:31:15.58 0.6 undecidable manual P 63 16.6722 117 -0.84 39
IV.ATLO.EHZ. 2023-03-22T19:31:14.90 0.3 undecidable manual S 43 2.3976 164 -0.82 60
IV.ATLO.EHZ. 2023-03-22T19:31:14.19 0.1 undecidable manual P 43 2.3976 164 -0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.4 0.000038145775 0.2432 AML other m 2023-03-22T19:31:18.28
IV.MURB.HHN. ML:1.4 0.0002965769 0.2048 AML other m 2023-03-22T19:31:19.26
IV.MURB.HHE. ML:1.3 0.0002708825 0.1408 AML other m 2023-03-22T19:31:18.69
IV.ATMI.HHN. ML:0.6 0.00004780095500000001 0.2944 AML other m 2023-03-22T19:31:21.17
IV.ATVO.HHE. ML:0.6 0.000060714535 0.1664 AML other m 2023-03-22T19:31:17.89
IV.ATMI.HHE. ML:0.7 0.00006574065 0.2944 AML other m 2023-03-22T19:31:19.05
IV.ATPI.EHE. ML:0.5 0.000028578375 0.1408 AML other m 2023-03-22T19:31:19.91
IV.ATPI.EHN. ML:0.6 0.000041739885 0.2688 AML other m 2023-03-22T19:31:19.55
IV.ATCC.EHE. ML:0.7 0.000029180145 0.1792 AML other m 2023-03-22T19:31:22.66
IV.PIEI.HHN. ML:0.5 0.000014809444999999999 0.1536 AML other m 2023-03-22T19:31:24.19
IV.ATCC.EHN. ML:0.7 0.0000307557225 0.3328 AML other m 2023-03-22T19:31:24.83
IV.ASSB.HHN. ML:0.4 0.000011799245 0.1536 AML other m 2023-03-22T19:31:25.63
IV.ASSB.HHE. ML:0.4 0.000008926066499999999 0.4608 AML other m 2023-03-22T19:31:26.61
IV.PIEI.HHE. ML:0.6 0.00001835 1.58 AML other m 2023-03-22T19:31:49.01
IV.MURB.HNE. ML:1.2 0.00020341465 0.2176 AML other m 2023-03-22T19:31:18.69
IV.MURB.HNN. ML:1.4 0.00029868019999999997 0.2048 AML other m 2023-03-22T19:31:19.26
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