Earthquake with magnitude of ML 1.0 on date 25-03-2023 and time 16:42:33 (Italy) in region 5 km E Umbertide (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km E Umbertide (PG), on

  • 25-03-2023 15:42:33 (UTC)
  • 25-03-2023 16:42:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2980, 12.3860 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 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)
100 Km N of Viterbo (67173 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 1.0 2023-03-25
15:42:33
43.2975 12.3865 6 2023-03-25
15:51:43
Sala Sismica INGV-Roma 115724971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-25 15:42:33 ± 0.11
Latitude 43.2975 ± 0.0027
Longitude 12.3865 ± 0.0037
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 115724971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 89
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21584
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 115724971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-25 15:51:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2023-03-25T15:42:49.32 3.0 undecidable manual P -0.01 0
IV.ATCC.EHZ. 2023-03-25T15:42:42.57 0.3 undecidable manual S 121 23.9538 104 0.26 70
IV.ATBU.HNE. 2023-03-25T15:42:42.48 0.3 undecidable manual S 33 23.6541 104 0.26 70
IV.ARVD.HHZ. 2023-03-25T15:42:40.04 3.0 positive manual P -0.14 0
IV.ATFO.HHZ. 2023-03-25T15:42:40.03 0.3 undecidable manual S 63 16.7721 109 0.12 73
IV.ATPI.EHZ. 2023-03-25T15:42:39.97 0.3 undecidable manual S 4 17.0718 109 -0.03 74
IV.TSM2.DHN.01 2023-03-25T15:42:39.07 0.1 undecidable manual S 37 13.7751 113 0.13 97
IV.MURB.HHZ. 2023-03-25T15:42:38.69 0.1 undecidable manual S 109 11.7771 116 0.38 92
IV.ATCC.EHZ. 2023-03-25T15:42:38.41 0.1 undecidable manual P 121 23.9538 104 -0.29 92
IV.ATBU.HNE. 2023-03-25T15:42:38.43 0.3 undecidable manual P 33 23.6541 104 -0.21 70
IV.ATMI.HHZ. 2023-03-25T15:42:38.36 0.1 undecidable manual S 293 10.3785 119 0.48 91
IV.TB01.DHE.01 2023-03-25T15:42:37.82 0.1 undecidable manual S 23 10.1787 120 0.02 100
IV.TSM3.DH2.07 2023-03-25T15:42:37.79 0.1 undecidable manual S 345 9.7791 120 0.08 99
IV.TB02.DHE. 2023-03-25T15:42:37.32 0.1 undecidable manual S 13 8.2806 125 0.06 99
IV.ATVO.HHZ. 2023-03-25T15:42:37.61 0.1 undecidable manual S 10 9.4794 121 -0.01 100
IV.ATPI.EHZ. 2023-03-25T15:42:37.17 0.3 undecidable manual P 4 17.0718 109 -0.19 71
IV.ATFO.HHZ. 2023-03-25T15:42:37.09 0.6 undecidable manual P 63 16.7721 109 -0.22 47
IV.ATMI.HHZ. 2023-03-25T15:42:36.15 0.3 undecidable manual P 293 10.3785 119 0.01 75
IV.TB01.DHE.01 2023-03-25T15:42:36.02 0.1 undecidable manual P 23 10.1787 120 -0.07 99
IV.MURB.HHZ. 2023-03-25T15:42:36.41 0.1 undecidable manual P 109 11.7771 116 0.02 99
IV.TB03.DH1.01 2023-03-25T15:42:36.48 0.3 undecidable manual P 9 11.6772 116 0.11 73
IV.TSM3.DH2.07 2023-03-25T15:42:36.00 0.1 undecidable manual P 345 9.7791 120 -0.04 99
IV.TSM2.DHN.01 2023-03-25T15:42:36.63 0.1 undecidable manual P 37 13.7751 113 -0.12 97
IV.TB02.DHE. 2023-03-25T15:42:35.73 0.1 undecidable manual P 13 8.2806 125 -0.05 99
IV.ATLO.HNZ. 2023-03-25T15:42:35.57 0.1 undecidable manual S 40 2.5974 156 -0.38 94
IV.ATVA.EHZ. 2023-03-25T15:42:35.69 0.1 undecidable manual P 256 8.3805 124 -0.11 98
IV.ATVO.HHZ. 2023-03-25T15:42:35.91 0.1 undecidable manual P 10 9.4794 121 -0.08 99
IV.ATLO.HNZ. 2023-03-25T15:42:34.88 0.1 undecidable manual P 40 2.5974 156 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.8 0.000106425515 0.2432 AML other m 2023-03-25T15:42:38.71
IV.ATVO.HHN. ML:0.6 0.00006248252 0.1408 AML other m 2023-03-25T15:42:37.80
IV.MURB.HHE. ML:1.6 0.0006064586 0.2432 AML other m 2023-03-25T15:42:39.49
IV.MURB.HHN. ML:1.7 0.0006636794500000001 0.256 AML other m 2023-03-25T15:42:40.29
IV.MURB.HNE. ML:1.6 0.00057728625 0.2304 AML other m 2023-03-25T15:42:39.48
IV.MURB.HNN. ML:1.6 0.0005753814500000001 0.2176 AML other m 2023-03-25T15:42:39.98
IV.ATPI.EHE. ML:0.8 0.00006400340999999999 0.3072 AML other m 2023-03-25T15:42:40.35
IV.ATPI.EHN. ML:0.7 0.000047575105 0.1792 AML other m 2023-03-25T15:42:40.34
IV.ATCC.EHE. ML:1.0 0.00005814248 0.2176 AML other m 2023-03-25T15:42:43.02
IV.ATCC.EHN. ML:0.8 0.0000461219 0.2432 AML other m 2023-03-25T15:42:44.66
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