Earthquake with magnitude of ML 1.3 on date 23-03-2023 and time 08:20:50 (UTC) in region 5 km E Umbertide (PG)

A magnitude ML 1.3 earthquake occured in region: 5 km E Umbertide (PG), on

  • 23-03-2023 08:20:50 (UTC)
  • 23-03-2023 09:20:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2980, 12.3940 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 6 16681 16681
Montone PG 9 1680 18361
Gubbio PG 16 32216 50577
Pietralunga PG 17 2111 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)
84 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
Bulletin
Rev1000
ML 1.3 2023-03-23
08:20:50
43.2977 12.3943 8 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124203251
Reviewed
Rev100
ML 1.3 2023-03-23
08:20:50
43.2973 12.3978 7 2023-03-23
08:42:50
Sala Sismica INGV-Roma 115660671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-23 08:20:50 ± 0.05
Latitude 43.2977 ± 0.0027
Longitude 12.3943 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124203251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 269
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45865
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 124203251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-22 12:12:35

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 115660671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-23 08:42:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RCAV.EHZ. 2023-03-23T08:21:18.71 3.0 undecidable manual P 0.1 0
IV.IMOL.EHZ. 2023-03-23T08:21:08.61 3.0 undecidable manual P 0
IV.MGAB.HHZ. 2023-03-23T08:21:07.61 0.6 undecidable manual S 208 48.4182 50 0.82 37
IV.MML1.EHZ. 2023-03-23T08:21:07.59 1.0 undecidable manual S 113 50.9157 50 0.13 23
IV.CAFI.HHZ. 2023-03-23T08:21:02.82 0.3 undecidable manual S 276 34.743 50 -0.31 68
IV.ASSB.HHZ. 2023-03-23T08:21:02.71 0.6 undecidable manual S 143 35.4423 50 -0.62 41
IV.PIEI.HHZ. 2023-03-23T08:21:01.17 0.3 undecidable manual S 23 28.749 106 0.03 72
IV.BADI.EHZ. 2023-03-23T08:21:00.36 0.3 undecidable manual S 333 26.4513 107 -0.02 73
IV.MML1.EHZ. 2023-03-23T08:21:00.57 0.6 undecidable manual P 113 50.9157 50 0.16 45
IV.MGAB.HHZ. 2023-03-23T08:20:59.89 0.1 undecidable manual P 208 48.4182 50 -0.13 91
IV.ATCC.EHZ. 2023-03-23T08:20:59.60 0.6 undecidable manual S 122 23.4543 109 0.21 47
IV.CAFI.HHZ. 2023-03-23T08:20:57.78 0.1 undecidable manual P 276 34.743 50 -0.12 94
IV.ASSB.HHZ. 2023-03-23T08:20:57.87 0.3 undecidable manual P 143 35.4423 50 -0.15 70
IV.ATFO.HHZ. 2023-03-23T08:20:57.21 0.3 undecidable manual S 62 16.1727 117 0.14 72
IV.ATPI.EHZ. 2023-03-23T08:20:57.52 0.3 undecidable manual S 2 16.9719 116 0.2 71
IV.BADI.EHZ. 2023-03-23T08:20:56.34 0.3 undecidable manual P 333 26.4513 107 0.02 73
IV.PIEI.HHZ. 2023-03-23T08:20:56.71 0.1 undecidable manual P 23 28.749 106 -0.05 96
IV.ATMI.HHZ. 2023-03-23T08:20:55.69 0.3 undecidable manual S 292 10.9779 127 0.17 73
IV.TB01.DHZ.01 2023-03-23T08:20:55.21 0.3 undecidable manual S 20 9.879 130 -0.02 75
IV.ATCC.EHZ. 2023-03-23T08:20:55.67 0.3 undecidable manual P 122 23.4543 109 -0.08 72
IV.ATVO.HHZ. 2023-03-23T08:20:55.02 0.6 undecidable manual S 6 9.3795 131 -0.09 49
IV.MURB.HHZ. 2023-03-23T08:20:55.76 0.3 undecidable manual S 110 11.1777 126 0.17 72
IV.ATPI.EHZ. 2023-03-23T08:20:54.76 0.3 undecidable manual P 2 16.9719 116 0.21 71
IV.ATVA.EHE. 2023-03-23T08:20:54.94 0.3 undecidable manual S 257 9.0798 132 -0.07 74
IV.TB02.DHZ.01 2023-03-23T08:20:54.60 0.3 undecidable manual S 9 8.1807 135 -0.19 73
IV.ATFO.HHZ. 2023-03-23T08:20:54.46 0.1 undecidable manual P 62 16.1727 117 0.05 98
IV.ATVA.EHE. 2023-03-23T08:20:53.41 0.1 undecidable manual P 257 9.0798 132 0.19 97
IV.TB02.DHZ.01 2023-03-23T08:20:53.12 0.1 undecidable manual P 9 8.1807 135 0.03 100
IV.MURB.HHZ. 2023-03-23T08:20:53.61 0.1 positive manual P 110 11.1777 126 0.06 99
IT.UMBT.HGZ. 2023-03-23T08:20:53.94 0.3 undecidable manual S 280 4.1958 153 -0.02 76
IV.ATMI.HHZ. 2023-03-23T08:20:53.78 0.3 undecidable manual P 292 10.9779 127 0.26 71
IV.TB01.DHZ.01 2023-03-23T08:20:53.37 0.1 undecidable manual P 20 9.879 130 0.03 100
IV.ATVO.HHZ. 2023-03-23T08:20:53.33 0.1 positive manual P 6 9.3795 131 0.06 99
IV.ATLO.EHZ. 2023-03-23T08:20:53.00 0.3 undecidable manual S 28 2.1978 165 -0.72 63
IV.ATLO.EHZ. 2023-03-23T08:20:52.24 0.1 undecidable manual P 28 2.1978 165 -0.23 97
IT.UMBT.HGZ. 2023-03-23T08:20:52.74 0.3 undecidable manual P 280 4.1958 153 0.13 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.1 0.0001875 0.18 AML other m 2023-03-23T08:20:55.23
IV.ATVO.HHE. ML:1.1 0.000194 0.52 AML other m 2023-03-23T08:20:55.30
IV.MURB.HNN. ML:1.8 0.000769 1 AML other m 2023-03-23T08:20:55.37
IV.MURB.HNE. ML:1.9 0.001095 1.8 AML other m 2023-03-23T08:20:55.09
IV.MURB.HHE. ML:1.9 0.001122 0.18 AML other m 2023-03-23T08:20:56.09
IV.MURB.HHN. ML:1.8 0.000865 0.54 AML other m 2023-03-23T08:20:56.00
IV.ATMI.HHE. ML:1.1 0.000182 0.38 AML other m 2023-03-23T08:20:56.47
IV.ATMI.HHN. ML:1.0 0.000146 0.58 AML other m 2023-03-23T08:20:57.57
IV.ATFO.HHN. ML:1.2 0.00013785 1.16 AML other m 2023-03-23T08:20:57.80
IV.ATFO.HHE. ML:1.1 0.0001275 0.46 AML other m 2023-03-23T08:20:57.64
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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