Earthquake with magnitude of ML 1.2 on date 23-03-2023 and time 17:34:04 (UTC) in region 6 km E Umbertide (PG)

A magnitude ML 1.2 earthquake occured in region: 6 km E Umbertide (PG), on

  • 23-03-2023 17:34:04 (UTC)
  • 23-03-2023 18:34:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2870, 12.3920 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 6 16681 16681
Montone PG 10 1680 18361
Gubbio PG 17 32216 50577
Pietralunga PG 18 2111 52688
Corciano PG 20 21332 74020
Perugia PG 20 166134 240154

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of Perugia (166134 inhabitants)
45 Km NW of Foligno (57155 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
80 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
83 Km N of Terni (111501 inhabitants)
86 Km E of Siena (53903 inhabitants)
87 Km S of Rimini (147750 inhabitants)
95 Km S of Cesena (96758 inhabitants)
98 Km W of Ancona (100861 inhabitants)
99 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 1.2 2023-03-23
17:34:04
43.2872 12.3918 7 2023-03-23
18:09:45
Sala Sismica INGV-Roma 115670491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-23 17:34:04 ± 0.07
Latitude 43.2872 ± 0.0036
Longitude 12.3918 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115670491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 345
Semi-minor axis of confidence ellipse (meter) 217
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 170
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
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 31
Number of defining phases 29
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) 0.42628
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 24
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 115670491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-23 18:09:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2023-03-23T17:34:20.81 3.0 undecidable manual P -2.11 0
IV.CSP1.EHZ. 2023-03-23T17:34:16.43 3.0 undecidable manual P -0.4 0
IV.MGAB.HHE. 2023-03-23T17:34:13.36 0.6 undecidable manual P 209 47.3193 50 -0.16 46
IV.CAFI.HHZ. 2023-03-23T17:34:11.14 0.1 undecidable manual P 278 34.6431 101 -0.14 94
IV.SSFR.HHZ. 2023-03-23T17:34:11.36 0.6 undecidable manual P 62 35.5422 100 -0.1 47
IV.ASSB.HHZ. 2023-03-23T17:34:10.85 0.3 negative manual P 141 34.6431 101 -0.43 66
IV.ATSC.EHZ. 2023-03-23T17:34:10.17 0.3 undecidable manual P 57 28.1496 103 0.16 71
IV.PIEI.HHZ. 2023-03-23T17:34:10.14 0.3 positive manual P 23 29.8479 102 -0.2 70
IV.ATCC.EHZ. 2023-03-23T17:34:09.10 0.1 positive manual P 119 23.0547 106 0.1 97
IV.ATBU.EHZ. 2023-03-23T17:34:09.24 0.6 undecidable manual P 31 24.4533 105 -0.04 49
IV.ATMC.EHZ. 2023-03-23T17:34:09.19 0.1 undecidable manual P 318 23.8539 105 0.02 98
IV.BADI.EHZ. 2023-03-23T17:34:09.64 0.3 undecidable manual P 334 27.3504 103 -0.21 70
IV.ATVO.HHZ. 2023-03-23T17:34:08.94 0.3 undecidable manual S 6 10.5783 121 0.42 69
IV.ATPC.HNZ. 2023-03-23T17:34:08.73 0.1 undecidable manual P 14 22.0668 106 -0.1 97
IV.ATFO.HHZ. 2023-03-23T17:34:08.21 0.6 positive manual P 59 16.9719 111 0.36 46
IV.TB02.DHZ.01 2023-03-23T17:34:08.04 0.3 undecidable manual S 9 9.3795 125 -0.11 74
IV.ATPI.EHZ. 2023-03-23T17:34:07.95 0.1 undecidable manual P 3 18.1707 110 -0.12 97
IV.TB03.DHZ. 2023-03-23T17:34:07.14 0.3 undecidable manual P 7 12.7761 117 0.06 74
IV.ATVA.EHZ. 2023-03-23T17:34:07.89 0.3 undecidable manual S 264 8.6802 127 -0.07 75
IV.ATMI.HHZ. 2023-03-23T17:34:07.05 1.0 undecidable manual P 298 11.2776 120 0.23 24
IV.MURB.HHZ. 2023-03-23T17:34:07.07 0.1 positive manual P 104 11.0778 120 0.29 95
IV.TSM2.DHZ.01 2023-03-23T17:34:07.40 0.1 undecidable manual P 33 14.4744 114 0.01 100
IT.UMBT.HGZ. 2023-03-23T17:34:07.10 0.6 undecidable manual S 296 4.2957 146 0.2 49
IV.TB02.DHZ.01 2023-03-23T17:34:06.54 0.3 undecidable manual P 9 9.3795 125 0.05 75
IT.UMBT.HGZ. 2023-03-23T17:34:06.03 0.6 undecidable manual P 296 4.2957 146 0.26 48
IV.ATVO.HHZ. 2023-03-23T17:34:06.74 0.1 negative manual P 6 10.5783 121 0.04 100
IV.ATLO.EHZ. 2023-03-23T17:34:06.26 0.1 undecidable manual S 22 3.3966 153 -0.47 92
IV.TSM3.DHZ.07 2023-03-23T17:34:06.80 0.3 undecidable manual P 345 10.9779 120 0.03 75
IV.TB01.DHZ.01 2023-03-23T17:34:06.85 0.3 undecidable manual P 19 11.0778 120 0.07 74
IV.ATVA.EHZ. 2023-03-23T17:34:06.68 0.1 undecidable manual P 264 8.6802 127 0.3 95
IV.ATLO.EHZ. 2023-03-23T17:34:05.58 0.1 undecidable manual P 22 3.3966 153 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.7 0.0000802 1.02 AML other m 2023-03-23T17:34:09.23
IV.ATMI.HHE. ML:1.2 0.0002325 0.18 AML other m 2023-03-23T17:34:09.47
IV.ATVO.HHE. ML:0.8 0.0000898 0.6 AML other m 2023-03-23T17:34:09.65
IV.MURB.HNE. ML:1.6 0.0005989999999999999 0.18 AML other m 2023-03-23T17:34:09.80
IV.MURB.HHN. ML:1.6 0.000615 0.22 AML other m 2023-03-23T17:34:10.47
IV.MURB.HNN. ML:1.6 0.0005965 0.16 AML other m 2023-03-23T17:34:10.47
IV.MURB.HHE. ML:1.6 0.0006325 0.74 AML other m 2023-03-23T17:34:10.80
IV.ATPI.EHN. ML:0.8 0.00005475 1.64 AML other m 2023-03-23T17:34:10.07
IV.ATFO.HHE. ML:1.3 0.000191 1.32 AML other m 2023-03-23T17:34:10.25
IV.ATPI.EHE. ML:0.8 0.00005835 0.12 AML other m 2023-03-23T17:34:11.25
IV.ATFO.HHN. ML:1.1 0.00011350000000000001 0.76 AML other m 2023-03-23T17:34:11.93
IV.ATCC.EHE. ML:1.1 0.00008685000000000001 0.54 AML other m 2023-03-23T17:34:13.41
IV.ATCC.EHN. ML:1.0 0.00007065 0.38 AML other m 2023-03-23T17:34:13.81
IV.ATMI.HHN. ML:1.0 0.0001555 0.32 AML other m 2023-03-23T17:34:16.20
IV.SSFR.HHN. ML:1.3 0.00009080000000000001 0.14 AML other m 2023-03-23T17:34:16.67
IV.SSFR.HHE. ML:1.3 0.00008675 0.18 AML other m 2023-03-23T17:34:16.78
IV.ASSB.HHN. ML:1.0 0.00004285 0.64 AML other m 2023-03-23T17:34:16.50
IV.ASSB.HHE. ML:1.0 0.000039699999999999996 0.42 AML other m 2023-03-23T17:34:17.41
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