Earthquake with magnitude of ML 1.0 on date 25-03-2023 and time 05:12:56 (UTC) 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 05:12:56 (UTC)
  • 25-03-2023 06:12:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3000, 12.3860 at 9 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 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
Reviewed
Rev100
ML 1.0 2023-03-25
05:12:56
43.3003 12.3857 9 2023-03-25
05:57:04
Sala Sismica INGV-Roma 115712941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-25 05:12:56 ± 0.06
Latitude 43.3003 ± 0.0036
Longitude 12.3857 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115712941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 536
Semi-minor axis of confidence ellipse (meter) 121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.36423
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 115712941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-25 05:57:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2023-03-25T05:13:05.98 0.3 undecidable manual S 122 24.1536 111 0.02 75
IV.CAFI.HHZ. 2023-03-25T05:13:04.05 0.6 positive manual P 276 34.0437 50 0.22 47
IV.PARC.HHZ. 2023-03-25T05:13:04.88 0.1 undecidable manual P 343 40.4262 50 0.07 96
IV.ATPI.EHZ. 2023-03-25T05:13:03.52 0.3 undecidable manual S 5 16.7721 119 -0.09 75
IV.ASSB.HHZ. 2023-03-25T05:13:03.84 0.3 negative manual P 142 36.1416 50 -0.31 69
IV.BADI.EHZ. 2023-03-25T05:13:02.49 1.0 undecidable manual P 334 25.8519 110 0.03 25
IV.MURB.HHZ. 2023-03-25T05:13:02.27 0.3 undecidable manual S 110 11.9769 128 0.04 76
IV.PIEI.HHZ. 2023-03-25T05:13:02.99 0.6 positive manual P 25 28.749 108 -0.02 49
IV.ATCC.EHZ. 2023-03-25T05:13:02.06 1.0 positive manual P 122 24.1536 111 -0.09 25
IV.ATMI.HHZ. 2023-03-25T05:13:01.60 0.3 undecidable manual S 292 10.1787 133 -0.17 74
IV.MURB.HHZ. 2023-03-25T05:13:00.11 0.1 negative manual P 110 11.9769 128 0.11 100
IV.ATMI.HHZ. 2023-03-25T05:13:00.16 1.0 negative manual P 292 10.1787 133 0.43 23
IV.ATPI.EHZ. 2023-03-25T05:13:00.79 1.0 undecidable manual P 5 16.7721 119 -0.01 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.5 0.000376 0.2 AML other m 2023-03-25T05:13:02.79
IV.MURB.HHN. ML:1.4 0.00030600000000000007 0.18 AML other m 2023-03-25T05:13:02.79
IV.ATPI.EHN. ML:0.9 0.00007314999999999999 0.26 AML other m 2023-03-25T05:13:03.80
IV.ATPI.EHE. ML:0.8 0.00006235 0.48 AML other m 2023-03-25T05:13:04.45
IV.ATMI.HHE. ML:0.9 0.00009259999999999999 0.72 AML other m 2023-03-25T05:13:06.37
IV.ATMI.HHN. ML:0.7 0.00006264999999999999 1.12 AML other m 2023-03-25T05:13:07.74
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