Earthquake with magnitude of ML 0.6 on date 11-03-2023 and time 22:08:20 (UTC) in region 5 km E Umbertide (PG)

A magnitude ML 0.6 earthquake occured in region: 5 km E Umbertide (PG), on

  • 11-03-2023 22:08:20 (UTC)
  • 11-03-2023 23:08:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2950, 12.3910 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
Gubbio PG 17 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)
45 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)
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
Bulletin
Rev1000
ML 0.6 2023-03-11
22:08:20
43.2952 12.3908 8 2024-03-01
17:18:05
Bollettino Sismico Italiano INGV 116845091
Reviewed
Rev100
ML 1.2 2023-03-11
22:08:21
43.2928 12.3913 7 2023-03-11
22:19:32
Sala Sismica INGV-Roma 115265791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-11 22:08:20 ± 0.45
Latitude 43.2952 ± 0.0099
Longitude 12.3908 ± 0.0124
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116845091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1219
Semi-minor axis of confidence ellipse (meter) 190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 9
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.15558
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 116845091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-28 17:23:08

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 115265791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-11 22:19:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2023-03-11T22:09:43.50 3.0 undecidable manual Sg 3.4 0
IV.TREG.EHZ. 2023-03-11T22:09:40.96 3.0 undecidable manual Sg 11.28 0
IV.USI.HHZ. 2023-03-11T22:09:32.48 3.0 undecidable manual Sn -3.91 0
IV.HLNI.HHZ. 2023-03-11T22:09:30.46 3.0 undecidable manual Pg 15.84 0
GU.GBOS.HHZ. 2023-03-11T22:09:12.57 3.0 undecidable manual Sg -0.95 0
IV.AIO.HHZ. 2023-03-11T22:09:11.91 3.0 undecidable manual Pn 1.51 0
IV.IVPL.HHZ. 2023-03-11T22:09:10.16 3.0 undecidable manual Pn 5.72 0
IV.LRP.EHZ. 2023-03-11T22:09:07.13 3.0 undecidable manual Sn 6.64 0
IV.IMOL.HNZ. 2023-03-11T22:09:06.64 3.0 undecidable manual Sg 1.63 0
IV.VARE.HHZ. 2023-03-11T22:08:41.74 3.0 undecidable manual Pn -9.81 0
IV.IMOL.HNZ. 2023-03-11T22:08:29.51 3.0 negative manual Pn -1.72 0
IV.ATPI.EHZ. 2023-03-11T22:08:28.00 0.6 undecidable manual S 3 17.2716 115 0.44 46
IV.MURB.HHZ. 2023-03-11T22:08:25.95 0.6 undecidable manual S 108 11.3775 126 0.16 49
IV.ATMI.HHZ. 2023-03-11T22:08:25.63 0.6 undecidable manual S 294 10.7781 127 0 50
IV.ATVO.HHZ. 2023-03-11T22:08:24.99 0.6 undecidable manual S 8 9.6792 130 -0.35 47
IV.ATFO.HHZ. 2023-03-11T22:08:24.74 1.0 positive manual P 61 16.5723 116 0.1 24
IV.ATMI.HHZ. 2023-03-11T22:08:23.92 1.0 undecidable manual P 294 10.7781 127 0.27 24
IV.ATPI.EHZ. 2023-03-11T22:08:23.97 1.0 undecidable manual P 3 17.2716 115 -0.8 20
IV.ATVO.HHZ. 2023-03-11T22:08:23.53 0.1 undecidable manual P 8 9.6792 130 0.05 100
IV.MURB.HHZ. 2023-03-11T22:08:23.63 0.3 positive manual P 108 11.3775 126 -0.11 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:1.4 0.0002915 0.18 AML other m 2023-03-11T22:08:26.02
IV.MURB.HHE. ML:1.1 0.0001495123 0.1536 AML other m 2023-03-11T22:08:26.82
IV.ATVO.HHN. ML:0.2 0.00002654626 2.304 AML other m 2023-03-11T22:08:26.15
IV.ATVO.HHE. ML:0.5 0.000044576530000000005 2.88 AML other m 2023-03-11T22:08:24.61
IV.ATMI.HHE. ML:0.5 0.000041931874999999996 0.192 AML other m 2023-03-11T22:08:26.98
IV.ATMI.HHN. ML:0.6 0.000047794384999999997 2.2784 AML other m 2023-03-11T22:08:29.04
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