Earthquake with magnitude of ML 1.1 on date 11-03-2023 and time 13:46:23 (UTC) in region 4 km E Umbertide (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km E Umbertide (PG), on

  • 11-03-2023 13:46:23 (UTC)
  • 11-03-2023 14:46:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2910, 12.3760 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 4 16681 16681
Montone PG 9 1680 18361
Pietralunga PG 18 2111 20472
Gubbio PG 18 32216 52688
Corciano PG 19 21332 74020
Lisciano Niccone PG 19 613 74633

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
46 Km NW of Foligno (57155 inhabitants)
81 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
84 Km N of Terni (111501 inhabitants)
85 Km E of Siena (53903 inhabitants)
87 Km S of Rimini (147750 inhabitants)
95 Km S of Cesena (96758 inhabitants)
99 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 1.1 2023-03-11
13:46:23
43.291 12.3762 8 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 117716321
Reviewed
Rev100
ML 1.0 2023-03-11
13:46:23
43.3007 12.3773 5 2023-03-11
14:06:06
Sala Sismica INGV-Roma 115255441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-11 13:46:23 ± 0.09
Latitude 43.2910 ± 0.0045
Longitude 12.3762 ± 0.0062
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117716321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 377
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32286
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 117716321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-25 12:54:43

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 115255441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-11 14:06:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EPIT.HHZ. 2023-03-11T13:47:40.59 3.0 positive manual Pg 16.190001 0
GU.RORO.HHZ. 2023-03-11T13:47:35.69 3.0 undecidable manual Sn 1.08 0
IV.MUCR.HHZ. 2023-03-11T13:47:32.84 3.0 undecidable manual Pg 11.82 0
IV.EPOZ.HHZ. 2023-03-11T13:47:30.58 3.0 undecidable manual Pn 4.05 0
IV.CET2.HHZ. 2023-03-11T13:47:25.47 3.0 negative manual Pg 17.129999 0
IV.MTGR.HHZ. 2023-03-11T13:47:15.46 3.0 negative manual Pn -3.81 0
IV.CELB.HHZ. 2023-03-11T13:47:12.89 3.0 undecidable manual Sg 2.24 0
CH.MUGIO.HHZ. 2023-03-11T13:47:06.25 3.0 positive manual Pg 15.58 0
IV.SENI.EHZ. 2023-03-11T13:47:02.27 3.0 undecidable manual Sg 5.62 0
IV.SNAL.HNZ. 2023-03-11T13:47:02.15 3.0 undecidable manual Pg 11.36 0
GU.GSCL.HHZ. 2023-03-11T13:47:02.34 3.0 undecidable manual Sn -3.76 0
IV.CSNT.HHZ. 2023-03-11T13:47:00.63 3.0 undecidable manual Sg 1.85 0
IV.IMOL.HNZ. 2023-03-11T13:46:57.74 3.0 undecidable manual Sn -1.38 0
OX.CIMO.HHZ. 2023-03-11T13:46:47.18 3.0 positive manual Pn 3.66 0
GU.CARD.HHZ. 2023-03-11T13:46:42.39 3.0 negative manual Pg 9.59 0
IV.ASSB.HHN. 2023-03-11T13:46:35.36 0.6 undecidable manual S 140 35.8419 50 -0.34 45
IV.PIEI.HNN. 2023-03-11T13:46:33.78 0.6 undecidable manual S 25 30.0477 105 -0.07 48
IV.ATSC.EHE. 2023-03-11T13:46:33.24 0.6 undecidable manual S 59 29.0487 106 -0.29 46
IV.ATBU.EHZ. 2023-03-11T13:46:32.40 0.6 undecidable manual S 34 24.753 108 0.29 46
IV.ASSB.HHN. 2023-03-11T13:46:30.03 0.1 undecidable manual P 140 35.8419 50 -0.32 90
IV.ATSC.EHE. 2023-03-11T13:46:29.10 0.3 undecidable manual P 59 29.0487 106 0 73
IV.ATPI.EHE. 2023-03-11T13:46:29.78 0.6 undecidable manual S 7 17.871 115 -0.09 49
IV.PIEI.HNN. 2023-03-11T13:46:29.01 0.6 undecidable manual P 25 30.0477 105 -0.28 46
IV.ATBU.EHZ. 2023-03-11T13:46:28.44 0.1 undecidable manual P 34 24.753 108 0.16 95
IV.MURB.HHZ. 2023-03-11T13:46:28.76 0.6 undecidable manual S 104 12.3765 124 0.55 44
IV.TSM2.DHN. 2023-03-11T13:46:28.96 0.6 undecidable manual S 38 14.874 119 0.01 50
IV.TB03.DH1. 2023-03-11T13:46:28.15 0.6 undecidable manual S 13 12.5763 123 -0.11 49
IV.ATMI.HHZ. 2023-03-11T13:46:27.68 0.6 undecidable manual S 299 9.9789 130 0.14 49
IV.TB01.DHZ. 2023-03-11T13:46:27.78 0.6 undecidable manual S 25 11.1777 126 -0.08 50
IV.TB02.DHZ. 2023-03-11T13:46:27.20 0.6 undecidable manual S 17 9.1797 132 -0.14 49
IV.ATVO.HHZ. 2023-03-11T13:46:27.32 0.6 undecidable manual S 14 10.3785 128 -0.34 47
IV.ATPI.EHE. 2023-03-11T13:46:27.09 0.1 undecidable manual P 7 17.871 115 0.1 98
IV.TSM2.DHN. 2023-03-11T13:46:26.54 0.1 undecidable manual P 38 14.874 119 0.08 98
IV.TB03.DH1. 2023-03-11T13:46:26.11 0.1 undecidable manual P 13 12.5763 123 0.05 99
IV.ATMI.HHZ. 2023-03-11T13:46:26.14 0.6 undecidable manual P 299 9.9789 130 0.5 45
IV.MURB.HHZ. 2023-03-11T13:46:26.36 0.1 undecidable manual P 104 12.3765 124 0.33 94
IV.ATVA.EHE. 2023-03-11T13:46:26.70 0.6 undecidable manual S 259 7.4814 138 -0.21 49
IV.ATVO.HHZ. 2023-03-11T13:46:25.81 0.1 undecidable manual P 14 10.3785 128 0.1 99
IV.ATLO.EHE. 2023-03-11T13:46:25.48 0.6 undecidable manual S 43 3.6963 156 -0.7 42
IT.UMBT.HGZ. 2023-03-11T13:46:25.54 0.6 undecidable manual S 299 2.997 160 -0.55 45
IV.ATVA.EHE. 2023-03-11T13:46:25.36 0.1 undecidable manual P 259 7.4814 138 0.08 100
IV.TB01.DHZ. 2023-03-11T13:46:25.88 0.1 undecidable manual P 25 11.1777 126 0.05 100
IT.UMBT.HGZ. 2023-03-11T13:46:25.02 0.3 undecidable manual P 299 2.997 160 0.21 73
IV.TB02.DHZ. 2023-03-11T13:46:25.59 0.1 undecidable manual P 17 9.1797 132 0.06 100
IV.ATLO.EHE. 2023-03-11T13:46:24.76 0.1 undecidable manual P 43 3.6963 156 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHE. ML:1.1 0.000172716565 0.256 AML other m 2023-03-11T13:46:28.46
IV.ATMI.HHN. ML:1.0 0.00014094999999999998 1.28 AML other m 2023-03-11T13:46:28.26
IV.MURB.HHE. ML:1.6 0.00044950000000000003 0.36 AML other m 2023-03-11T13:46:29.48
IV.MURB.HHN. ML:1.5 0.00041900000000000005 1.06 AML other m 2023-03-11T13:46:29.93
IV.ATVO.HHN. ML:0.5 0.000047351409999999996 0.32 AML other m 2023-03-11T13:46:28.09
IV.ATVO.HHE. ML:0.8 0.00008265995 0.16 AML other m 2023-03-11T13:46:28.46
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