Earthquake with magnitude of ML 0.8 on date 11-03-2023 and time 18:25:48 (UTC) in region 5 km E Umbertide (PG)

A magnitude ML 0.8 earthquake occured in region: 5 km E Umbertide (PG), on

  • 11-03-2023 18:25:48 (UTC)
  • 11-03-2023 19:25:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2940, 12.3880 at 6 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
Corciano PG 20 21332 74020

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)
80 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)
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 0.8 2023-03-11
18:25:48
43.2938 12.3882 6 2024-03-01
17:18:05
Bollettino Sismico Italiano INGV 116838391
Reviewed
Rev100
ML 0.7 2023-03-11
18:25:49
43.2977 12.3867 4 2023-03-11
18:37:25
Sala Sismica INGV-Roma 115262091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-11 18:25:48 ± 0.1
Latitude 43.2938 ± 0.0027
Longitude 12.3882 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116838391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 370
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.31926
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 115262091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-11 18:37:25

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 116838391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-28 14:20:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-03-11T18:26:00.94 0.6 undecidable manual S 142 35.4423 99 -0.37 44
IV.BADI.EHZ. 2023-03-11T18:25:58.14 0.3 undecidable manual S 334 26.5512 102 -0.15 71
IV.ATSC.EHZ. 2023-03-11T18:25:58.33 0.6 undecidable manual S 59 28.0497 101 -0.46 44
IV.ATCC.EHZ. 2023-03-11T18:25:57.70 0.6 undecidable manual S 121 23.6541 103 0.41 45
IV.ATBU.EHZ. 2023-03-11T18:25:57.77 0.6 undecidable manual S 33 23.9538 103 0.38 45
IV.ATPC.HNZ. 2023-03-11T18:25:56.84 0.6 undecidable manual S 15 21.4674 105 0.29 46
IV.ATMC.EHZ. 2023-03-11T18:25:56.65 0.6 undecidable manual S 317 23.1546 104 -0.48 44
IV.ATFO.HHZ. 2023-03-11T18:25:55.41 0.6 undecidable manual S 61 16.872 108 0.38 46
IV.ASSB.HHZ. 2023-03-11T18:25:55.38 0.3 undecidable manual P 142 35.4423 99 -0.67 60
IV.ATPI.EHZ. 2023-03-11T18:25:55.25 0.6 undecidable manual S 4 17.4714 108 0.03 49
IV.BADI.EHZ. 2023-03-11T18:25:54.65 0.6 undecidable manual P 334 26.5512 102 0.34 45
IV.ATSC.EHZ. 2023-03-11T18:25:54.38 0.1 undecidable manual P 59 28.0497 101 -0.21 93
IV.TSM2.DHZ. 2023-03-11T18:25:53.72 0.6 undecidable manual S 36 13.9749 112 -0.38 46
IV.ATMC.EHZ. 2023-03-11T18:25:53.20 0.3 undecidable manual P 317 23.1546 104 -0.43 67
IV.MURB.HHZ. 2023-03-11T18:25:53.90 0.6 undecidable manual S 107 11.5773 116 0.58 43
IV.ATCC.EHZ. 2023-03-11T18:25:53.70 0.3 negative manual P 121 23.6541 103 -0.03 73
IV.ATBU.EHZ. 2023-03-11T18:25:53.76 0.1 undecidable manual P 33 23.9538 103 -0.03 97
IV.ATMI.HHZ. 2023-03-11T18:25:53.24 0.6 undecidable manual S 295 10.6782 118 0.19 48
IV.TB03.DHZ. 2023-03-11T18:25:53.58 0.6 undecidable manual S 9 12.0768 115 0.1 49
IV.TB01.DHZ. 2023-03-11T18:25:53.00 0.6 undecidable manual S 21 10.4784 118 0.02 50
IV.ATPC.HNZ. 2023-03-11T18:25:53.39 0.1 undecidable manual P 15 21.4674 105 0.09 96
IV.ATVO.HHZ. 2023-03-11T18:25:52.71 0.6 undecidable manual S 9 9.879 120 -0.1 49
IV.ATVA.EHZ. 2023-03-11T18:25:52.24 0.6 undecidable manual S 259 8.4804 124 -0.15 49
IV.ATPI.EHZ. 2023-03-11T18:25:52.66 0.3 undecidable manual P 4 17.4714 108 0.13 72
IV.TB02.DHZ. 2023-03-11T18:25:52.46 0.6 undecidable manual S 11 8.6802 123 0.02 50
IV.ATFO.HHZ. 2023-03-11T18:25:52.38 0.3 undecidable manual P 61 16.872 108 -0.04 73
IV.ATMI.HHZ. 2023-03-11T18:25:51.71 0.3 undecidable manual P 295 10.6782 118 0.43 68
IV.TB03.DHZ. 2023-03-11T18:25:51.48 0.1 undecidable manual P 9 12.0768 115 -0.05 98
IV.TB01.DHZ. 2023-03-11T18:25:51.28 0.1 undecidable manual P 21 10.4784 118 0.04 99
IV.ATVO.HHZ. 2023-03-11T18:25:51.20 0.3 positive manual P 9 9.879 120 0.06 74
IV.ATVA.EHZ. 2023-03-11T18:25:51.22 0.1 undecidable manual P 259 8.4804 124 0.32 94
IV.TSM2.DHZ. 2023-03-11T18:25:51.85 0.1 undecidable manual P 36 13.9749 112 -0.04 98
IV.MURB.HHZ. 2023-03-11T18:25:51.62 0.1 positive manual P 107 11.5773 116 0.19 96
IV.ATLO.EHZ. 2023-03-11T18:25:50.74 0.1 undecidable manual S 33 2.7972 153 -0.3 95
IV.ATLO.EHZ. 2023-03-11T18:25:50.07 0.1 undecidable manual P 33 2.7972 153 -0.05 100
IV.TB02.DHZ. 2023-03-11T18:25:50.99 0.1 undecidable manual P 11 8.6802 123 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.7 0.0000924 0.66 AML other m 2023-03-11T18:25:53.59
IV.MURB.HNN. ML:1.6 0.0005355000000000001 0.16 AML other m 2023-03-11T18:25:54.10
IV.MURB.HHE. ML:1.6 0.0005085269 0.1408 AML other m 2023-03-11T18:25:54.30
IV.ATVO.HHN. ML:0.5 0.000048241019999999996 0.2816 AML other m 2023-03-11T18:25:54.04
IV.ATMI.HHE. ML:0.9 0.00010950580499999998 0.1408 AML other m 2023-03-11T18:25:53.91
IV.ATMI.HHN. ML:0.6 0.00006711080999999999 0.2304 AML other m 2023-03-11T18:25:56.12
IV.ATFO.HHE. ML:0.8 0.00005603350999999999 0.1536 AML other m 2023-03-11T18:25:56.30
IV.ATFO.HHN. ML:0.7 0.000051427605 0.2176 AML other m 2023-03-11T18:25:55.65
IV.ATPI.EHE. ML:0.5 0.000031954875 0.1792 AML other m 2023-03-11T18:25:55.97
IV.ATPI.EHN. ML:0.5 0.000030621985 0.1664 AML other m 2023-03-11T18:25:55.86
IV.ATCC.EHN. ML:1.0 0.000057839224999999995 0.1152 AML other m 2023-03-11T18:25:58.39
IV.ATCC.EHE. ML:1.1 0.000078680945 0.192 AML other m 2023-03-11T18:25:58.08
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