Earthquake with magnitude of ML 0.8 on date 03-10-2023 and time 22:47:43 (UTC) in region 7 km SE Umbertide (PG)

A magnitude ML 0.8 earthquake occured in region: 7 km SE Umbertide (PG), on

  • 03-10-2023 22:47:43 (UTC)
  • 04-10-2023 00:47:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2640, 12.3830 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 7 16681 16681
Montone PG 12 1680 18361
Corciano PG 17 21332 39693
Perugia PG 17 166134 205827
Gubbio PG 19 32216 238043
Lisciano Niccone PG 19 613 238656
Magione PG 20 14865 253521

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Perugia (166134 inhabitants)
43 Km NW of Foligno (57155 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
81 Km N of Terni (111501 inhabitants)
83 Km SW of Fano (60888 inhabitants)
84 Km SW of Pesaro (94582 inhabitants)
85 Km E of Siena (53903 inhabitants)
90 Km S of Rimini (147750 inhabitants)
97 Km N of Viterbo (67173 inhabitants)
98 Km S of Cesena (96758 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 0.8 2023-10-03
22:47:43
43.2643 12.3828 9 2023-10-03
22:55:33
Sala Sismica INGV-Roma 121726151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-03 22:47:43 ± 0.07
Latitude 43.2643 ± 0.0045
Longitude 12.3828 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121726151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 453
Semi-minor axis of confidence ellipse (meter) 347
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
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) 72
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.40290
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 121726151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-03 22:55:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2023-10-03T22:47:58.34 0.6 undecidable manual S 209 44.7219 50 0.15 46
IV.ASSB.HHZ. 2023-10-03T22:47:54.57 0.6 undecidable manual S 138 33.2445 50 -0.54 43
IV.ATPI.EHZ. 2023-10-03T22:47:51.16 0.3 undecidable manual S 4 20.7681 114 -0.03 74
IV.MGAB.HHZ. 2023-10-03T22:47:51.87 0.3 undecidable manual P 209 44.7219 50 -0.05 71
IV.ATCC.EHZ. 2023-10-03T22:47:51.90 0.3 undecidable manual S 113 22.5552 112 0.13 72
IV.PIEI.HHZ. 2023-10-03T22:47:50.05 0.3 undecidable manual P 22 32.5452 50 0.02 73
IV.ASSB.HHZ. 2023-10-03T22:47:50.09 0.6 undecidable manual P 138 33.2445 50 -0.04 48
IV.ATCC.EHZ. 2023-10-03T22:47:48.22 0.3 undecidable manual P 113 22.5552 112 0.01 74
IV.MURB.HHZ. 2023-10-03T22:47:48.63 0.3 undecidable manual S 91 11.4774 128 0.23 72
IV.ATVO.HHZ. 2023-10-03T22:47:48.87 0.3 undecidable manual S 8 13.1757 124 -0.02 75
IV.ATMI.HHZ. 2023-10-03T22:47:48.69 0.3 undecidable manual S 310 12.0768 127 0.12 74
IV.ATPI.EHZ. 2023-10-03T22:47:47.84 0.3 undecidable manual P 4 20.7681 114 -0.02 74
IV.TSM4.DHE.01 2023-10-03T22:47:47.37 0.6 undecidable manual S 308 7.9809 138 -0.16 49
IV.ATMI.HHZ. 2023-10-03T22:47:46.70 0.1 undecidable manual P 310 12.0768 127 0.34 94
IV.ATVA.EHE. 2023-10-03T22:47:46.88 0.6 undecidable manual S 281 7.9809 138 -0.65 43
IV.MURB.HHZ. 2023-10-03T22:47:46.30 0.1 positive manual P 91 11.4774 128 0.04 100
IV.ATLO.EHE. 2023-10-03T22:47:46.52 0.6 undecidable manual S 19 5.994 147 -0.57 45
IV.ATVO.HHZ. 2023-10-03T22:47:46.62 0.6 negative manual P 8 13.1757 124 0.08 49
IV.ATVA.EHE. 2023-10-03T22:47:45.92 0.3 undecidable manual P 281 7.9809 138 0.16 74
IV.ATLO.EHE. 2023-10-03T22:47:45.42 0.1 undecidable manual P 19 5.994 147 -0.08 100
IV.TSM4.DHE.01 2023-10-03T22:47:45.92 0.3 undecidable manual P 308 7.9809 138 0.17 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.3 0.0002565 0.24 AML other m 2023-10-03T22:47:48.90
IV.MURB.HHN. ML:1.5 0.0004265 0.96 AML other m 2023-10-03T22:47:49.19
IV.ATMI.HHE. ML:1.2 0.00019 1.76 AML other m 2023-10-03T22:47:49.11
IV.ATVO.HHE. ML:0.6 0.0000436 0.58 AML other m 2023-10-03T22:47:50.23
IV.ATMI.HHN. ML:0.7 0.000059572395 0.3456 AML other m 2023-10-03T22:47:49.61
IV.ATVO.HHN. ML:0.4 0.0000296 1.58 AML other m 2023-10-03T22:47:50.15
IV.ATPI.EHN. ML:0.3 0.000015073495 0.384 AML other m 2023-10-03T22:47:51.53
IV.ATCC.EHN. ML:0.8 0.000041349999999999995 0.9 AML other m 2023-10-03T22:47:52.02
IV.ATCC.EHE. ML:0.8 0.0000402 0.64 AML other m 2023-10-03T22:47:52.26
IV.ATPI.EHE. ML:0.4 0.0000202 0.58 AML other m 2023-10-03T22:47:53.66
IV.MURB.HNE. ML:1.4 0.00029512595000000003 0.1792 AML other m 2023-10-03T22:47:48.92
IV.MURB.HNN. ML:1.4 0.0003084054 0.2304 AML other m 2023-10-03T22:47:49.18
IV.ASSB.HHE. ML:0.4 0.00001092094 0.2048 AML other m 2023-10-03T22:47:55.91
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