Earthquake with magnitude of ML 0.9 on date 23-07-2023 and time 16:44:49 (UTC) in region 8 km SE Gubbio (PG)

A magnitude ML 0.9 earthquake occured in region: 8 km SE Gubbio (PG), on

  • 23-07-2023 16:44:49 (UTC)
  • 23-07-2023 18:44:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2940, 12.6370 at 10 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
Gubbio PG 8 32216 32216
Sigillo PG 10 2404 34620
Costacciaro PG 10 1216 35836
Fossato di Vico PG 10 2840 38676
Scheggia e Pascelupo PG 13 1393 40069
Gualdo Tadino PG 14 15208 55277
Valfabbrica PG 15 3389 58666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Perugia (166134 inhabitants)
38 Km N of Foligno (57155 inhabitants)
64 Km E of Arezzo (99543 inhabitants)
69 Km SW of Fano (60888 inhabitants)
72 Km SW of Pesaro (94582 inhabitants)
80 Km W of Ancona (100861 inhabitants)
81 Km N of Terni (111501 inhabitants)
86 Km S of Rimini (147750 inhabitants)
99 Km SE 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 0.9 2023-07-23
16:44:49
43.2937 12.6367 10 2023-07-23
17:03:14
Sala Sismica INGV-Roma 119509511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-23 16:44:49 ± 0.05
Latitude 43.2937 ± 0.0027
Longitude 12.6367 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119509511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 85
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
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 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 119509511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-23 17:03:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-07-23T16:45:06.25 0.6 undecidable manual S 116 51.1155 50 0.71 40
IV.FDMO.HHZ. 2023-07-23T16:45:04.72 0.6 undecidable manual S 128 46.3203 50 0.46 44
IV.NARO.HHZ. 2023-07-23T16:45:01.72 0.6 undecidable manual S 353 35.4423 50 0.35 46
IV.MML1.EHZ. 2023-07-23T16:45:00.83 0.6 undecidable manual S 126 33.6441 50 -0.06 49
IV.PIEI.HHZ. 2023-07-23T16:44:59.25 0.6 undecidable manual S 343 28.0497 50 -0.14 49
IV.ASSB.HHZ. 2023-07-23T16:44:59.07 0.6 undecidable manual S 176 27.9498 50 -0.28 47
IV.FRON.EHZ. 2023-07-23T16:44:58.65 0.6 undecidable manual S 16 25.8519 50 -0.16 49
IV.SNTG.HHZ. 2023-07-23T16:44:58.18 0.6 undecidable manual S 100 24.9528 112 -0.37 47
IV.CSP1.EHZ. 2023-07-23T16:44:58.61 1.0 undecidable manual P 116 51.1155 50 -0.03 24
IV.ATPI.EHZ. 2023-07-23T16:44:58.79 0.6 undecidable manual S 313 25.752 50 0.03 50
IV.FDMO.HHZ. 2023-07-23T16:44:57.73 0.6 positive manual P 128 46.3203 50 -0.17 47
IV.ATVO.HHZ. 2023-07-23T16:44:57.19 0.6 undecidable manual S 298 20.9679 116 -0.11 50
IV.NARO.HHZ. 2023-07-23T16:44:56.22 1.0 undecidable manual P 353 35.4423 50 -0.01 25
IV.SSFR.HHZ. 2023-07-23T16:44:56.81 0.6 undecidable manual S 37 19.6692 117 -0.09 50
IV.PIEI.HHZ. 2023-07-23T16:44:55.22 0.3 undecidable manual P 343 28.0497 50 0.13 73
IV.MML1.EHZ. 2023-07-23T16:44:55.67 1.0 negative manual P 126 33.6441 50 -0.28 23
IV.ATPI.EHZ. 2023-07-23T16:44:54.62 1.0 positive manual P 313 25.752 50 -0.11 25
IV.ASSB.HHZ. 2023-07-23T16:44:54.78 0.3 negative manual P 176 27.9498 50 -0.29 71
IV.ATCC.EHZ. 2023-07-23T16:44:54.93 0.6 undecidable manual S 179 12.0768 130 0.26 49
IV.FRON.EHZ. 2023-07-23T16:44:54.50 0.6 positive manual P 16 25.8519 50 -0.25 48
IV.SNTG.HHZ. 2023-07-23T16:44:54.55 0.3 undecidable manual P 100 24.9528 112 -0.05 75
IV.ATFO.HHZ. 2023-07-23T16:44:54.25 0.6 undecidable manual S 327 9.6792 136 0.19 50
IV.SSFR.HHZ. 2023-07-23T16:44:53.69 1.0 undecidable manual P 37 19.6692 117 0.04 25
IV.FOSV.EHZ. 2023-07-23T16:44:53.96 0.6 undecidable manual S 89 10.0788 135 -0.2 50
IV.ATVO.HHZ. 2023-07-23T16:44:53.77 0.1 negative manual P 298 20.9679 116 -0.12 99
IV.ATFO.HHZ. 2023-07-23T16:44:52.18 0.1 undecidable manual P 327 9.6792 136 0.17 100
IV.FOSV.EHZ. 2023-07-23T16:44:52.30 0.6 negative manual P 89 10.0788 135 0.23 49
IV.ATCC.EHZ. 2023-07-23T16:44:52.56 1.0 undecidable manual P 179 12.0768 130 0.19 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.HNE. ML:1.1 0.00017475000000000002 0.7 AML other m 2023-07-23T16:44:54.35
IV.FOSV.EHE. ML:0.8 0.00009045 0.44 AML other m 2023-07-23T16:44:54.36
IV.ATFO.HHN. ML:1.2 0.0002075 0.24 AML other m 2023-07-23T16:44:54.54
IV.FOSV.EHN. ML:1.0 0.000127 0.52 AML other m 2023-07-23T16:44:54.60
IV.ATFO.HHE. ML:1.1 0.000182 0.46 AML other m 2023-07-23T16:44:54.45
IV.FOSV.HNN. ML:1.1 0.00017449999999999999 1.04 AML other m 2023-07-23T16:44:54.33
IV.ATCC.EHN. ML:1.5 0.00033999999999999997 0.26 AML other m 2023-07-23T16:44:55.28
IV.ATCC.EHE. ML:1.4 0.0003045 0.6 AML other m 2023-07-23T16:44:55.50
IV.ATPI.EHN. ML:0.5 0.0000212 0.66 AML other m 2023-07-23T16:44:57.39
IV.FRON.EHN. ML:1.1 0.00006555 1.02 AML other m 2023-07-23T16:44:59.72
IV.FRON.EHE. ML:0.7 0.00002795 0.42 AML other m 2023-07-23T16:44:59.36
IV.ASSB.HHN. ML:0.9 0.0000459 0.22 AML other m 2023-07-23T16:44:59.26
IV.PIEI.HHN. ML:0.8 0.0000289 0.42 AML other m 2023-07-23T16:44:59.47
IV.ASSB.HHE. ML:0.9 0.00004355000000000001 0.98 AML other m 2023-07-23T16:44:59.06
IV.PIEI.HHE. ML:0.9 0.000037500000000000003 1.66 AML other m 2023-07-23T16:45:00.95
IV.MML1.EHE. ML:0.7 0.00002075 0.52 AML other m 2023-07-23T16:45:01.41
IV.ATPI.EHE. ML:0.5 0.0000185 0.52 AML other m 2023-07-23T16:45:03.42
IV.MML1.EHN. ML:0.7 0.000021000000000000002 0.66 AML other m 2023-07-23T16:45:03.86
IV.FDMO.HHE. ML:0.7 0.00001328 0.9 AML other m 2023-07-23T16:45:04.92
IV.FDMO.HHN. ML:0.7 0.0000129 0.64 AML other m 2023-07-23T16:45:07.04
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