Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 04-06-2023 and time 07:53:30 (UTC) in region 6 km E Città di Castello (PG)

A magnitude ML 1.0 earthquake occured in region: 6 km E Città di Castello (PG), on

  • 04-06-2023 07:53:30 (UTC)
  • 04-06-2023 09:53:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4730, 12.3110 at 8 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Città di Castello PG 6 39913 39913
Pietralunga PG 11 2111 42024
Montone PG 12 1680 43704
Monte Santa Maria Tiberina PG 13 1183 44887
Apecchio PU 13 1882 46769
San Giustino PG 14 11297 58066
Citerna PG 16 3531 61597
Monterchi AR 16 1757 63354
Sansepolcro AR 17 15884 79238
Umbertide PG 19 16681 95919
Mercatello sul Metauro PU 20 1378 97297

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Arezzo (99543 inhabitants)
41 Km N of Perugia (166134 inhabitants)
66 Km NW of Foligno (57155 inhabitants)
69 Km SW of Rimini (147750 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
70 Km SW of Fano (60888 inhabitants)
74 Km S of Cesena (96758 inhabitants)
81 Km E of Siena (53903 inhabitants)
86 Km S of Forlì (117913 inhabitants)
91 Km E of Firenze (382808 inhabitants)
96 Km E of Scandicci (50609 inhabitants)
97 Km SE of Faenza (58541 inhabitants)
99 Km W of Ancona (100861 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 1.0 2023-06-04
07:53:30		 43.4733 12.3112 8 2023-06-04
08:02:04		 Sala Sismica INGV-Roma 118081681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 07:53:30 ± 0.1
Latitude 43.4733 ± 0.0036
Longitude 12.3112 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118081681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 51
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 141
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28868
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 118081681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-04 08:02:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.HNZ. 2023-06-04T07:53:45.44 3.0 positive manual P 0.49 0
IV.CAFI.HHZ. 2023-06-04T07:53:37.30 0.3 undecidable manual P 240 32.0457 105 -0.25 68
IV.ATMI.HHZ. 2023-06-04T07:53:37.27 0.3 undecidable manual S 193 15.873 118 0.14 72
IV.MURB.HHZ. 2023-06-04T07:53:36.70 0.3 undecidable manual P 144 29.0487 106 -0.26 68
IV.ATVO.HHZ. 2023-06-04T07:53:36.10 0.1 undecidable manual S 143 12.6762 123 -0.09 97
IV.NARO.HHZ. 2023-06-04T07:53:36.06 0.1 undecidable manual P 55 26.4513 107 -0.42 88
IV.APEC.HHZ. 2023-06-04T07:53:36.53 0.1 undecidable manual S 43 12.876 123 0.29 93
IV.TB02.DHE.01 2023-06-04T07:53:36.75 0.3 undecidable manual S 145 13.875 121 0.21 71
IV.ATMC.EHE. 2023-06-04T07:53:35.51 0.1 undecidable manual S 253 9.9789 130 0.08 98
IV.ATBU.EHE. 2023-06-04T07:53:35.10 0.3 undecidable manual P 89 19.0698 114 0.01 73
IV.ATPC.HHE. 2023-06-04T07:53:35.98 0.3 undecidable manual S 86 11.7771 125 0.06 73
IV.ATVA.EHN. 2023-06-04T07:53:35.32 0.6 undecidable manual P 186 21.7671 111 -0.26 46
IV.ATMI.HHZ. 2023-06-04T07:53:34.61 0.1 undecidable manual P 193 15.873 118 0.11 96
IV.TB02.DHE.01 2023-06-04T07:53:34.32 0.3 undecidable manual P 145 13.875 121 0.16 72
IV.TB01.DHE.01 2023-06-04T07:53:34.21 0.3 undecidable manual P 135 14.2746 120 -0.02 74
IV.TSM2.DHZ.01 2023-06-04T07:53:34.59 0.6 undecidable manual P 121 16.7721 116 -0.08 48
IV.ATVO.HHZ. 2023-06-04T07:53:34.10 0.1 undecidable manual P 143 12.6762 123 0.14 96
IV.ATPI.HNE. 2023-06-04T07:53:34.78 0.3 undecidable manual S 109 7.7811 137 -0.09 73
IV.APEC.HHZ. 2023-06-04T07:53:34.07 0.1 undecidable manual P 43 12.876 123 0.08 97
IV.ATLO.EHN. 2023-06-04T07:53:34.98 0.3 undecidable manual P 156 19.1697 113 -0.13 71
IV.TSM6.DHZ.01 2023-06-04T07:53:33.49 0.1 undecidable manual S 94 1.6983 168 -0.38 93
IV.ATPI.HNE. 2023-06-04T07:53:33.27 0.3 undecidable manual P 109 7.7811 137 0.07 74
IV.ATMC.EHE. 2023-06-04T07:53:33.71 0.3 undecidable manual P 253 9.9789 130 0.19 72
IV.TB03.DH2.01 2023-06-04T07:53:33.88 0.3 undecidable manual P 135 11.2776 126 0.15 72
IV.ATPC.HHE. 2023-06-04T07:53:33.97 0.1 undecidable manual P 86 11.7771 125 0.16 96
IV.TSM6.DHZ.01 2023-06-04T07:53:32.59 0.1 undecidable manual P 94 1.6983 168 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.1 0.0001535 0.66 AML other m 2023-06-04T07:53:36.45
IV.APEC.HHE. ML:1.2 0.000168 0.2 AML other m 2023-06-04T07:53:36.82
IV.APEC.HHN. ML:1.0 0.00011108445 0.3392 AML other m 2023-06-04T07:53:37.03
IV.ATVO.HHE. ML:1.2 0.00016549999999999998 0.22 AML other m 2023-06-04T07:53:37.31
IV.ATMI.HHN. ML:1.1 0.000112 0.7 AML other m 2023-06-04T07:53:37.85
IV.ATMI.HHE. ML:1.3 0.000179 1.76 AML other m 2023-06-04T07:53:38.94
IV.NARO.HHE. ML:0.6 0.0000248 0.06 AML other m 2023-06-04T07:53:40.47
IV.NARO.HHN. ML:0.6 0.000026450000000000003 1.18 AML other m 2023-06-04T07:53:41.01
IV.MURB.HHN. ML:1.2 0.0000731 0.54 AML other m 2023-06-04T07:53:42.13
IV.CAFI.HHN. ML:0.6 0.00001815 0.44 AML other m 2023-06-04T07:53:42.51
IV.CAFI.HHE. ML:0.6 0.00002095 0.12 AML other m 2023-06-04T07:53:42.63
IV.MURB.HHE. ML:1.0 0.00005275 0.66 AML other m 2023-06-04T07:53:43.69
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