Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 13-03-2023 and time 05:25:45 (UTC) in region 5 km NE Città di Castello (PG)

A magnitude ML 0.6 earthquake occured in region: 5 km NE Città di Castello (PG), on

  • 13-03-2023 05:25:45 (UTC)
  • 13-03-2023 06:25:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4910, 12.2800 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5 39913 39913
San Giustino PG 11 11297 51210
Monte Santa Maria Tiberina PG 11 1183 52393
Citerna PG 13 3531 55924
Monterchi AR 14 1757 57681
Apecchio PU 14 1882 59563
Pietralunga PG 14 2111 61674
Sansepolcro AR 14 15884 77558
Montone PG 15 1680 79238
Mercatello sul Metauro PU 18 1378 80616
Borgo Pace PU 19 606 81222
Anghiari AR 19 5638 86860

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Arezzo (99543 inhabitants)
44 Km N of Perugia (166134 inhabitants)
68 Km SW of Rimini (147750 inhabitants)
69 Km NW of Foligno (57155 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
71 Km SW of Fano (60888 inhabitants)
72 Km S of Cesena (96758 inhabitants)
79 Km E of Siena (53903 inhabitants)
84 Km S of Forlì (117913 inhabitants)
88 Km E of Firenze (382808 inhabitants)
93 Km E of Scandicci (50609 inhabitants)
94 Km SE of Faenza (58541 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 0.6 2023-03-13
05:25:45		 43.4912 12.2803 8 2024-03-01
17:18:00		 Bollettino Sismico Italiano INGV 115796351
Reviewed
Rev100 		ML 0.6 2023-03-13
05:25:45		 43.495 12.2837 8 2023-03-13
05:40:13		 Sala Sismica INGV-Roma 115307691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-13 05:25:45 ± 0.11
Latitude 43.4912 ± 0.0018
Longitude 12.2803 ± 0.0037
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 115796351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 57
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 309
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
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) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.27969
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 115307691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-13 05:40:13

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 115796351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-27 14:31:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2023-03-13T05:25:56.40 0.3 undecidable manual S 235 31.0467 105 0.01 74
IV.PIEI.HHZ. 2023-03-13T05:25:53.13 0.3 undecidable manual S 76 21.0678 112 0.03 75
IV.ATLO.EHE. 2023-03-13T05:25:53.32 0.3 undecidable manual S 152 22.0668 111 -0.1 73
IV.ATVA.EHE. 2023-03-13T05:25:53.68 0.3 undecidable manual S 179 23.5542 110 -0.24 71
IV.ATMI.HHZ. 2023-03-13T05:25:52.00 0.3 undecidable manual S 183 17.4714 116 0.05 75
IV.PARC.HHZ. 2023-03-13T05:25:52.19 0.3 undecidable manual S 349 17.7711 115 0.13 74
IV.TB02.DHZ.01 2023-03-13T05:25:52.12 0.3 undecidable manual S 142 16.9719 116 0.32 71
IV.CAFI.HHZ. 2023-03-13T05:25:51.61 0.3 undecidable manual P 235 31.0467 105 -0.07 73
IV.TB03.DH1.25 2023-03-13T05:25:51.21 0.3 undecidable manual S 134 14.4744 120 0.18 73
IV.ATVO.HHZ. 2023-03-13T05:25:51.73 0.3 undecidable manual S 140 15.7731 118 0.28 71
IV.APEC.HNN. 2023-03-13T05:25:50.61 0.3 undecidable manual S 56 13.4754 122 -0.14 74
IV.ATVA.EHE. 2023-03-13T05:25:50.26 0.3 undecidable manual P 179 23.5542 110 0.01 75
IV.ATPC.HHE. 2023-03-13T05:25:50.86 0.3 undecidable manual S 95 14.2746 121 -0.12 74
IV.ATLO.EHE. 2023-03-13T05:25:50.10 0.6 undecidable manual P 152 22.0668 111 0.14 49
IV.PARC.HHZ. 2023-03-13T05:25:49.36 0.3 undecidable manual P 349 17.7711 115 0.19 73
IV.TB02.DHZ.01 2023-03-13T05:25:49.06 0.3 undecidable manual P 142 16.9719 116 0.04 75
IV.TSM2.DHN.01 2023-03-13T05:25:49.26 0.6 undecidable manual P 122 19.869 113 -0.3 47
IV.ATMI.HHZ. 2023-03-13T05:25:49.32 0.6 undecidable manual P 183 17.4714 116 0.21 48
IV.ATMC.EHE. 2023-03-13T05:25:49.55 0.3 undecidable manual S 235 8.5803 134 0.14 75
IV.PIEI.HHZ. 2023-03-13T05:25:49.99 0.3 undecidable manual P 76 21.0678 112 0.21 72
IV.TB01.DHZ.01 2023-03-13T05:25:49.07 0.6 undecidable manual P 134 17.4714 116 -0.04 50
IV.ATPI.EHE. 2023-03-13T05:25:49.75 0.3 undecidable manual S 115 10.7781 128 -0.23 73
IV.ATVO.HHZ. 2023-03-13T05:25:48.86 0.3 negative manual P 140 15.7731 118 0.04 75
IV.ATPC.HHE. 2023-03-13T05:25:48.47 0.3 undecidable manual P 95 14.2746 121 -0.08 75
IV.APEC.HNN. 2023-03-13T05:25:48.34 0.3 undecidable manual P 56 13.4754 122 -0.08 75
IV.TB03.DH1.25 2023-03-13T05:25:48.53 0.3 undecidable manual P 134 14.4744 120 -0.05 75
IV.ATPI.EHE. 2023-03-13T05:25:47.88 0.1 undecidable manual P 115 10.7781 128 -0.09 100
IV.ATMC.EHE. 2023-03-13T05:25:46.97 0.6 undecidable manual P 235 8.5803 134 -0.67 43
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.7 0.00005110000000000001 0.76 AML other m 2023-03-13T05:25:52.05
IV.ATVO.HHE. ML:0.6 0.000035722710000000003 0.1408 AML other m 2023-03-13T05:25:52.26
IV.PARC.HHN. ML:0.6 0.000036576235 0.1184 AML other m 2023-03-13T05:25:52.53
IV.PARC.HHE. ML:0.7 0.000046126719999999995 0.1408 AML other m 2023-03-13T05:25:52.53
IV.PIEI.HHE. ML:0.4 0.000022029813 0.1408 AML other m 2023-03-13T05:25:53.23
IV.PIEI.HHN. ML:0.3 0.000016057290000000002 0.16 AML other m 2023-03-13T05:25:53.33
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