Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 04-03-2024 and time 12:10:23 (Italy) in region 8 km E San Giustino (PG)

A magnitude ML 1.3 earthquake occured in region: 8 km E San Giustino (PG), on

  • 04-03-2024 11:10:23 (UTC)
  • 04-03-2024 12:10:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5330, 12.2800 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.

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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
San Giustino PG 9 11297 11297
Città di Castello PG 9 39913 51210
Apecchio PU 12 1882 53092
Sansepolcro AR 12 15884 68976
Mercatello sul Metauro PU 14 1378 70354
Citerna PG 14 3531 73885
Monte Santa Maria Tiberina PG 14 1183 75068
Borgo Pace PU 14 606 75674
Monterchi AR 14 1757 77431
Pietralunga PG 16 2111 79542
Anghiari AR 18 5638 85180
Sant'Angelo in Vado PU 18 4133 89313
Montone PG 19 1680 90993
Sestino AR 20 1355 92348
Piobbico PU 20 2029 94377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Arezzo (99543 inhabitants)
48 Km N of Perugia (166134 inhabitants)
63 Km SW of Rimini (147750 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
67 Km S of Cesena (96758 inhabitants)
69 Km SW of Fano (60888 inhabitants)
73 Km NW of Foligno (57155 inhabitants)
79 Km S of Forlì (117913 inhabitants)
80 Km E of Siena (53903 inhabitants)
87 Km E of Firenze (382808 inhabitants)
90 Km SE of Faenza (58541 inhabitants)
92 Km E of Scandicci (50609 inhabitants)
99 Km S of Ravenna (159116 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 1.3 2024-03-04
11:10:23		 43.533 12.2802 10 2024-03-04
11:17:21		 Sala Sismica INGV-Roma 125691511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-04 11:10:23 ± 0.07
Latitude 43.5330 ± 0.0036
Longitude 12.2802 ± 0.0050
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 125691511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 392
Semi-minor axis of confidence ellipse (meter) 345
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
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) 85
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.10432
Epicentral distance of station farthest from the epicenter (degree) 0.32286
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 125691511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-04 11:17:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2024-03-04T11:10:36.16 0.6 undecidable manual S 147 35.8419 50 0.55 43
IV.ATFO.HHZ. 2024-03-04T11:10:33.96 0.3 undecidable manual S 128 29.8479 50 -0.05 72
IV.CRE.HHZ. 2024-03-04T11:10:33.50 0.6 undecidable manual S 290 28.0497 50 -0.03 49
IV.ATVA.EHZ. 2024-03-04T11:10:32.62 0.3 undecidable manual S 179 28.2495 50 -0.95 55
IV.NARO.HHZ. 2024-03-04T11:10:32.48 0.6 undecidable manual S 70 25.6521 50 -0.4 45
IV.ATVO.HHZ. 2024-03-04T11:10:31.22 0.6 undecidable manual S 149 19.5693 118 0.11 48
IV.PIEI.HHZ. 2024-03-04T11:10:31.10 0.6 undecidable manual S 89 20.4684 117 -0.28 47
IV.ATMI.HHZ. 2024-03-04T11:10:31.87 0.6 undecidable manual S 183 22.0668 115 -0.01 49
IV.TB01.DHZ.01 2024-03-04T11:10:31.48 0.3 undecidable manual S 143 20.9679 116 -0.05 74
IV.MURB.HHZ. 2024-03-04T11:10:30.84 0.6 positive manual P 147 35.8419 50 0.38 44
IV.CAFI.HHZ. 2024-03-04T11:10:30.01 0.3 positive manual P 228 33.9438 50 -0.15 70
IV.ATVA.EHZ. 2024-03-04T11:10:30.00 0.3 undecidable manual P 179 28.2495 50 0.72 60
IV.TB03.DHZ.01 2024-03-04T11:10:30.84 0.3 undecidable manual S 144 17.9709 120 0.22 71
IV.ATPI.EHZ. 2024-03-04T11:10:29.07 0.1 undecidable manual S 133 13.3755 128 -0.23 96
IV.CRE.HHZ. 2024-03-04T11:10:29.31 0.1 undecidable manual P 290 28.0497 50 0.05 97
IV.ATFO.HHZ. 2024-03-04T11:10:29.60 0.1 undecidable manual P 128 29.8479 50 0.07 96
IV.PARC.HHZ. 2024-03-04T11:10:29.26 0.3 undecidable manual S 345 13.2756 128 0.01 75
IV.TB01.DHZ.01 2024-03-04T11:10:28.30 0.3 undecidable manual P 143 20.9679 116 0.2 71
IV.ATMC.EHZ. 2024-03-04T11:10:28.58 0.1 undecidable manual S 216 11.877 131 -0.3 94
IV.NARO.HHZ. 2024-03-04T11:10:28.68 0.3 undecidable manual P 70 25.6521 50 -0.2 71
IV.APEC.HHZ. 2024-03-04T11:10:28.75 0.1 undecidable manual S 76 11.5773 132 -0.06 99
IV.PIEI.HHZ. 2024-03-04T11:10:28.02 0.1 positive manual P 89 20.4684 117 0 99
IV.ATMI.HHZ. 2024-03-04T11:10:28.39 0.3 positive manual P 183 22.0668 115 0.09 73
IV.TB03.DHZ.01 2024-03-04T11:10:27.76 0.3 undecidable manual P 144 17.9709 120 0.19 72
IV.ATVO.HHZ. 2024-03-04T11:10:27.96 1.0 positive manual P 149 19.5693 118 0.1 24
IV.ATPI.EHZ. 2024-03-04T11:10:26.80 0.1 undecidable manual P 133 13.3755 128 -0.01 100
IV.ATMC.EHZ. 2024-03-04T11:10:26.61 0.1 undecidable manual P 216 11.877 131 0.04 100
IV.APEC.HHZ. 2024-03-04T11:10:26.63 0.1 positive manual P 76 11.5773 132 0.1 99
IV.PARC.HHZ. 2024-03-04T11:10:26.87 0.1 undecidable manual P 345 13.2756 128 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHN. ML:1.9 0.0009139999999999999 0.2 AML other m 2024-03-04T11:10:28.96
IV.APEC.HHE. ML:1.3 0.000249 1.16 AML other m 2024-03-04T11:10:29.04
IV.ATPI.EHE. ML:1.0 0.0001106 0.46 AML other m 2024-03-04T11:10:29.41
IV.PARC.HHN. ML:1.3 0.000217 0.34 AML other m 2024-03-04T11:10:29.96
IV.ATPI.EHN. ML:1.0 0.00010944999999999999 1.16 AML other m 2024-03-04T11:10:30.07
IV.PARC.HHE. ML:1.3 0.0002265 0.36 AML other m 2024-03-04T11:10:31.52
IV.ATVO.HHE. ML:1.6 0.0002965 0.14 AML other m 2024-03-04T11:10:31.58
IV.PIEI.HHE. ML:1.4 0.00016199999999999998 0.16 AML other m 2024-03-04T11:10:32.05
IV.ATVO.HHN. ML:1.4 0.0001725 0.42 AML other m 2024-03-04T11:10:32.62
IV.PIEI.HHN. ML:1.2 0.00010499999999999999 0.86 AML other m 2024-03-04T11:10:32.45
IV.NARO.HHN. ML:1.3 0.000124 0.58 AML other m 2024-03-04T11:10:32.67
IV.NARO.HHE. ML:1.4 0.00014500000000000003 0.58 AML other m 2024-03-04T11:10:33.93
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