Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 30-03-2024 and time 12:23:25 (UTC) in region 4 km E Pieve Santo Stefano (AR)

A magnitude ML 1.3 earthquake occured in region: 4 km E Pieve Santo Stefano (AR), on

  • 30-03-2024 12:23:25 (UTC)
  • 30-03-2024 13:23:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6800, 12.0960 at 14 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
Pieve Santo Stefano AR 4 3183 3183
Badia Tedalda AR 8 1087 4270
Caprese Michelangelo AR 10 1426 5696
Sansepolcro AR 13 15884 21580
Chiusi della Verna AR 13 2023 23603
Casteldelci RN 14 407 24010
Verghereto FC 15 1907 25917
Anghiari AR 16 5638 31555
San Giustino PG 16 11297 42852
Borgo Pace PU 16 606 43458
Sestino AR 17 1355 44813
Chitignano AR 17 899 45712
Mercatello sul Metauro PU 20 1378 47090

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Arezzo (99543 inhabitants)
52 Km S of Cesena (96758 inhabitants)
57 Km SW of Rimini (147750 inhabitants)
61 Km S of Forlì (117913 inhabitants)
68 Km NW of Perugia (166134 inhabitants)
68 Km E of Firenze (382808 inhabitants)
70 Km S of Faenza (58541 inhabitants)
71 Km W of Pesaro (94582 inhabitants)
73 Km NE of Siena (53903 inhabitants)
74 Km E of Scandicci (50609 inhabitants)
77 Km W of Fano (60888 inhabitants)
81 Km SE of Imola (69797 inhabitants)
83 Km S of Ravenna (159116 inhabitants)
83 Km E of Prato (191150 inhabitants)
94 Km NW of Foligno (57155 inhabitants)
99 Km E of Pistoia (90315 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 2024-03-30
12:23:25		 43.6795 12.0957 14 2024-03-30
12:30:37		 Sala Sismica INGV-Roma 126310081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-30 12:23:25 ± 0.38
Latitude 43.6795 ± 0.0180
Longitude 12.0957 ± 0.0112
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126310081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1768
Semi-minor axis of confidence ellipse (meter) 1018
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 343
Circular confidence region, given by single value of horizontal uncertainty (meter) 1770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.55308
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 126310081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-30 12:30:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2024-03-30T12:23:45.15 0.6 undecidable manual S 116 61.3941 94 0.88 36
IV.CAFI.HHZ. 2024-03-30T12:23:39.00 0.1 undecidable manual S 195 40.2264 97 0.38 90
IV.NARO.HHZ. 2024-03-30T12:23:38.54 0.1 undecidable manual S 101 39.627 97 0.06 96
IV.PIEI.HHZ. 2024-03-30T12:23:38.13 0.1 undecidable manual S 114 38.7279 97 -0.1 96
IV.SSFR.HHZ. 2024-03-30T12:23:35.77 0.1 undecidable manual P 116 61.3941 94 -0.51 84
IV.BADI.EHZ. 2024-03-30T12:23:33.44 0.1 undecidable manual S 148 22.2555 107 -0.48 91
IV.CAFI.HHZ. 2024-03-30T12:23:33.42 1.0 positive manual P 195 40.2264 97 0.39 22
IV.PIEI.HHZ. 2024-03-30T12:23:32.69 0.6 negative manual P 114 38.7279 97 -0.11 48
IV.NARO.HHZ. 2024-03-30T12:23:32.99 1.0 undecidable manual P 101 39.627 97 0.05 24
IV.CRE.HHZ. 2024-03-30T12:23:31.44 0.1 undecidable manual S 240 13.3755 125 -0.33 95
IV.PARC.HHZ. 2024-03-30T12:23:31.37 0.1 undecidable manual S 107 11.9769 130 -0.1 100
IV.BADI.EHZ. 2024-03-30T12:23:30.17 0.1 negative manual P 148 22.2555 107 -0.14 98
IV.CRE.HHZ. 2024-03-30T12:23:29.32 0.3 positive manual P 240 13.3755 125 0.25 73
IV.PARC.HHZ. 2024-03-30T12:23:29.60 0.1 undecidable manual P 107 11.9769 130 0.7 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHN. ML:1.9 0.0007315 0.26 AML other m 2024-03-30T12:23:31.42
IV.PARC.HHE. ML:1.4 0.0002415 0.18 AML other m 2024-03-30T12:23:31.71
IV.BADI.EHE. ML:1.1 0.00008105 0.96 AML other m 2024-03-30T12:23:34.28
IV.BADI.EHN. ML:1.1 0.00006955 1 AML other m 2024-03-30T12:23:35.75
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