Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 30-03-2024 and time 12:37:20 (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 12:37:20 (UTC)
  • 30-03-2024 13:37:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6600, 12.0860 at 16 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
Caprese Michelangelo AR 8 1426 4609
Badia Tedalda AR 10 1087 5696
Sansepolcro AR 11 15884 21580
Chiusi della Verna AR 13 2023 23603
Anghiari AR 13 5638 29241
San Giustino PG 14 11297 40538
Casteldelci RN 16 407 40945
Verghereto FC 16 1907 42852
Chitignano AR 16 899 43751
Borgo Pace PU 17 606 44357
Sestino AR 18 1355 45712
Citerna PG 18 3531 49243
Monterchi AR 19 1757 51000
Subbiano AR 20 6331 57331

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Arezzo (99543 inhabitants)
55 Km S of Cesena (96758 inhabitants)
59 Km SW of Rimini (147750 inhabitants)
63 Km S of Forlì (117913 inhabitants)
66 Km NW of Perugia (166134 inhabitants)
68 Km E of Firenze (382808 inhabitants)
72 Km S of Faenza (58541 inhabitants)
72 Km NE of Siena (53903 inhabitants)
72 Km W of Pesaro (94582 inhabitants)
73 Km E of Scandicci (50609 inhabitants)
78 Km W of Fano (60888 inhabitants)
83 Km SE of Imola (69797 inhabitants)
83 Km E of Prato (191150 inhabitants)
85 Km S of Ravenna (159116 inhabitants)
93 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
12:37:20		 43.6603 12.0855 16 2024-03-30
12:43:44		 Sala Sismica INGV-Roma 126310531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-30 12:37:20 ± 0.12
Latitude 43.6603 ± 0.0054
Longitude 12.0855 ± 0.0075
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126310531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 579
Semi-minor axis of confidence ellipse (meter) 138
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 6
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
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 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.48833
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 126310531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-30 12:43:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2024-03-30T12:37:37.95 0.3 undecidable manual S 93 54.2013 97 0.32 68
IV.NARO.HHZ. 2024-03-30T12:37:33.77 0.6 undecidable manual S 98 40.1265 100 -0.14 48
IV.CAFI.HHZ. 2024-03-30T12:37:33.57 0.3 undecidable manual S 195 37.9287 101 0.22 72
IV.PIEI.HHZ. 2024-03-30T12:37:33.20 0.6 undecidable manual S 111 38.628 101 -0.33 47
IV.PE3.EHZ. 2024-03-30T12:37:32.25 0.3 undecidable manual S 83 33.2445 104 0.15 73
IV.ATPI.EHZ. 2024-03-30T12:37:32.73 0.3 undecidable manual S 132 34.4433 103 0.29 71
IV.SFI.EHZ. 2024-03-30T12:37:32.16 0.6 undecidable manual S 325 33.1446 104 0.06 49
IV.TSM6.DHZ.11 2024-03-30T12:37:31.15 0.6 undecidable manual S 136 28.749 107 0.18 49
IV.MPAG.EHZ. 2024-03-30T12:37:30.47 1.0 negative manual P 93 54.2013 97 0.02 24
IV.ATMC.EHZ. 2024-03-30T12:37:30.08 0.6 undecidable manual S 160 25.1526 110 0.02 51
IV.BADI.EHZ. 2024-03-30T12:37:28.90 0.6 undecidable manual S 143 21.0678 116 -0.13 50
IV.NARO.HHZ. 2024-03-30T12:37:28.11 0.6 positive manual P 98 40.1265 100 -0.19 48
IV.CAFI.HHZ. 2024-03-30T12:37:28.52 0.6 undecidable manual P 195 37.9287 101 0.55 44
IV.ATPI.EHZ. 2024-03-30T12:37:27.46 1.0 negative manual P 132 34.4433 103 0.01 25
IV.PIEI.HHZ. 2024-03-30T12:37:27.87 0.6 negative manual P 111 38.628 101 -0.21 48
IV.SFI.EHZ. 2024-03-30T12:37:27.05 0.1 undecidable manual P 325 33.1446 104 -0.2 97
IV.TSM6.DHZ.11 2024-03-30T12:37:26.39 0.1 undecidable manual P 136 28.749 107 -0.21 97
IV.CPGN.EHZ. 2024-03-30T12:37:26.42 0.1 undecidable manual P 50 24.4533 111 0.46 92
IV.CRE.HHZ. 2024-03-30T12:37:26.90 0.6 undecidable manual S 247 11.6772 136 -0.1 50
IV.PE3.EHZ. 2024-03-30T12:37:26.48 0.3 undecidable manual P 83 33.2445 104 -0.77 61
IV.PARC.HHZ. 2024-03-30T12:37:26.70 0.3 undecidable manual S 96 12.3765 134 -0.43 71
IV.ATMC.EHZ. 2024-03-30T12:37:25.94 0.1 undecidable manual P 160 25.1526 110 -0.13 99
IV.BADI.EHZ. 2024-03-30T12:37:25.36 0.1 negative manual P 143 21.0678 116 -0.12 100
IV.CRE.HHZ. 2024-03-30T12:37:24.45 1.0 undecidable manual P 247 11.6772 136 0.14 25
IV.PARC.HHZ. 2024-03-30T12:37:24.80 0.1 undecidable manual P 96 12.3765 134 0.42 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:1.4 0.00022050000000000002 0.2 AML other m 2024-03-30T12:37:27.08
IV.CRE.HHE. ML:1.2 0.00014749999999999998 0.88 AML other m 2024-03-30T12:37:27.62
IV.BADI.EHN. ML:1.2 0.00010175 0.12 AML other m 2024-03-30T12:37:29.24
IV.BADI.EHE. ML:1.5 0.0001855 0.32 AML other m 2024-03-30T12:37:30.54
IV.PE3.EHE. ML:1.3 0.000083897605 0.36 AML other m 2024-03-30T12:37:32.83
IV.PE3.EHN. ML:1.5 0.00013598863 0.34 AML other m 2024-03-30T12:37:33.10
IV.NARO.HHE. ML:1.1 0.000046104735 2.66 AML other m 2024-03-30T12:37:39.53
IV.NARO.HHN. ML:1.0 0.00002917598 0.06 AML other m 2024-03-30T12:37:34.74
IV.MPAG.EHE. ML:1.5 0.000063308575 2.68 AML other m 2024-03-30T12:37:38.79
IV.MPAG.EHN. ML:1.0 0.000018363425 0.66 AML other m 2024-03-30T12:37:38.03
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