Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 31-03-2024 and time 15:27:17 (UTC) in region 6 km SE Pieve Santo Stefano (AR)

A magnitude ML 0.6 earthquake occured in region: 6 km SE Pieve Santo Stefano (AR), on

  • 31-03-2024 15:27:17 (UTC)
  • 31-03-2024 17:27:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6300, 12.0930 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
Pieve Santo Stefano AR 6 3183 3183
Sansepolcro AR 8 15884 19067
Caprese Michelangelo AR 9 1426 20493
Anghiari AR 10 5638 26131
San Giustino PG 11 11297 37428
Badia Tedalda AR 12 1087 38515
Citerna PG 15 3531 42046
Chiusi della Verna AR 15 2023 44069
Monterchi AR 16 1757 45826
Borgo Pace PU 17 606 46432
Chitignano AR 17 899 47331
Sestino AR 19 1355 48686
Subbiano AR 19 6331 55017
Casteldelci RN 19 407 55424
Verghereto FC 20 1907 57331
Mercatello sul Metauro PU 20 1378 58709

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Arezzo (99543 inhabitants)
58 Km S of Cesena (96758 inhabitants)
61 Km SW of Rimini (147750 inhabitants)
63 Km NW of Perugia (166134 inhabitants)
66 Km S of Forlì (117913 inhabitants)
69 Km E of Firenze (382808 inhabitants)
70 Km E of Siena (53903 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
75 Km E of Scandicci (50609 inhabitants)
75 Km S of Faenza (58541 inhabitants)
78 Km W of Fano (60888 inhabitants)
85 Km E of Prato (191150 inhabitants)
86 Km SE of Imola (69797 inhabitants)
88 Km S of Ravenna (159116 inhabitants)
90 Km NW of Foligno (57155 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 0.6 2024-03-31
15:27:17		 43.6297 12.0927 10 2024-03-31
15:34:43		 Sala Sismica INGV-Roma 126344431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-31 15:27:17 ± 0.13
Latitude 43.6297 ± 0.0072
Longitude 12.0927 ± 0.0050
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126344431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 802
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 10
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) 0.31386
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 126344431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-31 15:34:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2024-03-31T15:27:35.31 3.0 undecidable manual P 0.36 0
IV.CDCA.HNZ. 2024-03-31T15:27:33.39 3.0 undecidable manual P 0
IV.FRON.EHZ. 2024-03-31T15:27:32.65 3.0 undecidable manual S -2.13 0
IV.SNTG.HHZ. 2024-03-31T15:27:30.94 3.0 undecidable manual P -0.24 0
IV.SSFR.HHZ. 2024-03-31T15:27:28.96 3.0 undecidable manual Pg 0.91 0
IV.ATPI.EHZ. 2024-03-31T15:27:28.90 0.6 undecidable manual S 128 31.8459 50 -0.22 47
IV.CAFI.HNE. 2024-03-31T15:27:25.08 0.6 undecidable manual P 197 34.8429 50 0.28 46
IV.BADI.EHZ. 2024-03-31T15:27:25.02 0.3 undecidable manual S 137 18.0708 118 0.12 73
IV.ATPI.EHZ. 2024-03-31T15:27:24.27 1.0 undecidable manual P 128 31.8459 50 -0.07 24
IV.CRE.HHZ. 2024-03-31T15:27:22.90 0.3 undecidable manual S 264 11.3775 130 -0.06 75
IV.PARC.HHZ. 2024-03-31T15:27:22.95 0.3 undecidable manual S 80 11.877 129 -0.15 73
IV.ATMC.EHE. 2024-03-31T15:27:22.63 0.3 undecidable manual P 158 21.867 114 0.05 74
IV.BADI.EHZ. 2024-03-31T15:27:21.72 0.1 undecidable manual P 137 18.0708 118 -0.18 96
IV.PARC.HHZ. 2024-03-31T15:27:21.13 0.1 undecidable manual P 80 11.877 129 0.26 96
IV.CRE.HHZ. 2024-03-31T15:27:20.73 0.1 positive manual P 264 11.3775 130 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHN. ML:1.2 0.0001805 0.36 AML other m 2024-03-31T15:27:23.19
IV.PARC.HHE. ML:0.9 0.00008695 0.16 AML other m 2024-03-31T15:27:23.22
IV.CRE.HHE. ML:0.1 0.00001747195 0.96 AML other m 2024-03-31T15:27:23.56
IV.CRE.HHN. ML:0.4 0.000030907835000000005 0.12 AML other m 2024-03-31T15:27:23.21
IV.BADI.EHE. ML:0.6 0.00002967807 0.36 AML other m 2024-03-31T15:27:25.40
IV.BADI.EHN. ML:0.4 0.000018022805 0.08 AML other m 2024-03-31T15:27:25.36
IV.ATPI.EHE. ML:0.6 0.0000200040296 0.26 AML other m 2024-03-31T15:27:29.43
IV.ATPI.EHN. ML:0.5 0.00001539222155 0.24 AML other m 2024-03-31T15:27:29.27
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