Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-03-2024 and time 11:56:28 (Italy) in region 5 km SE Pieve Santo Stefano (AR)

A magnitude ML 1.6 earthquake occured in region: 5 km SE Pieve Santo Stefano (AR), on

  • 30-03-2024 10:56:28 (UTC)
  • 30-03-2024 11:56:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6440, 12.1000 at 11 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 5 3183 3183
Sansepolcro AR 9 15884 19067
Caprese Michelangelo AR 9 1426 20493
Badia Tedalda AR 10 1087 21580
Anghiari AR 12 5638 27218
San Giustino PG 12 11297 38515
Chiusi della Verna AR 15 2023 40538
Borgo Pace PU 16 606 41144
Citerna PG 16 3531 44675
Casteldelci RN 17 407 45082
Monterchi AR 18 1757 46839
Sestino AR 18 1355 48194
Chitignano AR 18 899 49093
Verghereto FC 19 1907 51000
Mercatello sul Metauro PU 19 1378 52378
Subbiano AR 20 6331 58709

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Arezzo (99543 inhabitants)
56 Km S of Cesena (96758 inhabitants)
60 Km SW of Rimini (147750 inhabitants)
64 Km NW of Perugia (166134 inhabitants)
65 Km S of Forlì (117913 inhabitants)
69 Km E of Firenze (382808 inhabitants)
72 Km NE of Siena (53903 inhabitants)
72 Km W of Pesaro (94582 inhabitants)
74 Km S of Faenza (58541 inhabitants)
75 Km E of Scandicci (50609 inhabitants)
77 Km W of Fano (60888 inhabitants)
85 Km E of Prato (191150 inhabitants)
85 Km SE of Imola (69797 inhabitants)
87 Km S of Ravenna (159116 inhabitants)
91 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 1.6 2024-03-30
10:56:28		 43.6437 12.0995 11 2024-03-30
11:05:16		 Sala Sismica INGV-Roma 126307251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-30 10:56:28 ± 0.13
Latitude 43.6437 ± 0.0099
Longitude 12.0995 ± 0.0075
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126307251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1059
Semi-minor axis of confidence ellipse (meter) 551
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47754
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.5
Num. used stations 12
Type of magnitude ML
Reference to an origin 126307251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-30 11:05:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOCO.HHZ. 2024-03-30T10:58:08.48 3.0 undecidable manual Sg 9 0
IV.SPS2.HHZ. 2024-03-30T10:58:04.21 3.0 positive manual Pg 14.52 0
IT.VNF1.HNZ. 2024-03-30T10:57:45.24 3.0 undecidable manual Sg 0.52 0
IV.BAG8.EHZ. 2024-03-30T10:57:41.60 3.0 undecidable manual Sg 0.53 0
IT.GLNS.HNZ. 2024-03-30T10:57:19.08 3.0 undecidable manual Pg 6.37 0
IV.CAMP.HHZ. 2024-03-30T10:57:16.07 3.0 undecidable manual Sg -0.92 0
IV.GUMA.HHZ. 2024-03-30T10:57:02.46 3.0 undecidable manual S -4.67 0
IV.LNSS.HHZ. 2024-03-30T10:56:52.74 3.0 negative manual P -0.09 0
IV.MPAG.EHZ. 2024-03-30T10:56:45.12 0.1 undecidable manual S 92 53.0025 50 0.2 89
IV.NARO.HHZ. 2024-03-30T10:56:41.08 0.1 undecidable manual S 95 38.8278 50 -0.05 95
IV.PIEI.HHZ. 2024-03-30T10:56:40.45 0.1 undecidable manual S 109 36.9297 50 -0.19 92
IV.ATPI.EHZ. 2024-03-30T10:56:39.87 0.1 undecidable manual S 131 32.4453 50 0.45 88
IV.MPAG.EHZ. 2024-03-30T10:56:37.60 0.6 negative manual P 92 53.0025 50 -0.27 44
IV.BADI.EHZ. 2024-03-30T10:56:35.70 0.1 undecidable manual S 142 18.87 120 -0.1 97
IV.NARO.HHZ. 2024-03-30T10:56:35.27 0.3 undecidable manual P 95 38.8278 50 -0.41 66
IV.PIEI.HHZ. 2024-03-30T10:56:34.92 1.0 negative manual P 109 36.9297 50 -0.48 22
IV.ATPI.EHZ. 2024-03-30T10:56:34.71 0.6 negative manual P 131 32.4453 50 0.01 48
IV.CRE.HHZ. 2024-03-30T10:56:33.91 0.1 undecidable manual S 257 12.1767 132 0.01 100
IV.PARC.HHZ. 2024-03-30T10:56:33.56 0.1 undecidable manual S 87 11.1777 134 -0.09 99
IV.BADI.EHZ. 2024-03-30T10:56:32.45 0.1 negative manual P 142 18.87 120 -0.16 96
IV.CRE.HHZ. 2024-03-30T10:56:31.53 0.1 positive manual P 257 12.1767 132 0.02 100
IV.PARC.HHZ. 2024-03-30T10:56:31.87 0.1 positive manual P 87 11.1777 134 0.51 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHN. ML:1.8 0.000825 0.22 AML other m 2024-03-30T10:56:33.83
IV.PARC.HHE. ML:1.7 0.000569 0.14 AML other m 2024-03-30T10:56:33.95
IV.CRE.HHN. ML:1.2 0.0001795 0.98 AML other m 2024-03-30T10:56:34.11
IV.CRE.HHE. ML:1.1 0.0001445 0.84 AML other m 2024-03-30T10:56:34.64
IV.BADI.EHN. ML:1.3 0.0001485 0.26 AML other m 2024-03-30T10:56:35.96
IV.BADI.EHE. ML:1.4 0.00019250000000000002 0.4 AML other m 2024-03-30T10:56:37.65
IV.NARO.HHN. ML:1.2 0.00005925 1.18 AML other m 2024-03-30T10:56:41.24
IV.NARO.HHE. ML:1.2 0.00005125 1.2 AML other m 2024-03-30T10:56:42.65
IV.LNSS.HHN. ML:2.7 0.0003015 0.48 AML other m 2024-03-30T10:56:55.16
IV.LNSS.HHE. ML:2.6 0.0002375 0.08 AML other m 2024-03-30T10:56:55.18
IV.MPAG.HNE. ML:3.0 0.00248 0.4 AML other m 2024-03-30T10:56:57.96
IV.MPAG.HNN. ML:3.0 0.00262 0.42 AML other m 2024-03-30T10:56:57.97
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