Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-03-2024 and time 12:12:34 (UTC) in region 3 km E Pieve Santo Stefano (AR)

A magnitude ML 1.6 earthquake occured in region: 3 km E Pieve Santo Stefano (AR), on

  • 30-03-2024 12:12:34 (UTC)
  • 30-03-2024 13:12:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6770, 12.0830 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 3 3183 3183
Caprese Michelangelo AR 9 1426 4609
Badia Tedalda AR 9 1087 5696
Chiusi della Verna AR 12 2023 7719
Sansepolcro AR 13 15884 23603
Casteldelci RN 14 407 24010
Verghereto FC 15 1907 25917
Anghiari AR 15 5638 31555
San Giustino PG 16 11297 42852
Chitignano AR 16 899 43751
Borgo Pace PU 17 606 44357
Sestino AR 18 1355 45712
Citerna PG 20 3531 49243

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Arezzo (99543 inhabitants)
53 Km S of Cesena (96758 inhabitants)
58 Km SW of Rimini (147750 inhabitants)
61 Km S of Forlì (117913 inhabitants)
67 Km E of Firenze (382808 inhabitants)
68 Km NW of Perugia (166134 inhabitants)
70 Km S of Faenza (58541 inhabitants)
72 Km W of Pesaro (94582 inhabitants)
72 Km NE of Siena (53903 inhabitants)
73 Km E of Scandicci (50609 inhabitants)
78 Km W of Fano (60888 inhabitants)
81 Km SE of Imola (69797 inhabitants)
82 Km E of Prato (191150 inhabitants)
83 Km S of Ravenna (159116 inhabitants)
95 Km NW of Foligno (57155 inhabitants)
98 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 1.6 2024-03-30
12:12:34		 43.6773 12.083 16 2024-03-30
12:19:02		 Sala Sismica INGV-Roma 126309611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-30 12:12:34 ± 0.21
Latitude 43.6773 ± 0.0099
Longitude 12.0830 ± 0.0099
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126309611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1096
Semi-minor axis of confidence ellipse (meter) 435
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 168
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56118
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 126309611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-30 12:19:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZOVE.EHZ. 2024-03-30T12:13:07.22 3.0 negative manual Pn 2 0
IV.FNVD.HHZ. 2024-03-30T12:13:02.10 3.0 undecidable manual S -2.22 0
TV.SF11.HHZ. 2024-03-30T12:13:00.75 3.0 undecidable manual S -4.7 0
IV.IMOL.HNZ. 2024-03-30T12:12:59.11 3.0 undecidable manual S -0.65 0
IV.SSFR.HHZ. 2024-03-30T12:12:54.12 0.6 undecidable manual S 115 62.2932 96 0.69 41
IV.MPAG.EHZ. 2024-03-30T12:12:52.36 0.6 undecidable manual S 95 54.6009 97 0.98 37
IV.ATVO.HHZ. 2024-03-30T12:12:48.33 0.6 undecidable manual S 141 41.8248 99 0.31 48
IV.CAFI.HHZ. 2024-03-30T12:12:47.69 0.6 undecidable manual S 194 39.7269 100 0.22 48
IV.PIEI.HHZ. 2024-03-30T12:12:47.31 0.6 undecidable manual S 113 39.5271 100 -0.12 49
IV.NARO.HHZ. 2024-03-30T12:12:47.48 0.6 undecidable manual S 100 40.626 100 -0.22 48
IV.ATPI.EHZ. 2024-03-30T12:12:46.69 0.6 undecidable manual S 134 35.9418 102 0.22 49
IV.SSFR.HHZ. 2024-03-30T12:12:45.71 0.6 negative manual P 115 62.2932 96 0.37 45
IV.APEC.HNZ. 2024-03-30T12:12:45.26 0.6 undecidable manual S 116 30.1476 105 0.3 49
IV.MPAG.EHZ. 2024-03-30T12:12:44.34 1.0 negative manual P 95 54.6009 97 0.18 24
IV.ATMC.EHZ. 2024-03-30T12:12:43.81 0.6 undecidable manual S 161 27.0507 108 -0.37 48
IV.BADI.EHZ. 2024-03-30T12:12:42.58 0.6 undecidable manual S 145 22.6551 113 -0.5 47
IV.NARO.HHZ. 2024-03-30T12:12:42.01 0.6 undecidable manual P 100 40.626 100 -0.02 50
IV.CAFI.HHZ. 2024-03-30T12:12:42.30 1.0 positive manual P 194 39.7269 100 0.4 23
IV.ATVO.HHZ. 2024-03-30T12:12:42.34 0.6 undecidable manual P 141 41.8248 99 0.12 49
IV.PIEI.HHZ. 2024-03-30T12:12:41.67 0.6 negative manual P 113 39.5271 100 -0.2 48
IV.ATPI.EHZ. 2024-03-30T12:12:41.19 0.6 undecidable manual P 134 35.9418 102 -0.13 50
IV.PARC.HHZ. 2024-03-30T12:12:40.46 0.6 undecidable manual S 104 12.876 133 -0.4 49
IV.CRE.HHZ. 2024-03-30T12:12:40.81 0.6 undecidable manual S 238 12.3765 134 0.05 51
IV.APEC.HNZ. 2024-03-30T12:12:39.51 0.1 undecidable manual P 116 30.1476 105 -0.94 77
IV.ATMC.EHZ. 2024-03-30T12:12:39.71 0.1 undecidable manual P 161 27.0507 108 -0.29 98
IV.BADI.EHZ. 2024-03-30T12:12:39.15 0.1 negative manual P 145 22.6551 113 -0.22 100
IV.PARC.HHZ. 2024-03-30T12:12:38.44 0.1 undecidable manual P 104 12.876 133 0.36 98
IV.CRE.HHZ. 2024-03-30T12:12:38.27 0.1 positive manual P 238 12.3765 134 0.24 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHN. ML:2.2 0.00127 0.28 AML other m 2024-03-30T12:12:40.40
IV.PARC.HHE. ML:1.8 0.000531 0.18 AML other m 2024-03-30T12:12:40.69
IV.CRE.HHN. ML:1.4 0.0001965 0.2 AML other m 2024-03-30T12:12:40.96
IV.CRE.HHE. ML:1.2 0.0001225 1.12 AML other m 2024-03-30T12:12:41.40
IV.BADI.EHE. ML:1.6 0.0002455 0.52 AML other m 2024-03-30T12:12:42.93
IV.BADI.EHN. ML:1.5 0.00016849999999999998 0.44 AML other m 2024-03-30T12:12:44.22
IV.ATPI.EHN. ML:1.4 0.0000991 0.16 AML other m 2024-03-30T12:12:46.72
IV.ATPI.EHE. ML:1.5 0.00011999999999999999 0.24 AML other m 2024-03-30T12:12:46.66
IV.ATVO.HHN. ML:1.5 0.00010425000000000001 0.26 AML other m 2024-03-30T12:12:48.86
IV.ATVO.HHE. ML:1.6 0.0001285 1.16 AML other m 2024-03-30T12:12:49.32
IV.SSFR.HHE. ML:1.6 0.0000748 0.88 AML other m 2024-03-30T12:12:54.53
IV.SSFR.HHN. ML:1.6 0.00008715 0.54 AML other m 2024-03-30T12:12:56.18
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