Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 04-03-2024 and time 11:01:14 (Italy) in region 10 km NE Pratovecchio Stia (AR)

A magnitude ML 1.8 earthquake occured in region: 10 km NE Pratovecchio Stia (AR), on

  • 04-03-2024 10:01:14 (UTC)
  • 04-03-2024 11:01:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.8510, 11.8140 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pratovecchio Stia AR 10 5845 5845
Santa Sofia FC 13 4136 9981
Bagno di Romagna FC 13 6026 16007
Premilcuore FC 14 799 16806
Poppi AR 15 6160 22966
Castel San Niccolò AR 15 2707 25673
Verghereto FC 17 1907 27580
Bibbiena AR 17 12241 39821
San Godenzo FI 18 1167 40988
Galeata FC 18 2516 43504
Chiusi della Verna AR 19 2023 45527
Ortignano Raggiolo AR 19 878 46405
Montemignaio AR 20 566 46971
Londa FI 20 1840 48811
Portico e San Benedetto FC 20 756 49567

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km N of Arezzo (99543 inhabitants)
45 Km SW of Forlì (117913 inhabitants)
46 Km E of Firenze (382808 inhabitants)
47 Km SW of Cesena (96758 inhabitants)
49 Km S of Faenza (58541 inhabitants)
52 Km E of Scandicci (50609 inhabitants)
57 Km S of Imola (69797 inhabitants)
58 Km E of Prato (191150 inhabitants)
65 Km W of Rimini (147750 inhabitants)
70 Km SW of Ravenna (159116 inhabitants)
71 Km NE of Siena (53903 inhabitants)
72 Km E of Pistoia (90315 inhabitants)
81 Km SE of Bologna (386663 inhabitants)
89 Km W of Pesaro (94582 inhabitants)
95 Km NW of Perugia (166134 inhabitants)
97 Km W of Fano (60888 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 1.8 2024-03-04
10:01:14		 43.8512 11.8137 9 2024-03-04
10:10:13		 Sala Sismica INGV-Roma 125691081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-04 10:01:14 ± 0.04
Latitude 43.8512 ± 0.0027
Longitude 11.8137 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125691081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 291
Semi-minor axis of confidence ellipse (meter) 237
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 28
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58456
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 125691081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-04 10:10:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CARD.HHZ. 2024-03-04T10:01:51.16 3.0 undecidable manual S 0.22 0
IV.ATPI.EHZ. 2024-03-04T10:01:26.73 0.6 undecidable manual P 133 64.8906 50 0.45 41
IV.CAFI.HHZ. 2024-03-04T10:01:25.34 0.3 undecidable manual P 168 59.1963 50 -0.06 68
IV.ATMC.EHE. 2024-03-04T10:01:24.64 0.3 undecidable manual P 146 54.2013 50 0 69
IV.CRE.HHZ. 2024-03-04T10:01:24.56 0.3 undecidable manual S 157 28.0497 107 -0.2 70
IV.BADI.EHE. 2024-03-04T10:01:24.37 0.6 undecidable manual P 137 51.3153 50 0.19 45
IV.LMD.HHZ. 2024-03-04T10:01:24.06 0.3 undecidable manual S 341 26.5512 108 -0.19 70
IV.VMGN.HHZ. 2024-03-04T10:01:23.86 0.3 undecidable manual S 297 25.2525 109 0.03 72
IV.VISG.HHZ. 2024-03-04T10:01:23.76 0.3 undecidable manual P 321 48.2184 50 0.05 69
IV.RUFI.EHZ. 2024-03-04T10:01:23.38 0.3 undecidable manual S 267 24.3534 110 -0.17 70
IV.SEI.HHZ. 2024-03-04T10:01:22.78 0.3 undecidable manual P 302 42.7239 50 -0.09 69
IV.PARC.HHZ. 2024-03-04T10:01:22.48 0.3 undecidable manual P 123 40.8258 50 -0.09 70
IV.RINC.EHZ. 2024-03-04T10:01:21.38 0.3 undecidable manual S 283 16.9719 117 0.18 71
IV.BOSL.HHE. 2024-03-04T10:01:21.90 0.6 undecidable manual P 284 36.2415 50 0.03 47
IT.MOG.HNZ. 2024-03-04T10:01:21.76 0.3 undecidable manual P 354 35.6421 50 -0.01 71
IT.MRR.HGE. 2024-03-04T10:01:20.47 0.3 undecidable manual P 325 28.9488 107 -0.16 70
IV.CRE.HHZ. 2024-03-04T10:01:20.31 0.3 undecidable manual P 157 28.0497 107 -0.14 70
IV.RUFI.EHZ. 2024-03-04T10:01:19.74 0.1 undecidable manual P 267 24.3534 110 -0.02 97
IV.LMD.HHZ. 2024-03-04T10:01:19.93 0.1 undecidable manual P 341 26.5512 108 -0.23 93
IV.VMGN.HHZ. 2024-03-04T10:01:19.97 0.6 positive manual P 297 25.2525 109 0.06 48
IV.SFI.EHZ. 2024-03-04T10:01:18.37 0.1 undecidable manual S 24 6.4935 143 0.02 100
IV.RINC.EHZ. 2024-03-04T10:01:18.64 0.1 undecidable manual P 283 16.9719 117 0.25 94
IV.SFI.EHZ. 2024-03-04T10:01:17.00 0.1 undecidable manual P 24 6.4935 143 0.25 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNN. ML:2.5 0.0058 0.14 AML other m 2024-03-04T10:01:18.58
IV.SFI.HNE. ML:2.3 0.0035900000000000003 0.14 AML other m 2024-03-04T10:01:18.58
IV.SFI.EHN. ML:2.5 0.005735 0.12 AML other m 2024-03-04T10:01:18.59
IV.SFI.EHE. ML:2.3 0.00361 0.14 AML other m 2024-03-04T10:01:18.59
IV.RINC.EHE. ML:1.6 0.00040100000000000004 0.4 AML other m 2024-03-04T10:01:21.56
IV.RINC.EHN. ML:1.4 0.000241 0.28 AML other m 2024-03-04T10:01:22.85
IV.VMGN.HHN. ML:1.3 0.00010855000000000001 0.6 AML other m 2024-03-04T10:01:24.54
IV.VMGN.HHE. ML:1.4 0.0001455 0.1 AML other m 2024-03-04T10:01:24.36
IV.LMD.HHN. ML:1.8 0.00033350000000000003 0.22 AML other m 2024-03-04T10:01:24.53
IV.LMD.HHE. ML:1.8 0.000377 0.54 AML other m 2024-03-04T10:01:24.58
IV.CRE.HHN. ML:2.2 0.0008735 1.8 AML other m 2024-03-04T10:01:25.98
IV.CRE.HHE. ML:1.8 0.00030199999999999997 0.6 AML other m 2024-03-04T10:01:25.92
IV.SEI.HHE. ML:1.6 0.000122 0.42 AML other m 2024-03-04T10:01:34.40
IV.SEI.HHN. ML:1.8 0.0001795 0.52 AML other m 2024-03-04T10:01:35.36
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