Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 28-03-2024 and time 08:13:49 (Italy) in region 3 km W Riolunato (MO)

A magnitude ML 1.3 earthquake occured in region: 3 km W Riolunato (MO), on

  • 28-03-2024 07:13:49 (UTC)
  • 28-03-2024 08:13:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2380, 10.6240 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.

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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
Riolunato MO 3 712 712
Pievepelago MO 3 2222 2934
Fiumalbo MO 7 1280 4214
Frassinoro MO 8 1926 6140
Montecreto MO 8 940 7080
Palagano MO 10 2194 9274
Abetone PT 11 621 9895
Lama Mocogno MO 12 2734 12629
Sestola MO 12 2508 15137
Montefiorino MO 14 2203 17340
Fanano MO 14 2989 20329
Polinago MO 14 1672 22001
Toano RE 16 4463 26464
Cutigliano PT 19 1488 27952
Villa Minozzo RE 19 3750 31702
Fosciandora LU 19 602 32304
Castiglione di Garfagnana LU 20 1818 34122
Villa Collemandina LU 20 1334 35456

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NW of Pistoia (90315 inhabitants)
44 Km NE of Massa (69479 inhabitants)
45 Km N of Lucca (89046 inhabitants)
46 Km E of Carrara (63133 inhabitants)
51 Km NE of Viareggio (62467 inhabitants)
51 Km S of Reggio nell'Emilia (171345 inhabitants)
52 Km SW of Modena (184973 inhabitants)
55 Km NW of Prato (191150 inhabitants)
61 Km NE of Pisa (89158 inhabitants)
64 Km W of Bologna (386663 inhabitants)
64 Km SW of Carpi (70699 inhabitants)
65 Km E of La Spezia (93959 inhabitants)
67 Km SE of Parma (192836 inhabitants)
70 Km NW of Scandicci (50609 inhabitants)
73 Km NW of Firenze (382808 inhabitants)
80 Km NE of Livorno (159219 inhabitants)
88 Km W of Imola (69797 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 2024-03-28
07:13:49		 44.2378 10.6235 9 2024-03-28
07:26:59		 Sala Sismica INGV-Roma 126222901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-28 07:13:49 ± 0.14
Latitude 44.2378 ± 0.0036
Longitude 10.6235 ± 0.0075
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126222901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 625
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.33815
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 126222901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-28 07:26:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2024-03-28T07:13:58.09 0.3 undecidable manual S 154 23.8539 111 -0.01 74
GU.CARD.HHZ. 2024-03-28T07:13:58.52 0.1 undecidable manual S 206 26.0517 109 -0.29 93
MN.VLC.HNZ. 2024-03-28T07:13:57.28 0.3 undecidable manual S 245 20.7681 114 0.18 72
GU.MAIM.HHZ. 2024-03-28T07:13:56.41 0.1 undecidable manual P 196 37.5291 50 -0.28 91
IV.BDI.HHZ. 2024-03-28T07:13:56.76 0.3 undecidable manual S 187 19.5693 115 0.05 74
GU.SARM.EHZ. 2024-03-28T07:13:56.20 0.3 undecidable manual S 251 18.6702 116 -0.25 71
IV.ERBM.EHZ. 2024-03-28T07:13:55.26 0.3 undecidable manual P 320 26.1516 109 0.47 67
GU.POPM.HHZ. 2024-03-28T07:13:54.48 0.1 undecidable manual P 154 23.8539 111 0.12 97
GU.GSCL.HHZ. 2024-03-28T07:13:54.28 0.3 undecidable manual S 347 12.876 125 -0.42 69
GU.CARD.HHZ. 2024-03-28T07:13:54.76 0.1 undecidable manual P 206 26.0517 109 0 99
GU.SARM.EHZ. 2024-03-28T07:13:53.52 0.1 undecidable manual P 251 18.6702 116 0.12 98
IV.BDI.HHZ. 2024-03-28T07:13:53.77 0.3 undecidable manual P 187 19.5693 115 0.22 72
MN.VLC.HNZ. 2024-03-28T07:13:53.98 0.1 undecidable manual P 245 20.7681 114 0.2 96
IV.ZCCA.HNE. 2024-03-28T07:13:52.16 3.0 undecidable manual P 30.747 -3.48 0
GU.GSCL.HHZ. 2024-03-28T07:13:52.34 0.1 undecidable manual P 347 12.876 125 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GSCL.HHN. ML:1.4 0.00028500000000000004 0.16 AML other m 2024-03-28T07:13:54.54
GU.GSCL.HHE. ML:1.4 0.000253 0.38 AML other m 2024-03-28T07:13:54.34
IV.BDI.HHE. ML:1.1 0.00009379657 0.3 AML other m 2024-03-28T07:13:57.33
IV.BDI.HHN. ML:1.2 0.0001326989 0.14 AML other m 2024-03-28T07:13:57.03
GU.POPM.HHE. ML:1.3 0.0001363427 0.1 AML other m 2024-03-28T07:13:58.66
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