Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 01-04-2024 and time 05:01:08 (UTC) in region 5 km SW Russi (RA)

A magnitude ML 1.9 earthquake occured in region: 5 km SW Russi (RA), on

  • 01-04-2024 05:01:08 (UTC)
  • 01-04-2024 07:01:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3280, 12.0070 at 26 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
Russi RA 5 12247 12247
Cotignola RA 8 7474 19721
Bagnacavallo RA 10 16739 36460
Faenza RA 11 58541 95001
Forlì FC 12 117913 212914
Lugo RA 13 32390 245304
Solarolo RA 13 4488 249792
Bagnara di Romagna RA 16 2429 252221
Fusignano RA 16 8222 260443
Castel Bolognese RA 17 9554 269997
Sant'Agata sul Santerno RA 17 2862 272859
Mordano BO 17 4760 277619
Castrocaro Terme e Terra del Sole FC 17 6426 284045
Forlimpopoli FC 18 13290 297335
Ravenna RA 18 159116 456451
Massa Lombarda RA 19 10653 467104
Alfonsine RA 20 12038 479142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of Faenza (58541 inhabitants)
12 Km N of Forlì (117913 inhabitants)
18 Km SW of Ravenna (159116 inhabitants)
23 Km E of Imola (69797 inhabitants)
28 Km NW of Cesena (96758 inhabitants)
54 Km NW of Rimini (147750 inhabitants)
56 Km E of Bologna (386663 inhabitants)
64 Km SE of Ferrara (133155 inhabitants)
84 Km S of Rovigo (51867 inhabitants)
86 Km NW of Pesaro (94582 inhabitants)
86 Km NE of Firenze (382808 inhabitants)
88 Km NE of Prato (191150 inhabitants)
91 Km NE of Scandicci (50609 inhabitants)
93 Km E of Modena (184973 inhabitants)
96 Km N of Arezzo (99543 inhabitants)
97 Km NW of Fano (60888 inhabitants)
97 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 1.9 2024-04-01
05:01:08		 44.3285 12.0073 26 2024-04-01
06:18:50		 Sala Sismica INGV-Roma 126356031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-01 05:01:08 ± 0.21
Latitude 44.3285 ± 0.0135
Longitude 12.0073 ± 0.0226
Depth (km) 26 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126356031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1662
Semi-minor axis of confidence ellipse (meter) 1451
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 141
Circular confidence region, given by single value of horizontal uncertainty (meter) 1660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 1.18351
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 126356031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-01 06:18:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZOVE.HNE. 2024-04-01T05:01:45.40 0.6 undecidable manual S 342 131.3685 54 -0.51 36
IV.ZOVE.HNE. 2024-04-01T05:01:30.16 0.1 undecidable manual P 342 131.3685 54 0.08 80
IV.TEOL.HHE. 2024-04-01T05:01:28.85 0.1 undecidable manual P 347 117.5934 98 0.71 69
IV.SEI.HHZ. 2024-04-01T05:01:28.00 0.6 undecidable manual S 240 59.8956 107 0.52 41
IV.VMGN.HHE. 2024-04-01T05:01:27.50 0.6 undecidable manual S 222 56.0994 108 0.98 34
IT.MOG.HNE. 2024-04-01T05:01:19.20 0.6 undecidable manual S 228 25.9518 129 -0.17 48
IV.SEI.HHZ. 2024-04-01T05:01:19.02 0.1 undecidable manual P 240 59.8956 107 -0.42 86
IV.RINC.EHE. 2024-04-01T05:01:19.46 0.1 undecidable manual P 213 58.497 107 0.23 89
IV.VMGN.HHE. 2024-04-01T05:01:18.83 0.1 undecidable manual P 222 56.0994 108 -0.05 93
IV.BRSN.EHZ. 2024-04-01T05:01:17.43 0.6 undecidable manual S 130 7.5813 162 0.91 39
IV.SFI.EHE. 2024-04-01T05:01:17.86 0.1 undecidable manual P 195 48.7179 111 0.05 95
IV.LMD.HHZ. 2024-04-01T05:01:15.58 0.1 undecidable manual P 221 36.6411 119 -0.54 87
IV.IMOL.EHZ. 2024-04-01T05:01:14.23 0.1 undecidable manual P 279 21.2676 136 0.01 100
IT.MOG.HNE. 2024-04-01T05:01:14.44 0.1 undecidable manual P 228 25.9518 129 -0.31 93
IV.BRSN.EHZ. 2024-04-01T05:01:12.79 0.1 positive manual P 130 7.5813 162 -0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRSN.EHE. ML:2.0 0.0006620174 0.34 AML other m 2024-04-01T05:01:17.86
IV.BRSN.EHN. ML:1.8 0.00041273 0.2 AML other m 2024-04-01T05:01:17.70
IV.IMOL.HNE. ML:1.8 0.0003081289 0.12 AML other m 2024-04-01T05:01:19.87
IV.IMOL.HNN. ML:1.9 0.00037740255500000005 0.21 AML other m 2024-04-01T05:01:19.83
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