Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 12-04-2024 and time 14:38:26 (Italy) in region 5 km E Predappio (FC)

A magnitude ML 1.1 earthquake occured in region: 5 km E Predappio (FC), on

  • 12-04-2024 12:38:26 (UTC)
  • 12-04-2024 14:38:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0860, 12.0380 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
Predappio FC 5 6346 6346
Meldola FC 5 9970 16316
Bertinoro FC 11 11059 27375
Civitella di Romagna FC 12 3786 31161
Castrocaro Terme e Terra del Sole FC 12 6426 37587
Dovadola FC 13 1653 39240
Forlimpopoli FC 14 13290 52530
Galeata FC 14 2516 55046
Forlì FC 15 117913 172959
Rocca San Casciano FC 16 1910 174869
Cesena FC 17 96758 271627
Santa Sofia FC 19 4136 275763
Mercato Saraceno FC 19 6886 282649

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km S of Forlì (117913 inhabitants)
17 Km W of Cesena (96758 inhabitants)
26 Km SE of Faenza (58541 inhabitants)
39 Km SW of Ravenna (159116 inhabitants)
39 Km SE of Imola (69797 inhabitants)
42 Km W of Rimini (147750 inhabitants)
70 Km N of Arezzo (99543 inhabitants)
72 Km SE of Bologna (386663 inhabitants)
72 Km E of Firenze (382808 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
78 Km E of Scandicci (50609 inhabitants)
79 Km E of Prato (191150 inhabitants)
83 Km W of Fano (60888 inhabitants)
90 Km SE of Ferrara (133155 inhabitants)
91 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 1.1 2024-04-12
12:38:26		 44.0857 12.0378 11 2024-04-12
12:56:45		 Sala Sismica INGV-Roma 126669561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-12 12:38:26 ± 0.26
Latitude 44.0857 ± 0.0117
Longitude 12.0378 ± 0.0250
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126669561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2100
Semi-minor axis of confidence ellipse (meter) 1140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 2100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47035
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 126669561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-12 12:56:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SERS.HHZ. 2024-04-12T12:39:59.10 3.0 undecidable manual Pg 15.33 0
OX.CIMO.HHZ. 2024-04-12T12:39:40.81 3.0 undecidable manual Sg 5.68 0
IV.GRIS.EHZ. 2024-04-12T12:39:28.53 3.0 positive manual Pn -2.32 0
IV.VVLD.HHZ. 2024-04-12T12:39:25.97 3.0 undecidable manual Sg 5.27 0
IV.CRE.HHZ. 2024-04-12T12:38:42.92 0.6 undecidable manual S 188 52.2033 50 -0.3 47
IV.SFI.EHZ. 2024-04-12T12:38:36.28 0.3 undecidable manual S 217 25.1526 50 0.28 74
IV.LMD.HHZ. 2024-04-12T12:38:36.34 0.3 undecidable manual S 268 26.3514 50 0.03 78
IV.CRE.HHZ. 2024-04-12T12:38:36.09 0.3 undecidable manual P 188 52.2033 50 -0.18 72
IV.VMGN.HHZ. 2024-04-12T12:38:34.08 0.1 undecidable manual P 250 42.8238 50 -0.75 83
IV.BRSN.EHE. 2024-04-12T12:38:34.76 0.3 undecidable manual S 9 22.2555 50 -0.46 71
IV.BRSN.EHE. 2024-04-12T12:38:32.47 0.3 undecidable manual P 9 22.2555 50 0.81 62
IV.SFI.EHZ. 2024-04-12T12:38:32.40 0.1 undecidable manual P 217 25.1526 50 0.29 98
IV.LMD.HHZ. 2024-04-12T12:38:32.48 0.1 undecidable manual P 268 26.3514 50 0.2 100
IV.ATPI.EHZ. 2024-04-12T12:38:31.16 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.2 0.000083550685 0.16 AML other m 2024-04-12T12:38:37.11
IV.LMD.HHN. ML:1.4 0.000145 0.12 AML other m 2024-04-12T12:38:36.80
IV.SFI.EHE. ML:1.4 0.0001575535 0.16 AML other m 2024-04-12T12:38:36.63
IV.SFI.EHN. ML:1.1 0.00006793766500000001 0.2 AML other m 2024-04-12T12:38:36.68
IV.SFI.HNN. ML:1.3 0.00011330208 0.59 AML other m 2024-04-12T12:38:38.64
IV.VMGN.HHE. ML:0.5 0.000010704332000000001 0.2 AML other m 2024-04-12T12:38:39.28
IV.VMGN.HHN. ML:0.9 0.000023993655 0.32 AML other m 2024-04-12T12:38:39.32
IV.CRE.HHE. ML:0.9 0.000022054974999999996 0.66 AML other m 2024-04-12T12:38:42.97
IV.CRE.HHN. ML:1.0 0.000024644844999999998 0.32 AML other m 2024-04-12T12:38:43.09
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