Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 25-01-2024 and time 23:20:47 (UTC) in region 4 km NW Premilcuore (FC)

A magnitude ML 0.9 earthquake occured in region: 4 km NW Premilcuore (FC), on

  • 25-01-2024 23:20:47 (UTC)
  • 26-01-2024 00:20:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9990, 11.7390 at 7 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
Premilcuore FC 4 799 799
Portico e San Benedetto FC 5 756 1555
Tredozio FC 9 1212 2767
Rocca San Casciano FC 11 1910 4677
San Godenzo FI 12 1167 5844
Marradi FI 13 3139 8983
Galeata FC 14 2516 11499
Santa Sofia FC 15 4136 15635
Civitella di Romagna FC 16 3786 19421
Modigliana FC 18 4560 23981
Dovadola FC 18 1653 25634
Palazzuolo sul Senio FI 20 1154 26788

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Faenza (58541 inhabitants)
35 Km SW of Forlì (117913 inhabitants)
40 Km S of Imola (69797 inhabitants)
43 Km W of Cesena (96758 inhabitants)
46 Km NE of Firenze (382808 inhabitants)
52 Km NE of Scandicci (50609 inhabitants)
53 Km E of Prato (191150 inhabitants)
59 Km SW of Ravenna (159116 inhabitants)
60 Km N of Arezzo (99543 inhabitants)
64 Km SE of Bologna (386663 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
67 Km W of Rimini (147750 inhabitants)
82 Km NE of Siena (53903 inhabitants)
94 Km S of Ferrara (133155 inhabitants)
95 Km W of Pesaro (94582 inhabitants)
97 Km SE of Modena (184973 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 0.9 2024-01-25
23:20:47		 43.9992 11.7393 7 2024-01-25
23:29:36		 Sala Sismica INGV-Roma 124860571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-25 23:20:47 ± 0.23
Latitude 43.9992 ± 0.0054
Longitude 11.7393 ± 0.0113
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124860571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 955
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 213
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 124860571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-25 23:29:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CARD.HHZ. 2024-01-25T23:21:20.48 3.0 undecidable manual S 0.06 0
IV.SEI.HHZ. 2024-01-25T23:20:58.39 0.3 undecidable manual S 282 30.9468 102 0.1 96
IV.RUFI.EHZ. 2024-01-25T23:20:56.41 0.3 undecidable manual S 226 25.6521 105 -0.07 98
IT.MOG.HNZ. 2024-01-25T23:20:54.68 0.3 undecidable manual S 7 19.1697 109 0.36 93
IV.SEI.HHZ. 2024-01-25T23:20:53.27 0.3 undecidable manual P 282 30.9468 102 -0.36 91
IV.RINC.EHZ. 2024-01-25T23:20:53.56 0.3 undecidable manual S 220 16.3725 112 0.14 98
IV.VMGN.HHZ. 2024-01-25T23:20:53.96 0.3 undecidable manual S 253 17.2716 111 0.26 96
IV.RUFI.EHZ. 2024-01-25T23:20:52.39 0.3 undecidable manual P 226 25.6521 105 -0.2 95
IV.VMGN.HHZ. 2024-01-25T23:20:51.03 0.3 undecidable manual P 253 17.2716 111 0.04 100
IT.MOG.HNZ. 2024-01-25T23:20:51.51 0.3 undecidable manual P 7 19.1697 109 0.16 97
IV.RINC.EHZ. 2024-01-25T23:20:50.88 0.3 undecidable manual P 220 16.3725 112 0.05 100
IV.LMD.HHZ. 2024-01-25T23:20:50.91 0.3 undecidable manual S 344 9.0798 127 -0.3 96
IV.LMD.HHZ. 2024-01-25T23:20:49.32 0.3 undecidable manual P 344 9.0798 127 -0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.2 0.0002495 0.38 AML other m 2024-01-25T23:20:51.00
IV.LMD.HHN. ML:1.1 0.00020500000000000002 0.14 AML other m 2024-01-25T23:20:51.21
IV.VMGN.HHE. ML:0.4 0.000023800000000000003 0.42 AML other m 2024-01-25T23:20:54.19
IV.VMGN.HHN. ML:0.3 0.00002135 0.92 AML other m 2024-01-25T23:20:54.34
IV.SEI.HHE. ML:1.1 0.00005695 0.42 AML other m 2024-01-25T23:20:58.72
IV.SEI.HHN. ML:1.2 0.00007065000000000001 0.22 AML other m 2024-01-25T23:20:58.76
IV.RINC.EHE. ML:0.5 0.0000289634685 0.384 AML other m 2024-01-25T23:20:53.77
IV.RINC.EHN. ML:0.7 0.000049640819999999995 2.176 AML other m 2024-01-25T23:20:53.90
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