Earthquake with magnitude of ML 0.9 on date 29-01-2024 and time 16:28:15 (UTC) in region 2 km NE Tredozio (FC)

A magnitude ML 0.9 earthquake occured in region: 2 km NE Tredozio (FC), on

  • 29-01-2024 16:28:15 (UTC)
  • 29-01-2024 17:28:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1000, 11.7540 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Tredozio FC 2 1212 1212
Modigliana FC 7 4560 5772
Rocca San Casciano FC 8 1910 7682
Portico e San Benedetto FC 8 756 8438
Dovadola FC 11 1653 10091
Marradi FI 12 3139 13230
Premilcuore FC 14 799 14029
Brisighella RA 14 7639 21668
Palazzuolo sul Senio FI 17 1154 22822
Galeata FC 17 2516 25338
Casola Valsenio RA 17 2617 27955
Castrocaro Terme e Terra del Sole FC 18 6426 34381
Civitella di Romagna FC 18 3786 38167
Predappio FC 18 6346 44513
Riolo Terme RA 20 5720 50233

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SW of Faenza (58541 inhabitants)
27 Km SW of Forlì (117913 inhabitants)
28 Km S of Imola (69797 inhabitants)
39 Km W of Cesena (96758 inhabitants)
50 Km SW of Ravenna (159116 inhabitants)
54 Km NE of Firenze (382808 inhabitants)
55 Km SE of Bologna (386663 inhabitants)
58 Km E of Prato (191150 inhabitants)
59 Km NE of Scandicci (50609 inhabitants)
65 Km W of Rimini (147750 inhabitants)
69 Km E of Pistoia (90315 inhabitants)
71 Km N of Arezzo (99543 inhabitants)
83 Km S of Ferrara (133155 inhabitants)
90 Km SE of Modena (184973 inhabitants)
93 Km NE of Siena (53903 inhabitants)
95 Km W of Pesaro (94582 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 2024-01-29
16:28:15
44.0998 11.7542 8 2024-01-29
16:36:31
Sala Sismica INGV-Roma 124930471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-29 16:28:15 ± 0.08
Latitude 44.0998 ± 0.0027
Longitude 11.7542 ± 0.0038
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124930471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28778
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 124930471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-29 16:36:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2024-01-29T16:30:08.74 3.0 undecidable manual Sg 8.98 0
GU.BHB.HHZ. 2024-01-29T16:29:55.80 3.0 undecidable manual Sn 3.89 0
IV.SPS2.HHZ. 2024-01-29T16:29:46.89 3.0 positive manual Pn 0.33 0
IV.LPEL.HHZ. 2024-01-29T16:29:40.95 3.0 undecidable manual Sg 2.76 0
IV.ACER.HHZ. 2024-01-29T16:29:38.10 3.0 negative manual Pg 10.53 0
IV.GIUL.HHZ. 2024-01-29T16:29:02.08 3.0 negative manual Pn -1.74 0
ST.ZIAN.EHZ. 2024-01-29T16:28:51.52 3.0 undecidable manual Pn -1.75 0
IV.CRTC.HHZ. 2024-01-29T16:28:46.92 3.0 undecidable manual S -3.14 0
IV.ASSB.HHZ. 2024-01-29T16:28:40.07 3.0 negative manual Pg -2.67 0
IV.SEI.HHZ. 2024-01-29T16:28:26.88 0.6 undecidable manual S 261 31.9458 105 -0.04 48
IV.RINC.EHZ. 2024-01-29T16:28:25.14 0.6 undecidable manual S 206 26.4513 107 0.07 48
IV.VISG.HHZ. 2024-01-29T16:28:22.61 3.0 undecidable manual P -0.79 0
IV.SEI.HHZ. 2024-01-29T16:28:21.94 1.0 undecidable manual P 261 31.9458 105 -0.13 23
IV.VMGN.HHZ. 2024-01-29T16:28:20.49 3.0 undecidable manual P -3.94 0
IT.MRR.HGZ. 2024-01-29T16:28:20.77 0.6 undecidable manual S 252 12.6762 123 0.05 49
IV.RINC.EHZ. 2024-01-29T16:28:20.87 0.6 positive manual P 206 26.4513 107 -0.14 47
IT.MOG.HNZ. 2024-01-29T16:28:19.43 0.6 undecidable manual S 7 7.881 137 -0.01 50
IV.LMD.HHZ. 2024-01-29T16:28:18.67 0.3 undecidable manual S 236 4.4955 152 -0.07 74
IT.MRR.HGZ. 2024-01-29T16:28:18.56 0.1 undecidable manual P 252 12.6762 123 0.06 98
IT.MOG.HNZ. 2024-01-29T16:28:17.77 0.1 undecidable manual P 7 7.881 137 0.01 100
IV.LMD.HHZ. 2024-01-29T16:28:17.42 0.1 undecidable manual P 236 4.4955 152 0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHN. ML:1.3 0.00070252395 0.256 AML other m 2024-01-29T16:28:18.84
IV.LMD.HHE. ML:1.0 0.00048182125 0.3328 AML other m 2024-01-29T16:28:18.75
IV.RINC.EHE. ML:0.7 0.000028996360000000003 0.3968 AML other m 2024-01-29T16:28:25.70
IV.RINC.EHN. ML:0.6 0.0000213207245 0.5888 AML other m 2024-01-29T16:28:25.15
IV.SEI.HHE. ML:1.0 0.000051199399999999996 0.4736 AML other m 2024-01-29T16:28:27.68
IV.SEI.HHN. ML:1.2 0.00006394176999999999 0.5248 AML other m 2024-01-29T16:28:27.05
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