Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 04-01-2024 and time 16:36:25 (Italy) in region 6 km W Casteldelci (RN)

A magnitude ML 1.4 earthquake occured in region: 6 km W Casteldelci (RN), on

  • 04-01-2024 15:36:25 (UTC)
  • 04-01-2024 16:36:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7980, 12.0840 at 24 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
Casteldelci RN 6 407 407
Verghereto FC 6 1907 2314
Bagno di Romagna FC 11 6026 8340
Sant'Agata Feltria RN 13 2151 10491
Badia Tedalda AR 13 1087 11578
Sarsina FC 14 3446 15024
Pieve Santo Stefano AR 15 3183 18207
Pennabilli RN 15 2869 21076
Chiusi della Verna AR 16 2023 23099
Caprese Michelangelo AR 19 1426 24525
Sestino AR 20 1355 25880
Mercato Saraceno FC 20 6886 32766
Novafeltria RN 20 7164 39930

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Cesena (96758 inhabitants)
40 Km NE of Arezzo (99543 inhabitants)
47 Km S of Forlì (117913 inhabitants)
49 Km SW of Rimini (147750 inhabitants)
57 Km S of Faenza (58541 inhabitants)
67 Km E of Firenze (382808 inhabitants)
68 Km W of Pesaro (94582 inhabitants)
69 Km SE of Imola (69797 inhabitants)
70 Km S of Ravenna (159116 inhabitants)
73 Km E of Scandicci (50609 inhabitants)
75 Km W of Fano (60888 inhabitants)
80 Km E of Prato (191150 inhabitants)
81 Km NE of Siena (53903 inhabitants)
81 Km NW of Perugia (166134 inhabitants)
95 Km E of Pistoia (90315 inhabitants)
98 Km SE of Bologna (386663 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 1.4 2024-01-04
15:36:25		 43.7982 12.0838 24 2024-01-04
15:44:35		 Sala Sismica INGV-Roma 124485041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-04 15:36:25 ± 0.12
Latitude 43.7982 ± 0.0054
Longitude 12.0838 ± 0.0075
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124485041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 711
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.17087
Epicentral distance of station farthest from the epicenter (degree) 0.52790
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 124485041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-04 15:44:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2024-01-04T15:36:41.15 0.3 undecidable manual S 117 44.9217 110 0.16 71
IV.LMD.HHZ. 2024-01-04T15:36:40.71 0.3 undecidable manual S 316 43.2234 111 0.16 71
IV.PE3.EHZ. 2024-01-04T15:36:39.00 0.6 undecidable manual S 109 34.9428 117 0.46 45
IV.BADI.EHZ. 2024-01-04T15:36:38.40 0.3 undecidable manual S 158 34.5432 117 -0.04 74
IV.BOSL.HHZ. 2024-01-04T15:36:37.05 0.1 undecidable manual P 285 58.5969 105 0.41 87
IV.ATVO.HHZ. 2024-01-04T15:36:36.02 0.1 undecidable manual P 151 52.9026 107 0.22 92
IV.CAFI.HHZ. 2024-01-04T15:36:35.76 0.3 undecidable manual P 190 52.9026 107 -0.02 72
IV.PARC.HHN. 2024-01-04T15:36:35.35 0.1 undecidable manual S 143 20.7681 133 -0.06 100
IV.CRE.HHZ. 2024-01-04T15:36:35.84 0.3 undecidable manual S 208 22.5552 130 0.07 76
IV.ATPI.EHZ. 2024-01-04T15:36:34.92 0.1 undecidable manual P 146 46.2204 110 0.11 96
IV.LMD.HHZ. 2024-01-04T15:36:34.15 0.3 undecidable manual P 316 43.2234 111 -0.22 71
IV.RUFI.EHZ. 2024-01-04T15:36:34.72 0.1 undecidable manual P 276 46.2204 110 -0.09 96
IV.NARO.HHZ. 2024-01-04T15:36:34.29 0.3 undecidable manual P 117 44.9217 110 -0.34 69
IV.VMGN.HHZ. 2024-01-04T15:36:34.96 0.1 undecidable manual P 292 47.3193 109 -0.01 97
IV.PIEI.HHZ. 2024-01-04T15:36:34.52 0.3 undecidable manual P 129 46.4202 110 -0.33 69
IV.CPGN.EHZ. 2024-01-04T15:36:34.95 0.3 undecidable manual S 89 18.9699 136 -0.12 74
IV.PE3.EHZ. 2024-01-04T15:36:33.35 0.1 undecidable manual P 109 34.9428 117 0.14 97
IV.BADI.EHZ. 2024-01-04T15:36:32.98 0.3 undecidable manual P 158 34.5432 117 -0.17 72
IV.PARC.HHN. 2024-01-04T15:36:31.75 0.1 undecidable manual P 143 20.7681 133 0.35 95
IV.CRE.HHZ. 2024-01-04T15:36:31.20 0.3 undecidable manual P 208 22.5552 130 -0.41 70
IV.CPGN.EHZ. 2024-01-04T15:36:30.72 0.3 undecidable manual P 89 18.9699 136 -0.49 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:1.4 0.000132 0.36 AML other m 2024-01-04T15:36:34.68
IV.SFI.EHN. ML:1.4 0.000108 0.16 AML other m 2024-01-04T15:36:34.94
IV.CRE.HHN. ML:1.6 0.00016949999999999997 0.36 AML other m 2024-01-04T15:36:36.94
IV.CRE.HHE. ML:1.3 0.0001007 0.98 AML other m 2024-01-04T15:36:37.50
IV.BADI.EHE. ML:1.6 0.0001225 0.18 AML other m 2024-01-04T15:36:38.96
IV.BADI.EHN. ML:1.4 0.00007785000000000001 0.86 AML other m 2024-01-04T15:36:39.86
IV.LMD.HHE. ML:1.5 0.00008235000000000001 1.58 AML other m 2024-01-04T15:36:41.16
IV.LMD.HHN. ML:1.4 0.0000656 0.78 AML other m 2024-01-04T15:36:42.44
IV.ATPI.EHN. ML:1.3 0.000047600000000000005 1.16 AML other m 2024-01-04T15:36:42.84
IV.ATPI.EHE. ML:1.2 0.00004225 1.12 AML other m 2024-01-04T15:36:43.14
IV.ATVO.HHE. ML:1.4 0.000052199999999999995 1.32 AML other m 2024-01-04T15:36:48.28
IV.ATVO.HHN. ML:1.2 0.000036700000000000004 0.42 AML other m 2024-01-04T15:37:03.61
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