Earthquake with magnitude of ML 1.0 on date 14-10-2023 and time 01:35:24 (Italy) in region 3 km W Premilcuore (FC)

A magnitude ML 1.0 earthquake occured in region: 3 km W Premilcuore (FC), on

  • 13-10-2023 23:35:24 (UTC)
  • 14-10-2023 01:35:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9900, 11.7410 at 9 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
Premilcuore FC 3 799 799
Portico e San Benedetto FC 5 756 1555
Tredozio FC 10 1212 2767
Rocca San Casciano FC 12 1910 4677
San Godenzo FI 12 1167 5844
Galeata FC 14 2516 8360
Marradi FI 14 3139 11499
Santa Sofia FC 14 4136 15635
Civitella di Romagna FC 16 3786 19421
Dovadola FC 19 1653 21074
Modigliana FC 19 4560 25634
Londa FI 20 1840 27474

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SW of Faenza (58541 inhabitants)
35 Km SW of Forlì (117913 inhabitants)
41 Km S of Imola (69797 inhabitants)
43 Km W of Cesena (96758 inhabitants)
46 Km NE of Firenze (382808 inhabitants)
52 Km E of Scandicci (50609 inhabitants)
53 Km E of Prato (191150 inhabitants)
59 Km N of Arezzo (99543 inhabitants)
60 Km SW of Ravenna (159116 inhabitants)
65 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 W of Pesaro (94582 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
98 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 1.0 2023-10-13
23:35:24
43.9902 11.7407 9 2023-10-13
23:40:15
Sala Sismica INGV-Roma 122057631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-13 23:35:24 ± 0.09
Latitude 43.9902 ± 0.0045
Longitude 11.7407 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122057631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 448
Semi-minor axis of confidence ellipse (meter) 351
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.09083
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 122057631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-13 23:40:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2023-10-13T23:35:35.15 0.3 undecidable manual S 283 31.3464 50 -0.08 72
IV.CRE.HHZ. 2023-10-13T23:35:32.36 0.3 undecidable manual P 158 44.5221 50 -0.17 69
IV.SEI.HHZ. 2023-10-13T23:35:30.49 0.1 undecidable manual P 283 31.3464 50 0 97
IV.RINC.EHZ. 2023-10-13T23:35:30.01 0.1 undecidable manual S 223 15.6732 121 -0.33 93
IV.VMGN.HHZ. 2023-10-13T23:35:30.78 0.1 undecidable manual S 257 17.0718 119 0.03 99
IV.SFI.EHZ. 2023-10-13T23:35:29.45 0.1 undecidable manual S 138 12.6762 126 -0.02 100
IV.LMD.HHZ. 2023-10-13T23:35:28.59 0.1 undecidable manual S 345 10.0788 133 -0.16 97
IV.VMGN.HHZ. 2023-10-13T23:35:28.23 0.1 undecidable manual P 257 17.0718 119 0.32 93
IV.SFI.EHZ. 2023-10-13T23:35:27.25 0.1 undecidable manual P 138 12.6762 126 0.08 99
IV.RINC.EHZ. 2023-10-13T23:35:27.89 0.1 undecidable manual P 223 15.6732 121 0.22 95
IV.LMD.HHZ. 2023-10-13T23:35:26.79 0.1 undecidable manual P 345 10.0788 133 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LMD.HHE. ML:1.5 0.00044950000000000003 0.3 AML other m 2023-10-13T23:35:28.96
IV.LMD.HHN. ML:1.4 0.00029749999999999997 0.42 AML other m 2023-10-13T23:35:28.96
IV.SFI.EHN. ML:0.7 0.00005995 0.46 AML other m 2023-10-13T23:35:29.77
IV.SFI.EHE. ML:0.7 0.000053099999999999996 0.6 AML other m 2023-10-13T23:35:31.39
IV.VMGN.HHN. ML:0.7 0.0000459 0.82 AML other m 2023-10-13T23:35:31.43
IV.VMGN.HHE. ML:0.8 0.00005995 0.1 AML other m 2023-10-13T23:35:32.10
IV.SEI.HHE. ML:1.2 0.00006305 0.28 AML other m 2023-10-13T23:35:35.93
IV.SEI.HHN. ML:1.3 0.0001013 0.24 AML other m 2023-10-13T23:35:36.12
IV.CRE.HHE. ML:0.9 0.000025450000000000002 0.26 AML other m 2023-10-13T23:35:39.32
IV.CRE.HHN. ML:1.2 0.00004485 0.18 AML other m 2023-10-13T23:35:39.52
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