Earthquake with magnitude of ML 1.3 on date 17-02-2023 and time 04:54:32 (Italy) in region 4 km NW Galeata (FC)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Galeata (FC), on

  • 17-02-2023 03:54:32 (UTC)
  • 17-02-2023 04:54:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0140, 11.8740 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Galeata FC 4 2516 2516
Civitella di Romagna FC 5 3786 6302
Rocca San Casciano FC 6 1910 8212
Portico e San Benedetto FC 8 756 8968
Santa Sofia FC 8 4136 13104
Premilcuore FC 9 799 13903
Dovadola FC 12 1653 15556
Tredozio FC 13 1212 16768
Predappio FC 13 6346 23114
Modigliana FC 17 4560 27674
Castrocaro Terme e Terra del Sole FC 19 6426 34100
Bagno di Romagna FC 19 6026 40126
Meldola FC 20 9970 50096

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Forlì (117913 inhabitants)
30 Km S of Faenza (58541 inhabitants)
33 Km W of Cesena (96758 inhabitants)
40 Km SE of Imola (69797 inhabitants)
52 Km SW of Ravenna (159116 inhabitants)
56 Km W of Rimini (147750 inhabitants)
56 Km E of Firenze (382808 inhabitants)
61 Km N of Arezzo (99543 inhabitants)
62 Km E of Scandicci (50609 inhabitants)
64 Km E of Prato (191150 inhabitants)
68 Km SE of Bologna (386663 inhabitants)
77 Km E of Pistoia (90315 inhabitants)
84 Km W of Pesaro (94582 inhabitants)
89 Km NE of Siena (53903 inhabitants)
94 Km S of Ferrara (133155 inhabitants)
94 Km W of Fano (60888 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
Bulletin
Rev1000
ML 1.3 2023-02-17
03:54:32
44.0143 11.874 9 2024-03-01
17:18:09
Bollettino Sismico Italiano INGV 117629051
Reviewed
Rev100
ML 1.1 2023-02-17
03:54:32
44.013 11.8482 5 2023-02-17
04:02:02
Sala Sismica INGV-Roma 114506481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-17 03:54:32 ± 0.18
Latitude 44.0143 ± 0.0063
Longitude 11.8740 ± 0.0125
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117629051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1072
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.11152
Epicentral distance of station farthest from the epicenter (degree) 0.39930
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 114506481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-17 04:02:02

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 117629051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-23 12:34:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHE. 2023-02-17T03:54:47.27 0.6 undecidable manual S 172 44.3223 50 0.44 47
IV.SEI.HHZ. 2023-02-17T03:54:46.44 0.3 undecidable manual S 276 41.3253 50 0.41 71
IV.RUFI.EHZ. 2023-02-17T03:54:44.51 0.3 undecidable manual S 236 35.0427 50 0.15 76
IV.VMGN.HHN. 2023-02-17T03:54:42.38 0.3 undecidable manual S 256 28.0497 107 0.17 77
IV.BRIS.HHZ. 2023-02-17T03:54:41.75 0.3 undecidable manual S 340 24.8529 109 0.6 69
IV.CRE.HHE. 2023-02-17T03:54:40.31 0.3 undecidable manual P 172 44.3223 50 -0.26 73
IV.SEI.HHZ. 2023-02-17T03:54:39.82 0.3 undecidable manual P 276 41.3253 50 -0.29 73
IV.RUFI.EHZ. 2023-02-17T03:54:38.70 0.3 undecidable manual P 236 35.0427 50 -0.44 72
IV.LMD.HHZ. 2023-02-17T03:54:37.90 0.3 undecidable manual S 298 14.9739 120 -0.15 79
IV.BRIS.HHZ. 2023-02-17T03:54:37.32 0.3 undecidable manual P 340 24.8529 109 0.03 79
IV.VMGN.HHN. 2023-02-17T03:54:37.63 0.3 undecidable manual P 256 28.0497 107 -0.27 75
IV.SFI.EHZ. 2023-02-17T03:54:37.63 0.3 undecidable manual S 190 12.3765 125 0.36 76
IV.SFI.EHZ. 2023-02-17T03:54:35.02 0.3 undecidable manual P 190 12.3765 125 -0.03 81
IV.LMD.HHZ. 2023-02-17T03:54:35.11 0.1 undecidable manual P 298 14.9739 120 -0.39 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:1.0 0.0001325 0.46 AML other m 2023-02-17T03:54:38.27
IV.SFI.EHN. ML:1.2 0.000195 1.04 AML other m 2023-02-17T03:54:38.06
IV.LMD.HHN. ML:1.4 0.0002265 0.48 AML other m 2023-02-17T03:54:38.63
IV.LMD.HHE. ML:1.4 0.000241 0.18 AML other m 2023-02-17T03:54:38.59
IV.BRIS.HHE. ML:1.0 0.00005885 1.72 AML other m 2023-02-17T03:54:42.06
IV.BRIS.HHN. ML:1.2 0.00010595 0.44 AML other m 2023-02-17T03:54:42.11
IV.SFI.HNN. ML:1.2 0.000206817 0.4704 AML other m 2023-02-17T03:54:40.24
IV.SFI.HNE. ML:1.2 0.00017693227499999996 0.2912 AML other m 2023-02-17T03:54:38.41
IV.BRIS.HNN. ML:1.6 0.00026152710000000004 0.192 AML other m 2023-02-17T03:54:42.12
IV.BRIS.HNE. ML:1.4 0.00016720410000000001 0.2304 AML other m 2023-02-17T03:54:42.07
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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