Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 07-03-2023 and time 00:17:29 (UTC) in region 2 km S Galeata (FC)

A magnitude ML 1.5 earthquake occured in region: 2 km S Galeata (FC), on

  • 07-03-2023 00:17:29 (UTC)
  • 07-03-2023 01:17:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9780, 11.9150 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.

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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
Galeata FC 2 2516 2516
Santa Sofia FC 3 4136 6652
Civitella di Romagna FC 4 3786 10438
Rocca San Casciano FC 11 1910 12348
Premilcuore FC 11 799 13147
Portico e San Benedetto FC 12 756 13903
Bagno di Romagna FC 14 6026 19929
Predappio FC 15 6346 26275
Dovadola FC 16 1653 27928
Tredozio FC 18 1212 29140
Sarsina FC 19 3446 32586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Forlì (117913 inhabitants)
32 Km SW of Cesena (96758 inhabitants)
34 Km S of Faenza (58541 inhabitants)
45 Km SE of Imola (69797 inhabitants)
53 Km W of Rimini (147750 inhabitants)
54 Km SW of Ravenna (159116 inhabitants)
57 Km N of Arezzo (99543 inhabitants)
58 Km E of Firenze (382808 inhabitants)
64 Km E of Scandicci (50609 inhabitants)
66 Km E of Prato (191150 inhabitants)
73 Km SE of Bologna (386663 inhabitants)
80 Km E of Pistoia (90315 inhabitants)
80 Km W of Pesaro (94582 inhabitants)
87 Km NE of Siena (53903 inhabitants)
90 Km W of Fano (60888 inhabitants)
98 Km S of Ferrara (133155 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 1.5 2023-03-07
00:17:29		 43.9778 11.915 9 2024-03-01
17:18:15		 Bollettino Sismico Italiano INGV 120547061
Reviewed
Rev100 		ML 1.5 2023-03-07
00:17:29		 43.9777 11.912 9 2023-03-07
00:21:54		 Sala Sismica INGV-Roma 115049141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-07 00:17:29 ± 0.1
Latitude 43.9778 ± 0.0045
Longitude 11.9150 ± 0.0075
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120547061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 713
Semi-minor axis of confidence ellipse (meter) 207
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
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) 168
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.64931
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 120547061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-28 11:42:02

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 115049141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-07 00:21:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSP9.EHZ. 2023-03-07T00:17:45.80 0.3 undecidable manual S 159 48.0186 50 0.26 67
IV.SEI.HHZ. 2023-03-07T00:17:45.20 0.3 undecidable manual S 281 45.2214 50 0.42 65
IV.PARC.HHZ. 2023-03-07T00:17:44.59 0.3 undecidable manual S 145 44.8218 50 -0.08 71
IV.CRE.HHE. 2023-03-07T00:17:43.58 0.6 undecidable manual S 176 39.9267 50 0.2 46
IV.CAFI.HHZ. 2023-03-07T00:17:42.78 0.3 undecidable manual P 177 72.0723 50 0.17 66
IV.RUFI.EHZ. 2023-03-07T00:17:42.27 0.3 undecidable manual S 245 35.9418 50 -0.04 73
IV.BRIS.HHZ. 2023-03-07T00:17:41.40 0.6 undecidable manual S 337 29.8479 50 0.73 40
IV.VMGN.HHZ. 2023-03-07T00:17:40.75 0.6 undecidable manual S 265 30.6471 50 -0.14 48
IV.BOSL.HHE. 2023-03-07T00:17:38.13 0.3 undecidable manual P 263 43.5231 50 -0.08 71
IV.SSP9.EHZ. 2023-03-07T00:17:38.79 0.1 undecidable manual P 159 48.0186 50 -0.12 93
IV.PARC.HHZ. 2023-03-07T00:17:38.25 0.1 undecidable manual P 145 44.8218 50 -0.16 93
IV.SEI.HHZ. 2023-03-07T00:17:38.55 0.1 undecidable manual P 281 45.2214 50 0.08 94
IV.CRE.HHE. 2023-03-07T00:17:37.59 0.3 undecidable manual P 176 39.9267 50 -0.07 72
IV.LMD.HHZ. 2023-03-07T00:17:37.36 0.3 undecidable manual S 304 19.869 115 -0.11 73
IV.BRIS.HHZ. 2023-03-07T00:17:36.06 0.1 undecidable manual P 337 29.8479 50 -0.04 98
IV.RUFI.EHZ. 2023-03-07T00:17:36.64 0.1 undecidable manual P 245 35.9418 50 -0.4 90
IV.VMGN.HHZ. 2023-03-07T00:17:35.98 0.1 undecidable manual P 265 30.6471 50 -0.25 94
IV.LMD.HHZ. 2023-03-07T00:17:34.11 0.1 undecidable manual P 304 19.869 115 -0.14 97
IV.SFI.EHZ. 2023-03-07T00:17:34.76 0.3 undecidable manual S 214 9.7791 133 0.25 74
IV.SFI.EHZ. 2023-03-07T00:17:32.71 0.1 positive manual P 214 9.7791 133 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.HNN. ML:0.0 0.000250307995 0.09 AML other m 2023-03-07T00:17:35.04
IV.SFI.EHN. ML:0.0 0.00033323770000000003 0.18 AML other m 2023-03-07T00:17:35.05
IV.SFI.HNE. ML:0.0 0.00045551930000000003 0.25 AML other m 2023-03-07T00:17:35.07
IV.SFI.EHE. ML:0.0 0.00045911730000000004 0.24 AML other m 2023-03-07T00:17:35.07
IV.LMD.HHN. ML:0.0 0.000104496065 0.12 AML other m 2023-03-07T00:17:38.84
IV.LMD.HHE. ML:0.0 0.0001921172 0.16 AML other m 2023-03-07T00:17:38.89
IV.BRIS.HNE. ML:0.0 0.00021071835 0.23 AML other m 2023-03-07T00:17:42.01
IV.BRIS.HNN. ML:0.0 0.00019836223999999999 0.22 AML other m 2023-03-07T00:17:41.60
IV.BRIS.HHN. ML:0.0 0.000096970495 0.22 AML other m 2023-03-07T00:17:41.61
IV.BRIS.HHE. ML:0.0 0.00008273002 0.2 AML other m 2023-03-07T00:17:41.67
IV.SEI.HHE. ML:0.0 0.00008528643499999999 0.26 AML other m 2023-03-07T00:17:46.30
IV.SEI.HHN. ML:0.0 0.00012821495 0.28 AML other m 2023-03-07T00:17:48.75
IV.RUFI.EHE. ML:0.0 0.000047210965000000003 0.1 AML other m 2023-03-07T00:17:42.61
IV.RUFI.EHN. ML:0.0 0.00004491931 0.64 AML other m 2023-03-07T00:17:46.03
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