Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 08-06-2023 and time 12:11:56 (Italy) in region 2 km E Meldola (FC)

A magnitude ML 1.2 earthquake occured in region: 2 km E Meldola (FC), on

  • 08-06-2023 10:11:56 (UTC)
  • 08-06-2023 12:11:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1260, 12.0840 at 7 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
Meldola FC 2 9970 9970
Bertinoro FC 5 11059 21029
Forlimpopoli FC 8 13290 34319
Predappio FC 9 6346 40665
Forlì FC 11 117913 158578
Castrocaro Terme e Terra del Sole FC 12 6426 165004
Cesena FC 13 96758 261762
Dovadola FC 16 1653 263415
Civitella di Romagna FC 18 3786 267201
Montiano FC 18 1716 268917
Galeata FC 20 2516 271433

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of Forlì (117913 inhabitants)
13 Km W of Cesena (96758 inhabitants)
24 Km SE of Faenza (58541 inhabitants)
34 Km S of Ravenna (159116 inhabitants)
39 Km SE of Imola (69797 inhabitants)
39 Km W of Rimini (147750 inhabitants)
71 Km W of Pesaro (94582 inhabitants)
72 Km SE of Bologna (386663 inhabitants)
75 Km N of Arezzo (99543 inhabitants)
77 Km NE of Firenze (382808 inhabitants)
81 Km W of Fano (60888 inhabitants)
83 Km E of Scandicci (50609 inhabitants)
83 Km E of Prato (191150 inhabitants)
87 Km SE of Ferrara (133155 inhabitants)
96 Km E of Pistoia (90315 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 1.2 2023-06-08
10:11:56		 44.1258 12.0838 7 2023-06-08
10:27:29		 Sala Sismica INGV-Roma 118208491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-08 10:11:56 ± 0.35
Latitude 44.1258 ± 0.0144
Longitude 12.0838 ± 0.0138
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118208491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1573
Semi-minor axis of confidence ellipse (meter) 943
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 196
Circular confidence region, given by single value of horizontal uncertainty (meter) 1570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 12
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80040
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 118208491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-08 10:27:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HNZ. 2023-06-08T10:13:15.00 3.0 undecidable manual Sg 2.94 0
IV.CAR1.HHZ. 2023-06-08T10:13:11.59 3.0 undecidable manual Pn -0.59 0
IV.ARCI.HHZ. 2023-06-08T10:13:09.00 3.0 undecidable manual Sg 8.04 0
IV.SGO.HHZ. 2023-06-08T10:12:48.26 3.0 undecidable manual Pn -3.89 0
IV.PP3.EHZ. 2023-06-08T10:12:47.38 3.0 undecidable manual Sg 1.13 0
IV.CSP1.EHZ. 2023-06-08T10:12:42.21 3.0 undecidable manual Sn -9.9 0
IV.PRMA.HHZ. 2023-06-08T10:12:31.68 3.0 undecidable manual Sn -0.28 0
IV.PARC.HHZ. 2023-06-08T10:12:13.95 0.6 undecidable manual S 167 54.4011 50 0.08 47
IV.VMGN.HHZ. 2023-06-08T10:12:12.55 0.3 undecidable manual S 247 47.9187 50 0.42 67
IV.RINC.EHZ. 2023-06-08T10:12:11.64 0.3 undecidable manual S 235 46.4202 50 -0.1 72
IV.CAFI.HHZ. 2023-06-08T10:12:11.83 0.3 undecidable manual P 186 88.8444 50 0.16 65
IV.MPAG.EHZ. 2023-06-08T10:12:10.57 0.6 undecidable manual P 135 77.1672 50 0.71 38
IV.SFI.EHZ. 2023-06-08T10:12:07.30 0.3 undecidable manual S 218 30.9468 103 0.17 73
IV.VISG.HHZ. 2023-06-08T10:12:06.42 0.3 undecidable manual P 278 52.2033 50 0.41 66
IV.RUFI.EHZ. 2023-06-08T10:12:06.18 0.3 undecidable manual P 235 55.8996 50 -0.4 66
IV.VMGN.HHZ. 2023-06-08T10:12:05.15 0.1 undecidable manual P 247 47.9187 50 -0.2 93
IV.PARC.HHZ. 2023-06-08T10:12:05.97 0.3 undecidable manual P 167 54.4011 50 -0.38 67
IV.RINC.EHZ. 2023-06-08T10:12:04.80 0.1 undecidable manual P 235 46.4202 50 -0.32 91
IV.SFI.EHZ. 2023-06-08T10:12:02.45 0.1 undecidable manual P 218 30.9468 103 -0.01 100
IV.BAG8.EHZ. 2023-06-08T10:11:56.33 3.0 negative manual Pn 1.73 0
OX.MARN.HHZ. 2023-06-08T10:11:47.90 3.0 negative manual Pn -0.62 0
MN.TRI.HHZ. 2023-06-08T10:11:35.66 3.0 undecidable manual P -5.38 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:1.7 0.000256 1.32 AML other m 2023-06-08T10:12:07.78
IV.SFI.EHN. ML:1.7 0.0002275 0.14 AML other m 2023-06-08T10:12:07.91
IV.VMGN.HHE. ML:1.2 0.000041099999999999996 0.72 AML other m 2023-06-08T10:12:13.38
IV.VMGN.HHN. ML:1.1 0.0000336 0.26 AML other m 2023-06-08T10:12:13.10
IV.PARC.HHN. ML:1.1 0.0000324 0.42 AML other m 2023-06-08T10:12:15.28
IV.PARC.HHE. ML:1.1 0.000031899999999999996 1.44 AML other m 2023-06-08T10:12:16.14
IV.RUFI.EHN. ML:1.2 0.000033050000000000004 0.42 AML other m 2023-06-08T10:12:16.19
IV.VISG.HHN. ML:0.9 0.000022199999999999998 0.78 AML other m 2023-06-08T10:12:16.59
IV.VISG.HHE. ML:0.8 0.00001745 0.28 AML other m 2023-06-08T10:12:16.73
IV.RUFI.EHE. ML:0.9 0.0000204 0.48 AML other m 2023-06-08T10:12:19.88
IV.CAFI.HHE. ML:1.5 0.0000385 1.42 AML other m 2023-06-08T10:12:24.20
IV.MPAG.EHN. ML:1.2 0.000024149999999999997 0.36 AML other m 2023-06-08T10:12:26.65
IV.MPAG.EHE. ML:1.2 0.0000252 0.32 AML other m 2023-06-08T10:12:26.57
IV.CAFI.HHN. ML:1.2 0.000020499999999999997 0.58 AML other m 2023-06-08T10:12:27.47
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