Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 26-08-2024 and time 09:47:42 (UTC) in region 3 km SE Fontanelice (BO)

A magnitude ML 2.3 earthquake occured in region: 3 km SE Fontanelice (BO), on

  • 26-08-2024 09:47:42 (UTC)
  • 26-08-2024 11:47:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2360, 11.5750 at 22 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
Fontanelice BO 3 1943 1943
Casola Valsenio RA 4 2617 4560
Borgo Tossignano BO 5 3288 7848
Castel del Rio BO 6 1246 9094
Casalfiumanese BO 8 3438 12532
Riolo Terme RA 13 5720 18252
Palazzuolo sul Senio FI 14 1154 19406
Dozza BO 15 6652 26058
Brisighella RA 16 7639 33697
Monterenzio BO 17 6035 39732
Imola BO 17 69797 109529
Marradi FI 18 3139 112668
Castel San Pietro Terme BO 18 20811 133479
Modigliana FC 20 4560 138039

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SW of Imola (69797 inhabitants)
25 Km W of Faenza (58541 inhabitants)
34 Km SE of Bologna (386663 inhabitants)
37 Km W of Forlì (117913 inhabitants)
54 Km W of Ravenna (159116 inhabitants)
54 Km W of Cesena (96758 inhabitants)
55 Km NE of Prato (191150 inhabitants)
58 Km NE of Firenze (382808 inhabitants)
62 Km NE of Scandicci (50609 inhabitants)
62 Km NE of Pistoia (90315 inhabitants)
67 Km S of Ferrara (133155 inhabitants)
69 Km SE of Modena (184973 inhabitants)
81 Km W of Rimini (147750 inhabitants)
82 Km SE of Carpi (70699 inhabitants)
89 Km N of Arezzo (99543 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
95 Km S of Rovigo (51867 inhabitants)
96 Km E of Lucca (89046 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 2.3 2024-08-26
09:47:42		 44.2355 11.5752 22 2024-08-26
10:00:47		 Sala Sismica INGV-Roma 130985781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-26 09:47:42 ± 0.24
Latitude 44.2355 ± 0.0108
Longitude 11.5752 ± 0.0113
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130985781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1188
Semi-minor axis of confidence ellipse (meter) 188
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67359
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 130985781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-26 10:00:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HHZ. 2024-08-26T09:48:44.41 3.0 undecidable manual Pg 9.95 0
IV.CSP1.EHZ. 2024-08-26T09:48:39.26 3.0 undecidable manual Sg 4.53 0
IV.CESX.HHZ. 2024-08-26T09:48:38.59 3.0 undecidable manual Sg 1.01 0
IV.ASSB.HHZ. 2024-08-26T09:48:29.70 3.0 undecidable manual S 0.61 0
IV.MPAG.EHZ. 2024-08-26T09:48:20.44 3.0 undecidable manual S 0.16 0
GU.EQUI.HHZ. 2024-08-26T09:48:18.30 3.0 undecidable manual S -1.06 0
GU.GORR.HHZ. 2024-08-26T09:48:14.87 3.0 negative manual Pn 1.52 0
IV.MAGA.HHZ. 2024-08-26T09:48:13.82 3.0 positive manual Pn -0.42 0
IV.CSNT.HHZ. 2024-08-26T09:48:09.21 3.0 undecidable manual S -0.68 0
IV.SSFR.HHZ. 2024-08-26T09:48:06.55 3.0 undecidable manual P 0.33 0
IV.ATMI.HHZ. 2024-08-26T09:48:05.15 3.0 positive manual P 1.64 0
IV.ATVO.HHZ. 2024-08-26T09:48:05.09 3.0 positive manual P 1.22 0
IV.ATFO.HHZ. 2024-08-26T09:48:05.94 3.0 positive manual P 0.6 0
IV.CRMI.HHZ. 2024-08-26T09:48:04.14 0.6 undecidable manual S 224 68.0763 101 0.36 43
IV.ZOVE.EHZ. 2024-08-26T09:48:04.17 3.0 negative manual P -3.94 0
IV.ATPI.EHZ. 2024-08-26T09:48:04.61 3.0 positive manual P 1.75 0
GU.EQUI.HHZ. 2024-08-26T09:48:03.91 3.0 negative manual P 0.03 0
MN.VLC.HHZ. 2024-08-26T09:48:01.40 3.0 negative manual P 0.63 0
IV.CAFI.HHZ. 2024-08-26T09:48:01.08 3.0 negative manual P -0.71 0
IV.PII.HHZ. 2024-08-26T09:48:00.49 3.0 negative manual P -0.74 0
IV.PIEI.HHZ. 2024-08-26T09:48:00.24 3.0 positive manual P -2.76 0
IV.MPPT.EHZ. 2024-08-26T09:47:59.72 0.3 undecidable manual S 232 49.4172 107 0.78 58
IV.CSNT.HHZ. 2024-08-26T09:47:58.18 3.0 negative manual P -0.38 0
IV.RUFI.EHZ. 2024-08-26T09:47:57.72 0.3 undecidable manual S 187 44.4222 109 0.06 73
GU.GSCL.HHZ. 2024-08-26T09:47:57.47 3.0 negative manual P -1.06 0
IV.PARC.HHZ. 2024-08-26T09:47:57.04 3.0 negative manual P -1.62 0
IV.BDI.HHZ. 2024-08-26T09:47:57.64 3.0 negative manual P -0.49 0
IV.SFI.EHZ. 2024-08-26T09:47:57.43 0.3 undecidable manual S 149 42.624 110 0.22 71
IV.BOSL.HHZ. 2024-08-26T09:47:56.17 0.3 undecidable manual S 205 37.3293 113 0.26 70
IV.RINC.EHZ. 2024-08-26T09:47:56.85 0.3 undecidable manual S 176 38.8278 112 0.59 65
IV.CRE.HHZ. 2024-08-26T09:47:55.89 0.1 undecidable manual P 156 74.7696 100 -0.04 92
IV.VMGN.HHZ. 2024-08-26T09:47:54.68 0.3 undecidable manual S 186 31.3464 118 0.22 72
IV.CRMI.HHZ. 2024-08-26T09:47:54.87 0.1 positive manual P 224 68.0763 101 -0.06 93
IV.SEI.HHZ. 2024-08-26T09:47:53.54 0.6 undecidable manual S 221 26.4513 123 0.2 49
IV.ZCCA.HHZ. 2024-08-26T09:47:53.13 0.3 positive manual P 285 49.2174 107 1.02 52
IV.RUFI.EHZ. 2024-08-26T09:47:51.21 0.1 negative manual P 187 44.4222 109 -0.19 94
IV.MPPT.EHZ. 2024-08-26T09:47:51.86 0.1 undecidable manual P 232 49.4172 107 -0.28 92
IT.MRR.HGZ. 2024-08-26T09:47:51.50 0.3 undecidable manual S 173 19.1697 134 -0.3 71
IT.MOG.HNZ. 2024-08-26T09:47:51.95 0.3 undecidable manual S 115 16.872 138 0.57 69
IV.SFI.EHZ. 2024-08-26T09:47:50.70 0.1 undecidable manual P 149 42.624 110 -0.44 90
IV.VISG.HHZ. 2024-08-26T09:47:50.28 0.3 undecidable manual S 245 12.2766 147 -0.36 71
IV.BOSL.HHZ. 2024-08-26T09:47:50.25 0.1 undecidable manual P 205 37.3293 113 -0.14 97
IV.RINC.EHZ. 2024-08-26T09:47:50.45 0.1 undecidable manual P 176 38.8278 112 -0.14 96
IV.VMGN.HHZ. 2024-08-26T09:47:49.29 0.1 undecidable manual P 186 31.3464 118 -0.26 95
IV.SEI.HHZ. 2024-08-26T09:47:48.47 0.1 positive manual P 221 26.4513 123 -0.43 92
IV.IMOL.EHZ. 2024-08-26T09:47:48.77 0.1 undecidable manual P 44 19.1697 134 0.76 84
IT.MRR.HGZ. 2024-08-26T09:47:47.64 0.1 undecidable manual P 173 19.1697 134 -0.37 94
IT.MOG.HNZ. 2024-08-26T09:47:47.66 0.1 undecidable manual P 115 16.872 138 -0.11 100
IV.VISG.HHZ. 2024-08-26T09:47:46.82 0.1 positive manual P 245 12.2766 147 -0.52 92
4P.IT09A.HHE. 2024-08-26T09:47:45.34 3.0 undecidable manual P 48.4182 -6.65 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VISG.HHE. ML:2.5 0.0018900000000000002 0.16 AML other m 2024-08-26T09:47:50.64
IV.VISG.HHN. ML:2.5 0.002215 1 AML other m 2024-08-26T09:47:50.61
IT.MOG.HNN. ML:4.4 0.1313 0.12 AML other m 2024-08-26T09:47:52.14
IT.MOG.HNE. ML:4.4 0.12894999999999998 0.74 AML other m 2024-08-26T09:47:52.08
IV.SEI.HHN. ML:2.9 0.0037099999999999998 1.1 AML other m 2024-08-26T09:47:54.77
IV.SEI.HHE. ML:2.8 0.003025 0.52 AML other m 2024-08-26T09:47:54.52
IV.VMGN.HHN. ML:2.1 0.000532 1.62 AML other m 2024-08-26T09:47:54.17
IV.IMOL.EHE. ML:2.3 0.0010345 1.76 AML other m 2024-08-26T09:47:55.00
IV.IMOL.EHN. ML:2.2 0.0008755 0.4 AML other m 2024-08-26T09:47:55.00
IV.VMGN.HHE. ML:2.4 0.0008555 0.58 AML other m 2024-08-26T09:47:55.47
IV.BOSL.HHE. ML:1.9 0.00028250000000000004 0.48 AML other m 2024-08-26T09:47:56.59
IV.BOSL.HHN. ML:1.9 0.000258 0.48 AML other m 2024-08-26T09:47:56.59
IV.RINC.EHE. ML:2.2 0.000536 0.3 AML other m 2024-08-26T09:47:57.20
IV.RINC.EHN. ML:2.1 0.000409 0.42 AML other m 2024-08-26T09:47:57.32
IV.RUFI.EHE. ML:1.8 0.00017299999999999998 1.32 AML other m 2024-08-26T09:47:57.21
IV.SFI.HNE. ML:2.4 0.0008285 0.46 AML other m 2024-08-26T09:47:58.29
IV.SFI.EHE. ML:2.5 0.0008585 0.46 AML other m 2024-08-26T09:47:58.29
IV.RUFI.EHN. ML:2.2 0.00042300000000000004 0.5 AML other m 2024-08-26T09:47:59.88
IV.SFI.HNN. ML:2.2 0.0004185 0.9 AML other m 2024-08-26T09:48:00.14
IV.SFI.EHN. ML:2.1 0.0003835 0.88 AML other m 2024-08-26T09:48:00.15
IV.MPPT.EHE. ML:2.4 0.0006475 1.34 AML other m 2024-08-26T09:48:00.93
IV.MPPT.EHN. ML:2.2 0.0003695 0.62 AML other m 2024-08-26T09:48:00.96
IV.CRMI.HHN. ML:2.2 0.00029 0.54 AML other m 2024-08-26T09:48:05.24
IV.CRMI.HHE. ML:2.1 0.0002175 0.34 AML other m 2024-08-26T09:48:05.75
IV.ZCCA.HNN. ML:2.1 0.0002825 0.76 AML other m 2024-08-26T09:48:06.18
IV.CSNT.HHE. ML:2.0 0.0001255 0.42 AML other m 2024-08-26T09:48:10.35
IV.CRE.HHE. ML:2.1 0.0001885 0.96 AML other m 2024-08-26T09:48:10.41
IV.CSNT.HHN. ML:2.1 0.00014350000000000002 1.7 AML other m 2024-08-26T09:48:10.13
IV.ZCCA.HHE. ML:1.9 0.0001975 0.5 AML other m 2024-08-26T09:48:11.74
IV.ZCCA.HNE. ML:2.1 0.00028500000000000004 0.5 AML other m 2024-08-26T09:48:11.50
IV.BDI.HHN. ML:2.3 0.00026250000000000004 1.22 AML other m 2024-08-26T09:48:11.65
IV.BDI.HHE. ML:2.4 0.00034250000000000003 0.92 AML other m 2024-08-26T09:48:12.67
IV.PII.HHE. ML:2.4 0.000231 0.82 AML other m 2024-08-26T09:48:12.43
IV.CRE.HHN. ML:2.3 0.00027550000000000003 0.28 AML other m 2024-08-26T09:48:15.18
MN.VLC.HHN. ML:2.2 0.00015050000000000003 0.74 AML other m 2024-08-26T09:48:16.44
IV.PII.HHN. ML:2.4 0.0002255 0.38 AML other m 2024-08-26T09:48:16.59
IV.PARC.HHN. ML:2.4 0.0003285 0.66 AML other m 2024-08-26T09:48:16.41
IV.ZCCA.HHN. ML:1.8 0.00016999999999999999 0.54 AML other m 2024-08-26T09:48:16.83
IV.PARC.HHE. ML:2.3 0.0002575 0.46 AML other m 2024-08-26T09:48:18.42
IV.CAFI.HHE. ML:2.1 0.00011499999999999999 0.9 AML other m 2024-08-26T09:48:20.25
IV.MPAG.EHN. ML:2.3 0.00016450000000000001 0.74 AML other m 2024-08-26T09:48:22.18
IV.ATPI.EHN. ML:2.3 0.000154 0.88 AML other m 2024-08-26T09:48:22.72
MN.VLC.HHE. ML:2.0 0.00009635 1.3 AML other m 2024-08-26T09:48:22.30
IV.CAFI.HHN. ML:2.0 0.0000918 0.38 AML other m 2024-08-26T09:48:22.34
IV.ATVO.HHN. ML:2.5 0.0002175 0.4 AML other m 2024-08-26T09:48:22.56
IV.ATPI.EHE. ML:2.5 0.0002385 0.8 AML other m 2024-08-26T09:48:22.31
IV.ATMI.HHN. ML:2.8 0.000451 0.56 AML other m 2024-08-26T09:48:23.12
IV.MPAG.EHE. ML:2.2 0.00013450000000000002 1.3 AML other m 2024-08-26T09:48:24.04
IV.ATVO.HHE. ML:2.5 0.00023549999999999998 0.82 AML other m 2024-08-26T09:48:24.33
IV.SSFR.HNN. ML:2.7 0.0003185 0.96 AML other m 2024-08-26T09:48:26.75
IV.SSFR.HHN. ML:2.6 0.0002565 0.98 AML other m 2024-08-26T09:48:26.76
IV.SSFR.HHE. ML:2.8 0.000352 0.22 AML other m 2024-08-26T09:48:27.70
IV.SSFR.HNE. ML:2.7 0.0003215 0.26 AML other m 2024-08-26T09:48:27.71
IV.ATFO.HHN. ML:2.5 0.00023249999999999999 0.6 AML other m 2024-08-26T09:48:28.83
IV.ATFO.HHE. ML:2.5 0.00022299999999999997 0.56 AML other m 2024-08-26T09:48:28.70
IV.ATMI.HHE. ML:2.6 0.000345 0.52 AML other m 2024-08-26T09:48:29.32
IV.ASSB.HHE. ML:2.3 0.00008365 0.42 AML other m 2024-08-26T09:48:37.61
IV.MAGA.HHN. ML:2.8 0.0001955 1.64 AML other m 2024-08-26T09:48:40.03
IV.CESX.HHN. ML:2.4 0.0000703 0.56 AML other m 2024-08-26T09:48:41.26
IV.MAGA.HHE. ML:3.0 0.0003025 1.5 AML other m 2024-08-26T09:48:41.03
IV.CESX.HHE. ML:2.4 0.0000826 1.52 AML other m 2024-08-26T09:48:42.13
IV.ASSB.HHN. ML:2.2 0.00007135 0.5 AML other m 2024-08-26T09:48:43.97
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
Waveforms Seismic signals in miniseed + resp format Download