Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-07-2023 and time 04:58:06 (Italy) in region 5 km NW Meldola (FC)

A magnitude ML 2.0 earthquake occured in region: 5 km NW Meldola (FC), on

  • 27-07-2023 02:58:06 (UTC)
  • 27-07-2023 04:58:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1710, 12.0280 at 8 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 6 9970 9970
Forlì FC 6 117913 127883
Castrocaro Terme e Terra del Sole FC 6 6426 134309
Forlimpopoli FC 8 13290 147599
Predappio FC 8 6346 153945
Bertinoro FC 9 11059 165004
Dovadola FC 12 1653 166657
Faenza RA 17 58541 225198
Cesena FC 18 96758 321956
Modigliana FC 19 4560 326516
Rocca San Casciano FC 19 1910 328426
Civitella di Romagna FC 20 3786 332212

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km S of Forlì (117913 inhabitants)
17 Km SE of Faenza (58541 inhabitants)
18 Km W of Cesena (96758 inhabitants)
31 Km SW of Ravenna (159116 inhabitants)
32 Km SE of Imola (69797 inhabitants)
45 Km W of Rimini (147750 inhabitants)
65 Km SE of Bologna (386663 inhabitants)
76 Km NE of Firenze (382808 inhabitants)
77 Km W of Pesaro (94582 inhabitants)
79 Km N of Arezzo (99543 inhabitants)
81 Km SE of Ferrara (133155 inhabitants)
81 Km E of Prato (191150 inhabitants)
82 Km NE of Scandicci (50609 inhabitants)
87 Km W of Fano (60888 inhabitants)
93 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 2.0 2023-07-27
02:58:06		 44.1708 12.0278 8 2023-07-27
03:24:22		 Sala Sismica INGV-Roma 119614651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-27 02:58:06 ± 0.11
Latitude 44.1708 ± 0.0072
Longitude 12.0278 ± 0.0075
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119614651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 686
Semi-minor axis of confidence ellipse (meter) 571
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.80854
Number of stations at which the event was observed 51
Number of stations from which data was used for origin computation 30
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 119614651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-27 03:24:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHZ. 2023-07-27T02:59:39.00 3.0 negative manual Pg 14.24 0
IV.GIUL.HHZ. 2023-07-27T02:59:21.85 3.0 undecidable manual Sn -2.67 0
GU.TRAV.HHZ. 2023-07-27T02:59:02.84 3.0 undecidable manual Pn 5.19 0
OX.ACOM.HHZ. 2023-07-27T02:58:47.51 3.0 undecidable manual Pn -0.19 0
IV.SACS.HHZ. 2023-07-27T02:58:47.86 3.0 undecidable manual S -1.45 0
OX.DRE.HHZ. 2023-07-27T02:58:42.35 3.0 positive manual Pn -1.37 0
NI.PALA.HHZ. 2023-07-27T02:58:41.12 3.0 positive manual Pn -0.67 0
OX.MPRI.HHZ. 2023-07-27T02:58:41.31 3.0 positive manual Pn -0.61 0
IV.STAL.HHZ. 2023-07-27T02:58:40.63 3.0 undecidable manual Pn -0.81 0
OX.MLN.HHZ. 2023-07-27T02:58:39.51 3.0 positive manual Pn -0.25 0
IV.SMA1.EHZ. 2023-07-27T02:58:38.55 0.1 undecidable manual P 148 200.7435 38 -0.16 63
ST.PANI.EHZ. 2023-07-27T02:58:38.23 3.0 undecidable manual Pn -0.38 0
NI.POLC.HHZ. 2023-07-27T02:58:37.50 3.0 negative manual Pn -0.38 0
IV.CTI.HHZ. 2023-07-27T02:58:37.14 3.0 positive manual Pn -0.85 0
OX.CAE.HHZ. 2023-07-27T02:58:36.90 3.0 positive manual Pn -0.64 0
ST.VARA.EHZ. 2023-07-27T02:58:36.37 3.0 positive manual Pn -0.81 0
IV.CASP.HHZ. 2023-07-27T02:58:35.82 3.0 undecidable manual P 1.34 0
IV.ZEN8.EHZ. 2023-07-27T02:58:35.07 3.0 undecidable manual Pn -0.64 0
IV.NRCA.HHZ. 2023-07-27T02:58:34.38 0.1 undecidable manual P 149 172.1943 50 -0.59 66
IV.CSP1.EHZ. 2023-07-27T02:58:32.74 0.6 positive manual P 141 152.5362 50 0.81 33
IV.FDMO.HHZ. 2023-07-27T02:58:31.87 0.1 undecidable manual P 146 151.9368 50 0.03 82
IV.MGAB.HHZ. 2023-07-27T02:58:30.84 0.6 negative manual P 177 139.7601 50 0.87 33
IV.ASSB.HHZ. 2023-07-27T02:58:30.80 3.0 undecidable manual P 135.0648 1.56 0
IV.ZOVE.EHZ. 2023-07-27T02:58:28.86 3.0 undecidable manual P -1.47 0
IV.PII.HHZ. 2023-07-27T02:58:28.72 0.6 negative manual P 248 129.9699 50 0.26 41
IV.BDI.HHZ. 2023-07-27T02:58:27.32 3.0 positive manual P 114.6963 1.21 0
IV.PARC.HHZ. 2023-07-27T02:58:26.75 0.6 undecidable manual S 164 60.2952 50 0.88 39
IV.CRE.HHZ. 2023-07-27T02:58:26.64 0.3 undecidable manual S 186 61.494 50 0.44 68
GU.POPM.HHZ. 2023-07-27T02:58:25.21 0.6 negative manual P 263 102.2199 50 1.03 33
IV.ARVD.HHZ. 2023-07-27T02:58:24.14 0.1 undecidable manual P 135 104.5176 50 -0.39 85
IV.SEI.HHZ. 2023-07-27T02:58:24.16 0.6 undecidable manual S 257 54.9006 50 -0.25 48
IV.RUFI.EHZ. 2023-07-27T02:58:24.70 0.3 undecidable manual S 228 55.4001 50 0.13 74
IV.CSNT.HHZ. 2023-07-27T02:58:23.99 0.1 undecidable manual P 218 97.3248 50 0.56 82
IV.MTRZ.HHZ. 2023-07-27T02:58:23.51 0.3 undecidable manual S 288 50.4162 50 0.27 72
IV.ATPI.EHZ. 2023-07-27T02:58:22.00 1.0 positive manual P 159 85.3479 50 0.42 22
IV.CAFI.HHZ. 2023-07-27T02:58:22.85 0.6 positive manual P 183 93.5397 50 0.01 47
IV.RINC.EHZ. 2023-07-27T02:58:22.42 0.6 undecidable manual S 227 46.0206 50 0.35 48
IV.ATVO.HHZ. 2023-07-27T02:58:22.75 0.1 undecidable manual P 161 92.6406 50 0.05 93
IV.FRON.EHZ. 2023-07-27T02:58:22.38 0.1 undecidable manual P 142 91.4418 50 -0.15 92
IV.VMGN.HHZ. 2023-07-27T02:58:21.69 0.6 undecidable manual S 239 46.2204 50 -0.41 47
IV.MPAG.EHZ. 2023-07-27T02:58:21.47 0.1 undecidable manual P 136 83.8494 50 0.12 94
IV.VISG.HHZ. 2023-07-27T02:58:21.59 3.0 undecidable manual S 0
IV.NARO.HHZ. 2023-07-27T02:58:20.20 0.6 positive manual P 144 76.2681 50 0.02 48
IV.PIEI.HHZ. 2023-07-27T02:58:20.66 0.6 negative manual P 150 81.252 50 -0.3 45
IV.MPPT.EHZ. 2023-07-27T02:58:20.57 1.0 undecidable manual P 253 78.366 50 0.06 24
IV.FNVD.HHZ. 2023-07-27T02:58:19.20 0.6 negative manual P 270 71.9724 50 -0.33 46
IV.SFI.EHZ. 2023-07-27T02:58:18.87 0.6 undecidable manual S 206 32.8449 103 0.55 46
IV.PARC.HHZ. 2023-07-27T02:58:17.66 0.1 undecidable manual P 164 60.2952 50 -0.07 99
IV.CRE.HHZ. 2023-07-27T02:58:17.65 0.6 undecidable manual P 186 61.494 50 -0.26 47
IV.IMOL.EHZ. 2023-07-27T02:58:17.99 0.3 undecidable manual S 313 30.8469 104 0.34 74
IV.SEI.HHZ. 2023-07-27T02:58:16.21 0.1 undecidable manual P 257 54.9006 50 -0.68 85
IV.MTRZ.HHZ. 2023-07-27T02:58:16.85 0.1 positive manual P 288 50.4162 50 0.64 87
IV.RUFI.EHZ. 2023-07-27T02:58:16.38 0.3 negative manual P 228 55.4001 50 -0.6 66
IV.BOSL.HHZ. 2023-07-27T02:58:16.89 0.6 negative manual P 243 58.497 50 -0.56 44
IV.CPGN.EHZ. 2023-07-27T02:58:16.57 1.0 undecidable manual P 150 47.2194 50 0.87 20
IV.RINC.EHZ. 2023-07-27T02:58:15.01 0.1 negative manual P 227 46.0206 50 -0.52 92
IV.VISG.HHZ. 2023-07-27T02:58:14.72 3.0 negative manual P -0.59 0
IV.VMGN.HHZ. 2023-07-27T02:58:14.94 0.1 negative manual P 239 46.2204 50 -0.61 89
IV.SFI.EHZ. 2023-07-27T02:58:13.11 0.1 negative manual P 206 32.8449 103 -0.26 100
IV.IMOL.EHZ. 2023-07-27T02:58:12.85 1.0 negative manual P 313 30.8469 104 -0.13 26
IV.BRSN.HNZ. 2023-07-27T02:58:11.55 0.3 undecidable manual S 18 13.2756 121 -0.39 75
IV.BRSN.HNZ. 2023-07-27T02:58:10.14 0.1 undecidable manual P 18 13.2756 121 0.46 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRSN.HNE. ML:2.9 0.00936 0.22 AML other m 2023-07-27T02:58:14.71
IV.BRSN.EHN. ML:3.0 0.01175 0.22 AML other m 2023-07-27T02:58:14.71
IV.BRSN.HNN. ML:3.0 0.011 0.2 AML other m 2023-07-27T02:58:14.70
IV.BRSN.EHE. ML:2.8 0.008129999999999998 0.26 AML other m 2023-07-27T02:58:14.71
IV.SFI.HNN. ML:2.2 0.000744 1.1 AML other m 2023-07-27T02:58:19.04
IV.SFI.EHN. ML:2.2 0.0007569999999999999 1.1 AML other m 2023-07-27T02:58:19.04
IV.SFI.HNE. ML:2.0 0.000455 1.14 AML other m 2023-07-27T02:58:19.03
IV.SFI.EHE. ML:2.0 0.000448 1.12 AML other m 2023-07-27T02:58:19.04
IV.VMGN.HHN. ML:1.7 0.0001475 0.68 AML other m 2023-07-27T02:58:22.52
IV.VMGN.HHE. ML:1.7 0.000154 0.54 AML other m 2023-07-27T02:58:23.33
IV.VISG.HHN. ML:2.0 0.0002575 0.3 AML other m 2023-07-27T02:58:24.19
IV.VISG.HHE. ML:1.7 0.000157 0.28 AML other m 2023-07-27T02:58:24.79
IV.SEI.HHE. ML:2.2 0.000382 0.42 AML other m 2023-07-27T02:58:25.65
IV.RUFI.EHE. ML:1.5 0.00007045 0.44 AML other m 2023-07-27T02:58:25.69
IV.RUFI.EHN. ML:1.9 0.00017099999999999998 0.78 AML other m 2023-07-27T02:58:25.37
IV.MTRZ.HHE. ML:2.5 0.0008105 1.66 AML other m 2023-07-27T02:58:26.03
IV.MTRZ.HHN. ML:2.2 0.000434 0.98 AML other m 2023-07-27T02:58:27.45
IV.SEI.HHN. ML:2.2 0.0004095 0.42 AML other m 2023-07-27T02:58:27.80
IV.PARC.HHN. ML:1.6 0.00008605 0.36 AML other m 2023-07-27T02:58:28.08
IV.CRE.HHN. ML:2.1 0.000275 0.24 AML other m 2023-07-27T02:58:28.15
IV.BOSL.HHN. ML:1.3 0.00003965 0.28 AML other m 2023-07-27T02:58:30.87
IV.FNVD.HHE. ML:2.2 0.00022399999999999997 0.64 AML other m 2023-07-27T02:58:31.02
IV.CRE.HHE. ML:1.8 0.00011495 0.56 AML other m 2023-07-27T02:58:31.40
IV.FNVD.HHN. ML:2.1 0.000222 0.92 AML other m 2023-07-27T02:58:32.68
IV.BOSL.HHE. ML:1.2 0.000032850000000000006 0.34 AML other m 2023-07-27T02:58:33.07
IV.MPPT.EHN. ML:1.6 0.0000571 1.6 AML other m 2023-07-27T02:58:36.81
IV.MPAG.EHE. ML:1.9 0.00009604999999999999 0.52 AML other m 2023-07-27T02:58:37.51
IV.PARC.HHE. ML:1.6 0.00008265 1.48 AML other m 2023-07-27T02:58:38.76
IV.PIEI.HHN. ML:1.7 0.0000761 1.12 AML other m 2023-07-27T02:58:38.79
IV.PIEI.HHE. ML:1.9 0.00010255 0.44 AML other m 2023-07-27T02:58:38.25
IV.NARO.HHE. ML:1.6 0.00006395000000000001 1.4 AML other m 2023-07-27T02:58:38.09
IV.NARO.HHN. ML:1.8 0.00008360000000000001 0.64 AML other m 2023-07-27T02:58:38.51
IV.MPPT.EHE. ML:1.7 0.0000629 0.74 AML other m 2023-07-27T02:58:39.57
IV.FRON.EHE. ML:1.9 0.00008929999999999999 0.76 AML other m 2023-07-27T02:58:40.43
IV.FRON.EHN. ML:1.9 0.00008804999999999999 0.44 AML other m 2023-07-27T02:58:40.30
IV.MPAG.EHN. ML:1.9 0.0000936 1.1 AML other m 2023-07-27T02:58:40.32
IV.CAFI.HHE. ML:1.9 0.00009235 1.02 AML other m 2023-07-27T02:58:40.97
IV.CSNT.HHN. ML:2.1 0.0001248 0.58 AML other m 2023-07-27T02:58:40.84
IV.ATVO.HHE. ML:2.0 0.00009975 0.42 AML other m 2023-07-27T02:58:40.74
IV.ATPI.EHN. ML:1.8 0.0000771 0.88 AML other m 2023-07-27T02:58:41.34
IV.CAFI.HHN. ML:1.8 0.00006515 0.66 AML other m 2023-07-27T02:58:41.37
IV.ATPI.EHE. ML:1.8 0.0000924 0.66 AML other m 2023-07-27T02:58:41.55
IV.CSNT.HHE. ML:2.0 0.00010395 0.8 AML other m 2023-07-27T02:58:42.75
GU.POPM.HHE. ML:1.9 0.00007025000000000001 1.02 AML other m 2023-07-27T02:58:43.23
IV.ATVO.HHN. ML:1.9 0.0000892 1.58 AML other m 2023-07-27T02:58:43.85
GU.POPM.HHN. ML:1.9 0.0000717 0.7 AML other m 2023-07-27T02:58:44.36
IV.BDI.HHE. ML:1.8 0.000055150000000000006 0.62 AML other m 2023-07-27T02:58:44.62
IV.BDI.HHN. ML:1.9 0.00006884999999999999 0.46 AML other m 2023-07-27T02:58:46.98
IV.PII.HHE. ML:2.2 0.0000996 0.9 AML other m 2023-07-27T02:58:47.75
IV.PII.HHN. ML:2.2 0.00011105000000000002 1.1 AML other m 2023-07-27T02:58:51.07
IV.MGAB.HHE. ML:2.2 0.00008549999999999999 0.62 AML other m 2023-07-27T02:58:52.70
IV.ZEN8.EHE. ML:1.9 0.000023549999999999996 1.66 AML other m 2023-07-27T02:58:52.04
IV.ZEN8.EHN. ML:2.0 0.000028699999999999996 1.42 AML other m 2023-07-27T02:58:53.86
IV.MGAB.HHN. ML:2.1 0.00006759999999999999 1.64 AML other m 2023-07-27T02:58:55.16
IV.ASSB.HHE. ML:1.8 0.00003955 0.46 AML other m 2023-07-27T02:58:55.20
IV.FDMO.HHN. ML:2.0 0.000043700000000000005 0.42 AML other m 2023-07-27T02:59:00.50
IV.FDMO.HHE. ML:1.9 0.0000405 1.24 AML other m 2023-07-27T02:59:03.91
IV.ASSB.HHN. ML:1.8 0.00003585 0.54 AML other m 2023-07-27T02:59:03.48
OX.MPRI.HHE. ML:2.5 0.000071 0.4 AML other m 2023-07-27T02:59:08.21
IV.CTI.HHN. ML:2.4 0.0000649 0.3 AML other m 2023-07-27T02:59:09.24
NI.POLC.HHE. ML:2.5 0.00008340000000000001 1.24 AML other m 2023-07-27T02:59:10.63
OX.DRE.HHE. ML:2.7 0.00008335 0.7 AML other m 2023-07-27T02:59:10.15
OX.DRE.HHN. ML:2.6 0.00006964999999999999 0.74 AML other m 2023-07-27T02:59:11.51
IV.CTI.HHE. ML:2.4 0.000057749999999999994 0.54 AML other m 2023-07-27T02:59:12.51
OX.CAE.HHN. ML:2.0 0.00003175 1.06 AML other m 2023-07-27T02:59:16.58
OX.ACOM.HHE. ML:2.5 0.0000402 0.84 AML other m 2023-07-27T02:59:18.38
OX.ACOM.HHN. ML:2.4 0.0000356 0.66 AML other m 2023-07-27T02:59:20.63
OX.CAE.HHE. ML:2.3 0.0000528 0.7 AML other m 2023-07-27T02:59:21.50
NI.POLC.HHN. ML:2.7 0.000125 1.36 AML other m 2023-07-27T02:59:26.02
OX.MPRI.HHN. ML:2.4 0.0000566 0.48 AML other m 2023-07-27T02:59:27.70
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