Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-07-2020 and time 21:50:49 (UTC) in region 8 km E Forlimpopoli (FC)

A magnitude ML 1.4 earthquake occured in region: 8 km E Forlimpopoli (FC), on

  • 12-07-2020 21:50:49 (UTC)
  • 12-07-2020 23:50:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2220, 12.2160 at 30 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
Forlimpopoli FC 8 13290 13290
Cesena FC 10 96758 110048
Bertinoro FC 10 11059 121107
Cervia RA 12 28940 150047
Forlì FC 14 117913 267960
Cesenatico FC 15 25796 293756
Gambettola FC 15 10660 304416
Meldola FC 16 9970 314386
Montiano FC 17 1716 316102
Gatteo FC 18 9068 325170
Longiano FC 19 7126 332296

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km N of Cesena (96758 inhabitants)
14 Km E of Forlì (117913 inhabitants)
22 Km S of Ravenna (159116 inhabitants)
28 Km E of Faenza (58541 inhabitants)
33 Km NW of Rimini (147750 inhabitants)
43 Km E of Imola (69797 inhabitants)
66 Km NW of Pesaro (94582 inhabitants)
76 Km E of Bologna (386663 inhabitants)
77 Km NW of Fano (60888 inhabitants)
83 Km SE of Ferrara (133155 inhabitants)
88 Km NE of Arezzo (99543 inhabitants)
92 Km NE of Firenze (382808 inhabitants)
97 Km E of Prato (191150 inhabitants)
97 Km NE of Scandicci (50609 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 1.4 2020-07-12
21:50:49		 44.2217 12.2165 30 2020-11-19
12:37:06		 Bollettino Sismico Italiano INGV 84257511
Reviewed
Rev100 		ML 1.5 2020-07-12
21:50:48		 44.2737 12.1642 34 2020-07-12
22:23:16		 Sala Sismica INGV-Roma 80989521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-12 21:50:49 ± 0.58
Latitude 44.2217 ± 0.0207
Longitude 12.2165 ± 0.0238
Depth (km) 30 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84257511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1995
Semi-minor axis of confidence ellipse (meter) 1468
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 2000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 216
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63672
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 84257511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-15 23:00:02

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 80989521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-12 22:23:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-07-12T21:52:31.79 3.0 undecidable manual Sg 25.459999 0
AC.VLO.HHZ. 2020-07-12T21:52:22.02 3.0 undecidable manual Pn 5.61 0
IV.PTRJ.HNZ. 2020-07-12T21:52:16.67 3.0 undecidable manual Sn -5.62 0
IV.LPEL.HHZ. 2020-07-12T21:52:08.48 3.0 undecidable manual Sn 4.02 0
IV.PTRJ.HHZ. 2020-07-12T21:51:55.33 3.0 undecidable manual Pg 18.940001 0
IV.RIBO.EHZ.01 2020-07-12T21:51:43.66 3.0 undecidable manual Sg 1.17 0
IV.ROSPO.HHZ. 2020-07-12T21:51:41.15 3.0 negative manual Pg 13.73 0
IV.SGG.HHZ. 2020-07-12T21:51:39.60 3.0 undecidable manual Pn 4.04 0
IV.IMI.HHZ. 2020-07-12T21:51:33.04 3.0 negative manual Pg 3.7 0
IV.LPEL.HHZ. 2020-07-12T21:51:32.94 3.0 negative manual Pg 6.57 0
ST.GAGG.HHZ. 2020-07-12T21:51:19.93 3.0 undecidable manual Sn -0.17 0
IV.RONT.HHN. 2020-07-12T21:51:12.15 0.6 undecidable manual S 248 67.377 109 1.69 26
IV.CESX.HHZ. 2020-07-12T21:51:12.06 3.0 undecidable manual Pn -3.35 0
IV.RUFI.EHE. 2020-07-12T21:51:11.52 0.6 undecidable manual S 233 70.6737 108 0.23 48
IV.VISG.HHZ. 2020-07-12T21:51:10.73 0.6 undecidable manual S 267 62.2932 111 1.54 29
IV.PE3.EHZ. 2020-07-12T21:51:10.31 0.6 undecidable manual S 159 62.493 111 1.09 36
IV.PARC.HHZ. 2020-07-12T21:51:09.95 0.6 undecidable manual S 178 63.5919 110 0.44 46
IV.ASQU.HHZ. 2020-07-12T21:51:07.40 0.6 undecidable manual S 216 58.1973 112 -0.76 40
IV.SFI.EHZ. 2020-07-12T21:51:04.88 0.6 undecidable manual S 220 45.8208 118 -0.3 48
IV.LMD.HHZ. 2020-07-12T21:51:04.07 0.6 undecidable manual S 249 43.623 120 -0.58 44
IV.RONT.HHN. 2020-07-12T21:51:02.26 0.3 undecidable manual P 248 67.377 109 0.8 61
IV.RUFI.EHE. 2020-07-12T21:51:02.04 0.3 undecidable manual P 233 70.6737 108 0.1 73
IV.PE3.EHZ. 2020-07-12T21:51:01.04 0.3 undecidable manual P 159 62.493 111 0.29 71
IV.VISG.HHZ. 2020-07-12T21:51:01.56 0.3 undecidable manual P 267 62.2932 111 0.84 60
IV.PARC.HHZ. 2020-07-12T21:51:00.91 0.1 undecidable manual P 178 63.5919 110 -0.01 100
IV.RINC.HHN. 2020-07-12T21:51:00.24 0.3 undecidable manual P 233 61.1943 111 -0.32 70
IV.ASQU.HHZ. 2020-07-12T21:50:59.59 0.1 undecidable manual P 216 58.1973 112 -0.54 89
IV.BRSN.EHZ. 2020-07-12T21:50:58.58 0.6 undecidable manual S 303 12.876 155 -0.28 51
IV.LMD.HHZ. 2020-07-12T21:50:57.52 0.3 undecidable manual P 249 43.623 120 -0.58 67
IV.SFI.EHZ. 2020-07-12T21:50:57.65 0.1 undecidable manual P 220 45.8208 118 -0.76 83
IV.BRSN.EHZ. 2020-07-12T21:50:54.36 0.3 undecidable manual P 303 12.876 155 -0.4 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRSN.HNN. ML:1.8 0.0002799698 0.5152 AML other m 2020-07-12T21:50:58.42
IV.BRSN.EHN. ML:1.6 0.000170741543 0.5504 AML other m 2020-07-12T21:50:58.68
IV.BRSN.HNE. ML:1.7 0.00023713835 0.5152 AML other m 2020-07-12T21:50:58.00
IV.BRSN.EHE. ML:1.8 0.0003035598 0.3104 AML other m 2020-07-12T21:50:59.16
IV.LMD.HHE. ML:1.3 0.000044689185 0.1792 AML other m 2020-07-12T21:51:05.72
IV.LMD.HHN. ML:1.4 0.000056095795000000006 0.1792 AML other m 2020-07-12T21:51:05.84
IV.SFI.EHE. ML:1.5 0.000067743285 0.1536 AML other m 2020-07-12T21:51:06.20
IV.SFI.EHN. ML:1.2 0.00004086092 0.1664 AML other m 2020-07-12T21:51:06.33
IV.SFI.HNE. ML:1.9 0.00017890120000000001 0.6144 AML other m 2020-07-12T21:51:06.43
IV.ASQU.HHN. ML:1.1 0.000023910704999999998 0.1792 AML other m 2020-07-12T21:51:09.22
IV.ASQU.HHE. ML:0.9 0.00001676588 0.2816 AML other m 2020-07-12T21:51:09.58
IV.PARC.HHN. ML:0.8 0.000008851921 1.0016 AML other m 2020-07-12T21:51:10.11
IV.PARC.HHE. ML:1.2 0.000025930004999999998 1.0944 AML other m 2020-07-12T21:51:12.71
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