Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-07-2020 and time 17:55:37 (Italy) in region 1 km NW Cotignola (RA)

A magnitude ML 2.0 earthquake occured in region: 1 km NW Cotignola (RA), on

  • 04-07-2020 15:55:37 (UTC)
  • 04-07-2020 17:55:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3930, 11.9360 at 27 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
Cotignola RA 1 7474 7474
Lugo RA 4 32390 39864
Bagnacavallo RA 4 16739 56603
Russi RA 8 12247 68850
Solarolo RA 8 4488 73338
Sant'Agata sul Santerno RA 8 2862 76200
Bagnara di Romagna RA 9 2429 78629
Fusignano RA 9 8222 86851
Mordano BO 10 4760 91611
Massa Lombarda RA 11 10653 102264
Faenza RA 13 58541 160805
Castel Bolognese RA 14 9554 170359
Alfonsine RA 15 12038 182397
Conselice RA 16 9856 192253
Imola BO 18 69797 262050

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NE of Faenza (58541 inhabitants)
18 Km E of Imola (69797 inhabitants)
21 Km NW of Forlì (117913 inhabitants)
21 Km W of Ravenna (159116 inhabitants)
37 Km NW of Cesena (96758 inhabitants)
49 Km E of Bologna (386663 inhabitants)
55 Km SE of Ferrara (133155 inhabitants)
62 Km NW of Rimini (147750 inhabitants)
76 Km S of Rovigo (51867 inhabitants)
85 Km E of Modena (184973 inhabitants)
88 Km NE of Prato (191150 inhabitants)
88 Km NE of Firenze (382808 inhabitants)
93 Km NE of Scandicci (50609 inhabitants)
94 Km E of Carpi (70699 inhabitants)
95 Km NW of Pesaro (94582 inhabitants)
96 Km NE 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
Bulletin
Rev1000 		ML 2.0 2020-07-04
15:55:37		 44.3927 11.9363 27 2020-11-19
12:36:58		 Bollettino Sismico Italiano INGV 82310251
Reviewed
Rev100 		ML 2.1 2020-07-04
15:55:35		 44.4608 11.9785 32 2020-07-04
16:18:38		 Sala Sismica INGV-Roma 80777921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-04 15:55:37 ± 0.24
Latitude 44.3927 ± 0.0135
Longitude 11.9363 ± 0.0302
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82310251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2157
Semi-minor axis of confidence ellipse (meter) 1378
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 2160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.70961
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 49
Type of magnitude ML
Reference to an origin 82310251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-06 16:23:23

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 80777921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-04 16:18:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHZ. 2020-07-04T15:57:20.50 3.0 negative manual Pn 2.86 0
IV.IFOR.HHZ. 2020-07-04T15:57:16.88 3.0 undecidable manual Sn -9.99 0
AC.VLO.HHZ. 2020-07-04T15:57:15.83 3.0 negative manual Pn 3.16 0
IV.LPEL.HHZ. 2020-07-04T15:57:14.33 3.0 undecidable manual Sg 15.51 0
IV.LAV9.HNZ. 2020-07-04T15:56:59.67 3.0 undecidable manual Sn -0.04 0
IV.SALB.HHZ. 2020-07-04T15:56:58.57 3.0 undecidable manual Pn 1.26 0
GU.RORO.HHZ. 2020-07-04T15:56:51.34 3.0 undecidable manual Sn -7.8 0
IV.CELB.HHZ. 2020-07-04T15:56:46.74 3.0 undecidable manual Sg 1.75 0
IV.EUCT.HNZ. 2020-07-04T15:56:44.85 3.0 undecidable manual Sg 5.34 0
CH.FUORN.HHZ. 2020-07-04T15:56:42.42 3.0 undecidable manual Sg 0.85 0
IX.STN3.HNZ.01 2020-07-04T15:56:40.06 3.0 positive manual Pn -5.82 0
IV.VBKN.HHZ. 2020-07-04T15:56:36.92 3.0 negative manual Pn 0.32 0
IV.VAGA.HHZ. 2020-07-04T15:56:25.18 3.0 undecidable manual Pn -3.22 0
IV.LRP.EHZ. 2020-07-04T15:56:23.96 3.0 undecidable manual Pn 0.85 0
IV.EUCT.HNZ. 2020-07-04T15:56:13.08 3.0 undecidable manual Pg 3.6 0
IV.MMO1.EHZ. 2020-07-04T15:56:07.74 3.0 undecidable manual Pg 1.69 0
ST.PANI.EHZ. 2020-07-04T15:56:07.04 0.3 undecidable manual P 346 189.7656 54 0.98 37
IV.FDMO.HHZ. 2020-07-04T15:56:07.39 3.0 positive manual Pg 3.97 0
IV.RIBO.EHZ.01 2020-07-04T15:56:05.45 3.0 positive manual Pn -0.4 0
IV.ARRO.EHZ. 2020-07-04T15:56:03.45 3.0 undecidable manual Pn -5.23 0
IV.MURB.HHZ. 2020-07-04T15:56:03.34 3.0 undecidable manual Pg 4.3 0
IV.ATFO.HHZ. 2020-07-04T15:56:00.54 3.0 undecidable manual Pg 2.84 0
IV.ZOVE.EHZ. 2020-07-04T15:55:58.15 0.3 undecidable manual P 343 122.8881 54 0.42 60
IV.PIEI.HHZ. 2020-07-04T15:55:57.76 3.0 positive manual Pg 2.4 0
IV.RONT.HHZ. 2020-07-04T15:55:57.74 0.3 undecidable manual S 222 59.6958 108 1.41 45
IV.SFI.EHZ. 2020-07-04T15:55:56.33 0.6 undecidable manual S 188 54.6009 110 1.29 32
IV.TEOL.HHZ. 2020-07-04T15:55:56.13 0.3 undecidable manual P 349 109.5126 99 0.39 63
IV.APEC.HHZ. 2020-07-04T15:55:55.05 3.0 positive manual Pg 0.16 0
IV.LMD.HHZ. 2020-07-04T15:55:51.64 0.3 undecidable manual S 208 39.4272 118 0.3 73
IV.FNVD.HHZ. 2020-07-04T15:55:49.69 0.3 undecidable manual P 249 69.2751 105 0.02 74
IV.ASQU.HHZ. 2020-07-04T15:55:49.15 0.1 undecidable manual P 190 67.1772 106 -0.21 95
IV.RUFI.EHZ. 2020-07-04T15:55:49.59 0.3 undecidable manual P 209 70.2741 105 -0.24 70
IV.RINC.HHZ. 2020-07-04T15:55:48.45 0.1 undecidable manual P 205 61.9935 107 -0.15 97
IV.BRIS.HHZ. 2020-07-04T15:55:48.22 0.3 undecidable manual S 216 22.9548 135 0.43 74
IV.RONT.HHZ. 2020-07-04T15:55:48.46 0.3 undecidable manual P 222 59.6958 108 0.2 72
IV.BRSN.HNZ. 2020-07-04T15:55:47.68 0.3 undecidable manual S 136 16.5723 145 1 58
IV.SFI.EHZ. 2020-07-04T15:55:47.18 0.1 undecidable manual P 188 54.6009 110 -0.34 95
IV.IMOL.EHZ. 2020-07-04T15:55:46.88 0.6 undecidable manual S 257 15.7731 146 0.31 51
IV.VISG.HHZ. 2020-07-04T15:55:45.73 0.3 undecidable manual P 241 45.8208 114 -0.54 68
IV.LMD.HHZ. 2020-07-04T15:55:44.70 0.1 undecidable manual P 208 39.4272 118 -0.68 87
IV.CMPO.HNN. 2020-07-04T15:55:42.51 0.6 undecidable manual P 334 23.2545 135 -0.86 41
IV.IMOL.EHZ. 2020-07-04T15:55:42.27 0.1 negative manual P 257 15.7731 146 -0.36 100
IV.BRSN.HNZ. 2020-07-04T15:55:42.29 0.1 undecidable manual P 136 16.5723 145 -0.41 100
IV.BRIS.HHZ. 2020-07-04T15:55:42.91 0.1 undecidable manual P 216 22.9548 135 -0.43 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HNN. ML:1.5 0.00014050384999999998 0.64 AML other m 2020-07-04T15:55:43.21
IV.TEOL.HHE. ML:1.6 0.0000293063 0.576 AML other m 2020-07-04T15:55:47.28
IV.IMOL.HNN. ML:2.4 0.0013946704 0.2688 AML other m 2020-07-04T15:55:47.62
IV.IMOL.HNE. ML:2.6 0.002190019 0.3584 AML other m 2020-07-04T15:55:47.71
IV.BRSN.HNE. ML:2.6 0.002166141 0.576 AML other m 2020-07-04T15:55:48.06
IV.BRSN.EHE. ML:2.6 0.0020391245 0.4864 AML other m 2020-07-04T15:55:48.11
IV.BRIS.HHN. ML:2.2 0.00068070495 0.1792 AML other m 2020-07-04T15:55:48.34
IV.TEOL.HHN. ML:1.4 0.000019949994999999997 0.4224 AML other m 2020-07-04T15:55:49.44
IV.BRSN.HNN. ML:2.7 0.0026381614999999997 0.5376 AML other m 2020-07-04T15:55:49.61
IV.BRSN.EHN. ML:2.7 0.002564158 0.5504 AML other m 2020-07-04T15:55:49.61
IV.MNTV.HNE. ML:2.9 0.00050926405 0.64 AML other m 2020-07-04T15:55:51.99
IV.LMD.HHN. ML:2.0 0.0003046937 0.1792 AML other m 2020-07-04T15:55:54.09
IV.BRIS.HHE. ML:2.2 0.00064635265 0.4224 AML other m 2020-07-04T15:55:56.49
IV.SFI.HNE. ML:1.8 0.00014684025 0.2048 AML other m 2020-07-04T15:55:57.24
IV.SFI.EHN. ML:1.7 0.000103647595 0.1664 AML other m 2020-07-04T15:55:57.40
IV.VISG.HHE. ML:1.8 0.00014474181499999998 0.1792 AML other m 2020-07-04T15:55:57.64
IV.BRIS.HNE. ML:1.3 0.000089749755 0.6144 AML other m 2020-07-04T15:55:57.98
IV.VISG.HHN. ML:1.7 0.0001280546 0.3456 AML other m 2020-07-04T15:55:58.12
IV.SFI.HNN. ML:1.8 0.00014380265 0.4608 AML other m 2020-07-04T15:55:58.55
IV.LMD.HHE. ML:2.1 0.00033103470000000004 0.2176 AML other m 2020-07-04T15:55:58.46
IV.SFI.EHE. ML:1.8 0.00012605735000000001 0.2048 AML other m 2020-07-04T15:55:58.75
IV.ZCCA.HNN. ML:2.1 0.00017956860000000003 0.64 AML other m 2020-07-04T15:55:59.53
IV.RONT.HHN. ML:2.1 0.0002353232 0.1536 AML other m 2020-07-04T15:55:59.44
IV.RONT.HHE. ML:2.0 0.00020130520000000003 0.1792 AML other m 2020-07-04T15:55:59.53
IV.MNTV.HNN. ML:2.6 0.00026789965 0.3712 AML other m 2020-07-04T15:56:00.66
IV.ASQU.HHE. ML:1.7 0.000078824775 0.2048 AML other m 2020-07-04T15:56:00.93
IV.RINC.HHE. ML:1.8 0.00010237183 0.256 AML other m 2020-07-04T15:56:01.56
IV.ASQU.HHN. ML:1.6 0.000068245215 0.3456 AML other m 2020-07-04T15:56:01.83
IV.FNVD.HHN. ML:1.7 0.000078622685 0.256 AML other m 2020-07-04T15:56:06.13
IV.ZCCA.HNE. ML:1.9 0.00010675310500000001 0.7808 AML other m 2020-07-04T15:56:06.99
IV.RUFI.EHE. ML:1.7 0.000069365755 0.3584 AML other m 2020-07-04T15:56:09.30
IV.RINC.HHN. ML:1.8 0.00011356315000000001 0.3968 AML other m 2020-07-04T15:56:09.66
IV.RUFI.EHN. ML:1.6 0.00006703141999999999 0.3968 AML other m 2020-07-04T15:56:10.07
IV.RIBO.EHE.01 ML:2.5 0.00011428537500000001 0.448 AML other m 2020-07-04T15:56:10.79
IV.APEC.HNE. ML:2.9 0.00079545725 0.96 AML other m 2020-07-04T15:56:11.64
IV.FNVD.HHE. ML:1.6 0.00007099242 0.4352 AML other m 2020-07-04T15:56:11.80
IV.APEC.HHE. ML:1.9 0.00007446979 0.32 AML other m 2020-07-04T15:56:13.23
IV.APEC.HHN. ML:1.9 0.00007776347 0.2176 AML other m 2020-07-04T15:56:15.01
IV.PIEI.HHE. ML:2.1 0.000108196645 0.256 AML other m 2020-07-04T15:56:15.17
IV.PIEI.HHN. ML:1.8 0.000057921895 0.32 AML other m 2020-07-04T15:56:15.17
IV.ATFO.HHE. ML:1.9 0.000057498965 0.384 AML other m 2020-07-04T15:56:22.34
IV.APEC.HNN. ML:3.0 0.0009053555 0.8576 AML other m 2020-07-04T15:56:22.72
IV.MURB.HHE. ML:2.2 0.00009440214500000001 0.3328 AML other m 2020-07-04T15:56:23.71
IV.ATFO.HHN. ML:2.0 0.000057852035 0.4352 AML other m 2020-07-04T15:56:25.24
IV.MURB.HHN. ML:2.3 0.00011282970000000001 0.32 AML other m 2020-07-04T15:56:26.23
IV.MURB.HNN. ML:2.3 0.00010941854 0.3712 AML other m 2020-07-04T15:56:26.85
IV.FDMO.HHN. ML:1.7 0.00001993391 0.6656 AML other m 2020-07-04T15:56:43.35
IV.MURB.HNE. ML:2.3 0.00011607916749999999 0.512 AML other m 2020-07-04T15:56:53.68
IV.FDMO.HHE. ML:1.6 0.000015861865 0.9472 AML other m 2020-07-04T15:56:53.77
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