Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 02-05-2020 and time 08:58:02 (UTC) in region 3 km W Cotignola (RA)

A magnitude ML 1.5 earthquake occured in region: 3 km W Cotignola (RA), on

  • 02-05-2020 08:58:02 (UTC)
  • 02-05-2020 10:58:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3720, 11.9070 at 26 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 3 7474 7474
Solarolo RA 5 4488 11962
Lugo RA 6 32390 44352
Bagnara di Romagna RA 7 2429 46781
Bagnacavallo RA 8 16739 63520
Mordano BO 8 4760 68280
Sant'Agata sul Santerno RA 9 2862 71142
Faenza RA 10 58541 129683
Russi RA 10 12247 141930
Castel Bolognese RA 10 9554 151484
Massa Lombarda RA 10 10653 162137
Fusignano RA 12 8222 170359
Imola BO 15 69797 240156
Conselice RA 17 9856 250012
Riolo Terme RA 18 5720 255732
Alfonsine RA 18 12038 267770
Castel Guelfo di Bologna BO 19 4455 272225
Forlì FC 20 117913 390138
Brisighella RA 20 7639 397777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km N of Faenza (58541 inhabitants)
15 Km E of Imola (69797 inhabitants)
20 Km NW of Forlì (117913 inhabitants)
24 Km W of Ravenna (159116 inhabitants)
37 Km NW of Cesena (96758 inhabitants)
47 Km E of Bologna (386663 inhabitants)
56 Km SE of Ferrara (133155 inhabitants)
63 Km NW of Rimini (147750 inhabitants)
78 Km S of Rovigo (51867 inhabitants)
84 Km E of Modena (184973 inhabitants)
85 Km NE of Prato (191150 inhabitants)
85 Km NE of Firenze (382808 inhabitants)
89 Km NE of Scandicci (50609 inhabitants)
93 Km NE of Pistoia (90315 inhabitants)
93 Km E of Carpi (70699 inhabitants)
95 Km NW of Pesaro (94582 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 1.5 2020-05-02
08:58:02		 44.3722 11.9067 26 2020-11-19
12:36:44		 Bollettino Sismico Italiano INGV 78945041
Reviewed
Rev100 		ML 1.6 2020-05-02
08:58:02		 44.3773 11.9507 26 2020-05-02
09:07:04		 Sala Sismica INGV-Roma 78753471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-02 08:58:02 ± 0.22
Latitude 44.3722 ± 0.0108
Longitude 11.9067 ± 0.0151
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78945041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1205
Semi-minor axis of confidence ellipse (meter) 899
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 258
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.76173
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 78945041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-08 07:34:52

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 78753471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-02 09:07:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RUFI.EHZ. 2020-05-02T08:58:24.03 0.3 undecidable manual S 208 67.1772 105 0.41 65
IV.ASQU.HHE. 2020-05-02T08:58:23.48 0.6 undecidable manual S 188 64.491 106 0.54 42
IV.RINC.HHE. 2020-05-02T08:58:21.79 0.6 undecidable manual S 204 58.8966 108 0.28 45
IV.SEI.HHZ. 2020-05-02T08:58:21.04 0.6 undecidable manual S 231 56.0994 109 0.26 45
IV.RONT.HHZ. 2020-05-02T08:58:21.01 0.6 undecidable manual S 222 56.3991 108 0.14 46
IV.SFI.EHZ. 2020-05-02T08:58:19.57 0.6 undecidable manual S 185 52.1034 110 -0.2 46
IV.PARC.HHE. 2020-05-02T08:58:17.99 0.3 undecidable manual P 162 84.5487 102 0.61 59
IV.VISG.HHZ. 2020-05-02T08:58:17.30 0.6 undecidable manual S 242 42.624 115 -0.15 48
IV.LMD.HHZ. 2020-05-02T08:58:15.36 0.3 undecidable manual S 206 36.3414 119 -0.59 64
IV.RUFI.EHZ. 2020-05-02T08:58:14.74 0.3 undecidable manual P 208 67.1772 105 -0.04 70
IV.ASQU.HHE. 2020-05-02T08:58:14.29 0.3 undecidable manual P 188 64.491 106 -0.09 69
IV.RINC.HHE. 2020-05-02T08:58:14.02 0.3 undecidable manual P 204 58.8966 108 0.46 65
IV.SEI.HHZ. 2020-05-02T08:58:13.13 0.3 undecidable manual P 231 56.0994 109 0 71
IV.IMOL.EHZ. 2020-05-02T08:58:12.02 0.3 undecidable manual S 264 13.0758 150 0.58 67
IV.SFI.EHZ. 2020-05-02T08:58:12.24 0.1 undecidable manual P 185 52.1034 110 -0.32 90
IV.BRIS.HHZ. 2020-05-02T08:58:12.11 0.3 undecidable manual S 214 19.7691 138 -0.38 71
IV.RONT.HHZ. 2020-05-02T08:58:12.84 0.6 undecidable manual P 222 56.3991 108 -0.35 45
IV.FAEN.HNZ. 2020-05-02T08:58:11.04 0.6 undecidable manual S 194 9.4794 158 0.03 52
IV.VISG.HHZ. 2020-05-02T08:58:10.99 0.1 undecidable manual P 242 42.624 115 -0.23 94
IV.LMD.HHZ. 2020-05-02T08:58:09.93 0.1 undecidable manual P 206 36.3414 119 -0.42 91
IV.BRIS.HHZ. 2020-05-02T08:58:08.16 0.1 undecidable manual P 214 19.7691 138 -0.19 98
IV.IMOL.EHZ. 2020-05-02T08:58:07.88 0.1 negative manual P 264 13.0758 150 0.14 100
IV.FAEN.HNZ. 2020-05-02T08:58:07.93 0.6 undecidable manual P 194 9.4794 158 0.43 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IMOL.HNN. ML:2.4 0.0014239325 0.192 AML other m 2020-05-02T08:58:12.49
IV.IMOL.HNE. ML:2.3 0.0010314757999999999 0.128 AML other m 2020-05-02T08:58:12.81
IV.BRIS.HHE. ML:1.9 0.0003765833 0.2752 AML other m 2020-05-02T08:58:13.17
IV.BRIS.HHN. ML:1.5 0.0001481269 0.2048 AML other m 2020-05-02T08:58:14.20
IV.LMD.HHE. ML:1.7 0.00015002115 0.32 AML other m 2020-05-02T08:58:16.02
IV.LMD.HHN. ML:1.5 0.000089273935 0.2368 AML other m 2020-05-02T08:58:17.30
IV.SFI.EHN. ML:1.2 0.000036487749999999996 0.2624 AML other m 2020-05-02T08:58:20.81
IV.VISG.HHN. ML:1.1 0.000034888375 0.16 AML other m 2020-05-02T08:58:21.13
IV.SFI.EHE. ML:1.3 0.000041748095 0.2816 AML other m 2020-05-02T08:58:21.34
IV.VISG.HHE. ML:1.1 0.000036427855 0.32 AML other m 2020-05-02T08:58:22.40
IV.SEI.HHN. ML:1.6 0.000085649825 0.384 AML other m 2020-05-02T08:58:23.41
IV.SEI.HHE. ML:1.4 0.00005686069000000001 0.3008 AML other m 2020-05-02T08:58:24.28
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