Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 28-05-2020 and time 16:04:52 (UTC) in region 6 km NE Cesena (FC)

A magnitude ML 1.6 earthquake occured in region: 6 km NE Cesena (FC), on

  • 28-05-2020 16:04:52 (UTC)
  • 28-05-2020 18:04:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1880, 12.2660 at 28 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
Cesena FC 6 96758 96758
Gambettola FC 10 10660 107418
Cesenatico FC 11 25796 133214
Cervia RA 11 28940 162154
Forlimpopoli FC 11 13290 175444
Bertinoro FC 11 11059 186503
Montiano FC 12 1716 188219
Gatteo FC 13 9068 197287
Longiano FC 14 7126 204413
San Mauro Pascoli FC 15 11690 216103
Savignano sul Rubicone FC 15 17766 233869
Bellaria-Igea Marina RN 16 19519 253388
Roncofreddo FC 17 3386 256774
Meldola FC 18 9970 266744
Forlì FC 18 117913 384657
Borghi FC 19 2843 387500

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NE of Cesena (96758 inhabitants)
18 Km E of Forlì (117913 inhabitants)
26 Km S of Ravenna (159116 inhabitants)
28 Km NW of Rimini (147750 inhabitants)
32 Km E of Faenza (58541 inhabitants)
48 Km E of Imola (69797 inhabitants)
60 Km NW of Pesaro (94582 inhabitants)
71 Km NW of Fano (60888 inhabitants)
81 Km E of Bologna (386663 inhabitants)
86 Km NE of Arezzo (99543 inhabitants)
89 Km SE of Ferrara (133155 inhabitants)
93 Km E of Firenze (382808 inhabitants)
99 Km E of Scandicci (50609 inhabitants)
99 Km E of Prato (191150 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 1.6 2020-05-28
16:04:52		 44.1882 12.2662 28 2020-11-19
12:36:52		 Bollettino Sismico Italiano INGV 80858301
Reviewed
Rev100 		ML 1.6 2020-05-28
16:04:51		 44.2113 12.2882 28 2020-05-28
16:17:14		 Sala Sismica INGV-Roma 79660711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-28 16:04:52 ± 0.18
Latitude 44.1882 ± 0.0090
Longitude 12.2662 ± 0.0075
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80858301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 951
Semi-minor axis of confidence ellipse (meter) 327
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 191
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.27794
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 79660711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-28 16:17:14

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 80858301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-07 11:10:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2020-05-28T16:06:46.44 3.0 undecidable manual Sn 1.37 0
IX.STN3.HHZ.02 2020-05-28T16:06:44.86 3.0 undecidable manual Sn -5.38 0
IV.RESU.HHZ. 2020-05-28T16:06:44.63 3.0 undecidable manual P 0
IV.PLLN.EHZ. 2020-05-28T16:06:42.84 3.0 negative manual Pg 17.98 0
IV.MRVN.HHZ. 2020-05-28T16:06:39.29 3.0 undecidable manual Sn -7.08 0
MN.CLTB.HHZ. 2020-05-28T16:06:31.79 3.0 negative manual Pn 2.99 0
IV.EPZF.HHZ. 2020-05-28T16:06:27.28 3.0 positive manual Pn -1.81 0
IV.PIPA.HHZ. 2020-05-28T16:06:16.15 3.0 undecidable manual S 0
IV.PIPA.HHZ. 2020-05-28T16:06:12.55 3.0 undecidable manual P 0
IV.ZONE.HHZ. 2020-05-28T16:06:00.21 3.0 undecidable manual Sg 2.66 0
OX.DRE.HHZ. 2020-05-28T16:05:59.30 3.0 undecidable manual Sg 0.04 0
IV.EUCT.HNZ. 2020-05-28T16:05:31.97 3.0 undecidable manual Pn -0.49 0
OX.DRE.HHZ. 2020-05-28T16:05:27.71 3.0 positive manual Pn -2.57 0
CR.BRJN.HHN. 2020-05-28T16:05:15.32 0.3 undecidable manual P 55 141.8469 54 0.32 65
IV.PIEI.HHZ. 2020-05-28T16:05:15.60 0.3 undecidable manual S 163 75.4689 105 0.22 74
IV.RUFI.EHZ. 2020-05-28T16:05:14.63 0.3 undecidable manual S 238 71.7726 105 0.21 76
IV.MPAG.EHZ. 2020-05-28T16:05:14.97 0.6 undecidable manual S 147 73.4709 105 0.11 51
IV.RINC.HHZ. 2020-05-28T16:05:12.19 0.3 undecidable manual S 238 62.2932 108 0.19 77
IV.ASQU.HHZ. 2020-05-28T16:05:11.20 0.1 undecidable manual S 221 57.6978 110 0.36 100
IV.PESA.HHE. 2020-05-28T16:05:10.32 0.1 undecidable manual S 121 53.3022 111 0.58 93
IV.LMD.HHZ. 2020-05-28T16:05:07.78 0.3 undecidable manual S 255 46.1205 115 -0.2 78
IV.BRIS.HHZ. 2020-05-28T16:05:07.20 0.3 undecidable manual S 276 39.9267 119 0.71 70
IV.SFI.HNN. 2020-05-28T16:05:07.74 0.3 undecidable manual S 227 45.9207 115 -0.17 79
IV.PIEI.HHZ. 2020-05-28T16:05:05.31 0.3 undecidable manual P 163 75.4689 105 -0.28 73
IV.VISG.HHZ. 2020-05-28T16:05:04.67 0.6 undecidable manual P 270 66.1893 107 0.47 48
IV.RUFI.EHZ. 2020-05-28T16:05:04.69 0.3 undecidable manual P 238 71.7726 105 -0.34 72
IV.MPAG.EHZ. 2020-05-28T16:05:04.85 0.6 undecidable manual P 147 73.4709 105 -0.44 47
IV.RINC.HHZ. 2020-05-28T16:05:03.39 0.1 undecidable manual P 238 62.2932 108 -0.25 100
IV.PESA.HHE. 2020-05-28T16:05:02.32 0.6 undecidable manual P 121 53.3022 111 -0.01 54
IV.ASQU.HHZ. 2020-05-28T16:05:02.54 0.3 undecidable manual P 221 57.6978 110 -0.43 73
IV.BLLA.EHZ. 2020-05-28T16:05:01.13 0.6 undecidable manual S 107 16.9719 145 -0.71 49
IV.CPGN.EHZ. 2020-05-28T16:05:00.83 0.3 undecidable manual P 174 43.1235 117 -0.07 81
IV.SFI.HNN. 2020-05-28T16:05:00.94 0.3 undecidable manual P 227 45.9207 115 -0.33 76
IV.LMD.HHZ. 2020-05-28T16:05:00.91 0.3 undecidable manual P 255 46.1205 115 -0.4 75
IV.BRIS.HHZ. 2020-05-28T16:05:00.78 0.3 undecidable manual P 276 39.9267 119 0.32 78
IV.RSM2.HHE. 2020-05-28T16:04:59.51 0.3 undecidable manual P 153 31.2465 126 0.19 81
IV.BLLA.EHZ. 2020-05-28T16:04:56.76 1.0 undecidable manual P 107 16.9719 145 -1.01 21
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHE. ML:0.0 0.00012133035 0.3584 AML other m 2020-05-28T16:05:10.32
IV.BRIS.HHN. ML:0.0 0.000078060655 1.7568 AML other m 2020-05-28T16:05:11.06
IV.PIEI.HHN. ML:0.0 0.000062345995 0.2176 AML other m 2020-05-28T16:05:17.50
IV.PIEI.HHE. ML:0.0 0.000075000545 0.2816 AML other m 2020-05-28T16:05:17.77
IV.LMD.HHN. ML:1.9 0.00018646705 0.2304 AML other m 2020-05-28T16:05:09.02
IV.LMD.HHE. ML:1.7 0.00013643385 0.1792 AML other m 2020-05-28T16:05:10.80
IV.ASQU.HHN. ML:1.8 0.00012925922000000002 0.256 AML other m 2020-05-28T16:05:11.35
IV.ASQU.HHE. ML:1.5 0.00006443065000000001 0.2432 AML other m 2020-05-28T16:05:11.85
IV.RINC.HHE. ML:1.7 0.000095165935 0.4096 AML other m 2020-05-28T16:05:13.04
IV.RINC.HHN. ML:1.6 0.000066573275 0.3456 AML other m 2020-05-28T16:05:13.64
IV.RUFI.EHN. ML:1.3 0.00003200401 0.4096 AML other m 2020-05-28T16:05:15.88
IV.MPAG.EHE. ML:1.4 0.000034611495 0.2048 AML other m 2020-05-28T16:05:17.96
IV.MPAG.EHN. ML:1.3 0.00002775984 0.384 AML other m 2020-05-28T16:05:21.68
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