Earthquake with magnitude of Md 3.0 on date 01-04-1987 and time 13:04:31 (Italy) in region 3 km W Cesena (FC)

A magnitude Md 3.0 earthquake occured in region: 3 km W Cesena (FC), on

  • 01-04-1987 11:04:31 (UTC)
  • 01-04-1987 13:04:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.13, 12.21 at 10 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.

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 3 96758 96758
Bertinoro FC 6 11059 107817
Forlimpopoli FC 9 13290 121107
Montiano FC 9 1716 122823
Gambettola FC 11 10660 133483
Longiano FC 11 7126 140609
Meldola FC 12 9970 150579
Roncofreddo FC 13 3386 153965
Gatteo FC 14 9068 163033
Savignano sul Rubicone FC 16 17766 180799
Sogliano al Rubicone FC 16 3195 183994
Borghi FC 16 2843 186837
San Mauro Pascoli FC 17 11690 198527
Cesenatico FC 17 25796 224323
Forlì FC 17 117913 342236
Cervia RA 18 28940 371176
Predappio FC 19 6346 377522
Mercato Saraceno FC 20 6886 384408

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km W of Cesena (96758 inhabitants)
17 Km SE of Forlì (117913 inhabitants)
30 Km W of Rimini (147750 inhabitants)
31 Km SE of Faenza (58541 inhabitants)
32 Km S of Ravenna (159116 inhabitants)
47 Km SE of Imola (69797 inhabitants)
62 Km W of Pesaro (94582 inhabitants)
72 Km W of Fano (60888 inhabitants)
79 Km NE of Arezzo (99543 inhabitants)
80 Km SE of Bologna (386663 inhabitants)
86 Km E of Firenze (382808 inhabitants)
91 Km SE of Ferrara (133155 inhabitants)
92 Km E of Scandicci (50609 inhabitants)
93 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
Rev 1000 Md 3.0 1987-04-01
11:04:31
44.13 12.21 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 43929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-04-01 11:04:31 ± 0.164
Latitude 44.13 ± 0.01
Longitude 12.21 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 43929

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1969.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.003
Epicentral distance of station farthest from the epicenter (degree) 0.0595
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 43929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:43:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LOR.Z. 1987-04-01T11:07:18.90 10.0 undecidable manual SN 301 0.0595 0.09 0.4
--.LBF.Z. 1987-04-01T11:07:15.10 10.0 undecidable manual SN 299 0.0578 0.82 0.3
--.HAU.Z. 1987-04-01T11:06:55.40 10.0 undecidable manual SN 315 0.0504 0.45 0.4
--.BSF.Z. 1987-04-01T11:06:46.00 10.0 undecidable manual SN 316 0.0474 -0.92 0.3
--.LOR.Z. 1987-04-01T11:06:07.50 10.0 undecidable manual PN 301 0.0595 -0.41 1
--.LBF.Z. 1987-04-01T11:06:04.90 10.0 undecidable manual PN 299 0.0578 -0.4 1
--.SBF.Z. 1987-04-01T11:06:04.90 10.0 undecidable manual SN 266 0.0309 1.51 0.2
--.SMF.Z. 1987-04-01T11:06:04.50 10.0 undecidable manual PN 295 0.0574 -0.26 1.1
--.HAU.Z. 1987-04-01T11:05:54.10 10.0 undecidable manual PN 315 0.0504 -0.03 1.3
--.CDF.Z. 1987-04-01T11:05:51.70 10.0 undecidable manual PN 322 0.0491 -0.47 1.1
--.CVF.Z. 1987-04-01T11:05:51.90 10.0 undecidable manual SN 238 0.026 1.7 0.1
--.BSF.Z. 1987-04-01T11:05:49.80 10.0 undecidable manual PN 316 0.0474 0.3 1.2
--.LPG.Z. 1987-04-01T11:05:34.20 10.0 undecidable manual PN 291 0.0369 0.78 1.1
--.FRF.Z. 1987-04-01T11:05:32.80 10.0 undecidable manual PN 263 0.0364 0.11 1.5
--.SBF.Z. 1987-04-01T11:05:24.50 10.0 undecidable manual PN 266 0.0309 0.13 1.7
--.KBA.Z. 1987-04-01T11:05:17.70 10.0 positive manual PN 14 0.0274 -1.27 1.4
--.CVF.Z. 1987-04-01T11:05:17.50 10.0 undecidable manual PN 238 0.026 0.75 1.3
--.CKI.Z. 1987-04-01T11:05:17.50 10.0 undecidable manual PN 276 0.0254 1.58 0.4
--.FIN.Z. 1987-04-01T11:05:16.00 10.0 undecidable manual PN 272 0.0257 -0.49 1.6
--.SD1.Z. 1987-04-01T11:05:15.00 10.0 undecidable manual PN 153 0.0242 0.95 1.1
--.PS9.Z. 1987-04-01T11:05:13.50 10.0 undecidable manual SN 251 0.0115 1.5 0.2
--.RBL.Z. 1987-04-01T11:05:11.50 10.0 undecidable manual PN 21 0.0224 0.12 1.9
--.FOI.Z. 1987-04-01T11:05:10.50 10.0 undecidable manual PN 8 0.0224 -0.82 1.3
--.BDI.Z. 1987-04-01T11:05:09.50 10.0 undecidable manual SN 266 0.0104 0.39 0.7
--.ASS.Z. 1987-04-01T11:05:08.00 10.0 undecidable manual SN 162 0.01 -0.09 0.8
--.CO9.Z. 1987-04-01T11:05:06.20 10.0 undecidable manual PN 288 0.0186 0.68 1.5
--.VEA.Z. 1987-04-01T11:05:06.00 10.0 undecidable manual PN 292 0.0179 1.5 0.5
--.TRI.Z. 1987-04-01T11:05:05.10 10.0 undecidable manual PN 34 0.0172 1.62 0.4
--.CTI.Z. 1987-04-01T11:05:02.60 10.0 undecidable manual PN 348 0.0176 -1.33 0.7
--.BVT.Z. 1987-04-01T11:05:01.00 10.0 undecidable manual PN 281 0.0157 -0.07 1.9
--.ARV.Z. 1987-04-01T11:05:00.00 10.0 undecidable manual SG 139 0.0074 0.53 1
--.FIR.Z. 1987-04-01T11:04:58.00 10.0 undecidable manual SG 242 0.007 0.16 0.8
--.PS9.Z. 1987-04-01T11:04:54.00 10.0 undecidable manual PN 251 0.0115 -0.7 1.5
--.CM8.Z. 1987-04-01T11:04:53.10 10.0 undecidable manual PN 143 0.0104 0.13 1.9
--.AM8.Z. 1987-04-01T11:04:53.33 10.0 undecidable manual PN 119 0.0104 0.29 1.9
--.BDI.Z. 1987-04-01T11:04:53.00 10.0 undecidable manual PN 266 0.0104 -0.03 2
--.ASS.Z. 1987-04-01T11:04:51.50 10.0 undecidable manual PN 162 0.01 -0.94 1.2
--.CRE.Z. 1987-04-01T11:04:50.80 10.0 undecidable manual SG 199 0.0049 0.32 0.7
--.FIR.Z. 1987-04-01T11:04:47.00 10.0 undecidable manual PG 242 0.007 0.48 1.7
--.ARV.Z. 1987-04-01T11:04:46.50 10.0 undecidable manual PG 139 0.0074 -0.96 1.1
--.PGD.Z. 1987-04-01T11:04:45.50 10.0 undecidable manual SG 233 0.0039 -1.44 0.2
--.PRO.Z. 1987-04-01T11:04:43.80 10.0 undecidable manual PG 113 0.0047 1.84 0.3
--.SS9.Z. 1987-04-01T11:04:42.50 10.0 undecidable manual SG 230 0.003 -1.16 0.4
--.CRE.Z. 1987-04-01T11:04:41.10 10.0 undecidable manual PG 199 0.0049 -1.17 0.9
--.PGD.Z. 1987-04-01T11:04:38.50 10.0 undecidable manual PG 233 0.0039 -1.73 0.3
--.SS9.Z. 1987-04-01T11:04:37.50 10.0 undecidable manual PG 230 0.003 -0.83 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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