Earthquake with magnitude of Md 3.0 on date 09-04-1987 and time 20:26:32 (Italy) in region 4 km W Cesena (FC)

A magnitude Md 3.0 earthquake occured in region: 4 km W Cesena (FC), on

  • 09-04-1987 18:26:32 (UTC)
  • 09-04-1987 20:26:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.15, 12.2 at 7 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 4 96758 96758
Bertinoro FC 5 11059 107817
Forlimpopoli FC 7 13290 121107
Montiano FC 11 1716 122823
Gambettola FC 12 10660 133483
Meldola FC 12 9970 143453
Longiano FC 13 7126 150579
Forlì FC 15 117913 268492
Gatteo FC 16 9068 277560
Roncofreddo FC 16 3386 280946
Cesenatico FC 16 25796 306742
Cervia RA 17 28940 335682
Savignano sul Rubicone FC 17 17766 353448
San Mauro Pascoli FC 18 11690 365138
Borghi FC 18 2843 367981
Sogliano al Rubicone FC 18 3195 371176
Predappio FC 19 6346 377522

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km W of Cesena (96758 inhabitants)
15 Km SE of Forlì (117913 inhabitants)
29 Km SE of Faenza (58541 inhabitants)
29 Km S of Ravenna (159116 inhabitants)
31 Km W of Rimini (147750 inhabitants)
45 Km E of Imola (69797 inhabitants)
63 Km W of Pesaro (94582 inhabitants)
74 Km W of Fano (60888 inhabitants)
78 Km E of Bologna (386663 inhabitants)
81 Km NE of Arezzo (99543 inhabitants)
87 Km E of Firenze (382808 inhabitants)
89 Km SE of Ferrara (133155 inhabitants)
93 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 1987-04-09
18:26:32
44.15 12.2 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 44539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-04-09 18:26:32 ± 0.634
Latitude 44.15 ± 0.01
Longitude 12.20 ± 0.02
Depth (km) 7 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 44539

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) 2042.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 60
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) 0.00397
Epicentral distance of station farthest from the epicenter (degree) 0.0629
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 46
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 44539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:43:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LOR.Z. 1987-04-09T18:29:20.30 10.0 undecidable manual SN 300 0.0593 -0.2 0.5
--.LBF.Z. 1987-04-09T18:29:15.20 10.0 undecidable manual SN 298 0.0576 -0.78 0.3
--.HAU.Z. 1987-04-09T18:28:55.70 10.0 undecidable manual SN 315 0.0503 -0.85 0.3
--.BSF.Z. 1987-04-09T18:28:47.00 10.0 undecidable manual SN 316 0.0473 -1.53 0.1
--.LPG.Z. 1987-04-09T18:28:20.20 10.0 undecidable manual SN 290 0.0367 -0.63 0.5
--.BGF.Z. 1987-04-09T18:28:14.90 10.0 undecidable manual PN 293 0.0629 0.13 1.1
--.AVF.Z. 1987-04-09T18:28:10.90 10.0 undecidable manual PN 295 0.0605 -0.35 1
--.SSF.Z. 1987-04-09T18:28:10.90 10.0 undecidable manual PN 298 0.0605 -0.35 1
--.LOR.Z. 1987-04-09T18:28:08.90 10.0 undecidable manual PN 300 0.0593 -0.48 1
--.LBF.Z. 1987-04-09T18:28:06.80 10.0 undecidable manual PN 298 0.0576 0.02 1.2
--.ORX.Z. 1987-04-09T18:28:01.00 10.0 undecidable manual SN 297 0.03 -1.84 0.1
--.HAU.Z. 1987-04-09T18:27:55.80 10.0 undecidable manual PN 315 0.0503 0.24 1.3
--.CDF.Z. 1987-04-09T18:27:53.40 10.0 undecidable manual PN 322 0.049 -0.17 1.3
--.FIN.Z. 1987-04-09T18:27:51.50 10.0 undecidable manual SN 272 0.0257 -0.16 0.7
--.BSF.Z. 1987-04-09T18:27:51.00 10.0 undecidable manual PN 316 0.0473 0.08 1.4
--.ROF.Z. 1987-04-09T18:27:48.80 10.0 undecidable manual PN 315 0.0458 0.02 1.4
--.MOF.Z. 1987-04-09T18:27:48.60 10.0 undecidable manual PN 317 0.0459 -0.23 1.3
--.SLE.Z. 1987-04-09T18:27:39.50 10.0 undecidable manual PN 325 0.0399 -0.16 1.5
--.LRG.Z. 1987-04-09T18:27:38.70 10.0 undecidable manual PN 262 0.0384 1.3 0.6
--.EMS.Z. 1987-04-09T18:27:38.20 10.0 undecidable manual PN 298 0.0376 2.02 0.2
--.VOY.Z. 1987-04-09T18:27:37.30 10.0 undecidable manual SN 31 0.02 0.82 0.5
--.FRF.Z. 1987-04-09T18:27:35.10 10.0 undecidable manual PN 263 0.0363 0.77 1.2
--.LPG.Z. 1987-04-09T18:27:34.40 10.0 undecidable manual PN 290 0.0367 -0.53 1.3
--.DIX.Z. 1987-04-09T18:27:32.70 10.0 undecidable manual PN 301 0.035 0.53 1.5
--.SAX.Z. 1987-04-09T18:27:31.00 10.0 undecidable manual PN 327 0.0331 1.67 0.4
--.LLS.Z. 1987-04-09T18:27:28.30 10.0 undecidable manual PN 321 0.0315 1.45 0.6
--.SBF.Z. 1987-04-09T18:27:27.20 10.0 undecidable manual PN 266 0.0309 1.21 0.8
--.ORO.Z. 1987-04-09T18:27:24.00 10.0 undecidable manual PN 297 0.03 -0.52 1.4
--.ORX.Z. 1987-04-09T18:27:23.50 10.0 undecidable manual PN 297 0.03 -1.05 0.8
--.TMA.Z. 1987-04-09T18:27:20.70 10.0 undecidable manual PN 310 0.0274 0.02 1.8
--.KBA.Z. 1987-04-09T18:27:20.50 10.0 positive manual PN 14 0.0272 0.12 3.6
--.OSS.Z. 1987-04-09T18:27:20.80 10.0 undecidable manual PN 330 0.0262 2 0.2
--.CVF.Z. 1987-04-09T18:27:19.50 10.0 undecidable manual PN 237 0.026 0.98 1.1
--.CKI.Z. 1987-04-09T18:27:19.00 10.0 undecidable manual PN 276 0.0253 1.51 0.5
--.VAI.Z. 1987-04-09T18:27:19.50 10.0 undecidable manual PN 306 0.0266 -0.02 1.8
--.FIN.Z. 1987-04-09T18:27:18.30 10.0 undecidable manual PN 272 0.0257 0.22 1.8
--.SD1.Z. 1987-04-09T18:27:17.00 10.0 undecidable manual PN 153 0.0244 0.98 1.1
--.PS9.Z. 1987-04-09T18:27:15.50 10.0 undecidable manual SN 250 0.0115 1.4 0.2
--.FOI.Z. 1987-04-09T18:27:12.50 10.0 undecidable manual PN 8 0.0222 -0.23 1.7
--.RBL.Z. 1987-04-09T18:27:12.20 10.0 undecidable manual PN 21 0.0223 -0.62 1.3
--.ASS.Z. 1987-04-09T18:27:12.00 10.0 undecidable manual SN 162 0.0102 1.33 0.3
--.BDI.Z. 1987-04-09T18:27:11.50 10.0 undecidable manual SN 265 0.0104 0.43 0.7
--.MDI.Z. 1987-04-09T18:27:11.50 10.0 undecidable manual PN 313 0.0215 -0.16 1.7
--.CO9.Z. 1987-04-09T18:27:08.80 10.0 undecidable manual PN 287 0.0185 1.76 0.3
--.VOY.Z. 1987-04-09T18:27:07.90 10.0 undecidable manual PN 31 0.02 -1.42 0.5
--.TRI.Z. 1987-04-09T18:27:05.20 10.0 undecidable manual PN 34 0.0172 0.23 1.8
--.CTI.Z. 1987-04-09T18:27:04.00 10.0 undecidable manual PN 348 0.0173 -1.31 0.5
--.SAL.Z. 1987-04-09T18:27:04.00 10.0 undecidable manual PN 320 0.0168 -0.54 1.4
--.ARV.Z. 1987-04-09T18:27:02.50 10.0 undecidable manual SG 140 0.0076 0.59 0.6
--.AM8.Z. 1987-04-09T18:26:56.37 10.0 undecidable manual PN 120 0.0105 1.44 0.6
--.BDI.Z. 1987-04-09T18:26:55.00 10.0 undecidable manual PN 265 0.0104 0.35 1.7
--.PS9.Z. 1987-04-09T18:26:55.50 10.0 undecidable manual PN 250 0.0115 -0.9 1
--.ASS.Z. 1987-04-09T18:26:54.00 10.0 undecidable manual PN 162 0.0102 -0.42 1.6
--.CM8.Z. 1987-04-09T18:26:54.65 10.0 undecidable manual PN 143 0.0105 -0.28 1.7
--.CRE.Z. 1987-04-09T18:26:51.50 10.0 undecidable manual SG 198 0.005 -1.36 0.4
--.ARV.Z. 1987-04-09T18:26:49.00 10.0 undecidable manual PG 140 0.0076 -0.36 1.6
--.PGD.Z. 1987-04-09T18:26:48.00 10.0 undecidable manual SG 230 0.004 -1.01 0.4
--.CRE.Z. 1987-04-09T18:26:43.00 10.0 undecidable manual PG 198 0.005 -1.14 0.8
--.PRO.Z. 1987-04-09T18:26:43.30 10.0 undecidable manual PG 115 0.0049 -0.45 1.5
--.PGD.Z. 1987-04-09T18:26:40.60 10.0 undecidable manual PG 230 0.004 -1.31 0.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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