Earthquake with magnitude of Md 3.2 on date 04-04-1987 and time 20:06:45 (Italy) in region 2 km W Cesena (FC)

A magnitude Md 3.2 earthquake occured in region: 2 km W Cesena (FC), on

  • 04-04-1987 18:06:45 (UTC)
  • 04-04-1987 20:06:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.14, 12.22 at 8 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 2 96758 96758
Bertinoro FC 7 11059 107817
Forlimpopoli FC 9 13290 121107
Montiano FC 9 1716 122823
Gambettola FC 10 10660 133483
Longiano FC 11 7126 140609
Meldola FC 13 9970 150579
Gatteo FC 14 9068 159647
Roncofreddo FC 14 3386 163033
Cesenatico FC 15 25796 188829
Savignano sul Rubicone FC 15 17766 206595
San Mauro Pascoli FC 16 11690 218285
Borghi FC 16 2843 221128
Cervia RA 17 28940 250068
Sogliano al Rubicone FC 17 3195 253263
Forlì FC 17 117913 371176
Bellaria-Igea Marina RN 19 19519 390695
Predappio FC 20 6346 397041

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km W of Cesena (96758 inhabitants)
17 Km SE of Forlì (117913 inhabitants)
29 Km W of Rimini (147750 inhabitants)
30 Km S of Ravenna (159116 inhabitants)
31 Km SE of Faenza (58541 inhabitants)
47 Km E of Imola (69797 inhabitants)
61 Km W of Pesaro (94582 inhabitants)
72 Km W of Fano (60888 inhabitants)
80 Km E of Bologna (386663 inhabitants)
80 Km NE of Arezzo (99543 inhabitants)
88 Km E of Firenze (382808 inhabitants)
91 Km SE of Ferrara (133155 inhabitants)
94 Km E of Scandicci (50609 inhabitants)
95 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 3.2 1987-04-04
18:06:45
44.15 12.22 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 44189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-04-04 18:06:45 ± 0.576
Latitude 44.15 ± 0.01
Longitude 12.22 ± 0.02
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 44189

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) 2004
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00405
Epicentral distance of station farthest from the epicenter (degree) 0.04339
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitude information

Md:3.2

Field Value
Value 3.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 44189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:43:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SLE.Z. 1987-04-04T18:08:42.10 10.0 undecidable manual SN 325 0.04 -0.11 0.5
--.ORX.Z. 1987-04-04T18:08:14.15 10.0 undecidable manual SN 297 0.0301 -1.91 0.1
--.FIN.Z. 1987-04-04T18:08:04.50 10.0 undecidable manual SN 272 0.0258 -0.32 0.6
--.STG.Z. 1987-04-04T18:07:58.40 10.0 undecidable manual PN 301 0.0434 0.44 1.1
--.FOI.Z. 1987-04-04T18:07:54.50 10.0 undecidable manual SN 8 0.0223 -0.83 0.5
--.SLE.Z. 1987-04-04T18:07:52.30 10.0 undecidable manual PN 325 0.04 -0.5 1.1
--.BNI.Z. 1987-04-04T18:07:48.50 10.0 undecidable manual PN 284 0.0364 1.23 0.7
--.MUO.Z. 1987-04-04T18:07:45.50 10.0 undecidable manual PN 319 0.0339 2 0.2
--.SAX.Z. 1987-04-04T18:07:43.70 10.0 undecidable manual PN 327 0.0333 1.24 0.7
--.LLS.Z. 1987-04-04T18:07:41.40 10.0 undecidable manual PN 320 0.0317 1.41 0.6
--.SOO.Z. 1987-04-04T18:07:41.30 10.0 undecidable manual PN 277 0.0331 -0.91 0.9
--.SAL.Z. 1987-04-04T18:07:40.82 10.0 undecidable manual SN 320 0.017 -0.57 0.6
--.STV.Z. 1987-04-04T18:07:40.40 10.0 undecidable manual PN 273 0.0315 0.54 1.3
--.ORO.Z. 1987-04-04T18:07:37.50 10.0 undecidable manual PN 297 0.0301 -0.18 1.5
--.ORX.Z. 1987-04-04T18:07:36.60 10.0 undecidable manual PN 297 0.0301 -1.1 0.8
--.TMA.Z. 1987-04-04T18:07:34.10 10.0 undecidable manual PN 310 0.0276 0.26 1.6
--.OSS.Z. 1987-04-04T18:07:33.30 10.0 undecidable manual PN 330 0.0263 1.38 0.7
--.VDL.Z. 1987-04-04T18:07:33.90 10.0 undecidable manual PN 321 0.0273 0.52 1.5
--.VAI.Z. 1987-04-04T18:07:32.50 10.0 undecidable manual PN 306 0.0268 -0.18 1.6
--.CKI.Z. 1987-04-04T18:07:32.40 10.0 undecidable manual PN 276 0.0255 1.77 0.4
--.FIN.Z. 1987-04-04T18:07:30.80 10.0 undecidable manual PN 272 0.0258 -0.41 1.5
--.SD1.Z. 1987-04-04T18:07:30.50 10.0 undecidable manual PN 153 0.0242 1.76 0.4
--.PS9.Z. 1987-04-04T18:07:27.50 10.0 undecidable manual SN 251 0.0116 0.33 1.1
--.LJU.Z. 1987-04-04T18:07:27.00 10.0 undecidable manual PN 39 0.0224 0.99 1.2
--.CM8.Z. 1987-04-04T18:07:25.42 10.0 undecidable manual SN 144 0.0104 1.44 0.3
--.BDI.Z. 1987-04-04T18:07:24.61 10.0 undecidable manual SN 266 0.0105 0.39 0.7
--.FOI.Z. 1987-04-04T18:07:24.80 10.0 undecidable manual PN 8 0.0223 -0.93 1.1
--.ASS.Z. 1987-04-04T18:07:24.00 10.0 undecidable manual SN 163 0.0101 0.83 0.6
--.MDI.Z. 1987-04-04T18:07:24.80 10.0 undecidable manual PN 313 0.0217 -0.01 1.8
--.RBL.Z. 1987-04-04T18:07:24.70 10.0 undecidable manual PN 21 0.0223 -1.08 0.9
--.AM8.Z. 1987-04-04T18:07:22.76 10.0 undecidable manual SN 120 0.0104 -1.18 0.4
--.CO9.Z. 1987-04-04T18:07:21.50 10.0 undecidable manual PN 288 0.0186 1.31 0.9
--.VOY.Z. 1987-04-04T18:07:21.10 10.0 undecidable manual PN 31 0.02 -1.13 0.9
--.VEA.Z. 1987-04-04T18:07:20.40 10.0 undecidable manual PN 292 0.018 1.25 0.9
--.AQU.Z. 1987-04-04T18:07:20.50 10.0 undecidable manual PN 153 0.0178 1.54 0.6
--.SAL.Z. 1987-04-04T18:07:17.20 10.0 undecidable manual PN 320 0.017 -0.48 1.7
--.CTI.Z. 1987-04-04T18:07:17.10 10.0 undecidable manual PN 347 0.0175 -1.29 0.8
--.TRI.Z. 1987-04-04T18:07:16.50 10.0 undecidable manual PN 33 0.0171 -1.37 0.7
--.ARV.Z. 1987-04-04T18:07:15.00 10.0 undecidable manual SG 140 0.0074 0.74 0.9
--.FIR.Z. 1987-04-04T18:07:13.00 10.0 undecidable manual SG 241 0.007 0.02 0.8
--.AM8.Z. 1987-04-04T18:07:08.27 10.0 undecidable manual PN 120 0.0104 0.66 1.6
--.PS9.Z. 1987-04-04T18:07:08.50 10.0 undecidable manual PN 251 0.0116 -0.98 1.2
--.CM8.Z. 1987-04-04T18:07:07.53 10.0 undecidable manual PN 144 0.0104 -0.1 1.9
--.MME.Z. 1987-04-04T18:07:07.10 10.0 undecidable manual PN 272 0.0098 0.39 1.8
--.BDI.Z. 1987-04-04T18:07:07.10 10.0 undecidable manual PN 266 0.0105 -0.67 1.5
--.ASS.Z. 1987-04-04T18:07:06.80 10.0 undecidable manual PN 163 0.0101 -0.36 1.8
--.CRE.Z. 1987-04-04T18:07:04.40 10.0 undecidable manual SG 200 0.005 -1.24 0.5
--.ARV.Z. 1987-04-04T18:07:01.50 10.0 undecidable manual PG 140 0.0074 -0.52 1.7
--.FIR.Z. 1987-04-04T18:07:01.50 10.0 undecidable manual PG 241 0.007 0.22 1.9
--.PGD.Z. 1987-04-04T18:07:00.47 10.0 undecidable manual SG 233 0.004 -1.63 0.2
--.CRE.Z. 1987-04-04T18:06:56.00 10.0 undecidable manual PG 200 0.005 -1.04 1.1
--.PRO.Z. 1987-04-04T18:06:56.00 10.0 undecidable manual PG 114 0.0047 -0.39 1.8
--.PGD.Z. 1987-04-04T18:06:53.80 10.0 undecidable manual PG 233 0.004 -1.2 0.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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