Earthquake with magnitude of Md 2.7 on date 19-03-1987 and time 03:17:20 (UTC) in region 4 km E Bertinoro (FC)

A magnitude Md 2.7 earthquake occured in region: 4 km E Bertinoro (FC), on

  • 19-03-1987 03:17:20 (UTC)
  • 19-03-1987 04:17:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.149, 12.188 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
Bertinoro FC 4 11059 11059
Cesena FC 5 96758 107817
Forlimpopoli FC 7 13290 121107
Meldola FC 10 9970 131077
Montiano FC 12 1716 132793
Gambettola FC 13 10660 143453
Longiano FC 14 7126 150579
Forlì FC 14 117913 268492
Roncofreddo FC 16 3386 271878
Gatteo FC 17 9068 280946
Predappio FC 17 6346 287292
Cesenatico FC 18 25796 313088
Savignano sul Rubicone FC 18 17766 330854
Cervia RA 18 28940 359794
Sogliano al Rubicone FC 18 3195 362989
Borghi FC 19 2843 365832
San Mauro Pascoli FC 19 11690 377522
Castrocaro Terme e Terra del Sole FC 19 6426 383948

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km W of Cesena (96758 inhabitants)
14 Km SE of Forlì (117913 inhabitants)
29 Km SE of Faenza (58541 inhabitants)
30 Km S of Ravenna (159116 inhabitants)
32 Km W of Rimini (147750 inhabitants)
44 Km SE of Imola (69797 inhabitants)
64 Km W of Pesaro (94582 inhabitants)
75 Km W of Fano (60888 inhabitants)
78 Km E of Bologna (386663 inhabitants)
80 Km NE of Arezzo (99543 inhabitants)
86 Km E of Firenze (382808 inhabitants)
89 Km SE of Ferrara (133155 inhabitants)
91 Km E of Scandicci (50609 inhabitants)
92 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
Md 2.7 1987-03-19
03:17:20
44.149 12.188 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 43179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-03-19 03:17:20 ± 0.403
Latitude 44.1490 ± 0.0109
Longitude 12.1880 ± 0.0184
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 43179

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) 1906.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00316
Epicentral distance of station farthest from the epicenter (degree) 0.06281
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitude information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 43179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:42:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BGF.Z. 1987-03-19T03:19:03.70 10.0 undecidable manual PN 293 0.0628 0.48 0.7
--.SSF.Z. 1987-03-19T03:18:59.70 10.0 undecidable manual PN 298 0.0605 -0.01 1
--.LOR.Z. 1987-03-19T03:18:58.00 10.0 undecidable manual PN 300 0.0593 0.15 1
--.LBF.Z. 1987-03-19T03:18:55.40 10.0 undecidable manual PN 298 0.0576 0.16 1
--.SMF.Z. 1987-03-19T03:18:54.30 10.0 undecidable manual PN 295 0.0572 -0.4 0.9
--.HAU.Z. 1987-03-19T03:18:44.20 10.0 undecidable manual PN 315 0.0503 0.14 1.1
--.CDF.Z. 1987-03-19T03:18:41.80 10.0 undecidable manual PN 323 0.049 -0.29 1.1
--.LPG.Z. 1987-03-19T03:18:22.20 10.0 undecidable manual PN 290 0.0367 -1.17 0.2
--.KBA.Z. 1987-03-19T03:18:09.30 10.0 negative manual PN 14 0.0273 0.27 3
--.VAI.Z. 1987-03-19T03:18:08.00 10.0 undecidable manual PN 306 0.0266 0 1.7
--.RBL.Z. 1987-03-19T03:18:02.50 10.0 undecidable manual PN 22 0.0223 1.02 0.3
--.FOI.Z. 1987-03-19T03:18:01.00 10.0 undecidable manual PN 9 0.0223 -0.36 1.4
--.BDI.Z. 1987-03-19T03:18:00.00 10.0 undecidable manual SN 265 0.0103 0.61 0.4
--.CO9.Z. 1987-03-19T03:17:56.00 10.0 undecidable manual PN 288 0.0184 0.52 1.1
--.CTI.Z. 1987-03-19T03:17:54.00 10.0 undecidable manual PN 348 0.0174 0.1 1.7
--.TRI.Z. 1987-03-19T03:17:52.50 10.0 undecidable manual PN 34 0.0172 -1.15 0.2
--.ARV.Z. 1987-03-19T03:17:51.50 10.0 undecidable manual SG 139 0.0076 0.96 0.2
--.PS9.Z. 1987-03-19T03:17:44.50 10.0 undecidable manual PN 250 0.0114 -0.3 1.5
--.BDI.Z. 1987-03-19T03:17:43.00 10.0 undecidable manual PN 265 0.0103 -0.06 1.7
--.ASS.Z. 1987-03-19T03:17:43.50 10.0 undecidable manual PN 162 0.0102 0.55 1.1
--.CRE.Z. 1987-03-19T03:17:41.00 10.0 undecidable manual SG 197 0.0049 -0.17 0.7
--.ARV.Z. 1987-03-19T03:17:37.50 10.0 undecidable manual PG 139 0.0076 -0.45 1.3
--.MF9.Z. 1987-03-19T03:17:35.00 10.0 undecidable manual SG 220 0.0032 0.25 0.6
--.CRE.Z. 1987-03-19T03:17:31.50 10.0 undecidable manual PG 197 0.0049 -1.04 0.3
--.MF9.Z. 1987-03-19T03:17:29.50 10.0 undecidable manual PG 220 0.0032 0.66 0.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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