Earthquake with magnitude of Md 2.5 on date 09-05-1987 and time 04:53:28 (Italy) in region 7 km N Finale Emilia (MO)

A magnitude Md 2.5 earthquake occured in region: 7 km N Finale Emilia (MO), on

  • 09-05-1987 02:53:28 (UTC)
  • 09-05-1987 04:53:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8970, 11.2820 at 5 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
Finale Emilia MO 7 15699 15699
Bondeno FE 11 14655 30354
Felonica MN 11 1359 31713
Calto RO 12 743 32456
Sermide MN 12 6189 38645
San Felice sul Panaro MO 13 10900 49545
Ficarolo RO 14 2438 51983
Castelmassa RO 14 4252 56235
Sant'Agostino FE 14 6853 63088
Magnacavallo MN 14 1561 64649
Castelnovo Bariano RO 15 2762 67411
Ceneselli RO 15 1719 69130
Salara RO 15 1160 70290
Poggio Rusco MN 16 6625 76915
Carbonara di Po MN 16 1297 78212
Mirabello FE 16 3266 81478
Camposanto MO 17 3201 84679
Gaiba RO 17 1063 85742
Mirandola MO 17 23875 109617
Villa Poma MN 17 2023 111640
Medolla MO 17 6308 117948
San Giovanni del Dosso MN 18 1248 119196
Borgofranco sul Po MN 18 784 119980
Vigarano Mainarda FE 18 7694 127674
Bergantino RO 18 2565 130239
Cento FE 19 35686 165925
Schivenoglia MN 19 1203 167128
Melara RO 20 1803 168931

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Ferrara (133155 inhabitants)
34 Km E of Carpi (70699 inhabitants)
40 Km NE of Modena (184973 inhabitants)
45 Km W of Rovigo (51867 inhabitants)
45 Km N of Bologna (386663 inhabitants)
56 Km E of Reggio nell'Emilia (171345 inhabitants)
64 Km SE of Verona (258765 inhabitants)
69 Km NW of Imola (69797 inhabitants)
74 Km SW of Padova (210401 inhabitants)
75 Km S of Vicenza (112953 inhabitants)
76 Km E of Parma (192836 inhabitants)
83 Km NW of Faenza (58541 inhabitants)
90 Km NW of Ravenna (159116 inhabitants)
96 Km NW of Forlì (117913 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 2.5 1987-05-09
02:53:28
44.897 11.282 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 46609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-05-09 02:53:28 ± 0.307
Latitude 44.8970 ± 0.0176
Longitude 11.2820 ± 0.0410
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 46609

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) 3776.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00729
Epicentral distance of station farthest from the epicenter (degree) 0.01805
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 46609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:45:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.VAI.Z. 1987-05-09T02:54:29.00 10.0 undecidable manual SN 299 2.0091 0.61 0.5
--.MDI.Z. 1987-05-09T02:54:13.00 10.0 undecidable manual SN 308 1.3986 -1.11 0.3
--.BOB.Z. 1987-05-09T02:54:12.50 10.0 undecidable manual SN 264 1.2987 0.88 0.5
--.PII.Z. 1987-05-09T02:54:09.50 10.0 undecidable manual SN 204 1.2876 -1.83 0.1
--.CTI.Z. 1987-05-09T02:54:08.50 10.0 undecidable manual SN 12 1.1766 -0.1 0.8
--.PGD.Z. 1987-05-09T02:54:06.50 10.0 undecidable manual SG 162 1.0656 0.62 0.6
--.BDI.Z. 1987-05-09T02:54:04.50 10.0 undecidable manual SG 210 0.9657 1.89 0.1
--.SAL.Z. 1987-05-09T02:54:02.00 10.0 undecidable manual SG 323 0.8769 1.93 0.1
--.VAI.Z. 1987-05-09T02:54:02.50 10.0 undecidable manual PN 299 2.0091 -0.67 1.1
--.MDI.Z. 1987-05-09T02:53:54.00 10.0 undecidable manual PN 308 1.3986 -0.93 1
--.BOB.Z. 1987-05-09T02:53:53.00 10.0 undecidable manual PN 264 1.2987 -0.49 1.6
--.PII.Z. 1987-05-09T02:53:52.00 10.0 undecidable manual PN 204 1.2876 -1.32 0.6
--.CTI.Z. 1987-05-09T02:53:52.00 10.0 undecidable manual PN 12 1.1766 0.26 1.8
--.PGD.Z. 1987-05-09T02:53:50.50 10.0 undecidable manual PG 162 1.0656 0.33 3.6
--.BDI.Z. 1987-05-09T02:53:48.00 10.0 undecidable manual PG 210 0.9657 -0.29 1.8
--.SAL.Z. 1987-05-09T02:53:47.57 10.0 undecidable manual PG 323 0.8769 0.75 1.3
--.MME.Z. 1987-05-09T02:53:46.36 10.0 undecidable manual PG 210 0.8103 0.86 1.2
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