Earthquake with magnitude of Md 2.3 on date 21-04-1985 and time 17:18:43 (Italy) in region NE San Cesario sul Panaro (MO)

A magnitude Md 2.3 earthquake occured in region: NE San Cesario sul Panaro (MO), on

  • 21-04-1985 15:18:43 (UTC)
  • 21-04-1985 17:18:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.56, 11.04 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
San Cesario sul Panaro MO 0 6407 6407
Spilamberto MO 3 12621 19028
Castelfranco Emilia MO 4 32677 51705
Valsamoggia BO 8 30561 82266
Castelnuovo Rangone MO 8 14896 97162
Savignano sul Panaro MO 9 9177 106339
Vignola MO 10 25353 131692
Castelvetro di Modena MO 10 11185 142877
Anzola dell'Emilia BO 13 12267 155144
Modena MO 13 184973 340117
Nonantola MO 13 15839 355956
Marano sul Panaro MO 13 5060 361016
Sant'Agata Bolognese BO 14 7291 368307
Maranello MO 14 17359 385666
San Giovanni in Persiceto BO 15 27982 413648
Formigine MO 16 34323 447971
Guiglia MO 16 3931 451902
Zola Predosa BO 16 18770 470672
Monte San Pietro BO 18 10982 481654
Fiorano Modenese MO 18 17160 498814
Bomporto MO 18 10157 508971
Bastiglia MO 18 4193 513164
Ravarino MO 19 6233 519397
Calderara di Reno BO 19 13196 532593
Crevalcore BO 20 13465 546058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SE of Modena (184973 inhabitants)
25 Km W of Bologna (386663 inhabitants)
27 Km SE of Carpi (70699 inhabitants)
35 Km E of Reggio nell'Emilia (171345 inhabitants)
55 Km SW of Ferrara (133155 inhabitants)
59 Km W of Imola (69797 inhabitants)
62 Km E of Parma (192836 inhabitants)
71 Km N of Pistoia (90315 inhabitants)
74 Km W of Faenza (58541 inhabitants)
76 Km N of Prato (191150 inhabitants)
82 Km SW of Rovigo (51867 inhabitants)
88 Km W of Forlì (117913 inhabitants)
90 Km N of Firenze (382808 inhabitants)
90 Km N of Scandicci (50609 inhabitants)
91 Km NE of Lucca (89046 inhabitants)
92 Km NE of Massa (69479 inhabitants)
92 Km NE of Carrara (63133 inhabitants)
94 Km W of Ravenna (159116 inhabitants)
97 Km S of Verona (258765 inhabitants)
100 Km NE of Viareggio (62467 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 2.3 1985-04-21
15:18:43
44.56 11.04 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5139
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-21 15:18:43 ± 0.247
Latitude 44.56 ± 0.02
Longitude 11.04 ± 0.05
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5139

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) 4271
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.00526
Epicentral distance of station farthest from the epicenter (degree) 0.02129
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 5139
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PAN.Z. 1985-04-21T15:19:30.70 10.0 undecidable manual SN 6 0.0134 1.01 0.4
--.CTI.Z. 1985-04-21T15:19:29.00 10.0 undecidable manual SN 15 0.0138 -1.84 0.1
--.SAV.Z. 1985-04-21T15:19:25.90 10.0 undecidable manual SN 335 0.0113 1.66 0.2
--.DDS.Z. 1985-04-21T15:19:24.60 10.0 undecidable manual SN 4 0.0118 -0.89 0.5
--.BAL.Z. 1985-04-21T15:19:23.70 10.0 undecidable manual SN 353 0.0109 0.53 1
--.SAL.Z. 1985-04-21T15:19:23.00 10.0 undecidable manual SN? 340 0.0099 2.65 0
--.CH1.Z. 1985-04-21T15:19:22.00 10.0 undecidable manual SN 144 0.0102 0.75 0.6
--.FO1.Z. 1985-04-21T15:19:22.00 10.0 undecidable manual PN 30 0.0213 -0.18 1.4
--.CAV.Z. 1985-04-21T15:19:15.20 10.0 undecidable manual PN 9 0.0158 1.45 0.6
--.PS9.Z. 1985-04-21T15:19:14.00 10.0 undecidable manual SG 203 0.0083 -1.03 0.5
--.PAG.Z. 1985-04-21T15:19:12.60 10.0 undecidable manual PN 359 0.0141 1.32 0.7
--.CTI.Z. 1985-04-21T15:19:10.50 10.0 undecidable manual PN 15 0.0138 -0.38 1.7
--.PAN.Z. 1985-04-21T15:19:09.00 10.0 undecidable manual PN 6 0.0134 -1.22 0.8
--.SAV.Z. 1985-04-21T15:19:07.20 10.0 undecidable manual PN 335 0.0113 0.13 2
--.CH1.Z. 1985-04-21T15:19:06.00 10.0 undecidable manual PN 144 0.0102 0.65 1.6
--.BAL.Z. 1985-04-21T15:19:06.10 10.0 undecidable manual PN 353 0.0109 -0.36 1.9
--.DDS.Z. 1985-04-21T15:19:06.10 10.0 undecidable manual PN 4 0.0118 -1.7 0.4
--.SAL.Z. 1985-04-21T15:19:05.00 10.0 undecidable manual PN 340 0.0099 0.17 2
--.BD1.Z. 1985-04-21T15:19:04.00 10.0 undecidable manual SG 211 0.0053 -0.52 0.7
--.PS9.Z. 1985-04-21T15:19:01.00 10.0 undecidable manual PG 203 0.0083 -0.76 1.5
--.BD1.Z. 1985-04-21T15:18:56.60 10.0 undecidable manual PG 211 0.0053 0.91 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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