Earthquake with magnitude of Md 2.4 on date 13-08-1986 and time 23:29:15 (UTC) in region 4 km E Serramazzoni (MO)

A magnitude Md 2.4 earthquake occured in region: 4 km E Serramazzoni (MO), on

  • 13-08-1986 23:29:15 (UTC)
  • 14-08-1986 01:29:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4220, 10.8460 at 6 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
Serramazzoni MO 4 8282 8282
Guiglia MO 9 3931 12213
Pavullo nel Frignano MO 9 17383 29596
Marano sul Panaro MO 10 5060 34656
Maranello MO 12 17359 52015
Castelvetro di Modena MO 12 11185 63200
Prignano sulla Secchia MO 13 3747 66947
Polinago MO 13 1672 68619
Fiorano Modenese MO 13 17160 85779
Castellarano RE 13 15232 101011
Sassuolo MO 14 40853 141864
Zocca MO 15 4719 146583
Vignola MO 15 25353 171936
Lama Mocogno MO 16 2734 174670
Castelnuovo Rangone MO 16 14896 189566
Savignano sul Panaro MO 16 9177 198743
Formigine MO 17 34323 233066
Montese MO 19 3353 236419
Montefiorino MO 19 2203 238622
Spilamberto MO 19 12621 251243
Palagano MO 19 2194 253437
Castel d'Aiano BO 20 1906 255343

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km S of Modena (184973 inhabitants)
35 Km SE of Reggio nell'Emilia (171345 inhabitants)
40 Km S of Carpi (70699 inhabitants)
40 Km W of Bologna (386663 inhabitants)
55 Km N of Pistoia (90315 inhabitants)
59 Km SE of Parma (192836 inhabitants)
63 Km NW of Prato (191150 inhabitants)
70 Km W of Imola (69797 inhabitants)
70 Km NE of Lucca (89046 inhabitants)
71 Km NE of Massa (69479 inhabitants)
71 Km NE of Carrara (63133 inhabitants)
77 Km SW of Ferrara (133155 inhabitants)
78 Km NE of Viareggio (62467 inhabitants)
78 Km NW of Scandicci (50609 inhabitants)
80 Km NW of Firenze (382808 inhabitants)
84 Km W of Faenza (58541 inhabitants)
86 Km NE of Pisa (89158 inhabitants)
88 Km E of La Spezia (93959 inhabitants)
98 Km W 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 2.4 1986-08-13
23:29:15
44.422 10.846 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 32809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-08-13 23:29:15 ± 0.184
Latitude 44.4220 ± 0.0041
Longitude 10.8460 ± 0.0328
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 32809

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) 2640.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 209
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00356
Epicentral distance of station farthest from the epicenter (degree) 0.01408
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 32809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:33:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MDI.Z. 1986-08-13T23:30:04.50 10.0 undecidable manual SN 329 1.5651 -0.16 0.3
--.SAL.Z. 1986-08-13T23:29:56.00 10.0 undecidable manual SN 349 1.1988 0.07 0.7
--.MDI.Z. 1986-08-13T23:29:44.00 10.0 undecidable manual PN 329 1.5651 -0.01 1.7
--.PS9.Z. 1986-08-13T23:29:42.00 10.0 undecidable manual SG 198 0.7326 -0.08 0.7
--.SAL.Z. 1986-08-13T23:29:39.00 10.0 undecidable manual PN 349 1.1988 0.03 1.9
--.PS9.Z. 1986-08-13T23:29:31.00 10.0 undecidable manual PG 198 0.7326 0.03 2.1
--.BDI.Z. 1986-08-13T23:29:31.50 10.0 undecidable manual SG 206 0.3996 0.22 0.2
--.BDI.Z. 1986-08-13T23:29:24.50 10.0 undecidable manual PG 206 0.3996 -0.23 0.4
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