Earthquake with magnitude of Md 2.6 on date 10-09-1986 and time 10:33:14 (UTC) in region 4 km SW Bertinoro (FC)

A magnitude Md 2.6 earthquake occured in region: 4 km SW Bertinoro (FC), on

  • 10-09-1986 10:33:14 (UTC)
  • 10-09-1986 12:33:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.113, 12.114 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
Bertinoro FC 4 11059 11059
Meldola FC 5 9970 21029
Forlimpopoli FC 8 13290 34319
Predappio FC 11 6346 40665
Cesena FC 11 96758 137423
Forlì FC 14 117913 255336
Castrocaro Terme e Terra del Sole FC 15 6426 261762
Montiano FC 16 1716 263478
Longiano FC 18 7126 270604
Dovadola FC 18 1653 272257
Gambettola FC 18 10660 282917
Roncofreddo FC 18 3386 286303
Civitella di Romagna FC 18 3786 290089
Mercato Saraceno FC 19 6886 296975
Sogliano al Rubicone FC 19 3195 300170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km W of Cesena (96758 inhabitants)
14 Km SE of Forlì (117913 inhabitants)
27 Km SE of Faenza (58541 inhabitants)
35 Km S of Ravenna (159116 inhabitants)
37 Km W of Rimini (147750 inhabitants)
42 Km SE of Imola (69797 inhabitants)
68 Km W of Pesaro (94582 inhabitants)
74 Km N of Arezzo (99543 inhabitants)
75 Km SE of Bologna (386663 inhabitants)
79 Km W of Fano (60888 inhabitants)
79 Km E of Firenze (382808 inhabitants)
84 Km E of Scandicci (50609 inhabitants)
85 Km E of Prato (191150 inhabitants)
90 Km SE of Ferrara (133155 inhabitants)
98 Km E of Pistoia (90315 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 2.6 1986-09-10
10:33:14
44.113 12.114 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 33879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-10 10:33:14 ± 0.926
Latitude 44.1130 ± 0.0584
Longitude 12.1140 ± 0.0590
Depth (km) 10 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33879

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) 8021.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 227
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00453
Epicentral distance of station farthest from the epicenter (degree) 0.01004
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:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 33879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ASS.Z. 1986-09-10T10:33:52.00 10.0 undecidable manual SN 159 0.01 0.46 0.7
--.BDI.Z. 1986-09-10T10:33:50.00 10.0 undecidable manual SN 267 0.0098 -0.84 0.5
--.ASS.Z. 1986-09-10T10:33:36.50 10.0 undecidable manual PN 159 0.01 0.63 1.5
--.BDI.Z. 1986-09-10T10:33:35.50 10.0 undecidable manual PN 267 0.0098 0.04 2
--.CRE.Z. 1986-09-10T10:33:31.00 10.0 undecidable manual SG 193 0.0045 -1.61 0.1
--.ARV.Z. 1986-09-10T10:33:30.50 10.0 undecidable manual PG 135 0.0077 -0.93 1.2
--.CRE.Z. 1986-09-10T10:33:26.00 10.0 undecidable manual PG 193 0.0045 1.06 1
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