Earthquake with magnitude of Md 2.0 on date 23-06-1986 and time 08:08:47 (Italy) in region 2 km W Capannoli (PI)

A magnitude Md 2.0 earthquake occured in region: 2 km W Capannoli (PI), on

  • 23-06-1986 06:08:47 (UTC)
  • 23-06-1986 08:08:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.59, 10.65 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
Capannoli PI 2 6381 6381
Ponsacco PI 4 15611 21992
Crespina Lorenzana PI 7 5457 27449
Peccioli PI 8 4807 32256
Terricciola PI 8 4627 36883
Casciana Terme Lari PI 8 12529 49412
Pontedera PI 8 29223 78635
Palaia PI 10 4612 83247
Calcinaia PI 11 12439 95686
Fauglia PI 11 3682 99368
Chianni PI 12 1392 100760
Montopoli in Val d'Arno PI 12 11148 111908
Santa Maria a Monte PI 12 13253 125161
Cascina PI 13 45257 170418
Vicopisano PI 13 8559 178977
Bientina PI 14 8062 187039
Collesalvetti LI 14 16827 203866
Castelfranco di Sotto PI 14 13427 217293
Lajatico PI 14 1336 218629
Santa Luce PI 15 1684 220313
Orciano Pisano PI 16 647 220960
Buti PI 16 5791 226751
Santa Croce sull'Arno PI 17 14601 241352
Calci PI 19 6426 247778
San Miniato PI 19 27934 275712
Fucecchio FI 20 23618 299330

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Pisa (89158 inhabitants)
28 Km E of Livorno (159219 inhabitants)
31 Km SE of Lucca (89046 inhabitants)
44 Km SW of Pistoia (90315 inhabitants)
44 Km SE of Viareggio (62467 inhabitants)
47 Km W of Scandicci (50609 inhabitants)
48 Km SW of Prato (191150 inhabitants)
53 Km W of Firenze (382808 inhabitants)
63 Km W of Siena (53903 inhabitants)
64 Km SE of Massa (69479 inhabitants)
70 Km SE of Carrara (63133 inhabitants)
87 Km SE of La Spezia (93959 inhabitants)
100 Km NW of Grosseto (82087 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 2.0 1986-06-23
06:08:47
43.59 10.65 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 30079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-23 06:08:47 ± 0.323
Latitude 43.59 ± 0.02
Longitude 10.65 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30079

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) 2378.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 294
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00421
Epicentral distance of station farthest from the epicenter (degree) 0.01902
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 30079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:31:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ROB.Z. 1986-06-23T06:09:48.50 10.0 undecidable manual SN 290 0.019 -0.06 0.7
--.FIN.Z. 1986-06-23T06:09:42.50 10.0 undecidable manual SN 290 0.0168 0.06 0.7
--.ROB.Z. 1986-06-23T06:09:22.60 10.0 undecidable manual PN 290 0.019 -0.22 0.7
--.FIN.Z. 1986-06-23T06:09:19.50 10.0 undecidable manual PN 290 0.0168 0.22 0.8
--.BDI.Z. 1986-06-23T06:08:57.50 10.0 undecidable manual PG 355 0.0042 0 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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