Earthquake with magnitude of Md 2.2 on date 06-06-1986 and time 04:09:18 (Italy) in region 3 km NE Piazza al Serchio (LU)

A magnitude Md 2.2 earthquake occured in region: 3 km NE Piazza al Serchio (LU), on

  • 06-06-1986 02:09:18 (UTC)
  • 06-06-1986 04:09:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1990, 10.3300 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
Piazza al Serchio LU 3 2367 2367
San Romano in Garfagnana LU 4 1410 3777
Sillano Giuncugnano LU 4 1085 4862
Camporgiano LU 4 2176 7038
Villa Collemandina LU 7 1334 8372
Castiglione di Garfagnana LU 9 1818 10190
Careggine LU 9 564 10754
Pieve Fosciana LU 10 2414 13168
Vagli Sotto LU 10 939 14107
Minucciano LU 10 2102 16209
Castelnuovo di Garfagnana LU 12 5950 22159
Casola in Lunigiana MS 12 988 23147
Fosciandora LU 14 602 23749
Molazzana LU 16 1043 24792
Fabbriche di Vergemoli LU 17 768 25560
Fivizzano MS 17 7925 33485
Gallicano LU 18 3807 37292
Barga LU 19 10034 47326
Comano MS 19 714 48040
Ventasso RE 19 4295 52335

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Carrara (63133 inhabitants)
23 Km NE of Massa (69479 inhabitants)
37 Km N of Viareggio (62467 inhabitants)
41 Km E of La Spezia (93959 inhabitants)
42 Km NW of Lucca (89046 inhabitants)
54 Km N of Pisa (89158 inhabitants)
56 Km NW of Pistoia (90315 inhabitants)
60 Km SW of Reggio nell'Emilia (171345 inhabitants)
67 Km S of Parma (192836 inhabitants)
69 Km SW of Modena (184973 inhabitants)
71 Km W of Prato (191150 inhabitants)
72 Km N of Livorno (159219 inhabitants)
79 Km SW of Carpi (70699 inhabitants)
84 Km NW of Scandicci (50609 inhabitants)
87 Km W of Bologna (386663 inhabitants)
88 Km NW of Firenze (382808 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 2.2 1986-06-06
02:09:18
44.199 10.33 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 28799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-06 02:09:18 ± 0.36
Latitude 44.1990 ± 0.0359
Longitude 10.3300 ± 0.0295
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 28799

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) 4631.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.01360
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 28799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FIN.Z. 1986-06-06T02:10:05.50 10.0 undecidable manual SN 271 1.5096 -0.09 0.8
--.CK1.Z. 1986-06-06T02:10:04.00 10.0 undecidable manual SN 279 1.4763 -0.73 0.3
--.FIN.Z. 1986-06-06T02:09:46.70 10.0 undecidable manual PN 271 1.5096 0.81 0.8
--.CK1.Z. 1986-06-06T02:09:45.00 10.0 undecidable manual PN 279 1.4763 -0.39 1.5
--.PS9.Z. 1986-06-06T02:09:36.00 10.0 undecidable manual SG 163 0.4995 -0.86 0.4
--.PS9.Z. 1986-06-06T02:09:30.00 10.0 undecidable manual PG 163 0.4995 0.7 1.3
--.BDI.Z. 1986-06-06T02:09:28.60 10.0 undecidable manual SG 125 0.2331 0.16 1
--.BDI.Z. 1986-06-06T02:09:24.00 10.0 undecidable manual PG 125 0.2331 -0.44 1.9
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