Earthquake with magnitude of Md 2.3 on date 28-05-1986 and time 19:38:51 (Italy) in region 7 km NW Comano (MS)

A magnitude Md 2.3 earthquake occured in region: 7 km NW Comano (MS), on

  • 28-05-1986 17:38:51 (UTC)
  • 28-05-1986 19:38:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3520, 10.1010 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
Comano MS 7 714 714
Monchio delle Corti PR 7 933 1647
Bagnone MS 9 1887 3534
Licciana Nardi MS 11 4949 8483
Palanzano PR 12 1142 9625
Fivizzano MS 13 7925 17550
Filattiera MS 13 2309 19859
Villafranca in Lunigiana MS 14 4770 24629
Corniglio PR 14 1936 26565
Mulazzo MS 16 2424 28989
Tresana MS 17 2044 31033
Pontremoli MS 18 7357 38390
Casola in Lunigiana MS 18 988 39378
Ventasso RE 18 4295 43673
Aulla MS 19 11263 54936
Berceto PR 20 2109 57045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Carrara (63133 inhabitants)
35 Km NE of La Spezia (93959 inhabitants)
35 Km N of Massa (69479 inhabitants)
53 Km SW of Parma (192836 inhabitants)
55 Km N of Viareggio (62467 inhabitants)
57 Km SW of Reggio nell'Emilia (171345 inhabitants)
65 Km NW of Lucca (89046 inhabitants)
73 Km W of Modena (184973 inhabitants)
75 Km NW of Pisa (89158 inhabitants)
79 Km SW of Carpi (70699 inhabitants)
80 Km NW of Pistoia (90315 inhabitants)
84 Km SE of Piacenza (102191 inhabitants)
87 Km S of Cremona (71901 inhabitants)
90 Km N of Livorno (159219 inhabitants)
93 Km E of Genova (586655 inhabitants)
95 Km NW of Prato (191150 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 2.3
M 2.5
1986-05-28
17:38:51
44.352 10.101 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 28169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-05-28 17:38:51 ± 0.334
Latitude 44.3520 ± 0.0480
Longitude 10.1010 ± 0.0556
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 28169

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) 6930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.01433
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 28169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:29:39

M:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 28169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ROB.Z. 1986-05-28T17:39:39.30 10.0 undecidable manual SN 268 1.5873 -1.02 0.2
--.FIN.Z. 1986-05-28T17:39:34.00 10.0 undecidable manual SN 264 1.3542 -0.81 0.3
--.ROB.Z. 1986-05-28T17:39:20.90 10.0 undecidable manual PN 268 1.5873 1.02 0.4
--.FIN.Z. 1986-05-28T17:39:17.30 10.0 undecidable manual PN 264 1.3542 0.61 1.1
--.PS9.Z. 1986-05-28T17:39:15.50 10.0 undecidable manual SG 153 0.6882 -0.84 0.4
--.BDI.Z. 1986-05-28T17:39:08.70 10.0 undecidable manual SG 128 0.444 0.12 0.9
--.PS9.Z. 1986-05-28T17:39:06.00 10.0 undecidable manual PG 153 0.6882 -0.03 2.2
--.BDI.Z. 1986-05-28T17:39:01.30 10.0 undecidable manual PG 128 0.444 -0.25 2
--.BVT.Z. 1986-05-28T17:39:00.90 10.0 undecidable manual SG 300 0.2331 -0.58 0.9
--.BVT.Z. 1986-05-28T17:38:57.00 10.0 undecidable manual PG 300 0.2331 -0.45 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download