Earthquake with magnitude of Md 2.2 on date 17-06-1986 and time 16:38:11 (Italy) in region 6 km E Varsi (PR)

A magnitude Md 2.2 earthquake occured in region: 6 km E Varsi (PR), on

  • 17-06-1986 14:38:11 (UTC)
  • 17-06-1986 16:38:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6600, 9.9230 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
Varsi PR 6 1230 1230
Solignano PR 7 1773 3003
Varano de' Melegari PR 8 2676 5679
Pellegrino Parmense PR 8 1048 6727
Valmozzola PR 11 539 7266
Bore PR 12 749 8015
Terenzo PR 14 1196 9211
Fornovo di Taro PR 14 6100 15311
Bardi PR 15 2227 17538
Calestano PR 17 2100 19638
Vernasca PC 17 2131 21769
Berceto PR 18 2109 23878
Salsomaggiore Terme PR 18 19831 43709
Morfasso PC 19 1024 44733
Lugagnano Val d'Arda PC 20 4116 48849

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Parma (192836 inhabitants)
47 Km SE of Piacenza (102191 inhabitants)
53 Km S of Cremona (71901 inhabitants)
56 Km W of Reggio nell'Emilia (171345 inhabitants)
62 Km N of La Spezia (93959 inhabitants)
66 Km N of Carrara (63133 inhabitants)
71 Km N of Massa (69479 inhabitants)
77 Km W of Carpi (70699 inhabitants)
79 Km W of Modena (184973 inhabitants)
83 Km E of Genova (586655 inhabitants)
84 Km SE of Pavia (72576 inhabitants)
92 Km N of Viareggio (62467 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 1986-06-17
14:38:11
44.66 9.923 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 29549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-17 14:38:11 ± 0.594
Latitude 44.6600 ± 0.0139
Longitude 9.9230 ± 0.0570
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29549

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) 4770.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 245
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00316
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 29549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CO9.Z. 1986-06-17T14:38:24.50 10.0 undecidable manual SG 287 0.3552 -0.54 0.3
--.VEA.Z. 1986-06-17T14:38:23.80 10.0 undecidable manual SG 316 0.3108 0.01 0.8
--.CO9.Z. 1986-06-17T14:38:20.50 10.0 undecidable manual PG 287 0.3552 1.07 0.4
--.BVT.Z. 1986-06-17T14:38:20.20 10.0 undecidable manual SG 202 0.1998 0.07 0.9
--.VEA.Z. 1986-06-17T14:38:18.60 10.0 undecidable manual PG 316 0.3108 -0.11 1.7
--.BVT.Z. 1986-06-17T14:38:16.50 10.0 undecidable manual PG 202 0.1998 -0.1 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