Earthquake with magnitude of ML 1.8 on date 11-06-2011 and time 00:30:36 (UTC) in region 3 km E Varsi (PR)

A magnitude ML 1.8 earthquake occured in region: 3 km E Varsi (PR), on

  • 11-06-2011 00:30:36 (UTC)
  • 11-06-2011 02:30:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6510, 9.8840 at 37 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 3 1230 1230
Solignano PR 9 1773 3003
Valmozzola PR 9 539 3542
Pellegrino Parmense PR 10 1048 4590
Bore PR 10 749 5339
Varano de' Melegari PR 11 2676 8015
Bardi PR 12 2227 10242
Morfasso PC 16 1024 11266
Terenzo PR 17 1196 12462
Vernasca PC 17 2131 14593
Fornovo di Taro PR 18 6100 20693
Berceto PR 18 2109 22802
Lugagnano Val d'Arda PC 20 4116 26918
Calestano PR 20 2100 29018
Salsomaggiore Terme PR 20 19831 48849

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Parma (192836 inhabitants)
47 Km SE of Piacenza (102191 inhabitants)
55 Km S of Cremona (71901 inhabitants)
59 Km W of Reggio nell'Emilia (171345 inhabitants)
61 Km N of La Spezia (93959 inhabitants)
66 Km N of Carrara (63133 inhabitants)
71 Km NW of Massa (69479 inhabitants)
80 Km E of Genova (586655 inhabitants)
81 Km W of Carpi (70699 inhabitants)
82 Km SE of Pavia (72576 inhabitants)
83 Km W of Modena (184973 inhabitants)
92 Km NW 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
ML 1.8 2011-06-11
00:30:36
44.651 9.884 37 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1238179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-06-11 00:30:36 ± 0.27
Latitude 44.6510 ± 0.0081
Longitude 9.8840 ± 0.0063
Depth (km) 37 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1238179

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 885
Semi-minor axis of confidence ellipse (meter) 450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 152
Circular confidence region, given by single value of horizontal uncertainty (meter) 1029.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35074
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1238179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 00:20:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PRMA.HHZ. 2011-06-11T00:30:51.31 0.1 undecidable manual Sg 70 36.0417 0.091 99
IV.BOB.HHE. 2011-06-11T00:30:51.34 0.1 undecidable manual Sg 291 36.741 -0.013 100
GU.SC2M.HHE. 2011-06-11T00:30:51.72 0.1 undecidable manual Sg 225 38.9277 -0.078 98
IV.BOB.HHE. 2011-06-11T00:30:45.00 0.1 undecidable manual Pg 291 36.741 0.023 100
GU.SC2M.HHE. 2011-06-11T00:30:45.37 0.1 undecidable manual Pg 225 38.9277 0.136 97
IV.PRMA.HHZ. 2011-06-11T00:30:44.74 0.1 undecidable manual Pg 70 36.0417 -0.16 97
IV.ATCC.EHE. 2011-06-11T00:30:29.30 10.0 undecidable manual Sg 0 0 0
MN.PDG.HHN. 2011-06-11T00:30:14.63 10.0 undecidable manual Pg 0 0 0
IV.ATCC.EHE. 2011-06-11T00:30:11.97 10.0 undecidable manual Pg 0 0 0
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