Earthquake with magnitude of ML 0.9 on date 18-04-2011 and time 05:06:09 (Italy) in region 7 km W Limone sul Garda (BS)

A magnitude ML 0.9 earthquake occured in region: 7 km W Limone sul Garda (BS), on

  • 18-04-2011 03:06:09 (UTC)
  • 18-04-2011 05:06:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8280, 10.7090 at 7 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
Limone sul Garda BS 7 1181 1181
Ledro TN 7 5395 6576
Tremosine sul Garda BS 8 2100 8676
Magasa BS 9 142 8818
Tignale BS 10 1256 10074
Storo TN 10 4682 14756
Malcesine VR 11 3736 18492
Borgo Chiese TN 11 2029 20521
Valvestino BS 11 184 20705
Riva del Garda TN 12 16926 37631
Bondone TN 12 670 38301
Castel Condino TN 13 229 38530
Pieve di Bono-Prezzo TN 14 1474 40004
Brenzone sul Garda VR 14 2474 42478
Nago-Torbole TN 14 2867 45345
Tenno TN 14 2069 47414
Valdaone TN 15 1205 48619
Capovalle BS 15 369 48988
Gargnano BS 16 2934 51922
Arco TN 17 17526 69448
Sella Giudicarie TN 18 2943 72391
Anfo BS 18 486 72877
Bagolino BS 19 3897 76774
Brentonico TN 19 4015 80789

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SW of Trento (117317 inhabitants)
49 Km NW of Verona (258765 inhabitants)
50 Km NE of Brescia (196480 inhabitants)
72 Km W of Vicenza (112953 inhabitants)
82 Km E of Bergamo (119381 inhabitants)
90 Km SW of Bolzano (106441 inhabitants)
94 Km NE of Cremona (71901 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 1.8
ML 0.9
2011-04-18
03:06:09
45.828 10.709 7 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1197919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-18 03:06:09 ± 0.47
Latitude 45.8280 ± 0.0198
Longitude 10.7090 ± 0.0232
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1197919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2835
Semi-minor axis of confidence ellipse (meter) 1440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 137
Circular confidence region, given by single value of horizontal uncertainty (meter) 2842.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 198
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) 0.91
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 0.74284
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1197919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:25:50

Md:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 1197919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:25:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APPI.EHE. 2011-04-18T03:06:35.95 0.6 undecidable manual Sg 29 82.4508 0.808 36
IV.APPI.EHE. 2011-04-18T03:06:23.94 0.6 undecidable manual Pg 29 82.4508 -0.474 41
IV.MABI.HHE. 2011-04-18T03:06:20.55 0.6 undecidable manual Sg 329 29.3484 0.338 47
IV.MABI.HHE. 2011-04-18T03:06:15.43 0.1 undecidable manual Pg 329 29.3484 -0.365 94
IV.MAGA.HHZ. 2011-04-18T03:06:14.27 0.6 undecidable manual Sg 227 8.5803 0.688 44
IV.MAGA.HHZ. 2011-04-18T03:06:11.75 0.1 undecidable manual Pg 227 8.5803 -0.216 100
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