Earthquake with magnitude of ML 1.6 on date 23-07-2008 and time 01:52:24 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.6 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 23-07-2008 01:52:24 (UTC)
  • 23-07-2008 03:52:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0290, 7.6550 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
Valtournenche AO 17 2277 2277

Municipalities with at least 50000 inhabitants

An earthquake occurred to
93 Km W of Varese (80799 inhabitants)
97 Km W of Gallarate (53343 inhabitants)
99 Km NW of Novara (104380 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 1.6 2008-07-23
01:52:24
46.029 7.655 7 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 705799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-07-23 01:52:24 ± 0.16
Latitude 46.0290 ± 0.0144
Longitude 7.6550 ± 0.0117
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 705799

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1617
Semi-minor axis of confidence ellipse (meter) 663
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 1835.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92180
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 705799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:21:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.DAVOX.HHE. 2008-07-23T01:53:25.13 10.0 undecidable manual Sg 0 0 0
CH.DAVOX.HHE. 2008-07-23T01:53:00.52 10.0 undecidable manual Pg 0 0 0
GU.RSP.HHN. 2008-07-23T01:52:55.07 0.1 undecidable manual Sg 197 102.3198 -0.275 81
GU.LSD.HHN. 2008-07-23T01:52:47.78 0.1 undecidable manual Sg 213 74.9694 -0.266 86
GU.RSP.HHN. 2008-07-23T01:52:43.03 0.1 undecidable manual Pg 197 102.3198 0.677 72
CH.EMV.HHZ. 2008-07-23T01:52:43.49 0.1 undecidable manual Sg 274 58.3971 -0.128 91
GU.TRAV.HHN. 2008-07-23T01:52:43.41 0.3 undecidable manual Sg 173 57.6978 -0.037 70
GU.LSD.HHN. 2008-07-23T01:52:38.55 0.1 undecidable manual Pg 213 74.9694 0.411 83
GU.TRAV.HHN. 2008-07-23T01:52:35.12 0.1 undecidable manual Pg 173 57.6978 -0.364 87
CH.EMV.HHZ. 2008-07-23T01:52:35.75 0.1 undecidable manual Pg 274 58.3971 0.167 90
IV.MRGE.HHE. 2008-07-23T01:52:34.75 0.1 undecidable manual Pg 238 54.1014 -0.182 91
IV.ORO.SHZ. 2008-07-23T01:52:34.95 0.1 undecidable manual Pg 150 51.2154 0.463 86
CH.DIX.HHE. 2008-07-23T01:52:31.96 0.1 undecidable manual Sg 287 20.1687 -0.011 100
IV.FSSB.HHE. 2008-07-23T01:52:31.78 10.0 undecidable manual Pg 0 0 0
CH.MMK.HHE. 2008-07-23T01:52:29.28 0.1 undecidable manual Pg 84 23.9538 -0.313 93
CH.DIX.HHE. 2008-07-23T01:52:28.86 0.1 undecidable manual Pg 287 20.1687 0.002 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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