Earthquake with magnitude of ML 1.7 on date 24-07-2008 and time 15:22:42 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.7 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 24-07-2008 13:22:42 (UTC)
  • 24-07-2008 15:22:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0530, 7.6640 at 8 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 20 2277 2277

Municipalities with at least 50000 inhabitants

An earthquake occurred to
93 Km W of Varese (80799 inhabitants)
98 Km W of Gallarate (53343 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
ML 1.7
2008-07-24
13:22:42
46.053 7.664 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 706079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-07-24 13:22:42 ± 0.34
Latitude 46.0530 ± 0.0549
Longitude 7.6640 ± 0.0156
Depth (km) 8 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 706079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6161
Semi-minor axis of confidence ellipse (meter) 1009
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 6216.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.59
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94609
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 706079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:22:12

Md:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 706079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:22:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RSP.HHN. 2008-07-24T13:23:13.27 0.3 undecidable manual Sg 197 105.0171 -0.102 65
GU.RSP.HHN. 2008-07-24T13:23:00.60 0.3 undecidable manual Pg 197 105.0171 0.395 61
IV.MRGE.HHE. 2008-07-24T13:22:59.38 0.6 undecidable manual Sg 236 56.0994 -0.954 36
GU.LSD.HHZ. 2008-07-24T13:22:56.64 0.3 undecidable manual Pg 212 77.5668 0.667 59
IV.ORO.SHZ. 2008-07-24T13:22:54.00 10.0 undecidable manual Pg 0 0 0
IV.ERC.SHZ. 2008-07-24T13:22:54.75 10.0 undecidable manual Pg 0 0 0
GU.TRAV.HHN. 2008-07-24T13:22:53.05 0.1 undecidable manual Pg 174 60.1953 -0.257 91
IV.MRGE.HHE. 2008-07-24T13:22:52.93 0.3 undecidable manual Pg 236 56.0994 0.251 69
CH.DIX.HHE. 2008-07-24T13:22:49.60 0.3 undecidable manual Sg 279 20.2686 -0.196 74
IV.MCEL.HHN. 2008-07-24T13:22:47.61 10.0 undecidable manual Pg 0 0 0
CH.DIX.HHE. 2008-07-24T13:22:46.75 0.1 undecidable manual Pg 279 20.2686 0.154 100
CH.MMK.HHZ. 2008-07-24T13:22:46.97 0.1 undecidable manual Pg 90 23.1546 -0.165 99
IV.MTRZ.HHE. 2008-07-24T13:22:34.20 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