Earthquake with magnitude of ML 0.8 on date 22-05-2013 and time 09:09:45 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.8 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 22-05-2013 07:09:45 (UTC)
  • 22-05-2013 09:09:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0580, 7.4360 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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 0.8 2013-05-22
07:09:45
46.0585 7.4358 10 2015-01-20
11:26:04
Bollettino Sismico Italiano INGV 4754471
Reviewed
Rev100
ML 0.8 2013-05-22
07:09:45
46.0317 7.4455 8 2014-10-21
12:08:56
Sala Sismica INGV-Roma 3573921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-05-22 07:09:45 ± 0.1
Latitude 46.0585 ± 0.0108
Longitude 7.4358 ± 0.0078
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4754471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1180
Semi-minor axis of confidence ellipse (meter) 630
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 1180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.38851
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 3573921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-22 07:17:50

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 4754471
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:26:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MMK.HHZ. 2013-05-22T07:09:59.03 0.6 undecidable manual S 91 40.626 50 -0.24 46
GU.SATI.HHZ. 2013-05-22T07:09:58.58 0.6 undecidable manual S 121 39.0276 50 -0.26 46
IV.MRGE.HHZ. 2013-05-22T07:09:53.87 0.1 undecidable manual P 222 43.1235 50 -0.06 95
CH.MMK.HHZ. 2013-05-22T07:09:53.59 0.1 undecidable manual P 91 40.626 50 0.04 96
GU.SATI.HHZ. 2013-05-22T07:09:53.61 0.1 undecidable manual P 121 39.0276 50 0.31 91
GU.REMY.HHZ. 2013-05-22T07:09:52.27 0.1 positive manual P 221 32.6451 50 -0.03 97
CH.DIX.HHZ. 2013-05-22T07:09:49.06 0.6 undecidable manual S 318 3.1968 162 -0.31 48
CH.DIX.HHZ. 2013-05-22T07:09:47.98 0.1 undecidable manual P 318 3.1968 162 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:0.9 0.0001465 0.28 AML other m 2013-05-22T07:09:49.09
CH.DIX.HHN. ML:0.9 0.00014150000000000002 0.24 AML other m 2013-05-22T07:09:49.19
GU.REMY.HHN. ML:0.9 0.00003245 1.58 AML other m 2013-05-22T07:09:57.27
GU.REMY.HHE. ML:0.9 0.0000321 1.58 AML other m 2013-05-22T07:09:57.72
GU.SATI.HHE. ML:0.6 0.00001285 0.38 AML other m 2013-05-22T07:09:54.12
GU.SATI.HHN. ML:0.8 0.0000197 0.56 AML other m 2013-05-22T07:09:58.82
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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