Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-04-2014 and time 23:22:43 (Italy) in region 7 km W Valdisotto (SO)

A magnitude ML 1.6 earthquake occured in region: 7 km W Valdisotto (SO), on

  • 01-04-2014 21:22:43 (UTC)
  • 01-04-2014 23:22:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4230, 10.2660 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Valdisotto SO 7 3556 3556
Valdidentro SO 8 4125 7681
Bormio SO 10 4121 11802
Sondalo SO 11 4136 15938
Valfurva SO 12 2638 18576
Grosio SO 14 4443 23019
Grosotto SO 16 1622 24641
Livigno SO 16 6389 31030
Mazzo di Valtellina SO 18 1022 32052
Vervio SO 19 217 32269
Tovo di Sant'Agata SO 20 628 32897

Municipalities with at least 50000 inhabitants

An earthquake occurred to
77 Km W of Trento (117317 inhabitants)
84 Km W of Bolzano (106441 inhabitants)
93 Km NE of Bergamo (119381 inhabitants)
98 Km N of Brescia (196480 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 2014-04-01
21:22:43		 46.4227 10.2657 10 2015-09-21
09:36:10		 Bollettino Sismico Italiano INGV 9130701
Reviewed
Rev100 		ML 1.6 2014-04-01
21:22:43		 46.4143 10.2612 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6039881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-01 21:22:43 ± 0.14
Latitude 46.4227 ± 0.0081
Longitude 10.2657 ± 0.0078
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 9130701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 727
Semi-minor axis of confidence ellipse (meter) 581
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 0.78691
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 6039881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-01 21:27:28

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 9130701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-10-29 16:11:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHE. 2014-04-01T21:23:10.34 0.3 undecidable manual S 67 87.3459 50 0.46 70
SI.KOSI.HHZ. 2014-04-01T21:23:09.77 0.3 undecidable manual S 87 85.1481 50 0.46 71
IV.MAGA.HHE. 2014-04-01T21:23:07.44 0.3 undecidable manual S 159 77.0673 50 0.29 74
SI.LUSI.HHZ. 2014-04-01T21:23:05.93 0.3 undecidable manual S 134 73.1712 50 -0.18 77
IV.APPI.EHZ. 2014-04-01T21:23:05.86 0.3 undecidable manual S 85 73.8705 50 -0.43 73
MN.TUE.HHZ. 2014-04-01T21:23:04.93 0.3 undecidable manual S 275 70.374 50 -0.45 73
CH.DAVOX.HHZ. 2014-04-01T21:22:59.35 0.3 undecidable manual S 324 49.4172 50 -0.43 76
SI.KOSI.HHZ. 2014-04-01T21:22:59.13 0.3 positive manual P 87 85.1481 50 0.6 67
SI.ABSI.HHE. 2014-04-01T21:22:59.14 0.3 positive manual P 67 87.3459 50 0.27 73
IV.APPI.EHZ. 2014-04-01T21:22:57.21 0.3 positive manual P 85 73.8705 50 0.42 73
IV.MAGA.HHE. 2014-04-01T21:22:57.79 0.3 positive manual P 159 77.0673 50 0.5 71
IV.MABI.HHZ. 2014-04-01T21:22:57.67 0.1 undecidable manual S 155 45.0216 50 -0.93 84
SI.LUSI.HHZ. 2014-04-01T21:22:56.29 0.6 positive manual P 134 73.1712 50 -0.4 49
MN.TUE.HHZ. 2014-04-01T21:22:56.58 0.1 positive manual P 275 70.374 50 0.31 100
CH.DAVOX.HHZ. 2014-04-01T21:22:53.48 0.3 positive manual P 324 49.4172 50 0.45 76
SI.MOSI.HHZ. 2014-04-01T21:22:53.94 0.3 undecidable manual S 45 30.5472 50 -0.8 69
IV.MABI.HHZ. 2014-04-01T21:22:52.39 0.3 positive manual P 155 45.0216 50 0.04 83
CH.BERNI.HHZ. 2014-04-01T21:22:50.90 0.3 undecidable manual S 267 18.5703 117 -0.18 85
SI.MOSI.HHZ. 2014-04-01T21:22:50.25 0.3 positive manual P 45 30.5472 50 0.13 84
CH.BERNI.HHZ. 2014-04-01T21:22:48.33 0.3 positive manual P 267 18.5703 117 0.32 82
IV.BORM.HNE. 2014-04-01T21:22:47.95 0.3 undecidable manual S 58 9.879 134 -0.66 75
IV.BORM.HNE. 2014-04-01T21:22:46.69 0.3 positive manual P 58 9.879 134 0.1 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APPI.EHN. ML:1.9 0.0001305 0.6 AML other m 2014-04-01T21:23:07.29
IV.APPI.EHE. ML:1.8 0.0001027 0.66 AML other m 2014-04-01T21:23:07.49
CH.BERNI.HHE. ML:1.7 0.00037 0.3 AML other m 2014-04-01T21:22:51.13
CH.BERNI.HHN. ML:1.7 0.00036449999999999997 0.82 AML other m 2014-04-01T21:22:51.32
CH.DAVOX.HHE. ML:1.3 0.00005185 0.2 AML other m 2014-04-01T21:22:59.46
CH.DAVOX.HHN. ML:1.2 0.000038100000000000005 0.88 AML other m 2014-04-01T21:23:02.00
SI.KOSI.HHE. ML:1.4 0.000029900000000000002 0.76 AML other m 2014-04-01T21:23:11.09
SI.KOSI.HHN. ML:1.3 0.000024550000000000004 0.68 AML other m 2014-04-01T21:23:11.29
SI.LUSI.HHN. ML:1.9 0.0001275 0.84 AML other m 2014-04-01T21:23:06.77
SI.LUSI.HHE. ML:1.6 0.00005875 0.86 AML other m 2014-04-01T21:23:06.78
SI.MOSI.HHE. ML:2.0 0.0005005 0.26 AML other m 2014-04-01T21:22:54.94
SI.MOSI.HHN. ML:2.0 0.00048499999999999997 1.1 AML other m 2014-04-01T21:22:57.08
MN.TUE.HHN. ML:1.6 0.00006395000000000001 0.42 AML other m 2014-04-01T21:23:05.28
MN.TUE.HHE. ML:1.4 0.00004355 0.22 AML other m 2014-04-01T21:23:05.65
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download