Earthquake with magnitude of Md 2.2 on date 29-12-1999 and time 03:36:13 (UTC) in region 6 km E Valfurva (SO)

A magnitude Md 2.2 earthquake occured in region: 6 km E Valfurva (SO), on

  • 29-12-1999 03:36:13 (UTC)
  • 29-12-1999 04:36:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4860, 10.4840 at 5 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
Valfurva SO 6 2638 2638
Bormio SO 8 4121 6759
Valdisotto SO 12 3556 10315
Stelvio BZ 13 1161 11476
Valdidentro SO 14 4125 15601
Prato allo Stelvio BZ 17 3474 19075
Tubre BZ 18 977 20052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km W of Bolzano (106441 inhabitants)
67 Km NW of Trento (117317 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-VAX 1.5
1999-12-29
03:36:13
46.486 10.484 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 378809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-12-29 03:36:13 ± 0.136
Latitude 46.4860 ± 0.0180
Longitude 10.4840 ± 0.0068
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 378809

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2065.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.01417
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 378809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:55:48

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 378809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FVI.Z. 1999-12-29T03:37:03.27 10.0 undecidable manual SN 85 1.5762 0.29 0.3
--.VAI.Z. 1999-12-29T03:36:57.22 10.0 undecidable manual SN 242 1.332 0.05 0.5
--.CTI.Z. 1999-12-29T03:36:45.86 10.0 undecidable manual SG 118 0.9102 0.04 0.6
--.FVI.Z. 1999-12-29T03:36:42.13 10.0 undecidable manual PN 85 1.5762 0.05 1.2
--.VAI.Z. 1999-12-29T03:36:39.00 10.0 positive manual PN 242 1.332 0.28 1.3
--.CTI.Z. 1999-12-29T03:36:32.90 10.0 negative manual PG 118 0.9102 -0.08 2.8
--.BR9.Z. 1999-12-29T03:36:17.31 10.0 undecidable manual SG 262 0.0666 0.35 0.2
--.BR9.Z. 1999-12-29T03:36:15.14 10.0 positive manual PG 262 0.0666 -0.37 1.1
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