Earthquake with magnitude of Md 2.5 on date 19-10-2001 and time 23:03:26 (Italy) in region 2 km NE Valdisotto (SO)

A magnitude Md 2.5 earthquake occured in region: 2 km NE Valdisotto (SO), on

  • 19-10-2001 21:03:26 (UTC)
  • 19-10-2001 23:03:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4480, 10.3700 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
Valdisotto SO 2 3556 3556
Bormio SO 3 4121 7677
Valfurva SO 4 2638 10315
Valdidentro SO 7 4125 14440
Sondalo SO 13 4136 18576
Grosio SO 18 4443 23019

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km NW of Trento (117317 inhabitants)
76 Km W of Bolzano (106441 inhabitants)
100 Km NE of Bergamo (119381 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 2.5
ML-VAX 1.5
2001-10-19
21:03:26
46.448 10.37 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 429359
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2001-10-19 21:03:26 ± 0.228
Latitude 46.4480 ± 0.0204
Longitude 10.3700 ± 0.0271
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 429359

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) 3074.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.01498
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 429359
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:45:15

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 429359
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. 2001-10-19T21:04:18.74 10.0 undecidable manual SN 84 1.665 0.87 0.1
--.CTI.Z. 2001-10-19T21:03:59.64 10.0 undecidable manual SG 113 0.9657 -0.87 0.1
--.FVI.Z. 2001-10-19T21:03:56.55 10.0 undecidable manual PN 84 1.665 0.4 0.9
--.VAI.Z. 2001-10-19T21:03:50.70 10.0 undecidable manual PN 242 1.2543 0.23 1.3
--.CTI.Z. 2001-10-19T21:03:46.22 10.0 undecidable manual PG 113 0.9657 0.09 1.7
--.BRMO.Z. 2001-10-19T21:03:28.36 10.0 undecidable manual SG 4 0.0222 -0.14 0.7
--.BRMO.Z. 2001-10-19T21:03:27.21 10.0 positive manual PG 4 0.0222 -0.43 2.2
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