Earthquake with magnitude of Md 3.1 on date 17-01-2003 and time 17:25:17 (Italy) in region 10 km SW Longobucco (CS)

A magnitude Md 3.1 earthquake occured in region: 10 km SW Longobucco (CS), on

  • 17-01-2003 16:25:17 (UTC)
  • 17-01-2003 17:25:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.36, 16.57 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
Longobucco CS 10 3183 3183
San Giovanni in Fiore CS 16 17372 20555
Bocchigliero CS 17 1298 21853
Savelli KR 19 1271 23124
Castelsilano KR 20 1015 24139

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Cosenza (67546 inhabitants)
48 Km NE of Lamezia Terme (70714 inhabitants)
51 Km N of Catanzaro (90612 inhabitants)
57 Km NW of Crotone (62178 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 3.1
ML-VAX 2.4
2003-01-17
16:25:17
39.37 16.57 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 466479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-01-17 16:25:17 ± 0.529
Latitude 39.37 ± 0.01
Longitude 16.57 ± 0.09
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 466479

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) 7519.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.01457
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 466479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:22:12

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 466479
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 Takeoff_angle Residual Weight
--.MRLC.Z. 2003-01-17T16:25:46.73 10.0 undecidable manual PN 329 0.0146 0.34 1.1
--.SGO.Z. 2003-01-17T16:25:44.73 10.0 undecidable manual PN 321 0.0138 -0.54 0.8
--.ORI.Z. 2003-01-17T16:25:43.37 10.0 undecidable manual SG 351 0.0062 0.96 0.1
--.SOI.Z. 2003-01-17T16:25:43.26 10.0 undecidable manual PN 197 0.0121 0.52 0.9
--.SLCN.N. 2003-01-17T16:25:41.90 10.0 undecidable manual PN 324 0.0113 0.54 0.9
--.GRI.Z. 2003-01-17T16:25:37.97 10.0 undecidable manual SG 192 0.0049 -0.07 0.7
--.TDS.Z. 2003-01-17T16:25:30.20 10.0 undecidable manual SG 328 0.0031 -0.76 0.3
--.ORI.Z. 2003-01-17T16:25:30.95 10.0 undecidable manual PG 351 0.0062 -0.86 0.5
--.GRI.Z. 2003-01-17T16:25:28.86 10.0 undecidable manual PG 192 0.0049 -0.43 1.3
--.TDS.Z. 2003-01-17T16:25:25.29 10.0 positive manual PG 328 0.0031 0.2 3.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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