Earthquake with magnitude of Md 2.5 on date 18-05-2003 and time 00:33:57 (UTC) in region 5 km E Longobucco (CS)

A magnitude Md 2.5 earthquake occured in region: 5 km E Longobucco (CS), on

  • 18-05-2003 00:33:57 (UTC)
  • 18-05-2003 02:33:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.4360, 16.6630 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 5 3183 3183
Bocchigliero CS 8 1298 4481
Cropalati CS 11 1084 5565
Paludi CS 11 1062 6627
Caloveto CS 12 1263 7890
Campana CS 14 1813 9703
Pietrapaola CS 14 1141 10844
Mandatoriccio CS 16 2872 13716
Rossano CS 16 36842 50558
Savelli KR 17 1271 51829
Crosia CS 18 9762 61591
Calopezzati CS 18 1369 62960
Scala Coeli CS 19 1014 63974

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Cosenza (67546 inhabitants)
56 Km NW of Crotone (62178 inhabitants)
59 Km NE of Lamezia Terme (70714 inhabitants)
59 Km N of Catanzaro (90612 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 2003-05-18
00:33:57
39.436 16.663 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 477799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2003-05-18 00:33:57 ± 0.46
Latitude 39.4360 ± 0.0157
Longitude 16.6630 ± 0.0509
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 477799

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) 4708.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.01433
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 477799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 00:34:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 2003-05-18T00:34:44.85 10.0 undecidable manual SN 317 1.5207 -0.67 0.5
--.MGR.Z. 2003-05-18T00:34:35.18 10.0 undecidable manual SN 309 1.0989 -0.22 0.8
--.MRLC.Z. 2003-05-18T00:34:26.98 10.0 undecidable manual PN 325 1.5873 0.9 0.9
--.SGO.Z. 2003-05-18T00:34:25.95 10.0 undecidable manual PN 317 1.5207 0.79 1
--.SLCN.Z. 2003-05-18T00:34:21.97 10.0 undecidable manual PN 320 1.2321 0.8 1.2
--.GRI.Z. 2003-05-18T00:34:21.51 10.0 undecidable manual SG 196 0.6327 0.69 0.6
--.ORI.Z. 2003-05-18T00:34:21.21 10.0 undecidable manual SG 344 0.6327 0.56 0.7
--.MGR.Z. 2003-05-18T00:34:19.42 10.0 undecidable manual PN 309 1.0989 0.11 2.1
--.GRI.Z. 2003-05-18T00:34:10.19 10.0 undecidable manual PG 196 0.6327 -0.71 1.5
--.TDS.Z. 2003-05-18T00:34:10.70 10.0 undecidable manual SG 311 0.333 0.31 0.8
--.ORI.Z. 2003-05-18T00:34:09.52 10.0 undecidable manual PG 344 0.6327 -1.28 0.6
--.TDS.Z. 2003-05-18T00:34:04.00 10.0 undecidable manual PG 311 0.333 -0.88 1.2
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