Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 23-11-1999 and time 10:38:13 (Italy) in region 4 km W San Martino di Finita (CS)

A magnitude Md 2.5 earthquake occured in region: 4 km W San Martino di Finita (CS), on

  • 23-11-1999 09:38:13 (UTC)
  • 23-11-1999 10:38:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.4950, 16.0640 at 31 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
San Martino di Finita CS 4 1100 1100
Cerzeto CS 5 1373 2473
Rota Greca CS 5 1156 3629
Mongrassano CS 6 1607 5236
Guardia Piemontese CS 6 1911 7147
Torano Castello CS 7 4614 11761
Lattarico CS 7 4013 15774
Fagnano Castello CS 8 3885 19659
Cervicati CS 8 829 20488
San Marco Argentano CS 8 7424 27912
San Benedetto Ullano CS 9 1555 29467
Fuscaldo CS 9 8140 37607
Acquappesa CS 9 1907 39514
Santa Caterina Albanese CS 10 1222 40736
Cetraro CS 11 10128 50864
Malvito CS 12 1795 52659
Montalto Uffugo CS 13 19669 72328
Paola CS 15 16013 88341
Sant'Agata di Esaro CS 16 1890 90231
Roggiano Gravina CS 16 7208 97439
San Vincenzo La Costa CS 16 2195 99634
Bonifati CS 17 2858 102492
Mottafollone CS 17 1236 103728
Sangineto CS 18 1338 105066
San Sosti CS 19 2185 107251
San Fili CS 19 2719 109970
Bisignano CS 19 10203 120173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Cosenza (67546 inhabitants)
62 Km NW of Lamezia Terme (70714 inhabitants)
80 Km NW 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
ML-VAX 2.5 		1999-11-23
09:38:13		 39.495 16.064 31 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 377289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-11-23 09:38:13 ± 0.192
Latitude 39.4950 ± 0.0128
Longitude 16.0640 ± 0.0413
Depth (km) 31 ± 57 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 377289

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) 3818.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01441
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 377289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:54:17

ML:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 377289
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
--.SOI.Z. 1999-11-23T09:38:54.12 10.0 undecidable manual S 180 1.4097 0.46 0.5
--.SGO.Z. 1999-11-23T09:38:48.60 10.0 undecidable manual S 331 1.1988 -0.04 0.7
--.SL9.Z. 1999-11-23T09:38:41.61 10.0 undecidable manual S 340 0.9546 -0.93 0.3
--.BRT.Z. 1999-11-23T09:38:38.85 10.0 undecidable manual P 30 1.5984 -0.27 1.4
--.MO9.Z. 1999-11-23T09:38:37.59 10.0 undecidable manual P 191 1.5096 -0.34 1.3
--.GRI.Z. 1999-11-23T09:38:37.00 10.0 undecidable manual S 157 0.7215 -0.16 0.8
--.ORI.Z. 1999-11-23T09:38:36.00 10.0 undecidable manual S 27 0.6216 1.21 0.1
--.SOI.Z. 1999-11-23T09:38:36.40 10.0 undecidable manual P 180 1.4097 -0.19 1.5
--.MU9.Z. 1999-11-23T09:38:36.68 10.0 undecidable manual P 341 1.332 1.21 0.3
--.LT9.Z. 1999-11-23T09:38:34.14 10.0 undecidable manual P 27 1.2432 -0.07 1.7
--.SGO.Z. 1999-11-23T09:38:32.61 10.0 undecidable manual P 331 1.1988 -1.08 0.4
--.SL9.Z. 1999-11-23T09:38:30.60 10.0 undecidable manual P 340 0.9546 -0.11 1.9
--.GRI.Z. 1999-11-23T09:38:26.44 10.0 undecidable manual P 157 0.7215 -0.62 1.2
--.ORI.Z. 1999-11-23T09:38:25.83 10.0 undecidable manual P 27 0.6216 0.14 1.9
--.TDS.Z. 1999-11-23T09:38:25.00 10.0 undecidable manual S 52 0.2553 -1.27 0.1
--.TDS.Z. 1999-11-23T09:38:21.00 10.0 undecidable manual P 52 0.2553 0.23 1.8
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