Earthquake with magnitude of Md 2.5 on date 07-04-1999 and time 18:47:12 (Italy) in region 3 km E Aieta (CS)

A magnitude Md 2.5 earthquake occured in region: 3 km E Aieta (CS), on

  • 07-04-1999 16:47:12 (UTC)
  • 07-04-1999 18:47:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9300, 15.8630 at 4 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
Aieta CS 3 823 823
Papasidero CS 7 734 1557
Praia a Mare CS 8 6725 8282
Tortora CS 8 6187 14469
Laino Castello CS 10 848 15317
Laino Borgo CS 10 1921 17238
San Nicola Arcella CS 11 1957 19195
Mormanno CS 12 3027 22222
Santa Domenica Talao CS 12 1263 23485
Castelluccio Inferiore PZ 13 2131 25616
Trecchina PZ 13 2316 27932
Lauria PZ 13 12919 40851
Castelluccio Superiore PZ 13 824 41675
Maratea PZ 14 5139 46814
Scalea CS 15 10913 57727
Orsomarso CS 15 1265 58992
Rotonda PZ 15 3494 62486
Nemoli PZ 16 1495 63981
Rivello PZ 19 2767 66748
Verbicaro CS 20 3056 69804
Viggianello PZ 20 3025 72829

Municipalities with at least 50000 inhabitants

An earthquake occurred to
78 Km NW of Cosenza (67546 inhabitants)
79 Km S of Potenza (67122 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 1.8
1999-04-07
16:47:12
39.93 15.863 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 362469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-04-07 16:47:12 ± 0.206
Latitude 39.9300 ± 0.0217
Longitude 15.8630 ± 0.0199
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 362469

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) 2947.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.01012
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 362469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:39:59

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 362469
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
--.SGO.Z. 1999-04-07T16:47:39.67 10.0 undecidable manual SG 326 0.7548 -0.61 0.3
--.CI9.Z. 1999-04-07T16:47:36.00 10.0 undecidable manual PN 325 1.1211 0.64 0.5
--.SL9.Z. 1999-04-07T16:47:32.41 10.0 undecidable manual SG 338 0.4884 0.67 0.2
--.ORI.Z. 1999-04-07T16:47:31.41 10.0 undecidable manual SG 74 0.4551 0.73 0.2
--.TDS.Z. 1999-04-07T16:47:30.43 10.0 undecidable manual SG 126 0.444 0.04 0.8
--.MU9.Z. 1999-04-07T16:47:30.43 10.0 undecidable manual PG 341 0.8769 -0.5 0.8
--.SGO.Z. 1999-04-07T16:47:28.82 10.0 undecidable manual PG 326 0.7548 0.13 1.6
--.MGR.Z. 1999-04-07T16:47:25.77 10.0 undecidable manual SG 311 0.3108 0.72 0.2
--.TDS.Z. 1999-04-07T16:47:23.24 10.0 undecidable manual PG 126 0.444 0.25 1.6
--.SL9.Z. 1999-04-07T16:47:23.28 10.0 undecidable manual PG 338 0.4884 -0.49 1
--.ORI.Z. 1999-04-07T16:47:22.67 10.0 undecidable manual PG 74 0.4551 -0.48 1
--.MGR.Z. 1999-04-07T16:47:19.92 10.0 negative manual PG 311 0.3108 0.02 3.8
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