Earthquake with magnitude of Md 2.4 on date 12-02-1994 and time 13:17:34 (UTC) in region 11 km SW Longobucco (CS)

A magnitude Md 2.4 earthquake occured in region: 11 km SW Longobucco (CS), on

  • 12-02-1994 13:17:34 (UTC)
  • 12-02-1994 14:17:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.3920, 16.5070 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 11 3183 3183
Acri CS 15 20858 24041
Celico CS 17 2802 26843
San Pietro in Guarano CS 18 3663 30506
Spezzano Piccolo CS 18 2079 32585
Spezzano della Sila CS 18 4541 37126
Rose CS 18 4373 41499
Rovito CS 18 3158 44657
Lappano CS 18 941 45598
Serra Pedace CS 19 986 46584
Castiglione Cosentino CS 19 2896 49480
Casole Bruzio CS 19 2578 52058
Pedace CS 19 1907 53965
Luzzi CS 20 9396 63361
Trenta CS 20 2633 65994

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Cosenza (67546 inhabitants)
49 Km NE of Lamezia Terme (70714 inhabitants)
55 Km N of Catanzaro (90612 inhabitants)
64 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 2.4
ML-VAX 2.0
1994-02-12
13:17:34
39.392 16.507 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 205269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-02-12 13:17:34 ± 0.678
Latitude 39.3920 ± 0.0321
Longitude 16.5070 ± 0.0851
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 205269

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) 8133.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.00591
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 205269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:13:14

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 205269
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
--.ORI.Z. 1994-02-12T13:17:59.50 10.0 undecidable manual SG 355 0.6549 1.36 0.1
--.GRI.Z. 1994-02-12T13:17:57.00 10.0 undecidable manual SG 186 0.5661 1.62 0.1
--.ORI.Z. 1994-02-12T13:17:48.93 10.0 negative manual PG 355 0.6549 0.95 1.2
--.GRI.Z. 1994-02-12T13:17:45.50 10.0 undecidable manual PG 186 0.5661 -0.89 0.7
--.CSI.Z. 1994-02-12T13:17:42.31 10.0 undecidable manual PG 337 0.4218 -1.29 0.4
--.TDS.Z. 1994-02-12T13:17:40.57 10.0 negative manual PG 334 0.2997 -0.22 2.4
--.ROI.Z. 1994-02-12T13:17:37.80 10.0 undecidable manual PG 14 0.1776 -0.53 2.1
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