Earthquake with magnitude of Md 4.0 on date 14-08-1990 and time 22:44:55 (UTC) in region Canale di Sicilia meridionale (MARE)

A magnitude Md 4.0 earthquake occured in region: Canale di Sicilia meridionale (MARE), on

  • 14-08-1990 22:44:55 (UTC)
  • 15-08-1990 00:44:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 35.48, 11.55 at 10 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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
Rev 1000 Md 4.0
ML-VAX 4.1
1990-08-14
22:44:55
35.49 11.55 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 124809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-08-14 22:44:55 ± 0.886
Latitude 35.49 ± 0.07
Longitude 11.55 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 124809

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) 8531.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 255
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
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) 0.02161
Epicentral distance of station farthest from the epicenter (degree) 0.11584
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

Md:4

Field Value
Value 4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 124809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:56:03

ML:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 124809
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
--.LMR.Z. 1990-08-14T22:48:30.00 10.0 undecidable manual SN! 336 0.0788 -3.88 0
--.PGF.Z. 1990-08-14T22:47:59.90 10.0 undecidable manual SN 345 0.066 -0.04 0.6
--.BGF.Z. 1990-08-14T22:47:56.80 10.0 undecidable manual PN 333 0.1158 -1.05 0.6
--.LFF.Z. 1990-08-14T22:47:53.80 10.0 undecidable manual PN 323 0.1129 0.37 1.1
--.RJF.Z. 1990-08-14T22:47:50.80 10.0 undecidable manual PN 326 0.1119 -1.14 0.6
--.LPO.Z. 1990-08-14T22:47:47.70 10.0 undecidable manual PN 323 0.1093 -0.13 1.2
--.CAF.Z. 1990-08-14T22:47:44.20 10.0 undecidable manual PN 326 0.1071 -0.29 1.1
--.EPF.Z. 1990-08-14T22:47:40.70 10.0 undecidable manual PN 315 0.1035 1.7 0.2
--.LPL.Z. 1990-08-14T22:47:28.30 10.0 undecidable manual PN 342 0.0961 0.58 1.1
--.LPG.Z. 1990-08-14T22:47:28.80 10.0 undecidable manual PN 342 0.0958 1.38 0.4
--.LRG.Z. 1990-08-14T22:47:03.10 10.0 undecidable manual PN 335 0.0802 -0.48 1.2
--.SBF.Z. 1990-08-14T22:47:03.80 10.0 undecidable manual PN 341 0.0805 -0.27 1.3
--.FRF.Z. 1990-08-14T22:47:02.40 10.0 undecidable manual PN 337 0.0802 -1.14 0.7
--.LMR.Z. 1990-08-14T22:47:00.20 10.0 undecidable manual PN 336 0.0788 -1.2 0.6
--.MO9.Z. 1990-08-14T22:46:43.48 10.0 undecidable manual SN 52 0.0374 -1.03 0.4
--.PGF.Z. 1990-08-14T22:46:41.80 10.0 undecidable manual PN 345 0.066 -0.01 1.6
--.MAO.Z. 1990-08-14T22:46:37.00 10.0 undecidable manual PN 358 0.0624 0.67 1.2
--.AZI.Z. 1990-08-14T22:46:34.00 10.0 undecidable manual PN 12 0.0599 1.44 0.5
--.CP9.Z. 1990-08-14T22:46:30.18 10.0 undecidable manual PN 10 0.0581 0.3 1.5
--.RMP.Z. 1990-08-14T22:46:29.50 10.0 undecidable manual PN 8 0.0575 0.72 1.2
--.RDP.Z. 1990-08-14T22:46:29.00 10.0 undecidable manual PN 8 0.057 0.91 1
--.BSS.Z. 1990-08-14T22:46:23.29 10.0 undecidable manual PN 25 0.0529 1.48 0.5
--.SGO.Z. 1990-08-14T22:46:21.30 10.0 undecidable manual PN 29 0.0528 -0.4 1.5
--.TDS.Z. 1990-08-14T22:46:20.00 10.0 undecidable manual PN 41 0.0507 1.51 0.4
--.MGR.Z. 1990-08-14T22:46:18.00 10.0 undecidable manual PN 33 0.0505 -0.28 1.5
--.GRI.Z. 1990-08-14T22:46:11.91 10.0 undecidable manual PN 48 0.046 0.59 1.3
--.SOI.Z. 1990-08-14T22:46:02.00 10.0 undecidable manual PN 53 0.0399 -0.01 1.6
--.SC9.Z. 1990-08-14T22:46:00.87 10.0 undecidable manual PN 49 0.0389 0.3 1.5
--.MO9.Z. 1990-08-14T22:45:58.23 10.0 undecidable manual PN 52 0.0374 -0.03 1.6
--.ATN.Z. 1990-08-14T22:45:58.00 10.0 undecidable manual PN 49 0.037 0.41 1.5
--.MNO.Z. 1990-08-14T22:45:49.50 10.0 undecidable manual PN 45 0.0316 0.2 1.6
--.GIB.Z. 1990-08-14T22:45:44.00 10.0 undecidable manual PN 38 0.0287 -0.94 1
--.PZI.Z. 1990-08-14T22:45:43.50 10.0 undecidable manual PN 59 0.0283 -0.91 1
--.ERC.Z. 1990-08-14T22:45:35.75 10.0 undecidable manual PN! 18 0.0241 -2.17 0
--.FAI.Z. 1990-08-14T22:45:35.00 10.0 undecidable manual PN 43 0.0222 0.01 1.6
--.CVT.Z. 1990-08-14T22:45:32.22 10.0 positive manual PN 24 0.0216 -1.94 0.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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