Earthquake with magnitude of Md 4.0 on date 29-10-1990 and time 09:16:16 (Italy) in region Costa Ragusana (Ragusa)

A magnitude Md 4.0 earthquake occured in region: Costa Ragusana (Ragusa), on

  • 29-10-1990 08:16:16 (UTC)
  • 29-10-1990 09:16:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.4, 14.77 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km S of Modica (54633 inhabitants)
59 Km S of Ragusa (73313 inhabitants)
65 Km SE of Vittoria (63339 inhabitants)
87 Km SW of Siracusa (122291 inhabitants)
87 Km SE of Gela (75827 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 4.3
1990-10-29
08:16:16
36.4 14.77 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 129579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-29 08:16:16 ± 0.442
Latitude 36.40 ± 0.03
Longitude 14.77 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 129579

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) 4205.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 228
Number of associated phases, regardless of their use for origin computation 95
Number of defining phases 95
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) 0.00599
Epicentral distance of station farthest from the epicenter (degree) 0.09536
Number of stations at which the event was observed 79
Number of stations from which data was used for origin computation 79
Magnitudes information

Md:4

Field Value
Value 4
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 129579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:00:28

ML:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations 11
Type of magnitude ML
Reference to an origin 129579
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
--.PLE.Z. 1990-10-29T08:19:32.60 10.0 undecidable manual SN 25 0.0699 -1.03 0.3
--.IVA.Z. 1990-10-29T08:19:28.00 10.0 undecidable manual SN 29 0.0682 -0.77 0.4
--.PVY.Z. 1990-10-29T08:19:25.00 10.0 undecidable manual SN 31 0.0664 0.97 0.4
--.BRY.Z. 1990-10-29T08:19:15.00 10.0 undecidable manual SN! 22 0.064 -2.82 0
--.PUK.Z. 1990-10-29T08:19:14.30 10.0 undecidable manual SN 33 0.062 1.77 0.1
--.TTG.Z. 1990-10-29T08:19:13.00 10.0 undecidable manual SN 28 0.0625 -0.92 0.4
--.PHP.Z. 1990-10-29T08:19:12.60 10.0 undecidable manual SN 38 0.0618 0.46 0.6
--.OHR.Z. 1990-10-29T08:19:09.00 10.0 undecidable manual SN! 43 0.0598 2.24 0
--.TIR.Z. 1990-10-29T08:19:03.00 10.0 undecidable manual SN! 37 0.057 3.74 0
--.KBN.Z. 1990-10-29T08:19:03.00 10.0 undecidable manual SN! 46 0.0568 4.19 0
--.BNI.Z. 1990-10-29T08:18:47.50 10.0 undecidable manual PN 327 0.0954 -1.66 0.3
--.FVI.Z. 1990-10-29T08:18:46.00 10.0 undecidable manual PN 352 0.0926 1.01 0.7
--.TPE.Z. 1990-10-29T08:18:44.00 10.0 undecidable manual SN 45 0.0501 2.84 0
--.MDI.Z. 1990-10-29T08:18:42.50 10.0 undecidable manual PN 339 0.091 -0.04 1.3
--.CTI.Z. 1990-10-29T08:18:40.00 10.0 undecidable manual PN 347 0.0893 0.12 1.3
--.VOY.Z. 1990-10-29T08:18:39.00 10.0 undecidable manual PN! 356 0.0868 2.9 0
--.AB9.Z. 1990-10-29T08:18:36.83 10.0 undecidable manual PN 330 0.0876 -0.42 1.2
--.BOB.Z. 1990-10-29T08:18:30.50 10.0 undecidable manual PN 336 0.0835 -0.65 1.1
--.NPS.Z. 1990-10-29T08:18:27.00 10.0 undecidable manual PN 94 0.0797 1.83 0.2
--.APE.Z. 1990-10-29T08:18:23.00 10.0 undecidable manual PN 82 0.0777 0.77 1
--.BDI.Z. 1990-10-29T08:18:17.85 10.0 undecidable manual PN 338 0.0746 0.33 1.4
--.PII.Z. 1990-10-29T08:18:14.50 10.0 undecidable manual PN 337 0.072 0.94 0.9
--.SFI.Z. 1990-10-29T08:18:12.45 10.0 undecidable manual PN 344 0.0704 1.37 0.5
--.PLG.Z. 1990-10-29T08:18:11.50 10.0 undecidable manual PN 57 0.0707 -0.16 1.5
--.SKO.Z. 1990-10-29T08:18:10.00 10.0 undecidable manual PN! 40 0.0683 2.1 0
--.PLE.Z. 1990-10-29T08:18:10.00 10.0 undecidable manual PN 25 0.0699 -0.45 1.3
--.VAY.Z. 1990-10-29T08:18:09.20 10.0 undecidable manual PN 48 0.0703 -1.66 0.3
--.VAM.Z. 1990-10-29T08:18:09.70 10.0 undecidable manual PN 93 0.069 0.82 1
--.IVA.Z. 1990-10-29T08:18:07.00 10.0 undecidable manual PN 29 0.0682 -0.64 1.2
--.CRE.Z. 1990-10-29T08:18:07.00 10.0 undecidable manual PN 344 0.0678 -0.05 1.5
--.BCI.Z. 1990-10-29T08:18:05.00 10.0 undecidable manual PN! 32 0.065 2.09 0
--.PVY.Z. 1990-10-29T08:18:04.30 10.0 undecidable manual PN 31 0.0664 -0.61 1.3
--.ARV.Z. 1990-10-29T08:18:04.60 10.0 undecidable manual PN 349 0.0651 1.68 0.3
--.NEO.Z. 1990-10-29T08:18:03.20 10.0 undecidable manual PN 63 0.0654 -0.28 1.5
--.KKS.Z. 1990-10-29T08:18:02.60 10.0 undecidable manual PN 35 0.0644 0.71 1.2
--.NKY.Z. 1990-10-29T08:18:00.00 10.0 undecidable manual PN! 25 0.0647 -2.31 0
--.BRY.Z. 1990-10-29T08:17:59.50 10.0 undecidable manual PN 22 0.064 -1.82 0.2
--.TTG.Z. 1990-10-29T08:17:58.00 10.0 undecidable manual PN 28 0.0625 -1.07 0.8
--.ASS.Z. 1990-10-29T08:17:57.78 10.0 undecidable manual PN 347 0.0617 0.03 1.6
--.PHP.Z. 1990-10-29T08:17:56.40 10.0 undecidable manual PN 38 0.0618 -1.64 0.4
--.HCY.Z. 1990-10-29T08:17:56.00 10.0 undecidable manual PN 24 0.0602 0.47 1.4
--.PUK.Z. 1990-10-29T08:17:55.30 10.0 undecidable manual PN! 33 0.062 -2.97 0
--.MAO.Z. 1990-10-29T08:17:55.30 10.0 undecidable manual PN 336 0.0597 0.34 1.5
--.OHR.Z. 1990-10-29T08:17:53.30 10.0 undecidable manual PN 43 0.0598 -1.64 0.4
--.VLI.Z. 1990-10-29T08:17:53.50 10.0 undecidable manual PN 84 0.059 -0.23 1.6
--.KBN.Z. 1990-10-29T08:17:50.00 10.0 undecidable manual PN 46 0.0568 -0.35 1.6
--.MNS.Z. 1990-10-29T08:17:50.00 10.0 undecidable manual PN 345 0.0557 1.3 0.7
--.TIR.Z. 1990-10-29T08:17:48.99 10.0 undecidable manual PN 37 0.057 -1.62 0.4
--.ITM.Z. 1990-10-29T08:17:43.20 10.0 undecidable manual PN 80 0.052 0.24 1.7
--.AZI.Z. 1990-10-29T08:17:42.00 10.0 undecidable manual PN 350 0.0511 0.4 1.6
--.RMP.Z. 1990-10-29T08:17:41.00 10.0 undecidable manual PN 344 0.0508 -0.09 1.8
--.CP9.Z. 1990-10-29T08:17:41.40 10.0 undecidable manual PN 346 0.0507 0 1.8
--.RDP.Z. 1990-10-29T08:17:40.50 10.0 undecidable manual PN 344 0.0503 0.14 1.8
--.TPE.Z. 1990-10-29T08:17:39.00 10.0 undecidable manual PN! 45 0.0501 -1.16 0
--.MS1.Z. 1990-10-29T08:17:38.00 10.0 undecidable manual PN 9 0.0483 0.52 1.6
--.DUI.Z. 1990-10-29T08:17:37.50 10.0 undecidable manual PN 357 0.0473 1.63 0.4
--.SRN.Z. 1990-10-29T08:17:36.40 10.0 undecidable manual PN 48 0.0484 -1.14 0.9
--.GRI.Z. 1990-10-29T08:17:36.00 10.0 undecidable manual SN! 27 0.0247 1.98 0
--.SDI.Z. 1990-10-29T08:17:36.50 10.0 undecidable manual PN 352 0.0482 -0.71 1.4
--.CDT.Z. 1990-10-29T08:17:33.00 10.0 undecidable manual PN! 13 0.0434 3.14 0
--.BAI.Z. 1990-10-29T08:17:31.00 10.0 undecidable manual PN 18 0.0448 -1.04 1
--.PE1.Z. 1990-10-29T08:17:29.00 10.0 undecidable manual PN 24 0.0437 -1.43 0.6
--.ERC.Z. 1990-10-29T08:17:27.88 10.0 undecidable manual SN! 313 0.0215 2.46 0
--.LCI.Z. 1990-10-29T08:17:26.98 10.0 undecidable manual PN 32 0.0425 -1.5 0.5
--.SGO.Z. 1990-10-29T08:17:22.40 10.0 undecidable manual PN 5 0.0376 1.04 1
--.ORI.Z. 1990-10-29T08:17:17.50 10.0 undecidable manual PN 19 0.0348 0.63 1.5
--.MGR.Z. 1990-10-29T08:17:16.92 10.0 undecidable manual PN 9 0.034 1.31 0.7
--.ROI.Z. 1990-10-29T08:17:14.58 10.0 undecidable manual PN! 23 0.0312 3.29 0
--.CSI.Z. 1990-10-29T08:17:14.31 10.0 undecidable manual PN 19 0.0322 1.42 0.6
--.MMN.Z. 1990-10-29T08:17:13.70 10.0 undecidable manual PN 15 0.0325 0.4 1.7
--.GIB.Z. 1990-10-29T08:17:12.00 10.0 undecidable manual SN! 339 0.0152 3.03 0
--.TDS.Z. 1990-10-29T08:17:11.72 10.0 undecidable manual PN 20 0.0313 0.26 1.8
--.MNO.Z. 1990-10-29T08:17:08.00 10.0 undecidable manual SN! 357 0.0138 2.9 0
--.SE2.Z. 1990-10-29T08:17:06.35 10.0 undecidable manual PN 30 0.0272 1.15 0.9
--.CZI.Z. 1990-10-29T08:17:04.62 10.0 undecidable manual PN 20 0.0271 -0.41 1.7
--.GRI.Z. 1990-10-29T08:17:02.50 10.0 undecidable manual PN 27 0.0247 0.66 1.4
--.FAI.Z. 1990-10-29T08:16:58.00 10.0 undecidable manual SN 315 0.0111 -0.13 0.7
--.RI2.Z. 1990-10-29T08:16:57.76 10.0 undecidable manual PN 33 0.0219 0.72 1.4
--.DR2.Z. 1990-10-29T08:16:57.25 10.0 undecidable manual PN 22 0.0218 0.33 3.5
--.LVI.Z. 1990-10-29T08:16:53.61 10.0 undecidable manual PN! 310 0.0225 -4.42 0
--.ERC.Z. 1990-10-29T08:16:52.81 10.0 undecidable manual PN! 313 0.0215 -3.62 0
--.GMB.Z. 1990-10-29T08:16:51.90 10.0 undecidable manual PN 25 0.0176 0.59 1.5
--.MSI.Z. 1990-10-29T08:16:50.16 10.0 undecidable manual PN 18 0.0171 0.34 1.7
--.SC9.Z. 1990-10-29T08:16:50.30 10.0 undecidable manual PN 21 0.018 -0.82 1.3
--.FE2.Z. 1990-10-29T08:16:50.30 10.0 undecidable manual PN 32 0.0174 -0.03 1.8
--.ATN.Z. 1990-10-29T08:16:49.42 10.0 undecidable manual PN 17 0.0165 0.5 1.6
--.MO9.Z. 1990-10-29T08:16:47.10 10.0 positive manual PN 24 0.0158 -0.81 2.5
--.CVT.Z. 1990-10-29T08:16:47.69 10.0 undecidable manual PN! 309 0.0182 -3.86 0
--.GIB.Z. 1990-10-29T08:16:46.16 10.0 undecidable manual PN 339 0.0152 -0.77 1.3
--.MNO.Z. 1990-10-29T08:16:44.81 10.0 undecidable manual PN 357 0.0138 0.11 1.8
--.MCT.Z. 1990-10-29T08:16:42.98 10.0 undecidable manual PN 323 0.0138 -1.7 0.4
--.GIO.Z. 1990-10-29T08:16:40.00 10.0 undecidable manual PN 12 0.0107 -0.07 1.8
--.FAI.Z. 1990-10-29T08:16:37.50 10.0 negative manual PN! 315 0.0111 -3.17 0
--.MEU.Z. 1990-10-29T08:16:31.38 10.0 undecidable manual PG 3 0.0064 -0.28 1.8
--.PZI.Z. 1990-10-29T08:16:31.00 10.0 positive manual PG 12 0.006 0.13 3.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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