Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 4.0 on date 18-02-1990 and time 21:10:50 (Italy) in region Adriatico Centrale (MARE)

A magnitude Md 4.0 earthquake occured in region: Adriatico Centrale (MARE), on

  • 18-02-1990 20:10:50 (UTC)
  • 18-02-1990 21:10:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.1, 16.5 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km NE of Manfredonia (57279 inhabitants)
89 Km N of Barletta (94814 inhabitants)
92 Km N of Trani (56217 inhabitants)
96 Km N of Bisceglie (55422 inhabitants)
99 Km N of Andria (100440 inhabitants)
100 Km N of Molfetta (59874 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 4.0
ML-VAX 4.0 		1990-02-18
20:10:50		 42.1 16.51 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 110439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-18 20:10:50 ± 0.091
Latitude 42.10 ± 0.01
Longitude 16.51 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 110439

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) 1431.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 115
Number of defining phases 115
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) 0.0051
Epicentral distance of station farthest from the epicenter (degree) 0.08257
Number of stations at which the event was observed 107
Number of stations from which data was used for origin computation 107
Magnitudes information

Md:4

Field Value
Value 4
Uncertainty
Num. used stations 10
Type of magnitude Md
Reference to an origin 110439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:42:41

ML:4

Field Value
Value 4
Uncertainty
Num. used stations 26
Type of magnitude ML
Reference to an origin 110439
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
--.KMR.Z. 1990-02-18T20:13:30.60 10.0 undecidable manual SN 344 0.0556 1.79 0.1
--.MOX.Z. 1990-02-18T20:13:01.50 10.0 positive manual PN 339 0.0826 -1.33 0.5
--.SLE.Z. 1990-02-18T20:12:45.60 10.0 undecidable manual PN 317 0.072 -1.16 0.4
--.PRU.Z. 1990-02-18T20:12:45.50 10.0 undecidable manual PN 350 0.072 -1.13 0.4
--.EMS.Z. 1990-02-18T20:12:45.70 10.0 undecidable manual PN 302 0.0713 0 0.8
--.ZLA.Z. 1990-02-18T20:12:44.60 10.0 undecidable manual PN 315 0.0709 -0.43 0.7
--.LJU.Z. 1990-02-18T20:12:42.50 10.0 undecidable manual SN 340 0.0376 1.1 0.3
--.DIX.Z. 1990-02-18T20:12:42.60 10.0 undecidable manual PN 304 0.0687 0.89 0.5
--.BNI.Z. 1990-02-18T20:12:42.27 10.0 undecidable manual PN 295 0.0692 -0.23 0.8
--.MMK.Z. 1990-02-18T20:12:36.10 10.0 undecidable manual PN 305 0.0656 -0.8 0.6
--.KHC.Z. 1990-02-18T20:12:36.40 10.0 undecidable manual PN 344 0.0658 -0.87 1.1
--.SAX.Z. 1990-02-18T20:12:36.20 10.0 undecidable manual PN 317 0.0651 0.05 0.8
--.LLS.Z. 1990-02-18T20:12:36.50 10.0 undecidable manual PN 313 0.0643 1.59 0.2
--.DOI.Z. 1990-02-18T20:12:35.00 10.0 undecidable manual PN 292 0.0643 0.06 0.8
--.ORO.Z. 1990-02-18T20:12:32.23 10.0 undecidable manual PN 302 0.0636 -1.77 0.1
--.PTJ.Z. 1990-02-18T20:12:31.60 10.0 undecidable manual SN 354 0.0344 -1.16 0.2
--.ZAG.Z. 1990-02-18T20:12:30.00 10.0 undecidable manual SN 354 0.0337 -0.83 0.3
--.VDL.Z. 1990-02-18T20:12:29.70 10.0 undecidable manual PN 313 0.06 1.3 0.3
--.TMA.Z. 1990-02-18T20:12:28.10 10.0 undecidable manual PN 308 0.061 -1.82 0.1
--.KDZ.Z. 1990-02-18T20:12:28.00 10.0 undecidable manual PN 90 0.0593 0.63 1.4
--.VAI.Z. 1990-02-18T20:12:27.93 10.0 positive manual PN 306 0.0604 -1.05 0.9
--.OSS.Z. 1990-02-18T20:12:25.40 10.0 undecidable manual PN 317 0.058 0.01 0.9
--.CKI.Z. 1990-02-18T20:12:23.91 10.0 positive manual PN 293 0.0577 -1.02 1
--.KMR.Z. 1990-02-18T20:12:21.30 10.0 undecidable manual PN 344 0.0556 -0.4 1.7
--.VKA.Z. 1990-02-18T20:12:20.50 10.0 undecidable manual PN 358 0.0554 -0.91 0.6
--.MDI.Z. 1990-02-18T20:12:20.21 10.0 undecidable manual PN 308 0.055 -0.55 0.8
--.SRO.Z. 1990-02-18T20:12:16.70 10.0 undecidable manual PN 11 0.0526 -0.44 0.8
--.BOB.Z. 1990-02-18T20:12:16.70 10.0 undecidable manual PN 299 0.0519 0.64 0.7
--.SOP.Z. 1990-02-18T20:12:14.00 10.0 undecidable manual PN 359 0.0502 0.59 0.8
--.SAL.Z. 1990-02-18T20:12:12.50 10.0 undecidable manual PN 310 0.0499 -0.55 0.8
--.KBA.Z. 1990-02-18T20:12:11.40 10.0 positive manual PN 336 0.0491 -0.36 1.8
--.FVI.Z. 1990-02-18T20:12:07.46 10.0 undecidable manual PN 330 0.0469 -1.01 0.6
--.CTI.Z. 1990-02-18T20:12:07.93 10.0 positive manual PN 319 0.0474 -1.15 1
--.RBL.Z. 1990-02-18T20:12:03.50 10.0 undecidable manual PN 334 0.0433 0.52 0.9
--.BDI.Z. 1990-02-18T20:12:03.25 10.0 undecidable manual PN 296 0.0426 1.4 0.3
--.MME.Z. 1990-02-18T20:12:02.16 10.0 undecidable manual PN 297 0.0424 0.52 0.9
--.PII.Z. 1990-02-18T20:12:01.73 10.0 undecidable manual PN 291 0.0419 0.83 0.7
--.VAY.Z. 1990-02-18T20:12:00.40 10.0 undecidable manual PN 97 0.0413 0.54 1.8
--.MNO.Z. 1990-02-18T20:11:58.20 10.0 undecidable manual PN 198 0.0395 1.09 0.6
--.FIR.Z. 1990-02-18T20:11:55.00 10.0 undecidable manual PN 294 0.0376 0.66 0.9
--.LJU.Z. 1990-02-18T20:11:54.40 10.0 positive manual PN 340 0.0376 0.08 2.2
--.TTG.Z. 1990-02-18T20:11:53.00 10.0 undecidable manual SN! 79 0.0185 2.08 0
--.FE2.Z. 1990-02-18T20:11:53.44 10.0 undecidable manual PN 184 0.0366 0.68 0.9
--.SOI.Z. 1990-02-18T20:11:52.29 10.0 undecidable manual PN 184 0.0363 -0.02 1.1
--.MO9.Z. 1990-02-18T20:11:52.84 10.0 undecidable manual PN 188 0.0372 -0.89 0.7
--.TRI.Z. 1990-02-18T20:11:52.47 10.0 undecidable manual PN 331 0.0369 -0.78 0.8
--.PGD.Z. 1990-02-18T20:11:51.61 10.0 undecidable manual PN 298 0.0352 0.96 0.7
--.MAO.Z. 1990-02-18T20:11:51.66 10.0 undecidable manual PN 275 0.0357 0.31 1.1
--.ATN.Z. 1990-02-18T20:11:50.90 10.0 negative manual PN 191 0.0362 -1.14 1.1
--.SFI.Z. 1990-02-18T20:11:50.80 10.0 negative manual PN 299 0.0346 1.1 1.2
--.GA2.Z. 1990-02-18T20:11:50.35 10.0 undecidable manual PN 187 0.0356 -0.92 0.7
--.SC9.Z. 1990-02-18T20:11:49.56 10.0 undecidable manual PN 188 0.035 -0.67 0.9
--.GMB.Z. 1990-02-18T20:11:49.53 10.0 undecidable manual PN 187 0.0356 -1.74 0.2
--.PTJ.Z. 1990-02-18T20:11:48.60 10.0 positive manual PN 354 0.0344 -0.73 1.7
--.SA1.Z. 1990-02-18T20:11:48.34 10.0 undecidable manual PN 199 0.0338 -0.11 1.2
--.SKO.Z. 1990-02-18T20:11:47.90 10.0 negative manual PN 89 0.0329 0.76 1.7
--.CRE.Z. 1990-02-18T20:11:47.70 10.0 negative manual PN 295 0.0329 0.56 2
--.PA2.Z. 1990-02-18T20:11:47.16 10.0 undecidable manual PN 180 0.0326 0.48 1
--.ZAG.Z. 1990-02-18T20:11:47.70 10.0 undecidable manual PN 354 0.0337 -0.52 1
--.KBN.Z. 1990-02-18T20:11:46.10 10.0 negative manual PN 112 0.0317 0.79 1.7
--.RSM.Z. 1990-02-18T20:11:44.83 10.0 undecidable manual PN 302 0.0312 0.23 1.1
--.BRY.Z. 1990-02-18T20:11:44.00 10.0 undecidable manual SN 60 0.0153 1.71 0.1
--.SRN.Z. 1990-02-18T20:11:44.80 10.0 undecidable manual PN 128 0.031 0.63 1.9
--.DR2.Z. 1990-02-18T20:11:43.88 10.0 negative manual PN 187 0.0313 -0.77 1.7
--.OHR.Z. 1990-02-18T20:11:43.60 10.0 negative manual PN 105 0.0302 0.67 1.8
--.GRI.Z. 1990-02-18T20:11:42.33 10.0 undecidable manual PN 180 0.0295 0.48 1
--.DUI.Z. 1990-02-18T20:11:40.84 10.0 undecidable manual SN 254 0.0142 1.28 0.2
--.TPE.Z. 1990-02-18T20:11:39.00 10.0 positive manual PN 124 0.0293 -2.63 0
--.ASS.Z. 1990-02-18T20:11:38.82 10.0 negative manual PN 289 0.0269 0.9 1.5
--.HCY.Z. 1990-02-18T20:11:38.00 10.0 undecidable manual SN 75 0.0136 0.16 0.7
--.KKS.Z. 1990-02-18T20:11:38.20 10.0 undecidable manual PN 88 0.0261 1.6 0.3
--.SE2.Z. 1990-02-18T20:11:38.94 10.0 undecidable manual PN 176 0.0278 -0.42 1.1
--.RDP.Z. 1990-02-18T20:11:37.49 10.0 undecidable manual PN 263 0.0255 1.7 0.2
--.RMP.Z. 1990-02-18T20:11:37.54 10.0 undecidable manual PN? 265 0.0255 1.7 0.1
--.CZI.Z. 1990-02-18T20:11:36.23 10.0 positive manual PN 185 0.0261 -0.37 2.2
--.CP9.Z. 1990-02-18T20:11:34.39 10.0 undecidable manual PN 265 0.0238 1.17 0.5
--.IVA.Z. 1990-02-18T20:11:34.60 10.0 undecidable manual PN 71 0.0235 1.85 0.4
--.PVY.Z. 1990-02-18T20:11:33.90 10.0 undecidable manual PN 77 0.0235 1.25 1
--.TIR.Z. 1990-02-18T20:11:32.70 10.0 negative manual PN 105 0.0235 -0.04 2.4
--.PUK.Z. 1990-02-18T20:11:32.00 10.0 negative manual PN 89 0.0226 0.66 1.9
--.PLE.Z. 1990-02-18T20:11:31.70 10.0 undecidable manual PN 58 0.022 1.23 1
--.CIO.Z. 1990-02-18T20:11:31.29 10.0 undecidable manual PN! 294 0.0243 -2.63 0
--.ROI.Z. 1990-02-18T20:11:31.98 10.0 undecidable manual PN 178 0.0227 0.41 1.1
--.TDS.Z. 1990-02-18T20:11:30.32 10.0 negative manual PN 182 0.0219 -0.07 2.4
--.RM8.Z. 1990-02-18T20:11:30.58 10.0 positive manual PN 290 0.0232 -1.57 0.6
--.AOI.Z. 1990-02-18T20:11:29.16 10.0 negative manual PN! 304 0.0232 -3.01 0
--.AQU.Z. 1990-02-18T20:11:29.90 10.0 undecidable manual PN 276 0.0207 0.54 1
--.AZI.Z. 1990-02-18T20:11:29.96 10.0 undecidable manual PN 267 0.0205 1.81 0.2
--.CSI.Z. 1990-02-18T20:11:28.76 10.0 negative manual PN 183 0.0209 0.05 2.4
--.SDA.Z. 1990-02-18T20:11:28.00 10.0 negative manual PN 90 0.02 0.65 1.9
--.MMN.Z. 1990-02-18T20:11:28.80 10.0 negative manual PN 189 0.0202 1.15 1.1
--.SOR.Z. 1990-02-18T20:11:27.70 10.0 undecidable manual PN 227 0.02 0.3 1.1
--.MSC.Z. 1990-02-18T20:11:26.40 10.0 undecidable manual PN 244 0.0189 0.73 0.9
--.SDI.Z. 1990-02-18T20:11:25.45 10.0 undecidable manual PN 259 0.0184 0.58 1
--.ORI.Z. 1990-02-18T20:11:25.70 10.0 undecidable manual PN 180 0.0185 0.08 1.2
--.TTG.Z. 1990-02-18T20:11:25.00 10.0 undecidable manual PN 79 0.0185 -0.17 2.3
--.LCI.Z. 1990-02-18T20:11:25.61 10.0 negative manual PN 144 0.0193 -0.62 1.9
--.OVO.Z. 1990-02-18T20:11:25.00 10.0 undecidable manual PN 231 0.0182 0.31 1.1
--.ULC.Z. 1990-02-18T20:11:24.20 10.0 undecidable manual PN 92 0.0184 -0.66 1.8
--.NKY.Z. 1990-02-18T20:11:23.60 10.0 undecidable manual PN 67 0.0177 -0.29 2.2
--.SGG.Z. 1990-02-18T20:11:22.70 10.0 undecidable manual PN 246 0.0156 1.98 0.1
--.SGO.Z. 1990-02-18T20:11:20.79 10.0 undecidable manual PN 210 0.016 -0.55 1
--.BDV.Z. 1990-02-18T20:11:20.20 10.0 undecidable manual PN 82 0.0155 -0.38 2.2
--.BRY.Z. 1990-02-18T20:11:19.70 10.0 undecidable manual PN 60 0.0153 -0.48 2.1
--.DUI.Z. 1990-02-18T20:11:19.11 10.0 undecidable manual PN 254 0.0142 0.49 1
--.HCY.Z. 1990-02-18T20:11:17.00 10.0 undecidable manual PN 75 0.0136 -0.62 1.9
--.TR9.Z. 1990-02-18T20:11:16.50 10.0 undecidable manual PN 222 0.0128 0.14 1.2
--.PE1.Z. 1990-02-18T20:11:16.00 10.0 negative manual PN 151 0.0132 -0.98 1.4
--.FG4.Z. 1990-02-18T20:11:15.81 10.0 undecidable manual PN! 217 0.0109 2.25 0
--.BRT.Z. 1990-02-18T20:11:14.40 10.0 negative manual PN 158 0.0118 -0.91 1.5
--.FG2.Z. 1990-02-18T20:11:10.59 10.0 negative manual PG 253 0.0093 -0.38 2.2
--.CDT.Z. 1990-02-18T20:11:09.80 10.0 undecidable manual PG 189 0.0092 -1.02 0.7
--.BAI.Z. 1990-02-18T20:11:09.80 10.0 negative manual PG 163 0.0092 -1.01 1.3
--.MS1.Z. 1990-02-18T20:11:03.50 10.0 undecidable manual PG 226 0.0052 1.15 0
--.FG3.Z. 1990-02-18T20:11:03.85 10.0 negative manual PG 226 0.0051 1.6 0.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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