Earthquake with magnitude of Md 3.8 on date 19-05-1985 and time 14:40:28 (UTC) in region 4 km S Lucoli (AQ)

A magnitude Md 3.8 earthquake occured in region: 4 km S Lucoli (AQ), on

  • 19-05-1985 14:40:28 (UTC)
  • 19-05-1985 16:40:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.26, 13.33 at 7 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
Lucoli AQ 4 1011 1011
Tornimparte AQ 4 3187 4198
Borgorose RI 10 4591 8789
L'Aquila AQ 12 69753 78542
Ocre AQ 13 1167 79709
Rocca di Cambio AQ 14 533 80242
Fossa AQ 14 721 80963
Scoppito AQ 14 3727 84690
Pescorocchiano RI 16 2075 86765
Fiamignano RI 17 1413 88178
Rocca di Mezzo AQ 17 1526 89704
Sant'Eusanio Forconese AQ 17 394 90098
Massa d'Albe AQ 17 1476 91574
Villa Sant'Angelo AQ 18 424 91998
Magliano de' Marsi AQ 19 3690 95688
Poggio Picenze AQ 19 1136 96824
San Demetrio ne' Vestini AQ 20 1854 98678
Sante Marie AQ 20 1166 99844

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of L'Aquila (69753 inhabitants)
54 Km NE of Tivoli (56533 inhabitants)
55 Km SW of Teramo (54892 inhabitants)
57 Km NE of Guidonia Montecelio (88673 inhabitants)
65 Km SE of Terni (111501 inhabitants)
70 Km W of Chieti (51815 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
78 Km NE of Velletri (53303 inhabitants)
80 Km NE of Roma (2864731 inhabitants)
93 Km NE of Aprilia (73446 inhabitants)
93 Km SE of Foligno (57155 inhabitants)
94 Km NE of Pomezia (62966 inhabitants)
94 Km NE of Latina (125985 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 3.8
ML-VAX 4.2
1985-05-19
14:40:28
42.26 13.33 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 6639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-19 14:40:28 ± 0.45
Latitude 42.26 ± 0.01
Longitude 13.33 ± 0.02
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 6639

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) 2470.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.04598
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

Md:3.8

Field Value
Value 3.8
Uncertainty
Num. used stations 9
Type of magnitude Md
Reference to an origin 6639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:57

ML:4.2

Field Value
Value 4.2
Uncertainty
Num. used stations 9
Type of magnitude ML
Reference to an origin 6639
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
--.TRI.Z. 1985-05-19T14:42:01.00 10.0 undecidable manual SN 5 0.0312 -1.06 0.3
--.CTI.Z. 1985-05-19T14:42:14.50 10.0 undecidable manual SN 343 0.0357 0.3 0.4
--.ORO.Z. 1985-05-19T14:41:46.00 10.0 undecidable manual PN 313 0.046 0.91 0.6
--.BD1.Z. 1985-05-19T14:41:18.00 10.0 undecidable manual SG
--.BG1.Z. 1985-05-19T14:41:35.50 10.0 undecidable manual PN 324 0.0393 0.55 0.9
--.FO1.Z. 1985-05-19T14:41:35.70 10.0 undecidable manual PN 355 0.0391 1.05 0.6
--.RBL.Z. 1985-05-19T14:41:32.70 10.0 undecidable manual PN 2 0.0376 0.34 1
--.LCI.Z. 1985-05-19T14:41:32.30 10.0 undecidable manual PN 116 0.0367 1.46 0.4
--.TRI.Z. 1985-05-19T14:41:22.50 10.0 undecidable manual PN 5 0.0312 0.04 1.2
--.SAL.Z. 1985-05-19T14:41:29.70 10.0 undecidable manual PN? 329 0.0351 1.14 0.2
--.LJU.Z. 1985-05-19T14:41:29.20 10.0 undecidable manual PN 12 0.0349 1.01 0.7
--.BRY.Z. 1985-05-19T14:41:29.00 10.0 undecidable manual PN 78 0.035 0.66 0.9
--.CTI.Z. 1985-05-19T14:41:29.60 10.0 positive manual PN 343 0.0357 0.13 2.1
--.HCY.Z. 1985-05-19T14:41:28.00 10.0 undecidable manual PN 85 0.0344 0.6 0.9
--.VOY.Z. 1985-05-19T14:41:26.90 10.0 undecidable manual PN 5 0.0341 -0.1 1.1
--.CVF.Z. 1985-05-19T14:41:21.40 10.0 undecidable manual PN 276 0.0297 1.15 0.6
--.BRT.Z. 1985-05-19T14:41:19.90 10.0 negative manual PN 114 0.0285 1.42 0.9
--.BAI.Z. 1985-05-19T14:41:15.00 10.0 negative manual PN 112 0.026 0.43 2.4
--.BD1.Z. 1985-05-19T14:41:12.50 10.0 undecidable manual PN 313 0.0241 0.72 1.1
--.AR1.Z. 1985-05-19T14:41:10.00 10.0 undecidable manual SN 347 0.0114 0.05 0.6
--.SGO.Z. 1985-05-19T14:41:06.50 10.0 undecidable manual PN 138 0.0202 0.64 1.2
--.FIR.Z. 1985-05-19T14:41:06.00 10.0 undecidable manual PN 315 0.0193 1.68 0.4
--.MS1.Z. 1985-05-19T14:41:03.00 10.0 undecidable manual PN 105 0.0181 0.37 1.4
--.DUI.Z. 1985-05-19T14:41:02.50 10.0 undecidable manual SG 125 0.0092 -1.48 0.2
--.BS1.Z. 1985-05-19T14:41:01.00 10.0 undecidable manual PN 142 0.0167 0.59 1.2
--.SOR.Z. 1985-05-19T14:40:59.90 10.0 undecidable manual PN 155 0.0165 -0.22 1.4
--.CH1.Z. 1985-05-19T14:40:58.50 10.0 undecidable manual PN 324 0.0153 0.24 1.4
--.OVO.Z. 1985-05-19T14:40:58.10 10.0 undecidable manual PN 150 0.0147 0.7 1.2
--.MA1.Z. 1985-05-19T14:40:57.00 10.0 undecidable manual PN 276 0.0145 -0.05 1.5
--.AR1.Z. 1985-05-19T14:40:51.80 10.0 undecidable manual PN 347 0.0114 -0.57 2.5
--.AM1.Z. 1985-05-19T14:40:51.90 10.0 negative manual PN 8 0.0117 -0.97 1.9
--.MSC.Z. 1985-05-19T14:40:51.50 10.0 undecidable manual PN 155 0.0104 0.56 1.3
--.SGG.Z. 1985-05-19T14:40:49.10 10.0 undecidable manual PN 137 0.0105 -1.87 0.3
--.ALP.Z. 1985-05-19T14:40:48.40 10.0 undecidable manual SG 18 0.0049 -0.21 0.9
--.AS1.Z. 1985-05-19T14:40:46.20 10.0 positive manual PG 328 0.0085 -1.14 1.6
--.DUI.Z. 1985-05-19T14:40:46.80 10.0 undecidable manual PG 125 0.0092 -2.13 0.2
--.RDP.Z. 1985-05-19T14:40:41.60 10.0 undecidable manual PG 222 0.006 -0.69 1.2
--.SD1.Z. 1985-05-19T14:40:40.50 10.0 positive manual PG 146 0.0058 -1.45 1.1
--.ALP.Z. 1985-05-19T14:40:38.20 10.0 positive manual PG 18 0.0049 -1.86 0.6
--.MNS.Z. 1985-05-19T14:40:38.20 10.0 positive manual PG 285 0.0044 -0.77 2.2
--.PO9.Z. 1985-05-19T14:40:37.00 10.0 undecidable manual PG 318 0.0038 -0.71 1.2
--.AQU.Z. 1985-05-19T14:40:35.70 10.0 undecidable manual SG 29 0.001 2.39 0
--.AQU.Z. 1985-05-19T14:40:31.20 10.0 undecidable manual PG 29 0.001 -0.02 1.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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