Earthquake with magnitude of Md 2.4 on date 24-07-1985 and time 11:18:55 (UTC) in region 8 km SE Lucoli (AQ)

A magnitude Md 2.4 earthquake occured in region: 8 km SE Lucoli (AQ), on

  • 24-07-1985 11:18:55 (UTC)
  • 24-07-1985 13:18:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2270, 13.3730 at 4 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 8 1011 1011
Tornimparte AQ 9 3187 4198
Rocca di Cambio AQ 10 533 4731
Ocre AQ 11 1167 5898
Borgorose RI 12 4591 10489
Fossa AQ 12 721 11210
Rocca di Mezzo AQ 12 1526 12736
Massa d'Albe AQ 13 1476 14212
L'Aquila AQ 14 69753 83965
Sant'Eusanio Forconese AQ 14 394 84359
Villa Sant'Angelo AQ 15 424 84783
Magliano de' Marsi AQ 15 3690 88473
Ovindoli AQ 16 1227 89700
San Demetrio ne' Vestini AQ 17 1854 91554
Fagnano Alto AQ 17 418 91972
Poggio Picenze AQ 18 1136 93108
Scurcola Marsicana AQ 18 2824 95932
Pescorocchiano RI 19 2075 98007
Scoppito AQ 19 3727 101734
Fontecchio AQ 19 369 102103
Sante Marie AQ 20 1166 103269
Tagliacozzo AQ 20 6889 110158

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km S of L'Aquila (69753 inhabitants)
55 Km SW of Teramo (54892 inhabitants)
56 Km NE of Tivoli (56533 inhabitants)
59 Km E of Guidonia Montecelio (88673 inhabitants)
67 Km W of Chieti (51815 inhabitants)
70 Km SE of Terni (111501 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
78 Km NE of Velletri (53303 inhabitants)
82 Km E of Roma (2864731 inhabitants)
92 Km NE of Aprilia (73446 inhabitants)
93 Km NE of Latina (125985 inhabitants)
95 Km NE of Pomezia (62966 inhabitants)
98 Km SE of Foligno (57155 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 1985-07-24
11:18:55
42.227 13.373 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 10789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-24 11:18:55 ± 0.329
Latitude 42.2270 ± 0.0173
Longitude 13.3730 ± 0.0319
Depth (km) 4 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 10789

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) 3255.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00542
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 10789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:14:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SD1.Z. 1985-07-24T11:19:17.50 10.0 undecidable manual SG 147 0.5994 -0.66 0
--.PO9.Z. 1985-07-24T11:19:14.00 10.0 undecidable manual SG 317 0.4662 0.31 0.4
--.SD1.Z. 1985-07-24T11:19:09.00 10.0 undecidable manual PG 147 0.5994 0.41 0.6
--.MNS.Z. 1985-07-24T11:19:07.00 10.0 undecidable manual PG 287 0.5328 -0.2 1.4
--.PO9.Z. 1985-07-24T11:19:06.00 10.0 undecidable manual PG 317 0.4662 0 1.9
--.AQU.Z. 1985-07-24T11:19:00.50 10.0 undecidable manual SG 9 0.1221 -0.17 0.7
--.AQU.Z. 1985-07-24T11:18:58.50 10.0 undecidable manual PG 9 0.1221 0.01 2
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