Earthquake with magnitude of Md 2.5 on date 19-05-1985 and time 14:28:04 (Italy) in region 7 km SE Lucoli (AQ)

A magnitude Md 2.5 earthquake occured in region: 7 km SE Lucoli (AQ), on

  • 19-05-1985 12:28:04 (UTC)
  • 19-05-1985 14:28:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2490, 13.4000 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lucoli AQ 7 1011 1011
Ocre AQ 7 1167 2178
Rocca di Cambio AQ 8 533 2711
Fossa AQ 9 721 3432
Tornimparte AQ 9 3187 6619
Rocca di Mezzo AQ 11 1526 8145
Sant'Eusanio Forconese AQ 11 394 8539
L'Aquila AQ 12 69753 78292
Villa Sant'Angelo AQ 12 424 78716
San Demetrio ne' Vestini AQ 14 1854 80570
Poggio Picenze AQ 14 1136 81706
Fagnano Alto AQ 15 418 82124
Borgorose RI 15 4591 86715
Massa d'Albe AQ 16 1476 88191
Ovindoli AQ 16 1227 89418
Fontecchio AQ 17 369 89787
Prata d'Ansidonia AQ 17 496 90283
Magliano de' Marsi AQ 18 3690 93973
Barisciano AQ 18 1828 95801
Scoppito AQ 18 3727 99528

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km S of L'Aquila (69753 inhabitants)
52 Km SW of Teramo (54892 inhabitants)
59 Km NE of Tivoli (56533 inhabitants)
62 Km E of Guidonia Montecelio (88673 inhabitants)
64 Km W of Chieti (51815 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
71 Km SE of Terni (111501 inhabitants)
71 Km W of Pescara (121014 inhabitants)
81 Km NE of Velletri (53303 inhabitants)
85 Km E of Roma (2864731 inhabitants)
96 Km NE of Aprilia (73446 inhabitants)
96 Km NE of Latina (125985 inhabitants)
97 Km SE of Foligno (57155 inhabitants)
98 Km NE of Pomezia (62966 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 2.5 1985-05-19
12:28:04
42.249 13.4 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 6599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-19 12:28:04 ± 0.097
Latitude 42.2490 ± 0.0063
Longitude 13.4000 ± 0.0147
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 6599

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) 1399.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00882
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 6599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AS1.Z. 1985-05-19T12:28:24.50 10.0 undecidable manual PG 326 0.9768 0.3 0.2
--.SD1.Z. 1985-05-19T12:28:17.50 10.0 undecidable manual PG 150 0.6105 0 1.2
--.MNS.Z. 1985-05-19T12:28:16.00 10.0 undecidable manual PG 284 0.5439 -0.18 0.7
--.AQU.Z. 1985-05-19T12:28:10.00 10.0 undecidable manual SG 0 0.0999 -0.24 0.3
--.AQU.Z. 1985-05-19T12:28:08.00 10.0 positive manual PG 0 0.0999 0.01 2.7
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