Earthquake with magnitude of Md 2.3 on date 19-05-1985 and time 09:16:58 (Italy) in region 5 km NW Ovindoli (AQ)

A magnitude Md 2.3 earthquake occured in region: 5 km NW Ovindoli (AQ), on

  • 19-05-1985 07:16:58 (UTC)
  • 19-05-1985 09:16:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1550, 13.4690 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
Ovindoli AQ 5 1227 1227
Rocca di Mezzo AQ 7 1526 2753
Massa d'Albe AQ 8 1476 4229
Rocca di Cambio AQ 9 533 4762
Celano AQ 10 11017 15779
Magliano de' Marsi AQ 11 3690 19469
Aielli AQ 13 1475 20944
Villa Sant'Angelo AQ 14 424 21368
Avezzano AQ 14 42515 63883
Fagnano Alto AQ 14 418 64301
Fontecchio AQ 14 369 64670
Scurcola Marsicana AQ 14 2824 67494
Ocre AQ 14 1167 68661
Cerchio AQ 15 1635 70296
Tione degli Abruzzi AQ 15 310 70606
Fossa AQ 16 721 71327
Sant'Eusanio Forconese AQ 16 394 71721
Collarmele AQ 17 894 72615
San Demetrio ne' Vestini AQ 17 1854 74469
Secinaro AQ 17 359 74828
Prata d'Ansidonia AQ 18 496 75324
Lucoli AQ 19 1011 76335
Gagliano Aterno AQ 19 254 76589
Poggio Picenze AQ 20 1136 77725
Borgorose RI 20 4591 82316
Tagliacozzo AQ 20 6889 89205
Caporciano AQ 20 230 89435

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km S of L'Aquila (69753 inhabitants)
59 Km E of Tivoli (56533 inhabitants)
59 Km SW of Teramo (54892 inhabitants)
62 Km W of Chieti (51815 inhabitants)
64 Km E of Guidonia Montecelio (88673 inhabitants)
69 Km SW of Montesilvano (53738 inhabitants)
70 Km SW of Pescara (121014 inhabitants)
77 Km NE of Velletri (53303 inhabitants)
81 Km SE of Terni (111501 inhabitants)
86 Km E of Roma (2864731 inhabitants)
90 Km NE of Latina (125985 inhabitants)
92 Km NE of Aprilia (73446 inhabitants)
96 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 2.3 1985-05-19
07:16:58
42.155 13.469 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 6529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-19 07:16:58 ± 1.754
Latitude 42.1550 ± 0.0838
Longitude 13.4690 ± 0.0975
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 6529

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) 12300.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 305
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00559
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 6529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PO9.Z. 1985-05-19T07:17:20.00 10.0 undecidable manual SG 317 0.5661 0.86 0.5
--.PO9.Z. 1985-05-19T07:17:11.50 10.0 undecidable manual PG 317 0.5661 0.93 0.7
--.MNS.Z. 1985-05-19T07:17:10.50 10.0 undecidable manual PG 291 0.6216 -1.08 0.6
--.AQU.Z. 1985-05-19T07:17:06.00 10.0 undecidable manual SG 345 0.1998 -1.36 0.3
--.AQU.Z. 1985-05-19T07:17:04.00 10.0 positive manual PG 345 0.1998 0.23 3
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