Earthquake with magnitude of Md 1.3 on date 19-06-1985 and time 21:11:09 (Italy) in region 2 km W Offida (AP)

A magnitude Md 1.3 earthquake occured in region: 2 km W Offida (AP), on

  • 19-06-1985 19:11:09 (UTC)
  • 19-06-1985 21:11:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9370, 13.6640 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
Offida AP 2 5058 5058
Castignano AP 3 2796 7854
Appignano del Tronto AP 4 1785 9639
Cossignano AP 6 978 10617
Castorano AP 7 2380 12997
Montalto delle Marche AP 7 2122 15119
Montedinove AP 7 488 15607
Castel di Lama AP 9 8634 24241
Rotella AP 9 906 25147
Colli del Tronto AP 10 3668 28815
Spinetoli AP 10 7215 36030
Carassai AP 11 1100 37130
Ripatransone AP 11 4309 41439
Monsampolo del Tronto AP 11 4611 46050
Ortezzano FM 12 774 46824
Ascoli Piceno AP 12 49407 96231
Maltignano AP 12 2401 98632
Monte Rinaldo FM 12 379 99011
Acquaviva Picena AP 12 3831 102842
Ancarano TE 13 1857 104699
Monte Vidon Combatte FM 13 433 105132
Sant'Egidio alla Vibrata TE 13 9811 114943
Folignano AP 13 9241 124184
Montelparo FM 14 778 124962
Monteprandone AP 14 12655 137617
Force AP 14 1354 138971
Petritoli FM 15 2335 141306
Montefiore dell'Aso AP 15 2123 143429
Venarotta AP 15 2066 145495
Montottone FM 15 979 146474
Torano Nuovo TE 16 1611 148085
Controguerra TE 16 2436 150521
Santa Vittoria in Matenano FM 16 1330 151851
Monteleone di Fermo FM 17 395 152246
Massignano AP 17 1638 153884
Monsampietro Morico FM 17 659 154543
Palmiano AP 17 196 154739
Monterubbiano FM 17 2230 156969
Roccafluvione AP 17 2010 158979
Montefalcone Appennino FM 18 424 159403
Monte Giberto FM 18 801 160204
Moresco FM 18 598 160802
Grottammare AP 18 16006 176808
San Benedetto del Tronto AP 18 47303 224111
Nereto TE 18 5242 229353
Colonnella TE 18 3734 233087
Civitella del Tronto TE 18 5116 238203
Ponzano di Fermo FM 18 1674 239877
Corropoli TE 19 5045 244922
Cupra Marittima AP 19 5398 250320
Smerillo FM 19 365 250685
Belmonte Piceno FM 20 646 251331

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of Teramo (54892 inhabitants)
62 Km NW of Montesilvano (53738 inhabitants)
69 Km NE of L'Aquila (69753 inhabitants)
69 Km NW of Pescara (121014 inhabitants)
77 Km S of Ancona (100861 inhabitants)
77 Km NW of Chieti (51815 inhabitants)
78 Km E of Foligno (57155 inhabitants)
93 Km E of Terni (111501 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 1.3 1985-06-19
19:11:09
42.937 13.664 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 8749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-19 19:11:09 ± 0.351
Latitude 42.9370 ± 0.0119
Longitude 13.6640 ± 0.0404
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 8749

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) 3547.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00550
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:1.3

Field Value
Value 1.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 8749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AM1.Z. 1985-06-19T19:11:31.90 10.0 undecidable manual SG 355 0.6105 0.97 0.1
--.CM2.Z. 1985-06-19T19:11:26.30 10.0 undecidable manual SG 303 0.4551 0.39 0.7
--.AM1.Z. 1985-06-19T19:11:21.50 10.0 undecidable manual PG 355 0.6105 -0.27 2.3
--.CM2.Z. 1985-06-19T19:11:18.00 10.0 undecidable manual PG 303 0.4551 -0.88 0.4
--.ALP.Z. 1985-06-19T19:11:16.90 10.0 undecidable manual SG 204 0.1665 0.21 0.9
--.ALP.Z. 1985-06-19T19:11:13.50 10.0 undecidable manual PG 204 0.1665 -0.05 1.6
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