Earthquake with magnitude of Md 2.3 on date 13-07-1985 and time 00:08:06 (UTC) in region 2 km NW Giulianova (TE)

A magnitude Md 2.3 earthquake occured in region: 2 km NW Giulianova (TE), on

  • 13-07-1985 00:08:06 (UTC)
  • 13-07-1985 02:08:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.77, 13.95 at 0 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
Giulianova TE 2 24050 24050
Tortoreto TE 5 11542 35592
Mosciano Sant'Angelo TE 5 9308 44900
Alba Adriatica TE 8 12353 57253
Roseto degli Abruzzi TE 11 25537 82790
Corropoli TE 11 5045 87835
Morro d'Oro TE 12 3661 91496
Sant'Omero TE 12 5243 96739
Bellante TE 12 7152 103891
Nereto TE 12 5242 109133
Notaresco TE 13 6907 116040
Martinsicuro TE 13 16033 132073
Colonnella TE 13 3734 135807
Controguerra TE 14 2436 138243
Castellalto TE 15 7513 145756
Torano Nuovo TE 15 1611 147367
Canzano TE 18 1934 149301
Ancarano TE 19 1857 151158
Monteprandone AP 19 12655 163813
Monsampolo del Tronto AP 19 4611 168424
Spinetoli AP 20 7215 175639
Sant'Egidio alla Vibrata TE 20 9811 185450

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Teramo (54892 inhabitants)
33 Km NW of Montesilvano (53738 inhabitants)
40 Km NW of Pescara (121014 inhabitants)
50 Km NW of Chieti (51815 inhabitants)
65 Km NE of L'Aquila (69753 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 2.3 1985-07-13
00:08:06
42.77 13.95 0 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 10049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-13 00:08:06 ± 0.748
Latitude 42.77 ± 0.02
Longitude 13.95 ± 0.04
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 10049

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) 4031.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 265
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00907
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 10049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AS1.Z. 1985-07-13T00:08:42.50 10.0 undecidable manual SG 287 0.0089 -0.04 0.7
--.AM1.Z. 1985-07-13T00:08:37.50 10.0 undecidable manual SG 341 0.0074 0.52 0.6
--.CM2.Z. 1985-07-13T00:08:34.40 10.0 undecidable manual SG 305 0.0065 0.44 0.7
--.AS1.Z. 1985-07-13T00:08:28.50 10.0 undecidable manual PG 287 0.0089 1.04 0.9
--.MNS.Z. 1985-07-13T00:08:27.50 10.0 undecidable manual PG 247 0.0091 -0.28 1.7
--.PO9.Z. 1985-07-13T00:08:23.50 10.0 undecidable manual PG 255 0.0069 0.25 1.6
--.CM2.Z. 1985-07-13T00:08:22.60 10.0 undecidable manual PG 305 0.0065 0.09 2
--.AM1.Z. 1985-07-13T00:08:22.90 10.0 undecidable manual PG 341 0.0074 -1.35 0.9
--.ALP.Z. 1985-07-13T00:08:17.50 10.0 undecidable manual SG 271 0.0025 -0.16 0.4
--.ALP.Z. 1985-07-13T00:08:12.50 10.0 undecidable manual PG 271 0.0025 -0.6 0.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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