Earthquake with magnitude of Md 2.4 on date 30-03-1985 and time 13:49:15 (UTC) in region 2 km NW Scoppito (AQ)

A magnitude Md 2.4 earthquake occured in region: 2 km NW Scoppito (AQ), on

  • 30-03-1985 13:49:15 (UTC)
  • 30-03-1985 14:49:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.39, 13.24 at 9 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
Scoppito AQ 2 3727 3727
Pizzoli AQ 7 4326 8053
Barete AQ 8 737 8790
Cagnano Amiterno AQ 8 1369 10159
Tornimparte AQ 12 3187 13346
Lucoli AQ 13 1011 14357
Antrodoco RI 13 2588 16945
L'Aquila AQ 14 69753 86698
Borgo Velino RI 15 972 87670
Montereale AQ 16 2581 90251
Capitignano AQ 16 665 90916
Fiamignano RI 16 1413 92329
Borbona RI 17 617 92946
Micigliano RI 17 127 93073
Castel Sant'Angelo RI 17 1308 94381
Petrella Salto RI 17 1197 95578
Posta RI 19 694 96272

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km W of L'Aquila (69753 inhabitants)
49 Km SW of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
59 Km NE of Tivoli (56533 inhabitants)
60 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
81 Km W of Pescara (121014 inhabitants)
83 Km NE of Roma (2864731 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
100 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
Rev 1000 Md 2.4 1985-03-30
13:49:15
42.39 13.24 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 3799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-30 13:49:15 ± 0.355
Latitude 42.39 ± 0.07
Longitude 13.24 ± 0.08
Depth (km) 9 ± 12 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 3799

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) 10003.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.01012
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 3799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:08:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.AS1.Z. 1985-03-30T13:49:42.50 10.0 undecidable manual SG 327 0.0072 -0.96 0.3
--.AR1.Z. 1985-03-30T13:49:38.00 10.0 undecidable manual PN 349 0.0101 0.61 0.7
--.AS1.Z. 1985-03-30T13:49:30.00 10.0 undecidable manual PG 327 0.0072 -1.68 0.2
--.MNS.Z. 1985-03-30T13:49:30.00 10.0 undecidable manual SG 270 0.0036 -0.96 0.3
--.PO9.Z. 1985-03-30T13:49:28.00 10.0 undecidable manual SG 310 0.0026 1 0.3
--.MNS.Z. 1985-03-30T13:49:24.50 10.0 undecidable manual PG 270 0.0036 0.04 1.6
--.PO9.Z. 1985-03-30T13:49:23.00 10.0 positive manual PG 310 0.0026 0.82 2
--.AQU.Z. 1985-03-30T13:49:22.00 10.0 undecidable manual SG 105 0.0011 0.74 0.7
--.AQU.Z. 1985-03-30T13:49:18.50 10.0 negative manual PG 105 0.0011 -0.36 2.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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