Earthquake with magnitude of Md 2.4 on date 12-09-1985 and time 23:36:03 (Italy) in region 5 km SE Rocca Pia (AQ)

A magnitude Md 2.4 earthquake occured in region: 5 km SE Rocca Pia (AQ), on

  • 12-09-1985 21:36:03 (UTC)
  • 12-09-1985 23:36:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8950, 13.9960 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
Rocca Pia AQ 5 178 178
Pescocostanzo AQ 6 1128 1306
Rivisondoli AQ 7 700 2006
Roccaraso AQ 9 1627 3633
Pettorano sul Gizio AQ 9 1376 5009
Scanno AQ 10 1847 6856
Cansano AQ 12 274 7130
Campo di Giove AQ 14 803 7933
Villalago AQ 14 568 8501
Villetta Barrea AQ 14 653 9154
Introdacqua AQ 15 2126 11280
Civitella Alfedena AQ 15 296 11576
Barrea AQ 15 726 12302
Castel di Sangro AQ 15 6538 18840
Palena CH 15 1392 20232
Scontrone AQ 17 574 20806
Ateleta AQ 17 1181 21987
Pacentro AQ 18 1174 23161
Gamberale CH 18 320 23481
Lettopalena CH 18 358 23839
Sulmona AQ 18 24557 48396
Alfedena AQ 18 864 49260
Bugnara AQ 18 1125 50385
Opi AQ 19 420 50805
Anversa degli Abruzzi AQ 19 341 51146
San Pietro Avellana IS 20 503 51649
Pescasseroli AQ 20 2203 53852
Bisegna AQ 20 223 54075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km S of Chieti (51815 inhabitants)
66 Km S of Pescara (121014 inhabitants)
70 Km S of Montesilvano (53738 inhabitants)
71 Km SE of L'Aquila (69753 inhabitants)
88 Km S of Teramo (54892 inhabitants)
95 Km N of Caserta (76326 inhabitants)
99 Km E of Tivoli (56533 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 2.4 1985-09-12
21:36:03
41.895 13.996 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 13059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-09-12 21:36:03 ± 1.469
Latitude 41.8950 ± 0.0922
Longitude 13.9960 ± 0.0435
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 13059

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) 10862.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 267
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00631
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 13059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:16:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGG.Z. 1985-09-12T21:36:25.50 10.0 undecidable manual SG 150 0.5772 0.91 0.3
--.SGG.Z. 1985-09-12T21:36:17.10 10.0 undecidable manual PG 150 0.5772 1.23 0.4
--.MSC.Z. 1985-09-12T21:36:17.80 10.0 undecidable manual PG 181 0.6993 -0.31 1.2
--.DUI.Z. 1985-09-12T21:36:17.50 10.0 undecidable manual SG 124 0.4107 -1.77 0.1
--.DUI.Z. 1985-09-12T21:36:12.50 10.0 undecidable manual PG 124 0.4107 -0.3 1.5
--.SD1.Z. 1985-09-12T21:36:12.30 10.0 undecidable manual SG 216 0.222 -1.04 0.3
--.SD1.Z. 1985-09-12T21:36:09.50 10.0 negative manual PG 216 0.222 0.13 3.3
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