Earthquake with magnitude of Md 3.0 on date 08-07-1986 and time 08:24:19 (Italy) in region 5 km S Borbona (RI)

A magnitude Md 3.0 earthquake occured in region: 5 km S Borbona (RI), on

  • 08-07-1986 06:24:19 (UTC)
  • 08-07-1986 08:24:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.47, 13.12 at 7 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
Borbona RI 5 617 617
Micigliano RI 6 127 744
Posta RI 6 694 1438
Antrodoco RI 7 2588 4026
Cagnano Amiterno AQ 8 1369 5395
Borgo Velino RI 9 972 6367
Castel Sant'Angelo RI 12 1308 7675
Montereale AQ 12 2581 10256
Barete AQ 13 737 10993
Pizzoli AQ 15 4326 15319
Capitignano AQ 16 665 15984
Scoppito AQ 16 3727 19711
Leonessa RI 17 2435 22146
Cittareale RI 17 482 22628
Cittaducale RI 17 6828 29456
Cantalice RI 18 2755 32211
Poggio Bustone RI 20 2055 34266
Concerviano RI 20 291 34557

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of L'Aquila (69753 inhabitants)
40 Km E of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
63 Km NE of Tivoli (56533 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
83 Km NE of Roma (2864731 inhabitants)
84 Km E of Viterbo (67173 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
87 Km W of Chieti (51815 inhabitants)
89 Km W of Pescara (121014 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
93 Km SE of Perugia (166134 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 3.0 1986-07-08
06:24:19
42.47 13.13 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 30719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-07-08 06:24:19 ± 0.275
Latitude 42.47 ± 0.02
Longitude 13.13 ± 0.01
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30719

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) 2920.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.0021
Epicentral distance of station farthest from the epicenter (degree) 0.02258
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:3

Field Value
Value 3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 30719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:31:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SGO.Z. 1986-07-08T06:25:01.00 10.0 undecidable manual PN 138 0.0226 0.03 0.7
--.ARV.Z. 1986-07-08T06:24:56.50 10.0 undecidable manual SG 352 0.0093 0.88 0
--.ARV.Z. 1986-07-08T06:24:40.00 10.0 undecidable manual PG 352 0.0093 -0.55 0.3
--.RDP.Z. 1986-07-08T06:24:35.50 10.0 undecidable manual PG 203 0.007 -0.23 1.1
--.MNS.Z. 1986-07-08T06:24:34.00 10.0 undecidable manual SG 255 0.003 0.75 0
--.AQU.Z. 1986-07-08T06:24:29.50 10.0 undecidable manual SG 120 0.0021 0.11 0.5
--.MNS.Z. 1986-07-08T06:24:27.60 10.0 positive manual PG 255 0.003 -0.03 2.7
--.AQU.Z. 1986-07-08T06:24:25.50 10.0 negative manual PG 120 0.0021 0.09 2.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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