Earthquake with magnitude of Md 2.3 on date 03-11-1986 and time 01:42:31 (UTC) in region 1 km W Campotosto (AQ)

A magnitude Md 2.3 earthquake occured in region: 1 km W Campotosto (AQ), on

  • 03-11-1986 01:42:31 (UTC)
  • 03-11-1986 02:42:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5560, 13.3530 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
Campotosto AQ 2 542 542
Capitignano AQ 6 665 1207
Montereale AQ 9 2581 3788
Amatrice RI 10 2657 6445
Crognaleto TE 10 1297 7742
Barete AQ 13 737 8479
Pizzoli AQ 14 4326 12805
Cortino TE 15 656 13461
Cagnano Amiterno AQ 15 1369 14830
Fano Adriano TE 15 296 15126
Pietracamela TE 17 271 15397
Cittareale RI 17 482 15879
Accumoli RI 18 667 16546
Borbona RI 19 617 17163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
71 Km W of Chieti (51815 inhabitants)
71 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
100 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
Bulletin
Rev1000
Md 2.3 1986-11-03
01:42:31
42.556 13.353 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 36639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-11-03 01:42:31 ± 0.813
Latitude 42.5560 ± 0.0605
Longitude 13.3530 ± 0.1567
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 36639

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) 14492.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
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) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00818
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 36639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:36:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SD1.Z. 1986-11-03T01:43:04.50 10.0 undecidable manual SG 158 0.9102 1.33 0
--.ASS.Z. 1986-11-03T01:42:58.00 10.0 undecidable manual SG 314 0.7215 0.94 0.2
--.SD1.Z. 1986-11-03T01:42:49.50 10.0 undecidable manual PG 158 0.9102 -0.49 1
--.ASS.Z. 1986-11-03T01:42:46.00 10.0 undecidable manual PG 314 0.7215 -0.46 1.1
--.AQU.Z. 1986-11-03T01:42:40.50 10.0 undecidable manual SG 169 0.1998 0.01 1
--.AQU.Z. 1986-11-03T01:42:36.50 10.0 negative manual PG 169 0.1998 -0.4 2.7
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