Earthquake with magnitude of Md 3.0 on date 01-09-1986 and time 10:27:05 (Italy) in region 3 km SE Montemonaco (AP)

A magnitude Md 3.0 earthquake occured in region: 3 km SE Montemonaco (AP), on

  • 01-09-1986 08:27:05 (UTC)
  • 01-09-1986 10:27:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.88, 13.36 at 5 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
Montemonaco AP 3 604 604
Montegallo AP 5 523 1127
Montefortino FM 7 1178 2305
Palmiano AP 9 196 2501
Roccafluvione AP 10 2010 4511
Comunanza AP 10 3166 7677
Venarotta AP 11 2066 9743
Amandola FM 11 3629 13372
Arquata del Tronto AP 13 1178 14550
Acquasanta Terme AP 13 2916 17466
Force AP 14 1354 18820
Montefalcone Appennino FM 15 424 19244
Smerillo FM 16 365 19609
Bolognola MC 17 142 19751
Castelsantangelo sul Nera MC 17 281 20032
Sarnano MC 18 3264 23296
Ascoli Piceno AP 18 49407 72703
Monte San Martino MC 18 765 73468
Rotella AP 19 906 74374
Ussita MC 19 444 74818
Santa Vittoria in Matenano FM 19 1330 76148
Valle Castellana TE 20 977 77125

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of Teramo (54892 inhabitants)
54 Km E of Foligno (57155 inhabitants)
59 Km N of L'Aquila (69753 inhabitants)
68 Km NE of Terni (111501 inhabitants)
76 Km NW of Montesilvano (53738 inhabitants)
83 Km E of Perugia (166134 inhabitants)
83 Km S of Ancona (100861 inhabitants)
84 Km NW of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 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 3.0 1986-09-01
08:27:05
42.88 13.36 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 33379
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-01 08:27:05 ± 0.332
Latitude 42.88 ± 0.02
Longitude 13.36 ± 0.06
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33379

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) 5339.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1
Epicentral distance of station closest to the epicenter (degree) 0.00469
Epicentral distance of station farthest from the epicenter (degree) 0.03206
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 33379
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CTI.Z. 1986-09-01T08:28:00.00 10.0 undecidable manual PN 339 0.0305 1.56 0.3
--.RBL.Z. 1986-09-01T08:27:59.50 10.0 undecidable manual PN 2 0.0321 -1.27 0.5
--.TRI.Z. 1986-09-01T08:27:49.40 10.0 undecidable manual PN 5 0.0256 -1.49 0.4
--.CRE.Z. 1986-09-01T08:27:46.00 10.0 undecidable manual SN 306 0.0113 -0.92 0.6
--.BDI.Z. 1986-09-01T08:27:44.50 10.0 undecidable manual PN 301 0.0209 0.71 1
--.PS9.Z. 1986-09-01T08:27:44.00 10.0 undecidable manual PN 293 0.02 1.56 0.4
--.ARV.Z. 1986-09-01T08:27:30.00 10.0 undecidable manual SG 334 0.0062 0 0.9
--.SD1.Z. 1986-09-01T08:27:29.50 10.0 undecidable manual PN 163 0.0109 0.92 1
--.RMP.Z. 1986-09-01T08:27:29.00 10.0 undecidable manual PN 204 0.0105 1.02 1
--.CRE.Z. 1986-09-01T08:27:28.00 10.0 undecidable manual PN 306 0.0113 -1.22 0.8
--.AQU.Z. 1986-09-01T08:27:24.50 10.0 undecidable manual SG 176 0.0047 -0.32 0.9
--.AM8.Z. 1986-09-01T08:27:20.53 10.0 negative manual PG 14 0.0062 1.02 1.9
--.ARV.Z. 1986-09-01T08:27:18.60 10.0 negative manual PG 334 0.0062 -0.85 2.2
--.AQU.Z. 1986-09-01T08:27:15.50 10.0 negative manual PG 176 0.0047 -0.96 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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