Earthquake with magnitude of Md 2.2 on date 18-06-1986 and time 00:51:21 (Italy) in region 2 km NE Monte Cavallo (MC)

A magnitude Md 2.2 earthquake occured in region: 2 km NE Monte Cavallo (MC), on

  • 17-06-1986 22:51:21 (UTC)
  • 18-06-1986 00:51:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.01, 13.02 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
Monte Cavallo MC 2 145 145
Pieve Torina MC 5 1458 1603
Fiordimonte MC 7 202 1805
Pievebovigliana MC 8 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 8 1070 4656
Visso MC 11 1107 5763
Fiastra MC 12 559 6322
Ussita MC 13 444 6766
Acquacanina MC 13 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Sellano PG 16 1079 15664
Sefro MC 16 422 16086
Castelsantangelo sul Nera MC 17 281 16367
Bolognola MC 17 142 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
69 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 Km NE of Viterbo (67173 inhabitants)
100 Km S of Pesaro (94582 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 2.2 1986-06-17
22:51:21
43.01 13.02 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 29579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-17 22:51:21 ± 0.406
Latitude 43.01 ± 0.02
Longitude 13.02 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29579

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) 2710.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 282
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.00437
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 29579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ARV.Z. 1986-06-17T22:51:38.50 10.0 undecidable manual SG 353 0.0044 -0.2 0.5
--.ARV.Z. 1986-06-17T22:51:31.50 10.0 undecidable manual PG 353 0.0044 0.23 0.7
--.SU9.Z. 1986-06-17T22:51:31.80 10.0 undecidable manual SG 275 0.0023 0.38 0.2
--.ASS.Z. 1986-06-17T22:51:31.50 10.0 undecidable manual SG 280 0.0024 -0.2 0.4
--.SU9.Z. 1986-06-17T22:51:27.00 10.0 undecidable manual PG 275 0.0023 -0.05 3.2
--.ASS.Z. 1986-06-17T22:51:27.00 10.0 undecidable manual PG 280 0.0024 -0.22 0.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
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