Earthquake with magnitude of Md 2.4 on date 18-06-1986 and time 10:58:15 (Italy) in region 3 km SW Fiordimonte (MC)

A magnitude Md 2.4 earthquake occured in region: 3 km SW Fiordimonte (MC), on

  • 18-06-1986 08:58:15 (UTC)
  • 18-06-1986 10:58:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0180, 13.0670 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
Fiordimonte MC 3 202 202
Pieve Torina MC 3 1458 1660
Pievebovigliana MC 5 866 2526
Monte Cavallo MC 6 145 2671
Muccia MC 8 915 3586
Fiastra MC 8 559 4145
Acquacanina MC 9 121 4266
Visso MC 10 1107 5373
Ussita MC 10 444 5817
Serravalle di Chienti MC 11 1070 6887
Camerino MC 13 6974 13861
Bolognola MC 13 142 14003
Castelsantangelo sul Nera MC 15 281 14284
Preci PG 16 724 15008
Sefro MC 17 422 15430
Sellano PG 18 1079 16509
Caldarola MC 19 1823 18332
Cessapalombo MC 19 512 18844
Sarnano MC 19 3264 22108
Pioraco MC 19 1134 23242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 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
Bulletin
Rev1000
Md 2.4 1986-06-18
08:58:15
43.018 13.067 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 29629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-18 08:58:15 ± 0.156
Latitude 43.0180 ± 0.0056
Longitude 13.0670 ± 0.0133
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 29629

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) 1245.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
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) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00623
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 29629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNS.Z. 1986-06-18T08:58:40.00 10.0 undecidable manual SG 203 0.6882 0.1 0.5
--.ARV.Z. 1986-06-18T08:58:33.00 10.0 undecidable manual SG 349 0.4884 -0.33 0.1
--.MNS.Z. 1986-06-18T08:58:29.50 10.0 undecidable manual PG 203 0.6882 -0.18 0.9
--.SU9.Z. 1986-06-18T08:58:27.00 10.0 undecidable manual SG 274 0.2997 -0.21 0.5
--.ARV.Z. 1986-06-18T08:58:26.00 10.0 undecidable manual PG 349 0.4884 0.11 1.5
--.SU9.Z. 1986-06-18T08:58:22.50 10.0 undecidable manual PG 274 0.2997 0.14 2.5
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