Earthquake with magnitude of Md 2.1 on date 08-02-1986 and time 02:24:07 (Italy) in region 3 km NW Fiuminata (MC)

A magnitude Md 2.1 earthquake occured in region: 3 km NW Fiuminata (MC), on

  • 08-02-1986 01:24:07 (UTC)
  • 08-02-1986 02:24:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2030, 12.9040 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
Fiuminata MC 3 1402 1402
Esanatoglia MC 7 2034 3436
Pioraco MC 7 1134 4570
Sefro MC 7 422 4992
Gualdo Tadino PG 10 15208 20200
Matelica MC 11 9981 30181
Castelraimondo MC 13 4587 34768
Nocera Umbra PG 14 5839 40607
Gagliole MC 14 620 41227
Cerreto d'Esi AN 15 3817 45044
Fabriano AN 15 31480 76524
Serravalle di Chienti MC 15 1070 77594
Camerino MC 15 6974 84568
Fossato di Vico PG 15 2840 87408
Muccia MC 18 915 88323
Sigillo PG 20 2404 90727
Valtopina PG 20 1398 92125

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
68 Km SW of Ancona (100861 inhabitants)
72 Km S of Fano (60888 inhabitants)
74 Km N of Terni (111501 inhabitants)
79 Km S of Pesaro (94582 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
89 Km NW of Teramo (54892 inhabitants)
99 Km S of Rimini (147750 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 2.1 1986-02-08
01:24:07
43.203 12.904 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 22289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-08 01:24:07 ± 0.832
Latitude 43.2030 ± 0.0664
Longitude 12.9040 ± 0.0648
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 22289

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) 9062.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00720
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 22289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:24:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1986-02-08T01:24:23.00 10.0 undecidable manual PG 301 0.7992 -0.98 0.6
--.ASS.Z. 1986-02-08T01:24:22.00 10.0 undecidable manual SG 232 0.222 4.77 0
--.ARV.Z. 1986-02-08T01:24:21.00 10.0 undecidable manual SG 5 0.2997 1.64 0.3
--.CM8.Z. 1986-02-08T01:24:16.30 10.0 undecidable manual SG 92 0.1665 0.61 0.7
--.ARV.Z. 1986-02-08T01:24:15.00 10.0 undecidable manual PG 5 0.2997 0.48 1.2
--.CM8.Z. 1986-02-08T01:24:12.13 10.0 undecidable manual PG 92 0.1665 -0.11 2.5
--.ASS.Z. 1986-02-08T01:24:11.70 10.0 positive manual PG 232 0.222 -1.59 1.6
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