Earthquake with magnitude of Md 2.3 on date 16-03-1986 and time 13:01:52 (Italy) in region 4 km NW Filadelfia (VV)

A magnitude Md 2.3 earthquake occured in region: 4 km NW Filadelfia (VV), on

  • 16-03-1986 12:01:52 (UTC)
  • 16-03-1986 13:01:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.8160, 16.2740 at 12 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
Filadelfia VV 4 5384 5384
Francavilla Angitola VV 4 1939 7323
Curinga CZ 4 6779 14102
San Pietro a Maida CZ 7 4200 18302
Polia VV 8 1023 19325
Maida CZ 9 4566 23891
Jacurso CZ 10 624 24515
Monterosso Calabro VV 11 1729 26244
Cortale CZ 12 2117 28361
Pizzo VV 13 9278 37639
Girifalco CZ 13 5945 43584
Capistrano VV 14 1042 44626
Maierato VV 14 2188 46814
Amaroni CZ 15 1855 48669
Filogaso VV 15 1417 50086
Cenadi CZ 16 563 50649
Olivadi CZ 16 529 51178
San Vito sullo Ionio CZ 16 1811 52989
Centrache CZ 17 401 53390
San Nicola da Crissa VV 17 1335 54725
Vallefiorita CZ 17 1771 56496
Palermiti CZ 17 1213 57709
Sant'Onofrio VV 17 3067 60776
Lamezia Terme CZ 18 70714 131490
Pianopoli CZ 19 2589 134079
Vallelonga VV 19 706 134785
Chiaravalle Centrale CZ 19 5759 140544
Feroleto Antico CZ 19 2171 142715
Gizzeria CZ 19 4982 147697
Caraffa di Catanzaro CZ 20 1866 149563
Stefanaconi VV 20 2494 152057
Torre di Ruggiero CZ 20 1033 153090

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km S of Lamezia Terme (70714 inhabitants)
30 Km W of Catanzaro (90612 inhabitants)
53 Km S of Cosenza (67546 inhabitants)
79 Km W of Crotone (62178 inhabitants)
93 Km NE of Messina (238439 inhabitants)
96 Km NE of Reggio di Calabria (183035 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 1986-03-16
12:01:52
38.816 16.274 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 24219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-16 12:01:52 ± 0.357
Latitude 38.8160 ± 0.0172
Longitude 16.2740 ± 0.0319
Depth (km) 12 ± 8 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 24219

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) 3361.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00979
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 24219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:26:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MMN.Z. 1986-03-16T12:02:12.10 10.0 undecidable manual PN 348 1.0878 -0.84 0.1
--.CSI.Z. 1986-03-16T12:02:11.70 10.0 undecidable manual PG 0 0.9657 0.52 0.3
--.CZI.Z. 1986-03-16T12:02:01.20 10.0 undecidable manual PG 345 0.4107 0.25 1.8
--.RI2.Z. 1986-03-16T12:02:01.70 10.0 undecidable manual PG 157 0.4218 0.5 0.5
--.DR2.Z. 1986-03-16T12:01:58.90 10.0 undecidable manual PG 237 0.3108 -0.21 1.9
--.GR9.Z. 1986-03-16T12:01:57.50 10.0 undecidable manual SG 89 0.1221 -0.74 0.1
--.GR9.Z. 1986-03-16T12:01:55.70 10.0 negative manual PG 89 0.1221 0.05 2.1
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