Earthquake with magnitude of Md 1.8 on date 12-03-1986 and time 03:54:00 (UTC) in region 2 km SE Oppido Mamertina (RC)

A magnitude Md 1.8 earthquake occured in region: 2 km SE Oppido Mamertina (RC), on

  • 12-03-1986 03:54:00 (UTC)
  • 12-03-1986 04:54:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.28, 16 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
Oppido Mamertina RC 2 5332 5332
Molochio RC 4 2564 7896
Santa Cristina d'Aspromonte RC 4 929 8825
Varapodio RC 4 2160 10985
Terranova Sappo Minulio RC 5 523 11508
Cosoleto RC 6 859 12367
Scido RC 7 931 13298
Platì RC 8 3812 17110
Taurianova RC 8 15636 32746
Delianuova RC 9 3352 36098
San Procopio RC 10 534 36632
Melicuccà RC 11 930 37562
Cittanova RC 11 10410 47972
Sinopoli RC 11 2089 50061
Ciminà RC 13 568 50629
Seminara RC 13 2811 53440
Antonimina RC 13 1317 54757
Sant'Eufemia d'Aspromonte RC 13 4120 58877
San Giorgio Morgeto RC 15 3058 61935
Rizziconi RC 15 7829 69764
Careri RC 15 2360 72124
Polistena RC 16 10496 82620
Palmi RC 16 18930 101550
Benestare RC 16 2556 104106
San Luca RC 16 3881 107987
Cinquefrondi RC 17 6539 114526
Bagnara Calabra RC 18 10255 124781
Ardore RC 18 5088 129869
Melicucco RC 18 5101 134970
Canolo RC 18 746 135716
Sant'Ilario dello Ionio RC 18 1377 137093
Portigliola RC 19 1201 138294
Anoia RC 19 2212 140506
Gioia Tauro RC 19 19864 160370
Gerace RC 19 2652 163022
Agnana Calabra RC 20 562 163584
Maropati RC 20 1524 165108

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Reggio di Calabria (183035 inhabitants)
40 Km E of Messina (238439 inhabitants)
82 Km SW of Lamezia Terme (70714 inhabitants)
87 Km SW of Catanzaro (90612 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 1.8 1986-03-12
03:54:00
38.28 16 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 23989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-12 03:54:00 ± 0.103
Latitude 38.28 ± 0.00
Longitude 16.00 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23989

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) 1344.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00842
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 23989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:25:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CZI.Z. 1986-03-12T03:54:19.50 10.0 undecidable manual PG 6 0.0084 0.47 0.2
--.DR2.Z. 1986-03-12T03:54:14.00 10.0 undecidable manual SG 351 0.0032 -0.15 0.4
--.RI2.Z. 1986-03-12T03:54:09.00 10.0 undecidable manual PG 70 0.0036 -0.04 1.6
--.SO9.Z. 1986-03-12T03:54:09.20 10.0 undecidable manual SG 168 0.0019 -0.09 0.7
--.DR2.Z. 1986-03-12T03:54:08.20 10.0 undecidable manual PG 351 0.0032 -0.18 1
--.FE2.Z. 1986-03-12T03:54:06.20 10.0 undecidable manual PG 164 0.0023 -0.07 1.6
--.SO9.Z. 1986-03-12T03:54:05.70 10.0 undecidable manual PG 168 0.0019 0.13 1.5
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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