Earthquake with magnitude of Md 3.3 on date 10-08-1986 and time 17:49:49 (UTC) in region 1 km SW Santo Stefano in Aspromonte (RC)

A magnitude Md 3.3 earthquake occured in region: 1 km SW Santo Stefano in Aspromonte (RC), on

  • 10-08-1986 17:49:49 (UTC)
  • 10-08-1986 19:49:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.16, 15.78 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
Santo Stefano in Aspromonte RC 1 1263 1263
Sant'Alessio in Aspromonte RC 2 343 1606
Laganadi RC 4 413 2019
Calanna RC 6 934 2953
San Roberto RC 7 1750 4703
Cardeto RC 9 1641 6344
Fiumara RC 10 1018 7362
Scilla RC 12 4964 12326
Campo Calabro RC 12 4536 16862
Sant'Eufemia d'Aspromonte RC 13 4120 20982
Reggio di Calabria RC 13 183035 204017
Bagnara Calabra RC 14 10255 214272
Villa San Giovanni RC 14 13784 228056
Sinopoli RC 14 2089 230145
Delianuova RC 15 3352 233497
Bagaladi RC 15 1039 234536
Scido RC 16 931 235467
Roccaforte del Greco RC 16 476 235943
San Procopio RC 17 534 236477
San Lorenzo RC 17 2640 239117
MelicuccĂ  RC 18 930 240047
Cosoleto RC 18 859 240906
Condofuri RC 19 5113 246019
Motta San Giovanni RC 19 6208 252227
Santa Cristina d'Aspromonte RC 20 929 253156
Montebello Ionico RC 20 6214 259370

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Reggio di Calabria (183035 inhabitants)
20 Km E of Messina (238439 inhabitants)
81 Km NE of Acireale (52622 inhabitants)
95 Km NE of Catania (314555 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 3.3 1986-08-10
17:49:49
38.16 15.78 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 32609
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-08-10 17:49:49 ± 0.556
Latitude 38.16 ± 0.05
Longitude 15.78 ± 0.03
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 32609

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) 6104.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.02752
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:3.3

Field Value
Value 3.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 32609
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:33:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BAI.Z. 1986-08-10T17:50:37.00 10.0 undecidable manual PN 15 0.0275 -0.64 0.4
--.TR9.Z. 1986-08-10T17:50:36.20 10.0 undecidable manual PN 351 0.0262 0.6 0.5
--.MG9.Z. 1986-08-10T17:50:24.00 10.0 undecidable manual PN 354 0.0178 1.18 0.2
--.FAI.Z. 1986-08-10T17:50:22.40 10.0 undecidable manual PN 242 0.017 0.85 0.4
--.MS9.Z. 1986-08-10T17:50:19.50 10.0 undecidable manual SG 255 0.0079 -0.38 0.4
--.CSI.Z. 1986-08-10T17:50:17.00 10.0 undecidable manual PN 13 0.015 -1.52 0.1
--.ROI.Z. 1986-08-10T17:50:16.50 10.0 undecidable manual PN 23 0.0138 -0.19 1.1
--.GIB.Z. 1986-08-10T17:50:14.50 10.0 positive manual PN 263 0.0125 -0.18 2.1
--.SE2.Z. 1986-08-10T17:50:11.40 10.0 undecidable manual PN 40 0.01 0.43 1.8
--.MS9.Z. 1986-08-10T17:50:06.50 10.0 undecidable manual PG 255 0.0079 -0.53 0.8
--.RI2.Z. 1986-08-10T17:50:01.80 10.0 undecidable manual PG 64 0.0054 -0.1 2.2
--.MSI.Z. 1986-08-10T17:49:54.00 10.0 positive manual PG 283 0.0016 0.06 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download