Earthquake with magnitude of Md 2.2 on date 18-07-1990 and time 21:15:20 (Italy) in region 5 km N Roccaforte del Greco (RC)

A magnitude Md 2.2 earthquake occured in region: 5 km N Roccaforte del Greco (RC), on

  • 18-07-1990 19:15:20 (UTC)
  • 18-07-1990 21:15:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0920, 15.9070 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
Roccaforte del Greco RC 5 476 476
Condofuri RC 11 5113 5589
Bagaladi RC 11 1039 6628
Bova RC 11 448 7076
San Lorenzo RC 11 2640 9716
Cardeto RC 12 1641 11357
Santo Stefano in Aspromonte RC 13 1263 12620
Samo RC 13 809 13429
Staiti RC 15 248 13677
San Luca RC 15 3881 17558
Sant'Agata del Bianco RC 15 592 18150
Caraffa del Bianco RC 16 539 18689
Sant'Alessio in Aspromonte RC 16 343 19032
Casignana RC 16 759 19791
Delianuova RC 17 3352 23143
Ferruzzano RC 17 772 23915
Laganadi RC 17 413 24328
Scido RC 17 931 25259
Bruzzano Zeffirio RC 18 1111 26370
Bova Marina RC 18 4235 30605
Montebello Ionico RC 18 6214 36819
Platì RC 19 3812 40631
Santa Cristina d'Aspromonte RC 19 929 41560
Calanna RC 19 934 42494
Sinopoli RC 19 2089 44583
Sant'Eufemia d'Aspromonte RC 20 4120 48703

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Reggio di Calabria (183035 inhabitants)
33 Km E of Messina (238439 inhabitants)
84 Km NE of Acireale (52622 inhabitants)
97 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
Bulletin
Rev1000
Md 2.2 1990-07-18
19:15:20
38.092 15.907 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 123589
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-07-18 19:15:20 ± 0.553
Latitude 38.0920 ± 0.0355
Longitude 15.9070 ± 0.0363
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 123589

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) 5063.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01020
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 123589
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:54:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.GRI.Z. 1990-07-18T19:15:50.00 10.0 undecidable manual SG 28 0.8214 0.56 0.3
--.CZI.Z. 1990-07-18T19:15:41.42 10.0 undecidable manual PN 8 1.1322 -1.06 0.3
--.GRI.Z. 1990-07-18T19:15:37.00 10.0 undecidable manual PG 28 0.8214 -0.34 0.8
--.PA2.Z. 1990-07-18T19:15:33.26 10.0 negative manual PG 48 0.5661 0.84 1.2
--.DR2.Z. 1990-07-18T19:15:31.94 10.0 negative manual PG 2 0.5439 -0.2 2.1
--.SOI.Z. 1990-07-18T19:15:25.50 10.0 undecidable manual SG 99 0.1221 -1.01 0.3
--.FE2.Z. 1990-07-18T19:15:25.85 10.0 negative manual PG 110 0.1443 1.14 0.9
--.SOI.Z. 1990-07-18T19:15:23.00 10.0 positive manual PG 99 0.1221 -1.09 0.9
--.GA2.Z. 1990-07-18T19:15:23.94 10.0 negative manual PG 321 0.0888 0.2 2.2
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