Earthquake with magnitude of Md 2.1 on date 21-10-1990 and time 03:06:57 (Italy) in region 8 km S Catanzaro (CZ)

A magnitude Md 2.1 earthquake occured in region: 8 km S Catanzaro (CZ), on

  • 21-10-1990 02:06:57 (UTC)
  • 21-10-1990 03:06:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.8390, 16.6090 at 21 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
Catanzaro CZ 8 90612 90612
San Floro CZ 8 716 91328
Borgia CZ 8 7611 98939
Stalettì CZ 10 2433 101372
Squillace CZ 10 3608 104980
Caraffa di Catanzaro CZ 12 1866 106846
Settingiano CZ 12 3124 109970
Montauro CZ 13 1732 111702
Simeri Crichi CZ 13 4698 116400
Soveria Simeri CZ 14 1564 117964
Sellia Marina CZ 14 7513 125477
Gasperina CZ 14 2160 127637
Marcellinara CZ 14 2285 129922
Vallefiorita CZ 14 1771 131693
Amaroni CZ 15 1855 133548
Tiriolo CZ 15 3870 137418
Girifalco CZ 16 5945 143363
Montepaone CZ 16 5282 148645
Sellia CZ 16 530 149175
Pentone CZ 17 2113 151288
Gimigliano CZ 17 3381 154669
Palermiti CZ 17 1213 155882
Miglierina CZ 17 767 156649
Amato CZ 17 835 157484
Cortale CZ 17 2117 159601
Soverato CZ 17 9204 168805
Fossato Serralta CZ 18 594 169399
Zagarise CZ 19 1647 171046
Petrizzi CZ 19 1131 172177
Centrache CZ 20 401 172578
Magisano CZ 20 1258 173836
Jacurso CZ 20 624 174460

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km S of Catanzaro (90612 inhabitants)
29 Km SE of Lamezia Terme (70714 inhabitants)
52 Km SW of Crotone (62178 inhabitants)
59 Km SE of Cosenza (67546 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 1990-10-21
02:06:57
38.839 16.609 21 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 129129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-21 02:06:57 ± 0.296
Latitude 38.8390 ± 0.0205
Longitude 16.6090 ± 0.0410
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 129129

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) 4220.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.01036
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 129129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:00:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.TDS.Z. 1990-10-21T02:07:24.89 10.0 undecidable manual SN 345 0.8436 -0.53 0.2
--.MMN.Z. 1990-10-21T02:07:19.60 10.0 undecidable manual PN 335 1.1544 1.97 0
--.FE2.Z. 1990-10-21T02:07:14.23 10.0 undecidable manual PN 207 0.888 0.12 1
--.GA2.Z. 1990-10-21T02:07:14.40 10.0 undecidable manual PN 222 0.8991 0.18 1
--.TDS.Z. 1990-10-21T02:07:13.10 10.0 undecidable manual PN 345 0.8436 -0.4 0.7
--.DR2.Z. 1990-10-21T02:07:08.14 10.0 undecidable manual PG 249 0.555 -0.62 0.8
--.CZI.Z. 1990-10-21T02:07:07.30 10.0 undecidable manual PG 315 0.5217 -0.85 0.4
--.GRI.Z. 1990-10-21T02:07:06.10 10.0 undecidable manual SG 263 0.1443 0.58 0.3
--.RI2.Z. 1990-10-21T02:07:06.15 10.0 undecidable manual PG 193 0.4218 -0.25 2.3
--.GRI.Z. 1990-10-21T02:07:02.29 10.0 negative manual PG 263 0.1443 0.37 2.1
--.SE2.Z. 1990-10-21T02:07:02.35 10.0 undecidable manual PG 27 0.1887 -0.11 2.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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