Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.2 on date 04-07-1990 and time 20:14:05 (Italy) in region 4 km N Maida (CZ)

A magnitude Md 2.2 earthquake occured in region: 4 km N Maida (CZ), on

  • 04-07-1990 18:14:05 (UTC)
  • 04-07-1990 20:14:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8910, 16.3660 at 5 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Maida CZ 4 4566 4566
Jacurso CZ 5 624 5190
San Pietro a Maida CZ 5 4200 9390
Cortale CZ 7 2117 11507
Pianopoli CZ 8 2589 14096
Curinga CZ 8 6779 20875
Feroleto Antico CZ 8 2171 23046
Girifalco CZ 9 5945 28991
Amato CZ 10 835 29826
Lamezia Terme CZ 10 70714 100540
Caraffa di Catanzaro CZ 11 1866 102406
Miglierina CZ 11 767 103173
Marcellinara CZ 12 2285 105458
Amaroni CZ 13 1855 107313
Settingiano CZ 13 3124 110437
Platania CZ 13 2172 112609
Filadelfia VV 13 5384 117993
Tiriolo CZ 14 3870 121863
Serrastretta CZ 14 3176 125039
San Floro CZ 15 716 125755
Borgia CZ 15 7611 133366
Francavilla Angitola VV 15 1939 135305
Vallefiorita CZ 15 1771 137076
San Pietro Apostolo CZ 16 1691 138767
Polia VV 16 1023 139790
Gizzeria CZ 17 4982 144772
Gimigliano CZ 17 3381 148153
Decollatura CZ 17 3159 151312
Palermiti CZ 18 1213 152525
Squillace CZ 18 3608 156133
Cicala CZ 18 968 157101
Centrache CZ 19 401 157502
Olivadi CZ 19 529 158031
Cenadi CZ 20 563 158594
Catanzaro CZ 20 90612 249206
Montauro CZ 20 1732 250938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km SE of Lamezia Terme (70714 inhabitants)
20 Km W of Catanzaro (90612 inhabitants)
46 Km S of Cosenza (67546 inhabitants)
69 Km W of Crotone (62178 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
ML-VAX 1.6 		1990-07-04
18:14:05		 38.891 16.366 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 122529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-07-04 18:14:05 ± 0.216
Latitude 38.8910 ± 0.0119
Longitude 16.3660 ± 0.0178
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 122529

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) 2033.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00745
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 122529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:53:50

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 122529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.GA2.Z. 1990-07-04T18:14:23.58 10.0 undecidable manual PG 210 0.8214 0.76 0.4
--.TDS.Z. 1990-07-04T18:14:21.23 10.0 undecidable manual PG 358 0.7659 -0.37 1
--.ROI.Z. 1990-07-04T18:14:20.58 10.0 undecidable manual PG 12 0.6882 0.3 1.1
--.DR2.Z. 1990-07-04T18:14:20.50 10.0 undecidable manual SG 234 0.4107 -1.4 0
--.CZI.Z. 1990-07-04T18:14:19.00 10.0 undecidable manual SG 331 0.3663 -1.18 0.1
--.SE2.Z. 1990-07-04T18:14:17.50 10.0 undecidable manual SG 67 0.2997 0.15 0.7
--.DR2.Z. 1990-07-04T18:14:15.42 10.0 negative manual PG 234 0.4107 0.38 1.4
--.CZI.Z. 1990-07-04T18:14:14.66 10.0 negative manual PG 331 0.3663 0.6 0.9
--.SE2.Z. 1990-07-04T18:14:12.28 10.0 undecidable manual PG 67 0.2997 -0.14 1.7
--.GRI.Z. 1990-07-04T18:14:08.96 10.0 undecidable manual SG 148 0.0666 -0.27 0.6
--.GRI.Z. 1990-07-04T18:14:07.53 10.0 negative manual PG 148 0.0666 -0.2 3.2
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