Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 27-07-1990 and time 13:31:01 (Italy) in region 5 km SW Amato (CZ)

A magnitude Md 2.4 earthquake occured in region: 5 km SW Amato (CZ), on

  • 27-07-1990 11:31:01 (UTC)
  • 27-07-1990 13:31:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9160, 16.4240 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
Amato CZ 5 835 835
Pianopoli CZ 5 2589 3424
Miglierina CZ 6 767 4191
Feroleto Antico CZ 6 2171 6362
Marcellinara CZ 6 2285 8647
Caraffa di Catanzaro CZ 7 1866 10513
Settingiano CZ 8 3124 13637
Maida CZ 8 4566 18203
Tiriolo CZ 8 3870 22073
Cortale CZ 8 2117 24190
Jacurso CZ 9 624 24814
San Pietro a Maida CZ 10 4200 29014
Girifalco CZ 10 5945 34959
San Pietro Apostolo CZ 11 1691 36650
Serrastretta CZ 11 3176 39826
Lamezia Terme CZ 11 70714 110540
Gimigliano CZ 11 3381 113921
San Floro CZ 12 716 114637
Borgia CZ 13 7611 122248
Cicala CZ 13 968 123216
Curinga CZ 13 6779 129995
Platania CZ 13 2172 132167
Amaroni CZ 14 1855 134022
Catanzaro CZ 15 90612 224634
Decollatura CZ 16 3159 227793
Pentone CZ 16 2113 229906
Vallefiorita CZ 16 1771 231677
Carlopoli CZ 16 1516 233193
Fossato Serralta CZ 16 594 233787
Panettieri CS 16 351 234138
Squillace CZ 17 3608 237746
Sorbo San Basile CZ 17 809 238555
Taverna CZ 18 2703 241258
Filadelfia VV 18 5384 246642
Palermiti CZ 19 1213 247855
Sellia CZ 19 530 248385
Soveria Mannelli CZ 19 3076 251461
Albi CZ 19 949 252410
Stalettì CZ 19 2433 254843
Montauro CZ 20 1732 256575
Simeri Crichi CZ 20 4698 261273
Gizzeria CZ 20 4982 266255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of Lamezia Terme (70714 inhabitants)
15 Km W of Catanzaro (90612 inhabitants)
44 Km SE of Cosenza (67546 inhabitants)
63 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 2.4
ML-VAX 1.6 		1990-07-27
11:31:01		 38.916 16.424 5 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 123929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-07-27 11:31:01 ± 0.129
Latitude 38.9160 ± 0.0078
Longitude 16.4240 ± 0.0139
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 123929

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) 1481.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01668
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 123929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:55:07

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 123929
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
--.MGR.Z. 1990-07-27T11:31:47.00 10.0 undecidable manual SN 331 1.3875 0.64 0.1
--.SGO.Z. 1990-07-27T11:31:34.00 10.0 undecidable manual PN 332 1.8537 0.29 0.5
--.SOI.Z. 1990-07-27T11:31:32.50 10.0 undecidable manual SG 199 0.8769 -0.36 0.3
--.MGR.Z. 1990-07-27T11:31:27.00 10.0 negative manual PN 331 1.3875 -0.39 1
--.SOI.Z. 1990-07-27T11:31:19.00 10.0 undecidable manual PG 199 0.8769 -0.59 0.3
--.DR2.Z. 1990-07-27T11:31:12.44 10.0 undecidable manual PG 234 0.4662 0.64 0.3
--.PA2.Z. 1990-07-27T11:31:11.68 10.0 undecidable manual PG 177 0.444 0.32 0.9
--.CZI.Z. 1990-07-27T11:31:09.87 10.0 positive manual PG 323 0.3663 -0.06 2.6
--.SE2.Z. 1990-07-27T11:31:07.18 10.0 positive manual PG 68 0.2442 0.08 2.6
--.GRI.Z. 1990-07-27T11:31:06.60 10.0 undecidable manual SG 181 0.0888 0.54 0.2
--.GRI.Z. 1990-07-27T11:31:03.61 10.0 negative manual PG 181 0.0888 -0.2 2.3
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