Earthquake with magnitude of Md 2.2 on date 22-12-1990 and time 10:43:46 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude Md 2.2 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 22-12-1990 09:43:46 (UTC)
  • 22-12-1990 10:43:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.0090, 16.0080 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
Serra d'Aiello CS 14 458 458
Falerna CZ 14 4028 4486
Nocera Terinese CZ 14 4731 9217
Amantea CS 15 13975 23192
San Mango d'Aquino CZ 17 1564 24756
San Pietro in Amantea CS 17 505 25261
Gizzeria CZ 18 4982 30243
Belmonte Calabro CS 18 2003 32246
Cleto CS 18 1301 33547
Aiello Calabro CS 18 1729 35276

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km W of Lamezia Terme (70714 inhabitants)
38 Km SW of Cosenza (67546 inhabitants)
52 Km W of Catanzaro (90612 inhabitants)
97 Km W of Crotone (62178 inhabitants)
99 Km NE of Messina (238439 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 1.7
1990-12-22
09:43:46
39.009 16.008 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 132899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-12-22 09:43:46 ± 0.252
Latitude 39.0090 ± 0.0140
Longitude 16.0080 ± 0.0384
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 132899

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) 3661.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.00850
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 132899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:03:50

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 132899
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
--.ATN.Z. 1990-12-22T09:44:17.00 10.0 undecidable manual SG 206 0.9435 -1.46 0
--.SOI.Z. 1990-12-22T09:44:16.62 10.0 undecidable manual SG 177 0.9324 -1.35 0.1
--.CSI.Z. 1990-12-22T09:44:13.30 10.0 undecidable manual SG 15 0.7992 -0.49 0.5
--.SC9.Z. 1990-12-22T09:44:13.79 10.0 undecidable manual SG 196 0.777 0.64 0.4
--.TDS.Z. 1990-12-22T09:44:07.86 10.0 undecidable manual SG! 21 0.6882 -2.5 0
--.SOI.Z. 1990-12-22T09:44:04.80 10.0 undecidable manual PG 177 0.9324 -0.39 1.3
--.ATN.Z. 1990-12-22T09:44:04.28 10.0 undecidable manual PG 206 0.9435 -0.46 1.2
--.CSI.Z. 1990-12-22T09:44:02.26 10.0 undecidable manual PG 15 0.7992 0.21 1.5
--.SC9.Z. 1990-12-22T09:44:02.93 10.0 undecidable manual PG 196 0.777 1.25 0.3
--.ROI.Z. 1990-12-22T09:44:00.28 10.0 undecidable manual PG 37 0.6993 0.01 1.7
--.TDS.Z. 1990-12-22T09:43:59.68 10.0 undecidable manual PG 21 0.6882 -0.39 1.4
--.GRI.Z. 1990-12-22T09:43:59.10 10.0 undecidable manual SG 120 0.3663 -0.73 0.4
--.DR2.Z. 1990-12-22T09:43:54.20 10.0 positive manual PG 189 0.3663 0.23 3.2
--.GRI.Z. 1990-12-22T09:43:54.65 10.0 undecidable manual PG 120 0.3663 0.65 1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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