Earthquake with magnitude of Md 2.3 on date 18-04-1989 and time 08:38:05 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude Md 2.3 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 18-04-1989 08:38:05 (UTC)
  • 18-04-1989 10:38:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4250, 15.8400 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
Gioia Tauro RC 5 19864 19864
Palmi RC 8 18930 38794
San Ferdinando RC 9 4490 43284
Seminara RC 10 2811 46095
Rizziconi RC 11 7829 53924
MelicuccĂ  RC 14 930 54854
Rosarno RC 14 14841 69695
Nicotera VV 16 6290 75985
Bagnara Calabra RC 16 10255 86240
San Procopio RC 16 534 86774
Taurianova RC 17 15636 102410
Varapodio RC 18 2160 104570
Sant'Eufemia d'Aspromonte RC 18 4120 108690
Sinopoli RC 18 2089 110779
Limbadi VV 18 3695 114474
Cosoleto RC 18 859 115333
Joppolo VV 19 1926 117259
Terranova Sappo Minulio RC 19 523 117782
Melicucco RC 19 5101 122883
Oppido Mamertina RC 19 5332 128215

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Messina (238439 inhabitants)
39 Km NE of Reggio di Calabria (183035 inhabitants)
74 Km SW of Lamezia Terme (70714 inhabitants)
85 Km SW of Catanzaro (90612 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 2.3
ML-VAX 1.9
1989-04-18
08:38:05
38.425 15.84 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 90089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-04-18 08:38:05 ± 0.14
Latitude 38.4250 ± 0.0084
Longitude 15.8400 ± 0.0128
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 90089

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) 1456.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00639
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 90089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:24:31

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 90089
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
--.LPI.Z. 1989-04-18T08:38:20.40 10.0 undecidable manual PG 275 0.7104 0.44 0.2
--.GRI.Z. 1989-04-18T08:38:17.48 10.0 negative manual PG 48 0.5883 -0.06 1.1
--.RI2.Z. 1989-04-18T08:38:15.74 10.0 undecidable manual PG 90 0.4995 0.01 0.8
--.FE2.Z. 1989-04-18T08:38:14.86 10.0 undecidable manual PG 153 0.4329 0.47 0.2
--.MO9.Z. 1989-04-18T08:38:14.47 10.0 negative manual PG 195 0.4329 -0.04 1.7
--.SOI.Z. 1989-04-18T08:38:13.67 10.0 positive manual PG 154 0.3885 0.06 1.7
--.SC9.Z. 1989-04-18T08:38:12.14 10.0 undecidable manual SG 210 0.1887 -1.3 0
--.GMB.Z. 1989-04-18T08:38:11.50 10.0 positive manual PG 181 0.2553 -0.1 1.7
--.GA2.Z. 1989-04-18T08:38:11.22 10.0 undecidable manual PG 181 0.2553 0.07 1.7
--.SC9.Z. 1989-04-18T08:38:09.88 10.0 undecidable manual PG 210 0.1887 -0.11 0.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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