Earthquake with magnitude of Md 2.3 on date 30-03-1988 and time 03:53:53 (Italy) 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

  • 30-03-1988 01:53:53 (UTC)
  • 30-03-1988 03:53:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7200, 15.8700 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
Tropea VV 5 6441 6441
Parghelia VV 6 1300 7741
Drapia VV 7 2085 9826
Zaccanopoli VV 8 752 10578
Ricadi VV 11 4900 15478
Spilinga VV 11 1464 16942
Zambrone VV 11 1775 18717
Zungri VV 12 1976 20693
Briatico VV 14 4053 24746
Joppolo VV 15 1926 26672
Cessaniti VV 15 3290 29962
Rombiolo VV 18 4569 34531
Filandari VV 18 1853 36384
Ionadi VV 19 4238 40622
Limbadi VV 20 3695 44317
San Costantino Calabro VV 20 2239 46556

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km SW of Lamezia Terme (70714 inhabitants)
64 Km NE of Messina (238439 inhabitants)
66 Km W of Catanzaro (90612 inhabitants)
71 Km N of Reggio di Calabria (183035 inhabitants)
72 Km SW 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 2.3
ML-VAX 2.0
1988-03-30
01:53:53
38.72 15.87 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 65319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-03-30 01:53:53 ± 0.183
Latitude 38.7200 ± 0.0115
Longitude 15.8700 ± 0.0170
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 65319

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) 1948.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00389
Epicentral distance of station farthest from the epicenter (degree) 0.00899
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 65319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:01:56

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 65319
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
--.SOI.Z. 1988-03-30T01:54:17.35 10.0 undecidable manual SG 167 0.6549 0.34 0.4
--.ATN.Z. 1988-03-30T01:54:16.45 10.0 undecidable manual SG 210 0.6327 -0.02 0.5
--.TDS.Z. 1988-03-30T01:54:14.42 10.0 undecidable manual PG 21 0.999 0.83 0.1
--.CZI.Z. 1988-03-30T01:54:13.00 10.0 undecidable manual SG 22 0.5328 -0.02 0.5
--.GRI.Z. 1988-03-30T01:54:09.85 10.0 undecidable manual SG 76 0.4329 -0.03 0.5
--.SOI.Z. 1988-03-30T01:54:07.13 10.0 undecidable manual PG 167 0.6549 -0.08 1.3
--.ATN.Z. 1988-03-30T01:54:06.86 10.0 negative manual PG 210 0.6327 -0.04 2.7
--.CZI.Z. 1988-03-30T01:54:04.20 10.0 undecidable manual PG 22 0.5328 -0.71 0.2
--.GRI.Z. 1988-03-30T01:54:03.50 10.0 positive manual PG 76 0.4329 -0.05 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download