Earthquake with magnitude of Md 2.3 on date 17-10-1991 and time 15:18:55 (Italy) in region 5 km NE Bova (RC)

A magnitude Md 2.3 earthquake occured in region: 5 km NE Bova (RC), on

  • 17-10-1991 14:18:55 (UTC)
  • 17-10-1991 15:18:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0250, 15.9760 at 11 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
Bova RC 5 448 448
Staiti RC 6 248 696
Roccaforte del Greco RC 7 476 1172
Samo RC 9 809 1981
Bruzzano Zeffirio RC 9 1111 3092
Ferruzzano RC 10 772 3864
Condofuri RC 10 5113 8977
Bova Marina RC 11 4235 13212
Palizzi RC 12 2480 15692
Sant'Agata del Bianco RC 12 592 16284
Caraffa del Bianco RC 12 539 16823
San Lorenzo RC 13 2640 19463
Brancaleone RC 13 3584 23047
Casignana RC 13 759 23806
Bagaladi RC 14 1039 24845
Africo RC 14 3075 27920
San Luca RC 16 3881 31801
Bianco RC 17 4273 36074
Cardeto RC 20 1641 37715
Montebello Ionico RC 20 6214 43929

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Reggio di Calabria (183035 inhabitants)
41 Km E of Messina (238439 inhabitants)
85 Km NE of Acireale (52622 inhabitants)
97 Km NE of Catania (314555 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
1991-10-17
14:18:55
38.025 15.976 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 151109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-10-17 14:18:55 ± 0.388
Latitude 38.0250 ± 0.0313
Longitude 15.9760 ± 0.0207
Depth (km) 11 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 151109

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) 3921.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.01077
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 151109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:21:01

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 151109
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
--.CZI.Z. 1991-10-17T14:19:17.46 10.0 undecidable manual PN 5 1.1988 -0.37 0.4
--.GRI.Z. 1991-10-17T14:19:12.97 10.0 undecidable manual PG 23 0.8658 0.34 0.6
--.ATN.Z. 1991-10-17T14:19:11.25 10.0 undecidable manual SG 288 0.4218 0.25 0.5
--.ATN.Z. 1991-10-17T14:19:04.60 10.0 undecidable manual PG 288 0.4218 0.19 1.3
--.MO9.Z. 1991-10-17T14:19:04.21 10.0 undecidable manual SG 264 0.2109 -0.3 0.4
--.GMB.Z. 1991-10-17T14:19:02.33 10.0 undecidable manual SG 321 0.1776 -0.93 0
--.MO9.Z. 1991-10-17T14:19:00.56 10.0 positive manual PG 264 0.2109 -0.11 3
--.GMB.Z. 1991-10-17T14:19:00.51 10.0 undecidable manual PG 321 0.1776 0.57 0.4
--.SOI.Z. 1991-10-17T14:18:59.60 10.0 undecidable manual SG 51 0.0666 -0.57 0.2
--.SOI.Z. 1991-10-17T14:18:58.20 10.0 negative manual PG 51 0.0666 0.04 3.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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