Earthquake with magnitude of Md 2.2 on date 24-09-1991 and time 10:51:24 (Italy) in region 4 km E Bova (RC)

A magnitude Md 2.2 earthquake occured in region: 4 km E Bova (RC), on

  • 24-09-1991 08:51:24 (UTC)
  • 24-09-1991 10:51:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0010, 15.9760 at 12 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 4 448 448
Staiti RC 5 248 696
Roccaforte del Greco RC 8 476 1172
Bova Marina RC 9 4235 5407
Palizzi RC 9 2480 7887
Bruzzano Zeffirio RC 9 1111 8998
Condofuri RC 10 5113 14111
Ferruzzano RC 11 772 14883
Samo RC 11 809 15692
Brancaleone RC 12 3584 19276
San Lorenzo RC 12 2640 21916
Bagaladi RC 14 1039 22955
Sant'Agata del Bianco RC 14 592 23547
Caraffa del Bianco RC 14 539 24086
Africo RC 15 3075 27161
Casignana RC 15 759 27920
San Luca RC 18 3881 31801
Bianco RC 18 4273 36074
Melito di Porto Salvo RC 19 11355 47429
Montebello Ionico RC 19 6214 53643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Reggio di Calabria (183035 inhabitants)
43 Km SE of Messina (238439 inhabitants)
83 Km NE of Acireale (52622 inhabitants)
96 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 2.2
ML-VAX 1.5
1991-09-24
08:51:24
38.001 15.976 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 149719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-09-24 08:51:24 ± 0.463
Latitude 38.0010 ± 0.0281
Longitude 15.9760 ± 0.0246
Depth (km) 12 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 149719

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) 3801.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 229
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.01093
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 149719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:19:45

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 149719
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. 1991-09-24T08:51:47.18 10.0 undecidable manual PN 5 1.2099 -0.34 0.4
--.ATN.Z. 1991-09-24T08:51:39.67 10.0 undecidable manual SG 291 0.4329 -1.04 0
--.ATN.Z. 1991-09-24T08:51:34.37 10.0 undecidable manual PG 291 0.4329 0.35 0.9
--.GMB.Z. 1991-09-24T08:51:33.29 10.0 undecidable manual SG 325 0.1998 -0.08 0.5
--.MO9.Z. 1991-09-24T08:51:32.98 10.0 undecidable manual SG 270 0.2109 -1 0
--.GMB.Z. 1991-09-24T08:51:30.25 10.0 positive manual PG 325 0.1998 0.47 1.5
--.MO9.Z. 1991-09-24T08:51:30.27 10.0 negative manual PG 270 0.2109 0.14 2.6
--.SOI.Z. 1991-09-24T08:51:29.74 10.0 undecidable manual SG 40 0.0888 -0.47 0.3
--.SOI.Z. 1991-09-24T08:51:27.87 10.0 negative manual PG 40 0.0888 -0.08 2.7
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