Earthquake with magnitude of Md 2.2 on date 19-07-1991 and time 07:17:04 (Italy) in region 4 km NE Palizzi (RC)

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

  • 19-07-1991 05:17:04 (UTC)
  • 19-07-1991 07:17:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9580, 16.0020 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
Palizzi RC 5 2480 2480
Staiti RC 6 248 2728
Bova RC 7 448 3176
Bova Marina RC 8 4235 7411
Brancaleone RC 9 3584 10995
Bruzzano Zeffirio RC 9 1111 12106
Ferruzzano RC 12 772 12878
Roccaforte del Greco RC 13 476 13354
Condofuri RC 14 5113 18467
Samo RC 14 809 19276
Africo RC 15 3075 22351
San Lorenzo RC 16 2640 24991
Caraffa del Bianco RC 17 539 25530
Sant'Agata del Bianco RC 17 592 26122
Bagaladi RC 18 1039 27161
Casignana RC 18 759 27920
Melito di Porto Salvo RC 19 11355 39275
Bianco RC 20 4273 43548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SE of Reggio di Calabria (183035 inhabitants)
47 Km SE of Messina (238439 inhabitants)
83 Km E of Acireale (52622 inhabitants)
95 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 1991-07-19
05:17:04
37.958 16.002 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 145789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-07-19 05:17:04 ± 0.466
Latitude 37.9580 ± 0.0305
Longitude 16.0020 ± 0.0239
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 145789

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) 3988.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 240
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
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) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00550
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 145789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:16:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PA2.Z. 1991-07-19T05:17:16.72 10.0 undecidable manual PG 34 0.6105 -0.22 0.6
--.MO9.Z. 1991-07-19T05:17:13.41 10.0 undecidable manual SG 280 0.2442 -0.82 0
--.MO9.Z. 1991-07-19T05:17:10.37 10.0 undecidable manual PG 280 0.2442 0.31 0.7
--.GA2.Z. 1991-07-19T05:17:10.38 10.0 undecidable manual PG 327 0.2442 0.24 0.9
--.SOI.Z. 1991-07-19T05:17:10.59 10.0 undecidable manual SG 19 0.1221 0.08 0.5
--.SOI.Z. 1991-07-19T05:17:07.94 10.0 undecidable manual PG 19 0.1221 0.03 1.4
--.FE2.Z. 1991-07-19T05:17:07.62 10.0 positive manual PG 39 0.0999 -0.02 2.8
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