Earthquake with magnitude of Md 2.4 on date 29-11-1987 and time 12:00:08 (UTC) in region 7 km S Bronte (CT)

A magnitude Md 2.4 earthquake occured in region: 7 km S Bronte (CT), on

  • 29-11-1987 12:00:08 (UTC)
  • 29-11-1987 13:00:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7260, 14.8280 at 5 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
Adrano CT 7 36122 36122
Bronte CT 7 19172 55294
Biancavilla CT 10 24007 79301
Maletto CT 12 3920 83221
Santa Maria di Licodia CT 13 7641 90862
Centuripe EN 14 5470 96332
Ragalna CT 14 3924 100256
Maniace CT 15 3765 104021
CesarĂ² ME 17 2439 106460
PaternĂ² CT 18 48228 154688
San Teodoro ME 18 1403 156091
Regalbuto EN 18 7277 163368
Belpasso CT 20 28108 191476
Randazzo CT 20 10900 202376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Acireale (52622 inhabitants)
34 Km NW of Catania (314555 inhabitants)
72 Km E of Caltanissetta (63360 inhabitants)
83 Km SW of Messina (238439 inhabitants)
83 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km NW of Siracusa (122291 inhabitants)
89 Km NE of Gela (75827 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
90 Km N of Vittoria (63339 inhabitants)
97 Km N of Modica (54633 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 2.4
ML-VAX 1.9
1987-11-29
12:00:08
37.726 14.828 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 59029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-11-29 12:00:08 ± 0.223
Latitude 37.7260 ± 0.0121
Longitude 14.8280 ± 0.0325
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 59029

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) 3163.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.00923
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 59029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:56:26

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 59029
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
--.PZI.Z. 1987-11-29T12:00:34.18 10.0 undecidable manual SG 171 0.6771 0.96 0.1
--.MEU.Z. 1987-11-29T12:00:31.41 10.0 undecidable manual SG 179 0.6105 0.18 0.6
--.SOI.Z. 1987-11-29T12:00:28.74 10.0 undecidable manual PG 69 1.0212 -0.6 0.7
--.ATN.Z. 1987-11-29T12:00:23.17 10.0 undecidable manual PG 48 0.6549 0.64 0.8
--.PZI.Z. 1987-11-29T12:00:22.89 10.0 undecidable manual PG 171 0.6771 0.06 1.6
--.MEU.Z. 1987-11-29T12:00:21.20 10.0 undecidable manual PG 179 0.6105 -0.48 1.1
--.MNO.Z. 1987-11-29T12:00:18.80 10.0 undecidable manual SG 333 0.222 1.07 0.1
--.MNO.Z. 1987-11-29T12:00:13.58 10.0 negative manual PG 333 0.222 -0.3 2.9
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