Earthquake with magnitude of Md 3.0 on date 09-09-1987 and time 08:59:48 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude Md 3.0 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 09-09-1987 06:59:48 (UTC)
  • 09-09-1987 08:59:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.809, 15.867 at 33 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
Melito di Porto Salvo RC 14 11355 11355
Bova Marina RC 15 4235 15590
Roghudi RC 16 1104 16694
Palizzi RC 16 2480 19174

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SE of Reggio di Calabria (183035 inhabitants)
51 Km SE of Messina (238439 inhabitants)
65 Km E of Acireale (52622 inhabitants)
77 Km E of Catania (314555 inhabitants)
97 Km NE of Siracusa (122291 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 3.0
ML-VAX 3.1
1987-09-09
06:59:48
37.809 15.867 33 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 54989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-09-09 06:59:48 ± 0.25
Latitude 37.8090 ± 0.0220
Longitude 15.8670 ± 0.0430
Depth (km) 33 ± 32 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 54989

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) 4499
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
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) 0.00413
Epicentral distance of station farthest from the epicenter (degree) 0.0378
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 12
Type of magnitude Md
Reference to an origin 54989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:52:57

ML:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 54989
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 Takeoff_angle Residual Weight
--.BRT.Z. 1987-09-09T07:01:11.50 10.0 undecidable manual S 17 0.0289 -0.47 0.3
--.LCI.Z. 1987-09-09T07:01:08.00 10.0 undecidable manual S 33 0.0275 -0.34 0.4
--.SDI.Z. 1987-09-09T07:00:50.42 10.0 undecidable manual P 338 0.0378 0.04 1
--.DUI.Z. 1987-09-09T07:00:49.11 10.0 undecidable manual P ? 344 0.0359 1.54 0
--.MS1.Z. 1987-09-09T07:00:47.00 10.0 undecidable manual P 0 0.035 0.83 0.4
--.BAI.Z. 1987-09-09T07:00:39.90 10.0 undecidable manual P 12 0.0304 0.71 0.5
--.CDM.Z. 1987-09-09T07:00:38.00 10.0 undecidable manual P 5 0.0295 0.31 1
--.BRT.Z. 1987-09-09T07:00:36.80 10.0 undecidable manual P 17 0.0289 -0.76 0.5
--.BSS.Z. 1987-09-09T07:00:36.18 10.0 undecidable manual P ? 344 0.0276 1.32 0
--.PE1.Z. 1987-09-09T07:00:36.00 10.0 undecidable manual P 21 0.029 -0.96 0.3
--.LCI.Z. 1987-09-09T07:00:34.65 10.0 undecidable manual P 33 0.0275 -0.1 1.2
--.SGO.Z. 1987-09-09T07:00:30.23 10.0 undecidable manual P 350 0.025 -0.62 0.7
--.CZI.Z. 1987-09-09T07:00:29.00 10.0 undecidable manual S 8 0.0128 -0.29 0.5
--.MGR.Z. 1987-09-09T07:00:24.30 10.0 negative manual P 353 0.021 -0.76 1.2
--.CSI.Z. 1987-09-09T07:00:20.60 10.0 undecidable manual P 9 0.018 0.44 1.1
--.MMN.Z. 1987-09-09T07:00:20.80 10.0 undecidable manual P 2 0.0187 -0.45 1.1
--.ROI.Z. 1987-09-09T07:00:19.00 10.0 undecidable manual P 16 0.0166 1.02 0.3
--.TDS.Z. 1987-09-09T07:00:18.51 10.0 undecidable manual P 10 0.0169 -0.05 1.4
--.FAI.Z. 1987-09-09T07:00:18.55 10.0 undecidable manual P 253 0.0164 0.85 0.5
--.ACI.Z. 1987-09-09T07:00:15.00 10.0 undecidable manual P 9 0.014 0.86 0.5
--.CZI.Z. 1987-09-09T07:00:12.00 10.0 positive manual P 8 0.0128 -0.2 2.7
--.GIB.Z. 1987-09-09T07:00:12.50 10.0 undecidable manual P 277 0.0131 -0.25 1.3
--.PZI.Z. 1987-09-09T07:00:07.13 10.0 negative manual P 224 0.0094 0.05 2.9
--.MEU.Z. 1987-09-09T07:00:07.90 10.0 negative manual P 229 0.0096 -0.38 2.3
--.MSI.Z. 1987-09-09T07:00:06.96 10.0 undecidable manual S 327 0.0041 0.43 0.4
--.MNO.Z. 1987-09-09T07:00:05.16 10.0 undecidable manual P 277 0.0083 -0.33 1.2
--.MSI.Z. 1987-09-09T06:59:59.41 10.0 undecidable manual P 327 0.0041 0.35 1.2
--.ATN.Z. 1987-09-09T06:59:59.37 10.0 positive manual P 317 0.0042 0.19 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