Earthquake with magnitude of Md 2.3 on date 29-11-1987 and time 13:06:18 (UTC) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude Md 2.3 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 29-11-1987 13:06:18 (UTC)
  • 29-11-1987 14:06:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.32, 15.52 at 50 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
Villafranca Tirrena ME 12 8584 8584
Messina ME 14 238439 247023
Villa San Giovanni RC 15 13784 260807
Saponara ME 16 3988 264795
Campo Calabro RC 16 4536 269331
Spadafora ME 17 5021 274352
Venetico ME 18 3911 278263
Scilla RC 18 4964 283227
Rometta ME 19 6650 289877
Fiumara RC 19 1018 290895
Valdina ME 19 1355 292250
Roccavaldina ME 20 1133 293383

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km N of Messina (238439 inhabitants)
25 Km NW of Reggio di Calabria (183035 inhabitants)
85 Km NE of Acireale (52622 inhabitants)
98 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
Rev 1000 Md 2.3
ML-VAX 1.8
1987-11-29
13:06:18
38.32 15.53 50 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 59039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-11-29 13:06:18 ± 0.363
Latitude 38.32 ± 0.03
Longitude 15.53 ± 0.03
Depth (km) 50 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 59039

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) 4353.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00769
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 59039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:56:26

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 59039
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
--.GRI.Z. 1987-11-29T13:06:47.50 10.0 undecidable manual S 53 0.0077 0.47 0.3
--.MNO.Z. 1987-11-29T13:06:44.88 10.0 undecidable manual S 239 0.0068 0.64 0.2
--.SOI.Z. 1987-11-29T13:06:39.10 10.0 undecidable manual S 120 0.0043 0.72 0.2
--.GRI.Z. 1987-11-29T13:06:34.83 10.0 undecidable manual P 53 0.0077 -0.04 1.3
--.MNO.Z. 1987-11-29T13:06:33.75 10.0 undecidable manual P 239 0.0068 0.23 1.2
--.ATN.Z. 1987-11-29T13:06:33.64 10.0 undecidable manual S 197 0.0015 0.43 0.4
--.SOI.Z. 1987-11-29T13:06:29.76 10.0 positive manual P 120 0.0043 -0.32 2.6
--.GMB.Z. 1987-11-29T13:06:28.50 10.0 undecidable manual P 122 0.0025 0.5 0.9
--.ATN.Z. 1987-11-29T13:06:26.61 10.0 negative manual P 197 0.0015 -0.55 1.6
--.MSI.Z. 1987-11-29T13:06:26.57 10.0 undecidable manual P 168 0.0011 -0.33 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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