Earthquake with magnitude of Md 2.2 on date 09-12-1985 and time 15:49:48 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude Md 2.2 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 09-12-1985 14:49:48 (UTC)
  • 09-12-1985 15:49:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1580, 15.5560 at 25 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
Messina ME 4 238439 238439
Reggio di Calabria RC 9 183035 421474
Villa San Giovanni RC 10 13784 435258
Campo Calabro RC 11 4536 439794
Saponara ME 11 3988 443782
Rometta ME 12 6650 450432
Fiumara RC 13 1018 451450
Villafranca Tirrena ME 14 8584 460034
Calanna RC 15 934 460968
Monforte San Giorgio ME 15 2777 463745
Scaletta Zanclea ME 15 2140 465885
Itala ME 16 1640 467525
Roccavaldina ME 16 1133 468658
Laganadi RC 16 413 469071
Valdina ME 17 1355 470426
San Roberto RC 17 1750 472176
Spadafora ME 17 5021 477197
Scilla RC 18 4964 482161
Sant'Alessio in Aspromonte RC 18 343 482504
San Pier Niceto ME 18 2837 485341
Venetico ME 18 3911 489252
Torregrotta ME 18 7431 496683
Alì ME 19 768 497451

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km S of Messina (238439 inhabitants)
9 Km NW of Reggio di Calabria (183035 inhabitants)
70 Km NE of Acireale (52622 inhabitants)
84 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 1985-12-09
14:49:48
38.158 15.556 25 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 17779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-09 14:49:48 ± 0.936
Latitude 38.1580 ± 0.0440
Longitude 15.5560 ± 0.0922
Depth (km) 25 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 17779

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) 9429.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 263
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
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) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.00696
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 17779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:20:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.DR2.Z. 1985-12-09T14:50:08.50 10.0 undecidable manual SG 31 0.5661 -0.93 0
--.RI2.Z. 1985-12-09T14:50:03.40 10.0 undecidable manual PN 70 0.777 -0.18 1
--.DR2.Z. 1985-12-09T14:50:01.20 10.0 undecidable manual PG 31 0.5661 0.58 0.5
--.RCI.Z. 1985-12-09T14:49:57.00 10.0 undecidable manual SG 127 0.0777 0.05 0.6
--.GA2.Z. 1985-12-09T14:49:55.00 10.0 positive manual PG 87 0.2109 0.19 2.9
--.RCI.Z. 1985-12-09T14:49:53.00 10.0 undecidable manual PG 127 0.0777 -0.42 1
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