Earthquake with magnitude of Md 2.5 on date 12-01-1985 and time 11:45:09 (UTC) in region 2 km E Longobucco (CS)

A magnitude Md 2.5 earthquake occured in region: 2 km E Longobucco (CS), on

  • 12-01-1985 11:45:09 (UTC)
  • 12-01-1985 12:45:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.45, 16.63 at 23 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
Longobucco CS 2 3183 3183
Paludi CS 10 1062 4245
Cropalati CS 11 1084 5329
Bocchigliero CS 12 1298 6627
Caloveto CS 13 1263 7890
Rossano CS 14 36842 44732
Pietrapaola CS 17 1141 45873
Campana CS 18 1813 47686
Crosia CS 18 9762 57448
Corigliano Calabro CS 18 40427 97875
Mandatoriccio CS 18 2872 100747
Calopezzati CS 19 1369 102116

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Cosenza (67546 inhabitants)
59 Km NE of Lamezia Terme (70714 inhabitants)
60 Km NW of Crotone (62178 inhabitants)
61 Km N of Catanzaro (90612 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 2.5 1985-01-12
11:45:09
39.45 16.63 23 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-01-12 11:45:09 ± 2.574
Latitude 39.45 ± 0.07
Longitude 16.63 ± 0.17
Depth (km) 23 ± 11 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 419

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) 17110
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 265
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00583
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:05:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MMN.Z. 1985-01-12T11:45:23.80 10.0 undecidable manual PG 311 0.0058 1 0.1
--.ORI.Z. 1985-01-12T11:45:22.00 10.0 undecidable manual PG 346 0.0055 -0.02 0.7
--.CSI.Z. 1985-01-12T11:45:18.00 10.0 undecidable manual PG 322 0.0037 -0.57 0.8
--.ACI.Z. 1985-01-12T11:45:17.20 10.0 undecidable manual PG 252 0.0031 -0.08 1.7
--.ROI.Z. 1985-01-12T11:45:14.30 10.0 undecidable manual PG 338 0.0011 0.15 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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