Earthquake with magnitude of ML 1.7 on date 15-12-2012 and time 12:37:09 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 1.7 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 15-12-2012 11:37:09 (UTC)
  • 15-12-2012 12:37:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8010, 16.3650 at 37 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km SE of Reggio di Calabria (183035 inhabitants)
83 Km SE of Messina (238439 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
Reviewed
Rev100
ML 1.5 2012-12-15
11:37:11
38.1018 15.6358 10 2014-10-21
12:08:56
Sala Sismica INGV-Roma 2714681
Bulletin
Rev1000
ML 1.7 2012-12-15
11:37:09
37.8008 16.365 37 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 3364921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-12-15 11:37:09 ± 0.27
Latitude 37.8008 ± 0.0099
Longitude 16.3650 ± 0.0171
Depth (km) 37 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3364921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1542
Semi-minor axis of confidence ellipse (meter) 949
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.32106
Epicentral distance of station farthest from the epicenter (degree) 1.26625
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 2714681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-12-15 11:42:04

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 3364921
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2012-12-15T11:37:45.66 0.1 undecidable manual S 238 134.1657 54 -0.08 83
IV.MTTG.HHZ. 2012-12-15T11:37:30.33 0.6 undecidable manual S 291 62.3931 117 0.13 46
IV.SSY.HHZ. 2012-12-15T11:37:30.33 1.0 undecidable manual P 238 134.1657 54 -0.06 21
IV.HLNI.HHZ. 2012-12-15T11:37:30.91 0.1 positive manual P 250 140.5482 54 -0.26 78
IV.HAGA.HHZ. 2012-12-15T11:37:28.42 0.3 undecidable manual P 242 120.7902 54 -0.3 61
IV.MPNC.HHZ. 2012-12-15T11:37:26.17 0.3 undecidable manual P 294 96.4257 54 0.48 60
IV.SOI.EHZ. 2012-12-15T11:37:25.07 0.1 undecidable manual S 318 40.626 129 -0.21 95
IV.MPAZ.HHZ. 2012-12-15T11:37:24.32 0.1 undecidable manual S 298 35.6421 133 0.05 100
IV.PLAC.HHE. 2012-12-15T11:37:22.49 0.3 undecidable manual P 5 72.2721 54 -0.19 68
IV.MSCL.HHZ. 2012-12-15T11:37:22.25 0.1 undecidable manual P 314 69.375 54 -0.07 94
IV.MTTG.HHZ. 2012-12-15T11:37:21.88 0.1 undecidable manual P 291 62.3931 117 0.47 86
MN.CEL.HHZ. 2012-12-15T11:37:21.77 0.1 undecidable manual P 321 65.49 54 -0.07 95
IV.MPAZ.HHZ. 2012-12-15T11:37:18.38 1.0 negative manual P 298 35.6421 133 0.39 23
IV.SOI.EHZ. 2012-12-15T11:37:18.74 0.1 negative manual P 318 40.626 129 0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPAZ.HHN. ML:1.8 0.000155 0.76 AML other m 2012-12-15T11:37:25.37
IV.MPAZ.HHE. ML:1.5 0.00008895000000000001 1.46 AML other m 2012-12-15T11:37:25.99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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