Earthquake with magnitude of ML 1.5 on date 20-08-2012 and time 01:53:05 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 1.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 19-08-2012 23:53:05 (UTC)
  • 20-08-2012 01:53:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4580, 15.4840 at 78 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
30 Km N of Messina (238439 inhabitants)
41 Km NW of Reggio di Calabria (183035 inhabitants)
93 Km SW of Lamezia Terme (70714 inhabitants)
98 Km N of Acireale (52622 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
ML 1.5 2012-08-19
23:53:05
38.4582 15.4837 78 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 3460151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-08-19 23:53:05 ± 0.24
Latitude 38.4582 ± 0.0171
Longitude 15.4837 ± 0.0230
Depth (km) 78 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3460151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2437
Semi-minor axis of confidence ellipse (meter) 918
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 2440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.19515
Epicentral distance of station farthest from the epicenter (degree) 0.44067
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 3460151
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCSR.HHZ. 2012-08-19T23:53:29.00 0.6 undecidable manual S 207 48.9177 143 0.37 46
IV.MSCL.HHZ. 2012-08-19T23:53:27.84 0.6 undecidable manual S 133 36.6411 151 0.65 44
IV.JOPP.HHZ. 2012-08-19T23:53:27.46 0.6 undecidable manual S 65 38.5281 150 0.06 50
IV.ATN.BHZ. 2012-08-19T23:53:26.65 0.6 undecidable manual S 183 33.1446 154 -0.2 48
IV.MILZ.HHZ. 2012-08-19T23:53:26.39 0.6 undecidable manual S 227 30.1476 156 -0.18 49
IV.MSRU.HHZ. 2012-08-19T23:53:25.72 0.6 undecidable manual S 174 21.6672 162 -0.19 49
IV.MCSR.HHZ. 2012-08-19T23:53:19.01 0.1 undecidable manual P 207 48.9177 143 0.09 97
IV.IVPL.HHZ. 2012-08-19T23:53:18.80 0.1 undecidable manual P 258 44.7219 146 0.18 96
IV.JOPP.HHZ. 2012-08-19T23:53:18.24 0.1 undecidable manual P 65 38.5281 150 0.03 100
IV.MSCL.HHZ. 2012-08-19T23:53:17.99 0.1 undecidable manual P 133 36.6411 151 -0.1 99
IV.ATN.BHZ. 2012-08-19T23:53:17.72 0.1 undecidable manual P 183 33.1446 154 -0.17 98
IV.MSRU.HHZ. 2012-08-19T23:53:17.17 0.1 undecidable manual P 174 21.6672 162 -0.18 100
IV.MILZ.HHZ. 2012-08-19T23:53:17.72 0.3 undecidable manual P 227 30.1476 156 -0.01 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:1.5 0.0000357 0.16 AML other m 2012-08-19T23:53:28.16
IV.JOPP.HHN. ML:1.3 0.000027 0.16 AML other m 2012-08-19T23:53:28.32
IV.MCSR.HHE. ML:1.6 0.00004515 0.28 AML other m 2012-08-19T23:53:32.73
IV.MCSR.HHN. ML:1.6 0.00004865 1.18 AML other m 2012-08-19T23:53:32.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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