Earthquake with magnitude of ML 2.1 on date 12-03-2016 and time 16:45:06 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 12-03-2016 16:45:06 (UTC)
  • 12-03-2016 17:45:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.6510, 15.1280 at 22 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

No Italian municipalities within 100 km from the epicenter with at least 50000 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 2.1 2016-03-12
16:45:06
39.6513 15.1278 23 2016-05-17
13:18:00
Bollettino Sismico Italiano INGV 24772411
Reviewed
Rev100
ML 2.2 2016-03-12
16:45:05
39.6228 15.0578 18 2016-03-12
16:52:12
Sala Sismica INGV-Roma 23806081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-03-12 16:45:06 ± 0.31
Latitude 39.6513 ± 0.0144
Longitude 15.1278 ± 0.0269
Depth (km) 23 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 24772411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2273
Semi-minor axis of confidence ellipse (meter) 1378
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 2270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 221
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.58546
Epicentral distance of station farthest from the epicenter (degree) 1.57381
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 24772411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-05-11 08:56:37

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 23806081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-03-12 16:52:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2016-03-12T16:45:36.83 0.6 undecidable manual S 115 102.8193 97 0.22 47
IV.PLAC.HHE. 2016-03-12T16:45:33.97 0.3 undecidable manual P 139 174.6918 54 0.12 59
IV.SIRI.HHZ. 2016-03-12T16:45:32.43 0.6 undecidable manual S 47 86.1471 99 0.21 50
IV.MMN.HHZ. 2016-03-12T16:45:30.17 0.3 undecidable manual S 70 78.1662 100 0.05 77
IV.CMPR.HHZ. 2016-03-12T16:45:29.84 0.3 undecidable manual S 11 75.4689 100 0.44 74
IV.JOPP.HNN. 2016-03-12T16:45:28.00 0.3 undecidable manual P 150 132.9669 95 -0.51 60
IV.CET2.HHZ. 2016-03-12T16:45:27.44 0.3 undecidable manual S 101 71.9724 101 -1.04 55
IV.CELI.HHE. 2016-03-12T16:45:26.55 0.3 undecidable manual P 103 121.2897 96 -0.18 68
IV.SALB.HHZ. 2016-03-12T16:45:25.22 0.3 undecidable manual P 76 106.8153 97 0.7 63
IV.SPS2.HHE. 2016-03-12T16:45:25.74 0.6 undecidable manual P 111 111.0999 97 0.57 44
IV.MGR.HHZ. 2016-03-12T16:45:25.77 0.3 undecidable manual S 34 64.9905 102 -0.88 58
IV.TDS.HHZ. 2016-03-12T16:45:24.10 0.6 undecidable manual P 89 103.3188 97 0.12 49
IV.CAR1.HHZ. 2016-03-12T16:45:24.58 0.1 undecidable manual P 115 102.8193 97 0.69 85
IV.SCHR.EHN. 2016-03-12T16:45:23.47 0.6 undecidable manual P 53 101.0211 97 -0.15 47
IV.SLCN.HNZ. 2016-03-12T16:45:22.04 0.6 undecidable manual P 27 92.5407 98 -0.28 46
IV.MCEL.HHN. 2016-03-12T16:45:22.89 0.3 undecidable manual P 37 94.1391 98 0.31 72
IV.SIRI.HHZ. 2016-03-12T16:45:21.99 0.3 undecidable manual P 47 86.1471 99 0.63 68
IV.MTSN.HHN. 2016-03-12T16:45:21.96 0.3 undecidable manual P 38 86.4468 99 0.57 70
IV.MMN.HHZ. 2016-03-12T16:45:19.76 0.3 undecidable manual P 70 78.1662 100 -0.38 70
IV.CET2.HHZ. 2016-03-12T16:45:19.05 0.1 undecidable manual P 101 71.9724 101 -0.15 100
IV.CMPR.HHZ. 2016-03-12T16:45:19.28 0.3 undecidable manual P 11 75.4689 100 -0.45 68
IV.MGR.HHZ. 2016-03-12T16:45:17.31 0.1 undecidable manual P 34 64.9905 102 -0.84 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CET2.HHN. ML:2.4 0.00041349999999999997 0.26 AML other m 2016-03-12T16:45:29.53
IV.CET2.HHE. ML:2.3 0.000295 0.7 AML other m 2016-03-12T16:45:30.01
IV.CMPR.HHE. ML:1.9 0.00010775000000000002 0.3 AML other m 2016-03-12T16:45:32.85
IV.CMPR.HHN. ML:1.8 0.00009735 1.58 AML other m 2016-03-12T16:45:34.47
IV.MGR.HHN. ML:2.1 0.0002065 1.38 AML other m 2016-03-12T16:45:27.55
IV.MGR.HHE. ML:2.0 0.0001895 0.58 AML other m 2016-03-12T16:45:30.22
IV.MMN.HHE. ML:1.9 0.00010489999999999999 1.3 AML other m 2016-03-12T16:45:31.76
IV.MMN.HHN. ML:2.1 0.00016949999999999997 0.44 AML other m 2016-03-12T16:45:30.91
TDMT - Time Domain Moment Tensor
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