Earthquake with magnitude of ML 2.3 on date 28-03-2021 and time 01:28:02 (Italy) in region Adriatico Centrale (MARE)

A magnitude ML 2.3 earthquake occured in region: Adriatico Centrale (MARE), on

  • 28-03-2021 00:28:02 (UTC)
  • 28-03-2021 01:28:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6010, 16.2860 at 10 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 2.3 2021-03-28
00:28:02
42.6008 16.2858 10 2021-07-12
16:55:05
Bollettino Sismico Italiano INGV 88885531
Reviewed
Rev100
ML 2.3 2021-03-28
00:28:01
42.631 16.279 10 2021-03-28
00:41:58
Sala Sismica INGV-Roma 88538121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-28 00:28:02 ± 0.31
Latitude 42.6008 ± 0.0126
Longitude 16.2858 ± 0.0257
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88885531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2350
Semi-minor axis of confidence ellipse (meter) 881
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 300
Circular confidence region, given by single value of horizontal uncertainty (meter) 2350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 313
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 25
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.54054
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 88538121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-28 00:41:58

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 88885531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-20 11:04:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAMA.EHZ. 2021-03-28T00:29:22.45 3.0 undecidable manual Sn 0.48 0
IV.ORI.HHZ. 2021-03-28T00:29:10.26 3.0 undecidable manual Sg -0.14 0
IV.MELA.HHZ. 2021-03-28T00:28:41.91 0.6 undecidable manual S 224 137.6622 50 0.38 45
OT.OT07.EHZ. 2021-03-28T00:28:36.43 0.3 undecidable manual S 203 118.1928 50 0.07 74
OT.OT06.EHZ. 2021-03-28T00:28:35.99 0.6 undecidable manual S 209 116.3946 50 0.12 49
OT.OT05.EHZ. 2021-03-28T00:28:35.64 0.6 undecidable manual S 209 118.5924 50 -0.82 40
OT.OT04.EHZ. 2021-03-28T00:28:35.39 0.6 undecidable manual S 211 113.6973 50 0.25 48
OT.OT12.EHZ. 2021-03-28T00:28:34.61 0.3 undecidable manual S 196 111.8991 50 -0.06 75
OT.OT03.EHZ. 2021-03-28T00:28:34.57 0.6 undecidable manual S 208 111.5994 50 -0.02 51
IV.APRC.HHZ. 2021-03-28T00:28:34.63 0.6 undecidable manual S 213 111.6993 50 0.01 51
IV.MSAG.HNZ. 2021-03-28T00:28:33.42 0.6 undecidable manual S 198 103.3188 50 1.03 37
IV.SGRT.HHZ. 2021-03-28T00:28:32.60 0.3 undecidable manual S 206 103.9182 50 0.06 77
IV.MRVN.HHZ. 2021-03-28T00:28:29.34 0.3 undecidable manual P 183 170.9955 50 -0.67 54
OT.OT14.EHZ. 2021-03-28T00:28:26.37 0.6 undecidable manual S 202 84.0492 50 -0.88 42
IV.TREM.HHN. 2021-03-28T00:28:26.70 0.6 undecidable manual S 230 82.7505 50 -0.2 52
IV.MELA.HHZ. 2021-03-28T00:28:25.48 0.3 undecidable manual P 224 137.6622 50 0.61 62
OT.OT07.EHZ. 2021-03-28T00:28:22.08 0.3 undecidable manual P 203 118.1928 50 0.2 72
OT.OT12.EHZ. 2021-03-28T00:28:21.38 0.3 undecidable manual P 196 111.8991 50 0.47 69
OT.OT06.EHZ. 2021-03-28T00:28:21.81 0.3 undecidable manual P 209 116.3946 50 0.21 72
OT.OT05.EHZ. 2021-03-28T00:28:21.38 0.3 undecidable manual P 209 118.5924 50 -0.56 66
IV.APRC.HHZ. 2021-03-28T00:28:20.79 0.1 undecidable manual P 213 111.6993 50 -0.09 100
OT.OT03.EHZ. 2021-03-28T00:28:20.85 0.3 undecidable manual P 208 111.5994 50 -0.01 76
OT.OT04.EHZ. 2021-03-28T00:28:20.84 0.3 undecidable manual P 211 113.6973 50 -0.34 71
IV.SGRT.HHZ. 2021-03-28T00:28:19.49 0.1 undecidable manual P 206 103.9182 50 -0.19 100
IV.MSAG.HNZ. 2021-03-28T00:28:19.94 0.1 undecidable manual P 198 103.3188 50 0.35 96
IV.TREM.HHN. 2021-03-28T00:28:16.19 0.3 undecidable manual P 230 82.7505 50 -0.23 77
OT.OT14.EHZ. 2021-03-28T00:28:16.76 0.3 undecidable manual P 202 84.0492 50 0.14 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT05.EHE. ML:2.1 0.00009718887 0.3 AML other m 2021-03-28T00:28:37.63
OT.OT05.EHN. ML:2.1 0.00010640358 0.46 AML other m 2021-03-28T00:28:37.95
IV.MELA.HHN. ML:2.1 0.00007159408 0.34 AML other m 2021-03-28T00:28:47.13
IV.MELA.HHE. ML:2.1 0.000075700025 0.66 AML other m 2021-03-28T00:28:47.77
IV.MELA.HNE. ML:2.6 0.000238317025 0.67 AML other m 2021-03-28T00:28:48.81
IV.MELA.HNN. ML:2.7 0.00029827919999999994 1.01 AML other m 2021-03-28T00:28:52.96
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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