Earthquake with magnitude of ML 2.1 on date 28-03-2021 and time 04:45:21 (Italy) in region Adriatico Centrale (MARE)

A magnitude ML 2.1 earthquake occured in region: Adriatico Centrale (MARE), on

  • 28-03-2021 02:45:21 (UTC)
  • 28-03-2021 04:45:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6910, 16.0780 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 2.1 2021-03-28
02:45:21
42.6913 16.0777 10 2021-07-12
16:55:06
Bollettino Sismico Italiano INGV 89114551
Reviewed
Rev100
ML 2.1 2021-03-28
02:45:23
42.6363 16.0038 11 2021-03-28
02:53:56
Sala Sismica INGV-Roma 88540521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-28 02:45:21 ± 0.43
Latitude 42.6913 ± 0.0126
Longitude 16.0777 ± 0.0367
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 89114551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3088
Semi-minor axis of confidence ellipse (meter) 1243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 3090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 315
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.35258
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 89114551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-15 10:09:01

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 88540521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-28 02:53:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CFMN.HHN. 2021-03-28T02:46:35.65 3.0 undecidable manual Sg 2.93 0
OT.OT05.EHZ. 2021-03-28T02:45:56.01 0.6 undecidable manual S 199 120.99 50 -0.69 42
IV.NOCI.HHZ. 2021-03-28T02:45:56.63 3.0 positive manual P -0.37 0
OT.OT07.EHE. 2021-03-28T02:45:56.37 0.6 undecidable manual S 194 122.2887 50 -0.68 42
OT.OT06.EHE. 2021-03-28T02:45:55.95 0.6 undecidable manual S 200 118.4925 50 -0.07 49
OT.OT03.EHE. 2021-03-28T02:45:55.24 0.3 undecidable manual S 198 114.1968 50 0.36 70
OT.OT04.EHE. 2021-03-28T02:45:55.11 0.6 undecidable manual S 201 115.2957 50 -0.07 50
OT.OT12.EHZ. 2021-03-28T02:45:55.90 0.6 undecidable manual S 187 118.3926 50 -0.1 49
IV.MSAG.HHZ. 2021-03-28T02:45:54.19 0.6 undecidable manual S 187 109.5126 50 0.55 45
IV.APRC.HHE. 2021-03-28T02:45:54.71 0.3 undecidable manual S 203 112.4985 50 0.26 72
IV.SGRT.HHZ. 2021-03-28T02:45:52.30 0.6 undecidable manual S 195 107.5146 50 -0.8 41
OT.OT13.EHZ. 2021-03-28T02:45:49.19 0.3 undecidable manual S 175 90.3429 50 0.68 67
OT.OT14.EHZ. 2021-03-28T02:45:48.45 0.3 undecidable manual S 189 89.244 50 0.22 76
IV.CIGN.HHE. 2021-03-28T02:45:47.44 0.1 undecidable manual P 220 150.1386 50 1.05 67
IV.TREM.HHE. 2021-03-28T02:45:44.94 0.6 undecidable manual S 217 78.366 50 -0.38 50
IV.MELA.HHZ. 2021-03-28T02:45:44.78 0.1 undecidable manual P 216 134.3655 50 0.82 77
OT.OT03.EHE. 2021-03-28T02:45:41.50 0.1 undecidable manual P 198 114.1968 50 0.65 86
OT.OT12.EHZ. 2021-03-28T02:45:41.58 0.3 undecidable manual P 187 118.3926 50 0.08 74
OT.OT07.EHE. 2021-03-28T02:45:41.54 0.1 undecidable manual P 194 122.2887 50 -0.56 87
OT.OT05.EHZ. 2021-03-28T02:45:41.70 0.1 undecidable manual P 199 120.99 50 -0.2 96
IV.APRC.HHE. 2021-03-28T02:45:41.07 0.1 undecidable manual P 203 112.4985 50 0.47 92
OT.OT04.EHE. 2021-03-28T02:45:40.98 0.1 undecidable manual P 201 115.2957 50 -0.04 100
OT.OT06.EHE. 2021-03-28T02:45:40.85 0.1 undecidable manual P 200 118.4925 50 -0.66 85
IV.SGRT.HHZ. 2021-03-28T02:45:39.23 0.3 undecidable manual P 195 107.5146 50 -0.59 67
IV.MSAG.HHZ. 2021-03-28T02:45:39.78 0.3 undecidable manual P 187 109.5126 50 -0.35 71
OT.OT13.EHZ. 2021-03-28T02:45:37.95 0.6 undecidable manual P 175 90.3429 50 0.78 43
OT.OT14.EHZ. 2021-03-28T02:45:36.31 0.1 undecidable manual P 189 89.244 50 -0.7 88
IV.TREM.HHE. 2021-03-28T02:45:34.98 0.3 undecidable manual P 217 78.366 50 -0.35 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT13.EHE. ML:2.3 0.000242 0.94 AML other m 2021-03-28T02:45:53.37
OT.OT13.EHN. ML:2.4 0.0003085 0.98 AML other m 2021-03-28T02:45:53.36
IV.MSAG.HNN. ML:2.3 0.00018199689999999998 1.7808 AML other m 2021-03-28T02:45:55.10
IV.MSAG.HHN. ML:2.0 0.0000807 0.28 AML other m 2021-03-28T02:45:56.09
IV.SGRT.HHN. ML:2.0 0.00008659999999999999 0.42 AML other m 2021-03-28T02:45:56.60
IV.SGRT.HHE. ML:2.0 0.00009029999999999999 0.22 AML other m 2021-03-28T02:45:56.60
OT.OT12.EHN. ML:1.9 0.00006594999999999999 0.42 AML other m 2021-03-28T02:45:57.28
IV.MSAG.HNE. ML:2.2 0.00012158775 0.3392 AML other m 2021-03-28T02:45:57.65
IV.MSAG.HHE. ML:1.7 0.000044899999999999994 0.32 AML other m 2021-03-28T02:45:57.65
OT.OT05.EHN. ML:2.0 0.00008075 0.82 AML other m 2021-03-28T02:45:57.36
OT.OT12.EHE. ML:1.9 0.00005935 0.28 AML other m 2021-03-28T02:45:57.79
OT.OT05.EHE. ML:2.1 0.00008675 1.56 AML other m 2021-03-28T02:45:58.99
IV.MELA.HHN. ML:2.3 0.000123 1.18 AML other m 2021-03-28T02:46:03.12
IV.MELA.HHE. ML:2.2 0.00010669999999999999 1.34 AML other m 2021-03-28T02:46:04.74
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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