Earthquake with magnitude of ML 2.1 on date 29-03-2021 and time 03:28:55 (UTC) in region Adriatico Centrale (MARE)

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

  • 29-03-2021 03:28:55 (UTC)
  • 29-03-2021 05:28:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6680, 16.1450 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 2021-03-29
03:28:55
42.6677 16.1452 10 2021-07-12
16:55:16
Bollettino Sismico Italiano INGV 91703921
Reviewed
Rev100
ML 2.1 2021-03-29
03:28:56
42.6538 16.1268 10 2021-03-29
03:43:50
Sala Sismica INGV-Roma 88578111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-29 03:28:55 ± 0.39
Latitude 42.6677 ± 0.0126
Longitude 16.1452 ± 0.0318
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 91703921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2780
Semi-minor axis of confidence ellipse (meter) 1118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 2780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 317
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.71856
Epicentral distance of station farthest from the epicenter (degree) 1.22128
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 91703921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-22 11:06:24

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 88578111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-29 03:43:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHE. 2021-03-29T03:29:35.72 0.3 undecidable manual S 218 135.5643 50 1.17 47
OT.OT05.EHZ. 2021-03-29T03:29:30.00 0.6 undecidable manual S 202 120.3906 50 -0.5 43
OT.OT07.EHN. 2021-03-29T03:29:30.15 0.3 undecidable manual S 197 121.1898 50 -0.57 64
OT.OT12.EHZ. 2021-03-29T03:29:29.00 0.6 undecidable manual S 190 116.4945 50 -0.47 44
OT.OT06.EHN. 2021-03-29T03:29:29.97 1.0 undecidable manual S 203 117.993 50 0.12 24
OT.OT04.EHZ. 2021-03-29T03:29:28.77 0.6 undecidable manual S 204 114.8961 50 -0.27 46
IV.APRC.HNN. 2021-03-29T03:29:28.38 0.6 undecidable manual S 206 112.3986 50 0.01 49
OT.OT03.EHN. 2021-03-29T03:29:27.77 0.3 undecidable manual S 201 113.4975 50 -0.89 56
IV.MSAG.HHZ. 2021-03-29T03:29:27.08 0.3 undecidable manual S 190 107.7144 50 -0.04 74
IV.SGRT.HHZ. 2021-03-29T03:29:26.73 0.6 undecidable manual S 198 106.5156 50 -0.06 49
OT.OT14.EHZ. 2021-03-29T03:29:22.21 0.3 undecidable manual S 193 87.7455 50 0.44 71
OT.OT13.EHZ. 2021-03-29T03:29:22.56 0.6 undecidable manual S 178 87.3459 50 0.89 40
IV.TREM.HHN. 2021-03-29T03:29:20.49 0.6 undecidable manual S 221 79.7646 50 0.85 41
IV.MELA.HHE. 2021-03-29T03:29:18.26 0.6 undecidable manual P 218 135.5643 50 0.16 45
IV.APRC.HNN. 2021-03-29T03:29:15.14 0.3 undecidable manual P 206 112.3986 50 0.61 64
OT.OT05.EHZ. 2021-03-29T03:29:15.30 0.3 undecidable manual P 202 120.3906 50 -0.47 66
OT.OT03.EHN. 2021-03-29T03:29:15.02 0.3 undecidable manual P 201 113.4975 50 0.31 69
OT.OT12.EHZ. 2021-03-29T03:29:15.44 0.3 undecidable manual P 190 116.4945 50 0.27 69
OT.OT06.EHN. 2021-03-29T03:29:15.13 0.3 undecidable manual P 203 117.993 50 -0.26 69
OT.OT07.EHN. 2021-03-29T03:29:15.48 0.1 undecidable manual P 197 121.1898 50 -0.41 89
OT.OT04.EHZ. 2021-03-29T03:29:14.49 0.3 undecidable manual P 204 114.8961 50 -0.43 67
IV.MSAG.HHZ. 2021-03-29T03:29:13.79 0.3 undecidable manual P 190 107.7144 50 -0.02 74
IV.SGRT.HHZ. 2021-03-29T03:29:13.32 0.3 undecidable manual P 198 106.5156 50 -0.3 70
OT.OT13.EHZ. 2021-03-29T03:29:11.50 0.3 undecidable manual P 178 87.3459 50 0.83 61
OT.OT14.EHZ. 2021-03-29T03:29:10.89 0.1 undecidable manual P 193 87.7455 50 0.16 100
IV.TREM.HHN. 2021-03-29T03:29:09.10 0.3 undecidable manual P 221 79.7646 50 -0.4 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT13.EHN. ML:2.5 0.00040585705 0.2992 AML other m 2021-03-29T03:29:24.15
OT.OT13.EHE. ML:2.3 0.0002464126 0.28 AML other m 2021-03-29T03:29:24.32
IV.SGRT.HHN. ML:2.4 0.0002095 0.42 AML other m 2021-03-29T03:29:28.26
IV.MSAG.HHE. ML:1.5 0.00003075 0.74 AML other m 2021-03-29T03:29:28.56
IV.MSAG.HNN. ML:2.3 0.00017850359999999998 0.2992 AML other m 2021-03-29T03:29:28.79
IV.MSAG.HHN. ML:2.0 0.00007769999999999999 0.96 AML other m 2021-03-29T03:29:28.31
IV.SGRT.HHE. ML:2.4 0.000209 0.36 AML other m 2021-03-29T03:29:29.30
IV.MSAG.HNE. ML:2.0 0.00009093366 1.7616 AML other m 2021-03-29T03:29:29.12
OT.OT12.EHE. ML:1.8 0.000056550000000000006 0.38 AML other m 2021-03-29T03:29:31.37
OT.OT12.EHN. ML:2.0 0.00007539999999999999 0.3 AML other m 2021-03-29T03:29:32.23
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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