Earthquake with magnitude of ML 2.3 on date 27-03-2021 and time 16:38:01 (Italy) in region Adriatico Centrale (MARE)

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

  • 27-03-2021 15:38:01 (UTC)
  • 27-03-2021 16:38:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5850, 16.2930 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 2021-03-27
15:38:01
42.5852 16.293 10 2021-07-12
16:55:05
Bollettino Sismico Italiano INGV 88917601
Reviewed
Rev100
ML 2.4 2021-03-27
15:38:00
42.6477 16.3238 10 2021-07-07
12:43:44
Sala Sismica INGV-Roma 88524571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-27 15:38:01 ± 0.26
Latitude 42.5852 ± 0.0135
Longitude 16.2930 ± 0.0220
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88917601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1870
Semi-minor axis of confidence ellipse (meter) 1330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 298
Circular confidence region, given by single value of horizontal uncertainty (meter) 1870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 279
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.70867
Epicentral distance of station farthest from the epicenter (degree) 1.85620
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:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 88524571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-27 15:44:41

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 88917601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-07 12:43:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2021-03-27T15:38:34.09 0.6 undecidable manual S 209 117.3936 50 -0.97 47
IV.INTR.HHE. 2021-03-27T15:38:34.30 0.6 undecidable manual P 253 206.0382 38 0.84 35
OT.OT07.EHZ. 2021-03-27T15:38:34.65 0.6 undecidable manual S 204 116.8941 50 -0.27 60
OT.OT06.EHZ. 2021-03-27T15:38:34.54 0.6 undecidable manual S 210 115.1958 50 0.08 63
OT.OT04.EHZ. 2021-03-27T15:38:33.63 0.6 undecidable manual S 212 112.4985 50 -0.12 63
OT.OT03.EHZ. 2021-03-27T15:38:33.21 0.3 undecidable manual S 209 110.3118 50 0.03 96
OT.OT12.EHZ. 2021-03-27T15:38:33.10 0.6 undecidable manual S 197 110.4006 50 -0.09 63
IV.APRC.HHZ. 2021-03-27T15:38:33.17 0.6 undecidable manual S 214 110.6004 50 -0.08 63
IV.SGRT.HHZ. 2021-03-27T15:38:31.07 0.6 undecidable manual S 206 102.6195 50 -0.04 65
IV.AMUR.HHN. 2021-03-27T15:38:31.06 0.6 undecidable manual P 172 187.8675 38 -0.14 48
IV.MSAG.HHZ. 2021-03-27T15:38:31.32 0.3 undecidable manual S 198 101.8203 50 0.41 90
IV.MRVN.HHZ. 2021-03-27T15:38:28.69 0.6 undecidable manual P 183 169.2972 50 0.02 54
OT.OT13.EHN. 2021-03-27T15:38:26.11 0.6 undecidable manual S 187 78.6657 50 1.38 41
IV.CIGN.HHN. 2021-03-27T15:38:26.42 0.3 undecidable manual P 228 153.9348 50 0.11 85
IV.TREM.HHN. 2021-03-27T15:38:25.86 0.6 undecidable manual S 232 82.1511 50 0.21 65
OT.OT07.EHZ. 2021-03-27T15:38:20.66 0.3 undecidable manual P 204 116.8941 50 0.06 94
OT.OT05.EHZ. 2021-03-27T15:38:20.40 0.3 undecidable manual P 209 117.3936 50 -0.28 90
OT.OT06.EHZ. 2021-03-27T15:38:20.52 0.3 undecidable manual P 210 115.1958 50 0.19 92
OT.OT03.EHZ. 2021-03-27T15:38:19.36 0.3 undecidable manual P 209 110.3118 50 -0.23 92
IV.APRC.HHZ. 2021-03-27T15:38:19.46 0.6 undecidable manual P 214 110.6004 50 -0.17 62
OT.OT04.EHZ. 2021-03-27T15:38:19.50 0.6 undecidable manual P 212 112.4985 50 -0.42 59
OT.OT12.EHZ. 2021-03-27T15:38:19.32 0.3 undecidable manual P 197 110.4006 50 -0.28 91
IV.MSAG.HHZ. 2021-03-27T15:38:18.09 0.3 undecidable manual P 198 101.8203 50 -0.19 95
IV.SGRT.HHZ. 2021-03-27T15:38:17.97 0.3 undecidable manual P 206 102.6195 50 -0.43 90
IV.TREM.HHN. 2021-03-27T15:38:16.00 0.6 undecidable manual P 232 82.1511 50 0.76 55
OT.OT14.EHZ. 2021-03-27T15:38:15.43 0.3 undecidable manual P 203 82.6506 50 0.1 100
OT.OT13.EHN. 2021-03-27T15:38:15.04 0.6 undecidable manual P 187 78.6657 50 0.33 64
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT05.EHN. ML:1.8 0.00005624999999999999 0.8 AML other m 2021-03-27T15:38:20.45
OT.OT05.EHE. ML:2.0 0.0000687 0.94 AML other m 2021-03-27T15:38:21.28
IV.APRC.HHN. ML:2.0 0.00008494999999999999 0.82 AML other m 2021-03-27T15:38:23.30
IV.TREM.HHE. ML:2.3 0.000277 1.5 AML other m 2021-03-27T15:38:29.84
IV.TREM.HHN. ML:2.4 0.0002985 1.34 AML other m 2021-03-27T15:38:29.09
IV.TREM.HNE. ML:2.4 0.0003095 1.28 AML other m 2021-03-27T15:38:29.85
OT.OT13.EHE. ML:2.6 0.0005575 0.22 AML other m 2021-03-27T15:38:29.25
OT.OT13.EHN. ML:2.8 0.0008075 0.24 AML other m 2021-03-27T15:38:29.46
IV.APRC.HHE. ML:2.1 0.00011135000000000001 0.52 AML other m 2021-03-27T15:38:33.52
IV.TREM.HNN. ML:2.5 0.0004455 0.62 AML other m 2021-03-27T15:38:36.19
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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