Earthquake with magnitude of ML 2.2 on date 27-10-2021 and time 20:06:45 (UTC) in region Adriatico Centrale (MARE)

A magnitude ML 2.2 earthquake occured in region: Adriatico Centrale (MARE), on

  • 27-10-2021 20:06:45 (UTC)
  • 27-10-2021 22:06:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5950, 15.9860 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 2.2 2021-10-27
20:06:45
42.5948 15.9863 10 2022-03-30
13:04:38
Bollettino Sismico Italiano INGV 101078441
Reviewed
Rev100
ML 2.3 2021-10-27
20:06:44
42.6317 16.21 10 2021-10-27
20:19:53
Sala Sismica INGV-Roma 97027681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-27 20:06:45 ± 0.34
Latitude 42.5948 ± 0.0189
Longitude 15.9863 ± 0.0440
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101078441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3870
Semi-minor axis of confidence ellipse (meter) 1530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 3870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.58816
Epicentral distance of station farthest from the epicenter (degree) 1.28693
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:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 101078441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-17 10:50:34

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 97027681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-27 20:19:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2021-10-27T20:07:18.29 0.6 undecidable manual S 197 108.5136 50 0.76 54
OT.OT06.EHE. 2021-10-27T20:07:17.38 0.6 undecidable manual S 198 105.9162 50 0.55 59
OT.OT12.EHZ. 2021-10-27T20:07:16.70 0.6 undecidable manual S 183 107.0151 50 -0.43 61
OT.OT04.EHE. 2021-10-27T20:07:16.60 0.6 undecidable manual S 199 102.6195 50 0.63 58
OT.OT03.EHE. 2021-10-27T20:07:16.90 0.6 undecidable manual S 196 101.7204 50 1.17 46
IV.APRC.HHZ. 2021-10-27T20:07:16.87 0.6 undecidable manual S 202 99.8223 50 1.66 34
IV.MSAG.HHZ. 2021-10-27T20:07:15.06 0.6 undecidable manual S 184 98.124 50 0.3 64
IV.SGRT.HHZ. 2021-10-27T20:07:13.77 0.6 undecidable manual S 192 95.3379 50 -0.24 65
OT.OT13.EHZ. 2021-10-27T20:07:10.31 0.6 undecidable manual S 169 80.7636 50 0.18 68
OT.OT14.EHN. 2021-10-27T20:07:10.59 0.6 undecidable manual S 185 77.7666 50 1.28 45
CR.STON.BHZ. 2021-10-27T20:07:09.87 0.3 undecidable manual P 77 142.8459 50 0.42 85
IV.APRC.HHZ. 2021-10-27T20:07:03.14 0.3 undecidable manual P 202 99.8223 50 0.34 95
OT.OT05.EHZ. 2021-10-27T20:07:03.74 0.3 undecidable manual P 197 108.5136 50 -0.4 92
OT.OT12.EHZ. 2021-10-27T20:07:03.10 0.3 undecidable manual P 183 107.0151 50 -0.82 79
OT.OT04.EHE. 2021-10-27T20:07:02.45 0.3 undecidable manual P 199 102.6195 50 -0.8 81
OT.OT03.EHE. 2021-10-27T20:07:02.69 0.3 undecidable manual P 196 101.7204 50 -0.42 93
OT.OT06.EHE. 2021-10-27T20:07:02.68 0.3 undecidable manual P 198 105.9162 50 -1.07 71
IV.MSAG.HHZ. 2021-10-27T20:07:01.60 0.3 undecidable manual P 184 98.124 50 -0.95 76
OT.OT13.EHZ. 2021-10-27T20:07:00.16 0.3 undecidable manual P 169 80.7636 50 0.28 100
IV.SGRT.HHZ. 2021-10-27T20:07:00.98 0.3 undecidable manual P 192 95.3379 50 -1.14 70
CR.HVAR.HHE. 2021-10-27T20:06:59.75 0.3 undecidable manual P 30 74.7696 50 0.8 85
OT.OT14.EHN. 2021-10-27T20:06:58.67 0.3 undecidable manual P 185 77.7666 50 -0.73 87
IV.TREM.HHZ. 2021-10-27T20:06:58.29 0.3 undecidable manual P 217 65.2902 50 0.8 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TREM.HHN. ML:2.3 0.00040365585 0.0608 AML other m 2021-10-27T20:07:10.96
IV.TREM.HHE. ML:2.4 0.00042345745 0.976 AML other m 2021-10-27T20:07:12.38
IV.MSAG.HHE. ML:1.8 0.00005855000000000001 0.5 AML other m 2021-10-27T20:07:16.56
IV.MSAG.HNN. ML:2.4 0.00025868 1.2704 AML other m 2021-10-27T20:07:16.11
IV.MSAG.HNE. ML:2.1 0.00012857485 1.3344 AML other m 2021-10-27T20:07:16.31
IV.MSAG.HHN. ML:2.0 0.0001081 1.74 AML other m 2021-10-27T20:07:16.11
IV.SGRT.HHE. ML:2.3 0.0002026888 0.4992 AML other m 2021-10-27T20:07:17.25
IV.SGRT.HHN. ML:2.4 0.000249 0.56 AML other m 2021-10-27T20:07:17.23
IV.APRC.HHN. ML:2.4 0.000261 0.82 AML other m 2021-10-27T20:07:18.30
OT.OT12.EHE. ML:1.9 0.000076162175 0.9504 AML other m 2021-10-27T20:07:18.51
OT.OT05.EHN. ML:2.2 0.00014810465 1.0144 AML other m 2021-10-27T20:07:19.65
OT.OT12.EHN. ML:2.0 0.0001021 1.24 AML other m 2021-10-27T20:07:20.31
IV.APRC.HHE. ML:2.4 0.000225 1.4 AML other m 2021-10-27T20:07:21.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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