Earthquake with magnitude of ML 2.2 on date 02-04-2021 and time 23:00:28 (UTC) in region Adriatico Centrale (MARE)

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

  • 02-04-2021 23:00:28 (UTC)
  • 03-04-2021 01:00:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6660, 16.0470 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 2021-04-02
23:00:28
42.6657 16.0465 10 2021-07-12
16:55:16
Bollettino Sismico Italiano INGV 91500361
Reviewed
Rev100
ML 2.2 2021-04-02
23:00:28
42.6573 16.0098 29 2021-04-02
23:08:17
Sala Sismica INGV-Roma 88721221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-02 23:00:28 ± 0.23
Latitude 42.6657 ± 0.0063
Longitude 16.0465 ± 0.0196
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 91500361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1656
Semi-minor axis of confidence ellipse (meter) 697
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 1660.0
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 32
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07109
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 91500361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-18 14:30:31

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 88721221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-02 23:08:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2021-04-02T23:02:26.94 3.0 undecidable manual Sn 1.87 0
ST.CARE.EHZ. 2021-04-02T23:02:12.50 3.0 negative manual Pg 8.33 0
IV.VARE.HHZ. 2021-04-02T23:02:08.46 3.0 negative manual Pn -4.75 0
IV.SPS2.HHZ. 2021-04-02T23:02:02.84 3.0 undecidable manual Sg 10.84 0
IV.ENIC.HHZ. 2021-04-02T23:01:49.14 3.0 negative manual Pn 5.6 0
IV.GALF.HHZ. 2021-04-02T23:01:49.04 3.0 undecidable manual Pn 5.51 0
IV.FIR.HHZ. 2021-04-02T23:01:41.50 3.0 undecidable manual Pg 3.86 0
IV.SEI.HHZ. 2021-04-02T23:01:32.82 3.0 undecidable manual Pn -5.7 0
IV.PTRP.HHZ. 2021-04-02T23:01:32.06 3.0 undecidable manual Sg 10.32 0
IV.APEC.HHZ. 2021-04-02T23:01:27.51 3.0 positive manual Pg 1.53 0
OT.OT05.EHZ. 2021-04-02T23:01:02.30 0.6 undecidable manual S 198 117.4935 50 -0.05 62
IV.SNAL.HHZ. 2021-04-02T23:01:01.53 3.0 undecidable manual Pg 1.7 0
OT.OT12.EHZ. 2021-04-02T23:01:01.24 0.6 undecidable manual S 186 115.1958 50 -0.51 57
OT.OT03.EHE. 2021-04-02T23:01:00.48 0.6 undecidable manual S 197 110.7003 50 -0.05 63
IV.MCRV.HHZ. 2021-04-02T23:01:00.99 3.0 positive manual Pn -0.75 0
IV.MSAG.HHZ. 2021-04-02T23:00:59.01 0.3 undecidable manual S 186 106.4157 50 -0.38 90
IV.SGRT.HHZ. 2021-04-02T23:00:58.93 0.6 undecidable manual S 194 104.118 50 0.16 63
OT.OT13.EHZ. 2021-04-02T23:00:54.94 0.6 undecidable manual S 173 87.7455 50 0.53 60
OT.OT14.EHZ. 2021-04-02T23:00:54.39 0.3 undecidable manual S 188 86.0472 50 0.43 92
IV.TREM.HHE. 2021-04-02T23:00:50.73 0.6 undecidable manual S 216 74.5698 50 -0.16 66
OT.OT05.EHZ. 2021-04-02T23:00:47.98 0.3 undecidable manual P 198 117.4935 50 0.03 94
OT.OT12.EHZ. 2021-04-02T23:00:47.46 0.3 undecidable manual P 186 115.1958 50 -0.14 92
OT.OT06.EHE. 2021-04-02T23:00:47.44 0.3 undecidable manual P 199 114.8961 50 -0.12 93
OT.OT04.EHE. 2021-04-02T23:00:47.10 0.3 undecidable manual P 200 111.6993 50 0.04 95
OT.OT03.EHE. 2021-04-02T23:00:47.34 0.3 undecidable manual P 197 110.7003 50 0.44 87
OT.OT07.EHE. 2021-04-02T23:00:47.95 0.3 undecidable manual P 193 118.8921 50 -0.22 90
IV.MSAG.HHZ. 2021-04-02T23:00:46.05 0.3 undecidable manual P 186 106.4157 50 -0.19 93
IV.APRC.HNE. 2021-04-02T23:00:46.75 0.3 undecidable manual P 202 108.9132 50 0.12 94
IV.SGRT.HHZ. 2021-04-02T23:00:45.84 0.3 undecidable manual P 194 104.118 50 -0.04 96
OT.OT13.EHZ. 2021-04-02T23:00:43.34 0.3 undecidable manual P 173 87.7455 50 -0.02 100
OT.OT14.EHZ. 2021-04-02T23:00:42.94 0.3 undecidable manual P 188 86.0472 50 -0.17 97
IV.TREM.HHE. 2021-04-02T23:00:41.57 0.3 undecidable manual P 216 74.5698 50 0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT13.EHE. ML:2.3 0.000253 0.22 AML other m 2021-04-02T23:00:56.51
OT.OT13.EHN. ML:2.6 0.0005034999999999999 1.76 AML other m 2021-04-02T23:00:57.90
IV.SGRT.HHN. ML:2.3 0.0001875 1.6 AML other m 2021-04-02T23:01:00.09
IV.MSAG.HHE. ML:1.6 0.000038900000000000004 0.56 AML other m 2021-04-02T23:01:00.93
IV.SGRT.HHE. ML:2.3 0.000187 0.44 AML other m 2021-04-02T23:01:01.34
IV.MSAG.HHN. ML:2.1 0.0001155 0.6 AML other m 2021-04-02T23:01:02.41
OT.OT05.EHE. ML:2.2 0.0001225 0.96 AML other m 2021-04-02T23:01:04.22
OT.OT12.EHN. ML:2.3 0.00014800000000000002 0.32 AML other m 2021-04-02T23:01:04.35
OT.OT12.EHE. ML:2.1 0.0000968 0.28 AML other m 2021-04-02T23:01:04.42
OT.OT05.EHN. ML:2.2 0.000131 1.6 AML other m 2021-04-02T23:01:05.84
IV.MCRV.HHE. ML:2.0 0.00002675 0.64 AML other m 2021-04-02T23:01:37.83
IV.MCRV.HHN. ML:2.2 0.00003555 0.64 AML other m 2021-04-02T23:01:39.28
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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