Earthquake with magnitude of ML 2.3 on date 27-03-2021 and time 22:03:41 (Italy) in region Adriatico Centrale (MARE)

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

  • 27-03-2021 21:03:41 (UTC)
  • 27-03-2021 22:03:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5970, 16.1870 at 8 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
21:03:41
42.5968 16.1872 8 2021-07-12
16:55:09
Bollettino Sismico Italiano INGV 89623901
Reviewed
Rev100
ML 2.4 2021-03-27
21:03:40
42.7108 16.0612 10 2021-03-27
21:11:32
Sala Sismica INGV-Roma 88532861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-27 21:03:41 ± 0.27
Latitude 42.5968 ± 0.0117
Longitude 16.1872 ± 0.0244
Depth (km) 8 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89623901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1960
Semi-minor axis of confidence ellipse (meter) 1250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 1960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 270
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.68888
Epicentral distance of station farthest from the epicenter (degree) 2.03337
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 88532861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-27 21:11:32

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 89623901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-09 13:54:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HNE. 2021-03-27T21:04:17.06 0.6 undecidable manual P 245 225.7074 38 0.68 34
IV.VVLD.HHZ. 2021-03-27T21:04:16.99 0.6 undecidable manual P 250 225.5076 38 0.63 35
IV.MRLC.HHE. 2021-03-27T21:04:15.87 0.6 undecidable manual P 196 212.232 38 1.16 30
OT.OT07.EHZ. 2021-03-27T21:04:15.14 0.6 undecidable manual S 200 114.8961 50 0.16 64
IV.VAGA.HHZ. 2021-03-27T21:04:15.02 0.6 undecidable manual P 231 207.5367 38 0.89 35
IV.SGG.HHN. 2021-03-27T21:04:14.32 1.0 undecidable manual P 229 200.6436 38 1.06 17
OT.OT06.EHZ. 2021-03-27T21:04:14.48 0.6 undecidable manual S 206 112.1988 50 0.2 64
IV.T0110.HHZ. 2021-03-27T21:04:14.91 0.6 undecidable manual P 259 201.6426 38 1.52 26
OT.OT05.EHZ. 2021-03-27T21:04:14.34 0.6 undecidable manual S 205 114.5964 50 -0.56 58
OT.OT04.EHZ. 2021-03-27T21:04:13.65 0.3 undecidable manual S 207 109.3128 50 0.14 97
IV.SNAL.HNE. 2021-03-27T21:04:13.70 0.6 undecidable manual P 204 202.3419 38 0.23 45
OT.OT03.EHZ. 2021-03-27T21:04:13.44 0.6 undecidable manual S 204 107.6145 50 0.39 62
IV.INTR.HHE. 2021-03-27T21:04:13.36 0.6 undecidable manual P 252 198.1572 38 0.39 44
OT.OT12.EHZ. 2021-03-27T21:04:13.91 0.6 undecidable manual S 192 109.5126 50 0.36 62
IV.RNI2.HNE. 2021-03-27T21:04:12.55 0.6 undecidable manual P 240 194.4609 38 0.04 49
IV.PSB1.HNE. 2021-03-27T21:04:12.07 0.3 undecidable manual P 217 190.0653 38 0.12 74
IV.APRC.HHZ. 2021-03-27T21:04:12.40 0.6 undecidable manual S 210 107.115 50 -0.51 60
IV.AMUR.HHN. 2021-03-27T21:04:12.13 0.6 undecidable manual P 169 190.5648 38 0.11 49
IV.MIDA.HNZ. 2021-03-27T21:04:11.64 0.6 undecidable manual P 237 191.0643 38 -0.44 46
IV.MSAG.HHZ. 2021-03-27T21:04:11.57 0.3 undecidable manual S 193 100.8213 50 0.35 95
IV.PALZ.HHN. 2021-03-27T21:04:11.62 0.6 undecidable manual P 186 184.2711 38 0.38 48
IV.SACR.HNN. 2021-03-27T21:04:10.94 0.6 undecidable manual P 223 180.5859 38 0.16 51
IV.SGRT.HHZ. 2021-03-27T21:04:10.90 0.6 undecidable manual S 201 100.3218 50 -0.19 65
IV.LPEL.HHE. 2021-03-27T21:04:10.11 0.6 undecidable manual P 250 175.2912 50 0.08 53
IV.TST01.HHZ. 2021-03-27T21:04:10.57 0.6 undecidable manual P 238 175.3911 50 0.53 48
IV.BSSO.HHE. 2021-03-27T21:04:10.27 0.6 undecidable manual P 229 175.491 50 0.21 52
IV.TRIV.HHN. 2021-03-27T21:04:08.92 1.0 undecidable manual P 236 163.0146 50 0.78 23
IV.MRVN.HHZ. 2021-03-27T21:04:08.01 0.6 undecidable manual P 180 170.3961 50 -1.27 36
IV.MOCO.HNE. 2021-03-27T21:04:08.41 0.6 undecidable manual P 212 160.4172 50 0.67 49
IV.TST02.HHE. 2021-03-27T21:04:07.98 0.6 undecidable manual P 246 164.3133 50 -0.36 53
OT.OT13.EHZ. 2021-03-27T21:04:07.15 0.6 undecidable manual S 180 79.4649 50 1.62 37
OT.OT14.EHZ. 2021-03-27T21:04:06.58 0.6 undecidable manual S 197 81.0522 50 0.63 60
IV.CIGN.HHN. 2021-03-27T21:04:05.45 0.6 undecidable manual P 226 148.5402 50 -0.45 56
IV.TREM.HNZ. 2021-03-27T21:04:04.39 0.6 undecidable manual S 227 76.4679 50 -0.33 66
IV.MELA.HHZ. 2021-03-27T21:04:02.86 0.6 undecidable manual P 222 131.7681 50 -0.47 58
OT.OT07.EHZ. 2021-03-27T21:04:00.07 0.3 undecidable manual P 200 114.8961 50 -0.65 84
OT.OT06.EHZ. 2021-03-27T21:03:59.61 0.3 undecidable manual P 206 112.1988 50 -0.7 83
OT.OT04.EHZ. 2021-03-27T21:03:59.08 0.3 undecidable manual P 207 109.3128 50 -0.79 80
OT.OT05.EHZ. 2021-03-27T21:03:59.86 0.6 undecidable manual P 205 114.5964 50 -0.82 52
OT.OT03.EHZ. 2021-03-27T21:03:59.39 0.6 undecidable manual P 204 107.6145 50 -0.21 64
OT.OT12.EHZ. 2021-03-27T21:03:59.63 0.3 undecidable manual P 192 109.5126 50 -0.26 95
IV.APRC.HHZ. 2021-03-27T21:03:59.20 0.3 undecidable manual P 210 107.115 50 -0.32 94
IV.MSAG.HHZ. 2021-03-27T21:03:58.63 0.3 undecidable manual P 193 100.8213 50 0.09 100
IV.SGRT.HHZ. 2021-03-27T21:03:57.79 0.3 undecidable manual P 201 100.3218 50 -0.68 86
OT.OT13.EHZ. 2021-03-27T21:03:56.00 0.6 undecidable manual P 180 79.4649 50 0.74 58
OT.OT14.EHZ. 2021-03-27T21:03:55.05 0.3 undecidable manual P 197 81.0522 50 -0.45 96
IV.TREM.HNZ. 2021-03-27T21:03:55.16 0.6 undecidable manual P 227 76.4679 50 0.36 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT13.EHE. ML:2.4 0.00039200000000000004 0.2 AML other m 2021-03-27T21:04:10.36
OT.OT13.EHN. ML:2.6 0.000629 0.28 AML other m 2021-03-27T21:04:10.36
IV.SGRT.HHN. ML:2.3 0.000188 1.58 AML other m 2021-03-27T21:04:13.06
IV.SGRT.HHE. ML:2.3 0.0002085 0.42 AML other m 2021-03-27T21:04:13.87
IV.MSAG.HNE. ML:2.2 0.00016670565000000002 0.2176 AML other m 2021-03-27T21:04:14.98
IV.MSAG.HHN. ML:2.1 0.000128 0.24 AML other m 2021-03-27T21:04:15.62
IV.MSAG.HHE. ML:1.8 0.00006620513999999999 0.2176 AML other m 2021-03-27T21:04:14.98
IV.APRC.HHN. ML:2.5 0.000275 0.3 AML other m 2021-03-27T21:04:15.54
IV.MSAG.HNN. ML:2.5 0.000290242 0.256 AML other m 2021-03-27T21:04:15.50
IV.APRC.HHE. ML:2.3 0.0001762917 0.2816 AML other m 2021-03-27T21:04:14.36
OT.OT12.EHE. ML:2.1 0.000118 0.3 AML other m 2021-03-27T21:04:16.74
OT.OT05.EHN. ML:2.4 0.000189 0.42 AML other m 2021-03-27T21:04:16.57
OT.OT05.EHE. ML:2.2 0.00013450000000000002 1.62 AML other m 2021-03-27T21:04:16.85
OT.OT12.EHN. ML:2.2 0.000134 0.28 AML other m 2021-03-27T21:04:17.16
IV.MELA.HHN. ML:2.3 0.0001221577 0.2816 AML other m 2021-03-27T21:04:22.28
IV.MELA.HHE. ML:2.3 0.0001322082 0.32 AML other m 2021-03-27T21:04:22.41
IV.APRC.HNE. ML:2.4 0.00020561335 0.3584 AML other m 2021-03-27T21:04:18.84
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download