Earthquake with magnitude of ML 2.5 on date 27-03-2021 and time 15:20:25 (Italy) in region Adriatico Centrale (MARE)

A magnitude ML 2.5 earthquake occured in region: Adriatico Centrale (MARE), on

  • 27-03-2021 14:20:25 (UTC)
  • 27-03-2021 15:20:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5940, 16.1400 at 11 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 2.5 2021-03-27
14:20:25
42.5942 16.1398 11 2021-07-12
16:55:05
Bollettino Sismico Italiano INGV 88834881
Reviewed
Rev100
ML 2.3 2021-03-27
14:20:23
42.6278 16.2412 10 2021-03-27
15:54:21
Sala Sismica INGV-Roma 88525011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-27 14:20:25 ± 0.28
Latitude 42.5942 ± 0.0126
Longitude 16.1398 ± 0.0232
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88834881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1860
Semi-minor axis of confidence ellipse (meter) 1420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 260
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
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) 0.66190
Epicentral distance of station farthest from the epicenter (degree) 1.90027
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 88834881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-07 10:37:37

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 88525011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-27 15:54:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HNN. 2021-03-27T14:21:02.49 0.6 undecidable manual S 221 129.0708 50 0.47 57
IV.MRLC.HHE. 2021-03-27T14:20:59.32 0.6 undecidable manual P 195 210.9333 38 1.35 27
OT.OT07.EHE. 2021-03-27T14:20:57.81 0.6 undecidable manual S 198 113.2977 50 -0.02 65
IV.ACER.HNZ. 2021-03-27T14:20:57.43 0.6 undecidable manual P 185 201.1431 38 0.67 39
OT.OT05.EHZ. 2021-03-27T14:20:57.36 0.3 undecidable manual S 203 112.6983 50 -0.31 92
IV.T0110.HHZ. 2021-03-27T14:20:57.15 0.6 undecidable manual P 259 197.7576 38 0.81 38
IV.SNAL.HNE. 2021-03-27T14:20:56.90 0.6 undecidable manual P 203 200.5437 38 0.22 45
IV.AMUR.HHN. 2021-03-27T14:20:56.94 1.0 undecidable manual P 168 191.0643 38 1.43 14
OT.OT03.EHE. 2021-03-27T14:20:56.34 0.3 undecidable manual S 203 105.8163 50 0.52 89
OT.OT12.EHZ. 2021-03-27T14:20:56.62 0.6 undecidable manual S 190 108.4137 50 0.1 65
IV.APRC.HHZ. 2021-03-27T14:20:55.85 0.6 undecidable manual S 208 105.0171 50 0.25 63
IV.INTR.HHE. 2021-03-27T14:20:55.79 0.6 undecidable manual P 251 194.4609 38 -0.14 47
OT.OT04.EHE. 2021-03-27T14:20:55.91 0.6 undecidable manual S 206 107.4147 50 -0.32 62
IV.PSB1.HNE. 2021-03-27T14:20:55.17 0.6 undecidable manual P 216 187.4679 38 0.11 49
IV.PALZ.HHN. 2021-03-27T14:20:55.42 0.6 undecidable manual P 185 183.6828 38 0.84 40
IV.MIDA.HNZ. 2021-03-27T14:20:55.11 0.6 undecidable manual P 236 187.6677 38 0.02 50
OT.OT15.EHZ. 2021-03-27T14:20:55.35 0.6 undecidable manual P 159 175.6908 38 1.75 25
IV.MSAG.HHZ. 2021-03-27T14:20:54.32 0.6 undecidable manual S 191 99.7224 50 0.14 65
IV.BSSO.HHE. 2021-03-27T14:20:53.00 0.6 undecidable manual P 228 172.3941 50 -0.09 53
IV.SGRT.HHZ. 2021-03-27T14:20:53.69 0.6 undecidable manual S 199 98.6235 50 -0.22 64
IV.SGTA.HNZ. 2021-03-27T14:20:53.60 0.6 undecidable manual P 202 174.0924 50 0.25 51
IV.TRIV.HHN. 2021-03-27T14:20:51.03 0.6 undecidable manual P 235 159.7179 50 -0.1 57
IV.CAPA.HNE. 2021-03-27T14:20:51.51 0.6 undecidable manual P 190 161.5161 50 0.1 56
IV.MOCO.HNE. 2021-03-27T14:20:50.83 0.3 undecidable manual P 211 158.1195 50 -0.06 86
IV.MRVN.HHZ. 2021-03-27T14:20:50.78 1.0 undecidable manual P 178 170.1963 50 -1.96 11
OT.OT13.EHZ. 2021-03-27T14:20:49.52 0.6 undecidable manual S 178 79.2651 50 0.8 56
IV.CIGN.HHN. 2021-03-27T14:20:48.84 0.3 undecidable manual P 225 145.5432 50 -0.12 89
OT.OT14.EHZ. 2021-03-27T14:20:48.64 0.6 undecidable manual S 194 79.6647 50 -0.21 67
IV.TREM.HHZ. 2021-03-27T14:20:47.48 0.3 undecidable manual S 225 73.4709 50 0.29 100
IV.MELA.HNN. 2021-03-27T14:20:47.76 0.6 undecidable manual P 221 129.0708 50 1.35 39
OT.OT07.EHE. 2021-03-27T14:20:43.99 0.3 undecidable manual P 198 113.2977 50 0 98
OT.OT05.EHZ. 2021-03-27T14:20:43.24 0.3 undecidable manual P 203 112.6983 50 -0.66 83
OT.OT03.EHE. 2021-03-27T14:20:42.86 0.3 undecidable manual P 203 105.8163 50 0.03 99
OT.OT12.EHZ. 2021-03-27T14:20:42.51 0.3 undecidable manual P 190 108.4137 50 -0.73 82
IV.APRC.HHZ. 2021-03-27T14:20:42.76 0.3 undecidable manual P 208 105.0171 50 0.06 99
OT.OT04.EHE. 2021-03-27T14:20:42.65 0.3 undecidable manual P 206 107.4147 50 -0.42 91
IV.MSAG.HHZ. 2021-03-27T14:20:41.03 0.3 undecidable manual P 191 99.7224 50 -0.85 79
IV.SGRT.HHZ. 2021-03-27T14:20:40.90 0.6 undecidable manual P 199 98.6235 50 -0.83 53
OT.OT13.EHZ. 2021-03-27T14:20:39.07 0.6 undecidable manual P 178 79.2651 50 0.34 65
IV.TREM.HHZ. 2021-03-27T14:20:37.57 0.6 undecidable manual P 225 73.4709 50 -0.28 67
OT.OT14.EHZ. 2021-03-27T14:20:37.88 0.3 undecidable manual P 194 79.6647 50 -0.93 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGRT.HHN. ML:2.5 0.00029262595 0.5184 AML other m 2021-03-27T14:20:55.49
IV.MSAG.HHE. ML:2.1 0.00012019365 0.3584 AML other m 2021-03-27T14:20:57.32
IV.SGRT.HHE. ML:2.7 0.00047808105 0.4416 AML other m 2021-03-27T14:20:56.82
IV.APRC.HHE. ML:2.7 0.0004373135 0.256 AML other m 2021-03-27T14:20:59.59
IV.MSAG.HHN. ML:2.2 0.000176243 0.3392 AML other m 2021-03-27T14:20:56.92
OT.OT05.EHE. ML:2.5 0.00023541440000000003 0.3648 AML other m 2021-03-27T14:20:58.56
IV.APRC.HHN. ML:2.6 0.00036006355 0.2176 AML other m 2021-03-27T14:20:58.78
OT.OT12.EHE. ML:2.4 0.00019499165000000002 0.2624 AML other m 2021-03-27T14:20:58.82
OT.OT05.EHN. ML:2.6 0.00029600000000000004 1.28 AML other m 2021-03-27T14:20:58.27
OT.OT12.EHN. ML:2.5 0.00030526545 0.5184 AML other m 2021-03-27T14:20:59.52
IV.MSAG.HNE. ML:2.5 0.00030087600000000005 0.3776 AML other m 2021-03-27T14:20:57.32
IV.MSAG.HNN. ML:2.6 0.00043808674999999995 0.3392 AML other m 2021-03-27T14:20:56.92
IV.APRC.HNE. ML:2.7 0.00046661365 0.2752 AML other m 2021-03-27T14:20:59.47
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
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