Earthquake with magnitude of ML 2.5 on date 28-03-2021 and time 03:52:57 (Italy) in region Adriatico Centrale (MARE)

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

  • 28-03-2021 01:52:57 (UTC)
  • 28-03-2021 03:52:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6340, 16.1850 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 2.5 2021-03-28
01:52:57
42.6343 16.1853 10 2021-07-12
16:55:06
Bollettino Sismico Italiano INGV 89114131
Reviewed
Rev100
ML 2.5 2021-03-28
01:52:56
42.7027 16.1813 30 2021-03-28
02:02:21
Sala Sismica INGV-Roma 88539681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-28 01:52:57 ± 0.28
Latitude 42.6343 ± 0.0135
Longitude 16.1853 ± 0.0244
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89114131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2040
Semi-minor axis of confidence ellipse (meter) 1450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 2040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 257
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.71406
Epicentral distance of station farthest from the epicenter (degree) 1.95782
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 88539681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-28 02:02:21

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 89114131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-20 13:40:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2021-03-28T01:53:32.11 0.6 undecidable manual S 204 118.2927 50 0.27 46
OT.OT06.EHZ. 2021-03-28T01:53:31.47 0.1 undecidable manual S 205 115.8951 50 0.27 93
OT.OT07.EHZ. 2021-03-28T01:53:31.66 0.3 undecidable manual S 199 118.6923 50 -0.29 69
IV.T0110.HHZ. 2021-03-28T01:53:30.17 1.0 undecidable manual P 258 202.242 38 0.65 15
OT.OT04.EHZ. 2021-03-28T01:53:30.52 0.3 undecidable manual S 206 112.998 50 0.1 73
OT.OT12.EHZ. 2021-03-28T01:53:30.13 0.6 undecidable manual S 192 113.4975 50 -0.43 45
IV.NOCI.HHN. 2021-03-28T01:53:30.91 0.6 undecidable manual P 160 217.3158 38 -0.48 29
IV.APRC.HHZ. 2021-03-28T01:53:29.91 0.3 undecidable manual S 209 110.7003 50 0.11 73
IV.VCEL.EHN. 2021-03-28T01:53:29.38 0.6 undecidable manual P 263 193.5618 38 0.94 28
OT.OT03.EHZ. 2021-03-28T01:53:29.94 0.6 undecidable manual S 203 111.3996 50 -0.05 49
IV.MSAG.HHZ. 2021-03-28T01:53:29.02 0.3 undecidable manual S 193 104.8173 50 0.79 61
IV.PSB1.HNE. 2021-03-28T01:53:29.24 0.3 undecidable manual P 216 193.2621 38 0.83 44
IV.AMUR.HHN. 2021-03-28T01:53:28.36 0.3 undecidable manual P 170 194.7606 38 -0.22 53
OT.OT15.EHZ. 2021-03-28T01:53:27.50 0.6 undecidable manual P 161 178.6878 38 0.91 30
IV.SGTA.HNZ. 2021-03-28T01:53:27.54 0.3 undecidable manual P 202 179.5869 38 0.84 47
IV.SGRT.HHZ. 2021-03-28T01:53:27.93 0.3 undecidable manual S 201 104.118 50 -0.12 74
IV.SACR.HNN. 2021-03-28T01:53:27.93 0.1 undecidable manual P 222 183.5829 38 0.73 64
IV.MRVN.HHZ. 2021-03-28T01:53:25.02 0.3 undecidable manual P 180 174.5919 50 -1 45
IV.MOCO.HNE. 2021-03-28T01:53:25.45 0.6 undecidable manual P 211 163.8138 50 1.08 30
OT.OT14.EHZ. 2021-03-28T01:53:23.84 0.6 undecidable manual S 196 84.9483 50 0.9 40
IV.CIGN.HHN. 2021-03-28T01:53:23.13 0.3 undecidable manual P 225 151.3374 50 0.69 57
OT.OT13.EHZ. 2021-03-28T01:53:22.94 0.6 undecidable manual S 180 83.6496 50 0.37 49
IV.TREM.HNZ. 2021-03-28T01:53:20.83 0.3 undecidable manual S 225 79.2651 50 -0.58 69
IV.MELA.HHZ. 2021-03-28T01:53:19.85 0.3 undecidable manual P 221 134.865 50 -0.05 70
OT.OT07.EHZ. 2021-03-28T01:53:17.08 0.1 positive manual P 199 118.6923 50 -0.34 92
OT.OT12.EHZ. 2021-03-28T01:53:17.00 0.1 undecidable manual P 192 113.4975 50 0.39 91
OT.OT05.EHZ. 2021-03-28T01:53:16.52 0.1 undecidable manual P 204 118.2927 50 -0.83 77
OT.OT06.EHZ. 2021-03-28T01:53:16.69 0.1 positive manual P 205 115.8951 50 -0.29 93
OT.OT04.EHZ. 2021-03-28T01:53:16.02 0.1 undecidable manual P 206 112.998 50 -0.51 89
OT.OT03.EHZ. 2021-03-28T01:53:15.96 0.1 positive manual P 203 111.3996 50 -0.32 93
IV.MSAG.HHZ. 2021-03-28T01:53:15.49 0.1 undecidable manual P 193 104.8173 50 0.22 96
IV.APRC.HHZ. 2021-03-28T01:53:15.98 0.1 positive manual P 209 110.7003 50 -0.19 96
IV.SGRT.HHZ. 2021-03-28T01:53:14.77 0.1 undecidable manual P 201 104.118 50 -0.39 93
OT.OT13.EHZ. 2021-03-28T01:53:12.24 0.6 undecidable manual P 180 83.6496 50 0.24 50
OT.OT14.EHZ. 2021-03-28T01:53:11.97 0.1 undecidable manual P 196 84.9483 50 -0.24 100
IV.TREM.HNZ. 2021-03-28T01:53:10.93 0.1 undecidable manual P 225 79.2651 50 -0.4 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT13.EHE. ML:2.7 0.000683 1.68 AML other m 2021-03-28T01:53:26.08
OT.OT13.EHN. ML:2.9 0.0009885 1.64 AML other m 2021-03-28T01:53:26.98
IV.SGRT.HHE. ML:2.6 0.0003765 1.14 AML other m 2021-03-28T01:53:29.27
IV.SGRT.HHN. ML:2.7 0.00045999999999999996 0.52 AML other m 2021-03-28T01:53:29.70
IV.MSAG.HHE. ML:2.0 0.00008395 1.22 AML other m 2021-03-28T01:53:30.67
IV.MSAG.HHN. ML:2.3 0.000201 1.16 AML other m 2021-03-28T01:53:30.83
OT.OT05.EHN. ML:2.6 0.0002825 0.34 AML other m 2021-03-28T01:53:32.53
OT.OT05.EHE. ML:2.5 0.0002265 1.58 AML other m 2021-03-28T01:53:32.94
OT.OT12.EHN. ML:2.4 0.00022099999999999998 0.24 AML other m 2021-03-28T01:53:33.26
OT.OT12.EHE. ML:2.3 0.0001705 0.74 AML other m 2021-03-28T01:53:33.60
IV.MELA.HHN. ML:2.5 0.000185 1.7 AML other m 2021-03-28T01:53:38.92
IV.MELA.HHE. ML:2.6 0.00023299999999999997 0.84 AML other m 2021-03-28T01:53:40.42
IV.NOCI.HHN. ML:2.3 0.00005075 0.26 AML other m 2021-03-28T01:53:55.65
IV.NOCI.HHE. ML:2.2 0.00003845 0.42 AML other m 2021-03-28T01:54:10.29
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