Earthquake with magnitude of ML 2.3 on date 09-04-2021 and time 00:27:10 (Italy) in region Adriatico Centrale (MARE)

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

  • 08-04-2021 22:27:10 (UTC)
  • 09-04-2021 00:27:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6810, 16.1530 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 2.3 2021-04-08
22:27:10
42.6808 16.1528 10 2021-07-12
16:55:13
Bollettino Sismico Italiano INGV 90703831
Reviewed
Rev100
ML 2.3 2021-04-08
22:27:12
42.6353 16.0803 23 2021-04-08
22:50:03
Sala Sismica INGV-Roma 88923131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-08 22:27:10 ± 0.34
Latitude 42.6808 ± 0.0108
Longitude 16.1528 ± 0.0257
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 90703831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2180
Semi-minor axis of confidence ellipse (meter) 927
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 2180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 318
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.73205
Epicentral distance of station farthest from the epicenter (degree) 1.23567
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:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 88923131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-08 22:50:03

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 90703831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-01 20:04:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2021-04-08T22:27:50.42 0.3 undecidable manual S 218 137.1627 50 0.35 86
OT.OT07.EHE. 2021-04-08T22:27:46.03 0.3 undecidable manual S 197 122.7882 50 -0.22 91
OT.OT05.EHZ. 2021-04-08T22:27:45.61 0.3 undecidable manual S 202 121.989 50 -0.43 87
OT.OT12.EHE. 2021-04-08T22:27:44.33 0.3 undecidable manual S 190 118.0929 50 -0.66 81
OT.OT03.EHE. 2021-04-08T22:27:44.04 0.3 undecidable manual S 201 115.0959 50 -0.16 94
OT.OT04.EHE. 2021-04-08T22:27:44.23 0.3 undecidable manual S 204 116.4945 50 -0.35 90
IV.APRC.HHE. 2021-04-08T22:27:44.40 0.3 undecidable manual S 206 113.997 50 0.49 87
OT.OT06.EHE. 2021-04-08T22:27:44.97 0.3 undecidable manual S 203 119.5914 50 -0.41 88
IV.SGRT.HHE. 2021-04-08T22:27:42.61 0.3 undecidable manual S 198 108.114 50 0.29 92
IV.MSAG.HHZ. 2021-04-08T22:27:42.72 0.3 undecidable manual S 191 109.3128 50 0.07 96
OT.OT13.EHZ. 2021-04-08T22:27:37.95 0.3 undecidable manual S 179 88.7445 50 0.79 82
OT.OT14.EHZ. 2021-04-08T22:27:37.54 0.3 undecidable manual S 193 89.3439 50 0.24 97
IV.TREM.HNZ. 2021-04-08T22:27:35.32 0.3 undecidable manual S 221 81.252 50 0.17 100
IV.MELA.HHZ. 2021-04-08T22:27:34.10 0.3 undecidable manual P 218 137.1627 50 0.65 78
IV.APRC.HHE. 2021-04-08T22:27:30.19 0.3 undecidable manual P 206 113.997 50 0.3 91
OT.OT06.EHE. 2021-04-08T22:27:30.24 0.3 undecidable manual P 203 119.5914 50 -0.5 86
OT.OT12.EHE. 2021-04-08T22:27:30.56 0.3 undecidable manual P 190 118.0929 50 0.05 95
OT.OT05.EHZ. 2021-04-08T22:27:30.67 0.6 undecidable manual P 202 121.989 50 -0.45 58
OT.OT03.EHE. 2021-04-08T22:27:30.17 0.3 undecidable manual P 201 115.0959 50 0.11 94
OT.OT07.EHE. 2021-04-08T22:27:30.70 0.3 undecidable manual P 197 122.7882 50 -0.54 84
IV.MSAG.HHZ. 2021-04-08T22:27:29.00 0.3 undecidable manual P 191 109.3128 50 -0.16 95
OT.OT04.EHE. 2021-04-08T22:27:29.80 0.3 undecidable manual P 204 116.4945 50 -0.48 87
IV.SGRT.HHE. 2021-04-08T22:27:28.88 0.3 undecidable manual P 198 108.114 50 -0.09 96
OT.OT13.EHZ. 2021-04-08T22:27:26.75 0.3 undecidable manual P 179 88.7445 50 0.75 83
IV.TREM.HNZ. 2021-04-08T22:27:25.72 1.0 undecidable manual P 221 81.252 50 0.88 27
OT.OT14.EHZ. 2021-04-08T22:27:25.96 0.3 undecidable manual P 193 89.3439 50 -0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT13.EHE. ML:2.3 0.0002575 0.26 AML other m 2021-04-08T22:27:40.57
OT.OT13.EHN. ML:2.6 0.00045770935 0.3328 AML other m 2021-04-08T22:27:40.55
OT.OT05.EHE. ML:2.1 0.00009070000000000001 0.34 AML other m 2021-04-08T22:27:48.24
IV.MSAG.HHE. ML:1.7 0.00004254755 0.3584 AML other m 2021-04-08T22:27:44.18
IV.MSAG.HNE. ML:2.4 0.00021959515000000002 0.5632 AML other m 2021-04-08T22:27:47.09
IV.MSAG.HHN. ML:2.0 0.000089550585 0.3968 AML other m 2021-04-08T22:27:49.46
IV.MSAG.HNN. ML:2.6 0.00032112447499999994 0.3584 AML other m 2021-04-08T22:27:47.10
OT.OT05.EHN. ML:2.0 0.000080247625 0.2688 AML other m 2021-04-08T22:27:50.26
IV.MELA.HHE. ML:2.4 0.000156 1.48 AML other m 2021-04-08T22:27:51.89
IV.MELA.HNE. ML:2.4 0.00016594789999999998 1.552 AML other m 2021-04-08T22:27:51.17
IV.MELA.HHN. ML:2.4 0.000134071185 0.3584 AML other m 2021-04-08T22:27:52.12
IV.MELA.HNN. ML:2.5 0.00018525134999999998 0.448 AML other m 2021-04-08T22:27:53.39
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