Earthquake with magnitude of ML 2.3 on date 08-08-2021 and time 08:54:14 (Italy) in region Adriatico Centrale (MARE)

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

  • 08-08-2021 06:54:14 (UTC)
  • 08-08-2021 08:54:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6510, 16.1920 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 2021-08-08
06:54:14
42.6507 16.1923 10 2021-12-29
11:12:52
Bollettino Sismico Italiano INGV 97972461
Reviewed
Rev100
ML 2.2 2021-08-08
06:54:15
42.6298 16.1558 30 2021-08-08
07:15:49
Sala Sismica INGV-Roma 93826391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-08 06:54:14 ± 0.35
Latitude 42.6507 ± 0.0162
Longitude 16.1923 ± 0.0452
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97972461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3850
Semi-minor axis of confidence ellipse (meter) 1570
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 3850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 328
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.78241
Epicentral distance of station farthest from the epicenter (degree) 1.37866
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
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 97972461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-17 16:00:21

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 93826391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-08 07:15:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT07.EHZ. 2021-08-08T06:54:48.98 0.3 undecidable manual S 199 120.5904 50 -0.12 97
OT.OT06.EHE. 2021-08-08T06:54:48.22 0.3 undecidable manual S 205 117.7932 50 -0.13 98
OT.OT05.EHZ. 2021-08-08T06:54:48.40 0.3 undecidable manual S 204 120.1908 50 -0.59 87
OT.OT04.EHE. 2021-08-08T06:54:47.25 0.6 undecidable manual S 206 114.8961 50 -0.32 63
OT.OT03.EHE. 2021-08-08T06:54:47.46 0.6 undecidable manual S 203 113.2977 50 0.32 63
OT.OT12.EHZ. 2021-08-08T06:54:47.51 0.3 undecidable manual S 192 115.3956 50 -0.2 96
IV.APRC.HHZ. 2021-08-08T06:54:46.80 0.3 undecidable manual S 209 112.4985 50 -0.14 98
IV.SGRT.HHZ. 2021-08-08T06:54:45.42 0.3 undecidable manual S 201 106.0161 50 0.22 98
IV.MSAG.HHZ. 2021-08-08T06:54:45.76 0.6 undecidable manual S 193 106.7154 50 0.38 63
OT.OT14.EHZ. 2021-08-08T06:54:40.88 0.3 undecidable manual S 196 86.8464 50 0.79 85
IV.CIGN.HHN. 2021-08-08T06:54:40.32 0.6 undecidable manual P 224 153.0357 50 0.97 45
OT.OT16.EHN. 2021-08-08T06:54:35.35 1.0 undecidable manual P 223 123.4875 50 0.56 29
OT.OT07.EHZ. 2021-08-08T06:54:34.17 1.0 undecidable manual P 199 120.5904 50 -0.19 32
OT.OT03.EHE. 2021-08-08T06:54:33.54 0.3 undecidable manual P 203 113.2977 50 0.32 95
OT.OT05.EHZ. 2021-08-08T06:54:33.46 0.6 undecidable manual P 204 120.1908 50 -0.83 52
OT.OT04.EHE. 2021-08-08T06:54:33.19 0.3 undecidable manual P 206 114.8961 50 -0.28 95
IV.APRC.HHZ. 2021-08-08T06:54:33.24 0.3 undecidable manual P 209 112.4985 50 0.13 99
OT.OT06.EHE. 2021-08-08T06:54:33.55 0.3 undecidable manual P 205 117.7932 50 -0.37 93
IV.SGRT.HHZ. 2021-08-08T06:54:32.24 0.3 undecidable manual P 201 106.0161 50 0.14 100
IV.MSAG.HHZ. 2021-08-08T06:54:32.33 0.3 undecidable manual P 193 106.7154 50 0.12 100
OT.OT12.EHZ. 2021-08-08T06:54:32.94 1.0 undecidable manual P 192 115.3956 50 -0.61 29
OT.OT14.EHZ. 2021-08-08T06:54:29.05 0.6 undecidable manual P 196 86.8464 50 -0.1 70
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SGRT.HHN. ML:2.3 0.00019530685 0.32 AML other m 2021-08-08T06:54:47.12
IV.SGRT.HHE. ML:2.5 0.00026294815 0.4 AML other m 2021-08-08T06:54:47.95
IV.APRC.HHE. ML:2.4 0.00022 0.32 AML other m 2021-08-08T06:54:48.41
IV.MSAG.HHE. ML:1.9 0.00007350000000000001 0.2 AML other m 2021-08-08T06:54:48.58
IV.MSAG.HNE. ML:2.3 0.00017198505 0.2016 AML other m 2021-08-08T06:54:48.58
OT.OT12.EHN. ML:2.1 0.00011135000000000001 0.32 AML other m 2021-08-08T06:54:48.84
IV.APRC.HHN. ML:2.5 0.00027449999999999995 1.72 AML other m 2021-08-08T06:54:49.01
IV.MSAG.HHN. ML:2.2 0.0001235 0.3 AML other m 2021-08-08T06:54:50.26
IV.MSAG.HNN. ML:2.5 0.0002888038 0.2976 AML other m 2021-08-08T06:54:50.26
OT.OT05.EHN. ML:2.3 0.00013569096 0.2208 AML other m 2021-08-08T06:54:50.24
OT.OT05.EHE. ML:2.1 0.00008785000000000001 0.2 AML other m 2021-08-08T06:54:50.80
OT.OT12.EHE. ML:2.0 0.00007157479999999999 0.4 AML other m 2021-08-08T06:54:52.79
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