Earthquake with magnitude of ML 2.3 on date 10-08-2021 and time 08:55:54 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 10-08-2021 08:55:54 (UTC)
  • 10-08-2021 10:55:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4420, 15.4480 at 125 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

An earthquake occurred to
29 Km NW of Messina (238439 inhabitants)
41 Km NW of Reggio di Calabria (183035 inhabitants)
95 Km N of Acireale (52622 inhabitants)
96 Km SW of Lamezia Terme (70714 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 2021-08-10
08:55:54
38.442 15.4477 125 2021-12-29
11:12:35
Bollettino Sismico Italiano INGV 96362511
Reviewed
Rev100
ML 2.3 2021-08-10
08:55:53
38.4902 15.4807 127 2021-08-10
09:15:09
Sala Sismica INGV-Roma 93915711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-10 08:55:54 ± 0.28
Latitude 38.4420 ± 0.0243
Longitude 15.4477 ± 0.0253
Depth (km) 125 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96362511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2672
Semi-minor axis of confidence ellipse (meter) 2030
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 163
Circular confidence region, given by single value of horizontal uncertainty (meter) 2670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
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) 0.18436
Epicentral distance of station farthest from the epicenter (degree) 1.00544
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 93915711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-10 09:15:09

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 96362511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-09 03:11:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOI.EHZ. 2021-08-10T08:56:27.91 0.6 undecidable manual S 128 66.7776 149 -0.01 48
IV.AIO.HHE. 2021-08-10T08:56:27.43 0.6 undecidable manual S 200 55.5 154 0.67 42
IV.MTTG.HHE. 2021-08-10T08:56:27.10 0.6 undecidable manual S 156 53.4021 155 0.53 44
IV.IVUG.HHE. 2021-08-10T08:56:26.12 0.6 undecidable manual S 263 40.4262 161 0.61 44
IV.JOPP.HHZ. 2021-08-10T08:56:25.92 0.6 undecidable manual S 64 42.2244 160 0.28 47
IV.MSRU.HHZ. 2021-08-10T08:56:24.13 0.6 undecidable manual S 165 20.4684 170 -0.28 49
IV.MPNC.HHZ. 2021-08-10T08:56:24.96 0.6 undecidable manual S 194 33.8439 164 -0.11 50
IV.MILZ.HHZ. 2021-08-10T08:56:24.18 0.6 undecidable manual S 225 26.6511 167 -0.5 46
IV.SICLA.EHE. 2021-08-10T08:56:24.36 0.6 undecidable manual S 131 31.0467 165 -0.55 46
IV.CAR1.HHZ. 2021-08-10T08:56:17.63 0.6 undecidable manual P 36 111.5994 135 0.46 39
IV.SOI.EHZ. 2021-08-10T08:56:13.56 0.6 undecidable manual P 128 66.7776 149 -0.16 47
IV.AIO.HHE. 2021-08-10T08:56:13.28 0.1 undecidable manual P 200 55.5 154 0.22 94
IV.FERC.HNN. 2021-08-10T08:56:13.54 1.0 undecidable manual P 89 59.0964 153 0.28 23
IV.NOV.HHE. 2021-08-10T08:56:13.27 0.1 undecidable manual P 211 53.3022 155 0.33 92
IV.JOPP.HHZ. 2021-08-10T08:56:12.69 0.6 undecidable manual P 64 42.2244 160 0.28 47
IV.IVUG.HHE. 2021-08-10T08:56:12.30 0.1 undecidable manual P 263 40.4262 161 -0.03 100
IV.MTTG.HHE. 2021-08-10T08:56:12.93 0.1 undecidable manual P 156 53.4021 155 -0.02 98
IV.MPNC.HHZ. 2021-08-10T08:56:12.31 0.6 undecidable manual P 194 33.8439 164 0.23 49
IV.IVPL.HHE. 2021-08-10T08:56:12.21 0.1 undecidable manual P 260 41.3253 160 -0.16 97
IV.SICLA.EHE. 2021-08-10T08:56:11.60 0.1 undecidable manual P 131 31.0467 165 -0.38 95
IV.MSRU.HHZ. 2021-08-10T08:56:11.23 0.6 undecidable manual P 165 20.4684 170 -0.47 47
IV.ILOS.HHN. 2021-08-10T08:56:11.67 1.0 undecidable manual P 271 43.4232 159 -0.79 20
IV.MILZ.HHZ. 2021-08-10T08:56:11.42 0.6 undecidable manual P 225 26.6511 167 -0.43 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHN. ML:2.5 0.0002125 0.44 AML other m 2021-08-10T08:56:24.26
IV.MSRU.HHN. ML:2.5 0.00023199999999999997 0.26 AML other m 2021-08-10T08:56:24.48
IV.MSRU.HHE. ML:2.4 0.00019700000000000002 0.26 AML other m 2021-08-10T08:56:24.67
IV.MILZ.HHE. ML:2.8 0.00039400000000000004 0.44 AML other m 2021-08-10T08:56:25.55
IV.JOPP.HNN. ML:2.4 0.00014338423 1.3184 AML other m 2021-08-10T08:56:27.26
IV.MPNC.HHN. ML:2.4 0.00015000000000000001 1.22 AML other m 2021-08-10T08:56:26.02
IV.JOPP.HNE. ML:2.1 0.000083583655 0.448 AML other m 2021-08-10T08:56:27.37
IV.JOPP.HHN. ML:2.3 0.00013350000000000002 0.38 AML other m 2021-08-10T08:56:27.26
IV.MPNC.HHE. ML:2.3 0.000123 1.72 AML other m 2021-08-10T08:56:28.01
IV.JOPP.HHE. ML:1.8 0.000039099999999999995 0.44 AML other m 2021-08-10T08:56:28.29
IV.SOI.EHE. ML:1.9 0.000043650000000000004 0.34 AML other m 2021-08-10T08:56:30.76
IV.SOI.EHN. ML:2.0 0.0000486 1.2 AML other m 2021-08-10T08:56:31.15
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
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