Earthquake with magnitude of ML 2.3 on date 10-12-2021 and time 13:07:38 (Italy) in region Tirreno Meridionale (MARE)

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

  • 10-12-2021 12:07:38 (UTC)
  • 10-12-2021 13:07:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.7500, 14.2230 at 21 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
97 Km NE of Bagheria (55387 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 2021-12-10
12:07:38
38.7497 14.2228 21 2022-03-30
13:04:36
Bollettino Sismico Italiano INGV 100742551
Reviewed
Rev100
ML 2.3 2021-12-10
12:07:38
38.7227 14.1802 24 2021-12-10
12:21:53
Sala Sismica INGV-Roma 98377871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-10 12:07:38 ± 0.19
Latitude 38.7497 ± 0.0099
Longitude 14.2228 ± 0.0081
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100742551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 866
Semi-minor axis of confidence ellipse (meter) 809
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 245
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.24012
Epicentral distance of station farthest from the epicenter (degree) 1.39934
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 98377871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-10 12:21:53

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 100742551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-08 01:03:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AIO.HHZ. 2021-12-10T12:08:14.86 0.3 undecidable manual S 134 123.1878 95 0.41 64
IV.SOLUN.HHE. 2021-12-10T12:08:07.19 0.6 undecidable manual S 220 94.4388 97 0.37 45
IV.CSLB.HHZ. 2021-12-10T12:08:05.36 0.3 undecidable manual S 189 91.242 97 -0.61 65
IV.MFNL.HHZ. 2021-12-10T12:08:04.16 0.6 undecidable manual P 227 155.3223 54 0.12 41
IV.MSFR.HHE. 2021-12-10T12:08:04.53 0.6 undecidable manual S 158 85.6476 98 0.05 49
IV.MTTG.HHE. 2021-12-10T12:08:03.72 1.0 undecidable manual P 122 152.8359 54 0 22
IV.PLLN.EHZ. 2021-12-10T12:08:03.61 1.0 undecidable manual S 185 84.249 98 -0.51 23
IV.MSRU.HHE. 2021-12-10T12:07:59.35 0.1 undecidable manual P 115 123.8871 95 -0.22 90
IV.AIO.HHZ. 2021-12-10T12:07:59.56 0.1 undecidable manual P 134 123.1878 95 0.09 90
IV.RESU.HHZ. 2021-12-10T12:07:59.93 0.6 undecidable manual P 187 123.1878 95 0.47 42
IV.MPNC.HHE. 2021-12-10T12:07:58.48 0.1 undecidable manual P 124 118.7922 95 -0.31 89
IV.MPG.HHE. 2021-12-10T12:07:56.21 1.0 undecidable manual P 229 99.3228 97 0.4 22
IV.SOLUN.HHE. 2021-12-10T12:07:55.01 0.1 undecidable manual P 220 94.4388 97 -0.05 98
IV.MUCR.HHZ. 2021-12-10T12:07:55.36 0.6 undecidable manual P 144 96.7254 97 -0.04 49
IV.CSLB.HHZ. 2021-12-10T12:07:54.21 0.6 undecidable manual P 189 91.242 97 -0.35 47
IV.MSFR.HHE. 2021-12-10T12:07:53.68 0.1 undecidable manual P 158 85.6476 98 -0.03 100
IV.PLLN.EHZ. 2021-12-10T12:07:53.48 0.6 undecidable manual P 185 84.249 98 -0.02 50
IV.MCPD.HHE. 2021-12-10T12:07:53.74 0.1 undecidable manual P 148 82.6506 98 0.49 90
IV.IFIL.HHZ. 2021-12-10T12:07:51.92 0.3 undecidable manual S 124 36.8298 111 0.13 80
3D.OEM8.HHN. 2021-12-10T12:07:51.18 1.0 undecidable manual P 117 67.7766 100 0.19 25
3D.OEM7.HHZ. 2021-12-10T12:07:50.72 1.0 undecidable manual P 114 71.2731 100 -0.8 21
IV.IACL.HHZ. 2021-12-10T12:07:48.90 0.6 undecidable manual S 154 26.6511 121 -0.44 51
IV.IFIL.HHZ. 2021-12-10T12:07:46.68 0.3 undecidable manual P 124 36.8298 111 0.3 77
IV.IACL.HHZ. 2021-12-10T12:07:44.71 1.0 undecidable manual P 154 26.6511 121 -0.26 27
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IACL.HHE. ML:2.3 0.0009906991 0.1792 AML other m 2021-12-10T12:07:48.62
IV.IACL.HHN. ML:2.5 0.0014726214999999999 0.6208 AML other m 2021-12-10T12:07:49.02
IV.IFIL.HHE. ML:0.0 0.001371268 0.2816 AML other m 2021-12-10T12:07:52.27
IV.IFIL.HHN. ML:0.0 0.0005219534 0.2432 AML other m 2021-12-10T12:07:52.84
IV.CSLB.HHE. ML:1.7 0.00005147162 0.544 AML other m 2021-12-10T12:08:05.51
IV.CSLB.HHN. ML:0.0 0.00005085841 0.2016 AML other m 2021-12-10T12:08:05.25
IV.MUCR.HHE. ML:2.2 0.0001465 0.88 AML other m 2021-12-10T12:08:12.44
IV.MUCR.HHN. ML:2.4 0.000263 0.48 AML other m 2021-12-10T12:08:13.39
IV.PLLN.EHN. ML:2.5 0.00035919245 0.9216 AML other m 2021-12-10T12:08:16.39
IV.PLLN.EHE. ML:2.4 0.0003183365 1.024 AML other m 2021-12-10T12:08:07.76
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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