Earthquake with magnitude of ML 2.3 on date 28-11-2021 and time 13:56:24 (Italy) in region Tirreno Meridionale (MARE)

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

  • 28-11-2021 12:56:24 (UTC)
  • 28-11-2021 13:56:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.7020, 14.1970 at 11 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
91 Km NE of Bagheria (55387 inhabitants)
98 Km NE of Palermo (674435 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 2021-11-28
12:56:24
38.702 14.1967 11 2021-12-03
14:52:03
Bollettino Sismico Italiano INGV 98096011
Reviewed
Rev100
ML 2.3 2021-11-28
12:56:24
38.6748 14.1605 11 2021-11-28
13:04:01
Sala Sismica INGV-Roma 97906571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-28 12:56:24 ± 0.33
Latitude 38.7020 ± 0.0180
Longitude 14.1967 ± 0.0127
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98096011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1861
Semi-minor axis of confidence ellipse (meter) 1237
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.20954
Epicentral distance of station farthest from the epicenter (degree) 1.06210
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
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 98096011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-03 14:51:30

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 97906571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-28 13:04:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHE. 2021-11-28T12:56:52.33 0.6 undecidable manual S 141 93.8394 50 0.01 47
IV.MPG.HHE. 2021-11-28T12:56:52.04 1.0 undecidable manual S 231 94.239 50 -0.38 20
IV.SOLUN.HHZ. 2021-11-28T12:56:51.26 0.6 undecidable manual S 221 88.9443 50 0.25 49
IV.CSLB.HHZ. 2021-11-28T12:56:49.51 0.6 undecidable manual S 188 85.6476 50 -0.62 43
IV.MSFR.HHZ. 2021-11-28T12:56:49.54 0.6 undecidable manual S 155 81.6516 50 0.47 47
IV.GIB.HHE. 2021-11-28T12:56:49.03 0.6 undecidable manual S 191 80.364 50 0.32 47
IV.PLLN.EHZ. 2021-11-28T12:56:48.46 0.6 undecidable manual S 183 78.8655 50 0.16 49
IV.MPNC.HHN. 2021-11-28T12:56:43.31 0.3 undecidable manual P 121 117.8931 50 -1.07 46
IV.MUCR.HHE. 2021-11-28T12:56:40.20 0.3 undecidable manual P 141 93.8394 50 -0.48 67
IV.MPG.HHE. 2021-11-28T12:56:40.73 0.6 undecidable manual P 231 94.239 50 -0.01 49
IV.SOLUN.HHZ. 2021-11-28T12:56:40.32 0.3 undecidable manual P 221 88.9443 50 0.4 68
IV.CSLB.HHZ. 2021-11-28T12:56:39.14 0.3 undecidable manual P 188 85.6476 50 -0.28 73
IV.MSFR.HHZ. 2021-11-28T12:56:38.81 0.3 undecidable manual P 155 81.6516 50 0 75
IV.GIB.HHE. 2021-11-28T12:56:38.74 1.0 undecidable manual P 191 80.364 50 0.14 24
IV.PLLN.EHZ. 2021-11-28T12:56:38.12 0.1 undecidable manual P 183 78.8655 50 -0.24 100
3D.OEM7.HHZ. 2021-11-28T12:56:38.08 0.3 undecidable manual P 110 71.373 50 0.86 67
IV.IFIL.HHZ. 2021-11-28T12:56:37.49 0.6 undecidable manual S 115 36.2415 50 0.56 44
IV.IACL.HHZ. 2021-11-28T12:56:33.89 0.6 undecidable manual S 144 23.2545 50 0.43 19
IV.IFIL.HHZ. 2021-11-28T12:56:32.33 0.3 undecidable manual P 115 36.2415 50 0.54 65
IV.IACL.HHZ. 2021-11-28T12:56:29.88 0.1 positive manual P 144 23.2545 50 0.08 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IACL.HHE. ML:2.6 0.002280576 0.256 AML other m 2021-11-28T12:56:34.30
IV.IACL.HHN. ML:2.4 0.0014305405 0.2048 AML other m 2021-11-28T12:56:36.53
IV.IFIL.HHN. ML:2.3 0.0007612519 0.2048 AML other m 2021-11-28T12:56:40.38
IV.IFIL.HHE. ML:2.6 0.001618477 0.2752 AML other m 2021-11-28T12:56:43.67
IV.PLLN.EHN. ML:2.3 0.00028037555000000005 0.4416 AML other m 2021-11-28T12:56:50.44
IV.CSLB.HHE. ML:1.7 0.000061970595 0.416 AML other m 2021-11-28T12:56:50.70
IV.CSLB.HHN. ML:1.6 0.000050473 0.2816 AML other m 2021-11-28T12:56:49.88
IV.PLLN.EHE. ML:2.2 0.00024280124999999999 0.9632 AML other m 2021-11-28T12:56:54.47
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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