Earthquake with magnitude of ML 2.0 on date 09-09-2021 and time 17:37:34 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 09-09-2021 17:37:34 (UTC)
  • 09-09-2021 19:37:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7630, 14.0980 at 24 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
92 Km NE of Bagheria (55387 inhabitants)
96 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 2.0 2021-09-09
17:37:34
38.7627 14.0978 25 2022-03-30
13:04:07
Bollettino Sismico Italiano INGV 95985081
Reviewed
Rev100
ML 2.0 2021-09-09
17:37:33
38.785 14.1143 24 2021-09-09
18:05:44
Sala Sismica INGV-Roma 95242671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-09 17:37:34 ± 0.15
Latitude 38.7627 ± 0.0090
Longitude 14.0978 ± 0.0081
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95985081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 875
Semi-minor axis of confidence ellipse (meter) 494
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
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) 212
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92900
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 95985081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-24 02:49:50

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 95242671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-09 18:05:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2021-09-09T17:39:35.46 3.0 undecidable manual Sg 14.16 0
MN.TRI.HHZ. 2021-09-09T17:39:33.38 3.0 positive manual Pg 13.2 0
IV.GAVE.EHZ. 2021-09-09T17:39:26.97 3.0 undecidable manual Sn -2.85 0
IV.IMOL.EHZ. 2021-09-09T17:39:08.10 3.0 positive manual Pn 2.36 0
IV.RCAV.EHZ. 2021-09-09T17:39:07.38 3.0 undecidable manual Sn -2.38 0
IV.ARVD.HHZ. 2021-09-09T17:38:59.71 3.0 undecidable manual Pg 8.58 0
IV.MRLC.HHZ. 2021-09-09T17:38:48.82 3.0 undecidable manual Sg 4.92 0
IV.SMA1.EHZ. 2021-09-09T17:38:46.40 3.0 negative manual Pg 7.72 0
IV.MOMA.HHZ. 2021-09-09T17:38:44.42 3.0 undecidable manual Pn 1.54 0
IX.COL3.HHZ.02 2021-09-09T17:38:41.62 3.0 undecidable manual Sg 0.39 0
IV.MCRV.HHZ. 2021-09-09T17:38:37.93 3.0 undecidable manual Sn -4.51 0
IV.VIVA.HHZ. 2021-09-09T17:38:36.01 3.0 negative manual Pg 7.46 0
IV.SPS2.HHZ. 2021-09-09T17:38:34.02 3.0 undecidable manual Sg 5.36 0
IV.COLB.HHZ. 2021-09-09T17:38:31.83 3.0 undecidable manual Sn -9.06 0
IV.VENT.EHZ. 2021-09-09T17:38:17.13 3.0 negative manual Pg 3.15 0
IV.MCRV.HHZ. 2021-09-09T17:38:16.58 3.0 undecidable manual Pg 2.71 0
IV.MTMR.EHZ. 2021-09-09T17:38:14.98 3.0 undecidable manual Pg -0.23 0
IV.CAFE.HHZ. 2021-09-09T17:38:14.37 3.0 undecidable manual Pn -2.92 0
IV.HPAC.HHZ. 2021-09-09T17:38:08.09 3.0 undecidable manual Pn -0.49 0
IV.CSLB.HHZ. 2021-09-09T17:38:01.06 0.6 undecidable manual S 182 91.6416 100 -0.15 46
IV.MSFR.HHZ. 2021-09-09T17:38:01.22 0.3 undecidable manual S 152 91.5417 100 0.03 71
IV.MCPD.HHZ. 2021-09-09T17:38:00.89 0.3 undecidable manual S 142 90.0432 100 0.09 70
IV.CPTP.HHZ. 2021-09-09T17:37:57.17 3.0 undecidable manual P -0.61 0
IV.PETRA.HHZ. 2021-09-09T17:37:51.96 0.6 undecidable manual P 179 103.119 98 0.5 42
IV.IFIL.HHZ. 2021-09-09T17:37:49.70 0.3 undecidable manual S 118 46.8198 111 0.07 76
IV.CSLB.HHZ. 2021-09-09T17:37:49.36 0.1 undecidable manual P 182 91.6416 100 -0.35 88
IV.MCPD.HHZ. 2021-09-09T17:37:49.35 0.3 undecidable manual P 142 90.0432 100 -0.12 69
IV.MSFR.HHZ. 2021-09-09T17:37:49.77 0.3 undecidable manual P 152 91.5417 100 0.07 70
IV.GIB.HHZ. 2021-09-09T17:37:48.87 0.6 undecidable manual P 184 85.9473 100 0.02 48
IV.USI.HHE. 2021-09-09T17:37:48.03 0.3 undecidable manual P 266 79.7646 101 0.12 71
IV.PLLN.EHZ. 2021-09-09T17:37:48.87 0.3 undecidable manual P 177 85.5477 100 0.09 71
IV.IVPL.HNZ. 2021-09-09T17:37:48.94 1.0 undecidable manual P 119 87.6456 100 -0.17 23
IV.IACL.HHZ. 2021-09-09T17:37:46.47 0.3 undecidable manual S 139 33.8439 119 -0.01 79
IV.IFIL.HHZ. 2021-09-09T17:37:43.18 0.1 undecidable manual P 118 46.8198 111 0.16 100
IV.IACL.HHZ. 2021-09-09T17:37:40.87 0.3 undecidable manual P 139 33.8439 119 -0.33 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IACL.HHE. ML:2.2 0.0006045 0.2 AML other m 2021-09-09T17:37:46.62
IV.IACL.HHN. ML:2.2 0.0006145 0.14 AML other m 2021-09-09T17:37:47.25
IV.IFIL.HHN. ML:2.1 0.00030437055 0.1536 AML other m 2021-09-09T17:37:50.82
IV.IFIL.HHE. ML:2.4 0.0007258949 1.8592 AML other m 2021-09-09T17:37:54.01
IV.MCPD.HHE. ML:1.5 0.000032622205 1.3984 AML other m 2021-09-09T17:38:04.02
IV.MCPD.HHN. ML:1.5 0.00003430454999999999 0.384 AML other m 2021-09-09T17:38:06.68
IV.PETRA.HHN. ML:1.8 0.000066450275 0.3968 AML other m 2021-09-09T17:38:07.28
IV.PETRA.HHE. ML:1.8 0.00006353917 1.4368 AML other m 2021-09-09T17:38:09.90
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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