Earthquake with magnitude of ML 2.4 on date 24-10-2021 and time 11:00:50 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 24-10-2021 11:00:50 (UTC)
  • 24-10-2021 13:00:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5490, 13.3030 at 8 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
48 Km N of Palermo (674435 inhabitants)
55 Km NW of Bagheria (55387 inhabitants)
91 Km NE of Trapani (68759 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 2.4 2021-10-24
11:00:50
38.549 13.3033 8 2022-03-30
13:04:38
Bollettino Sismico Italiano INGV 101084971
Reviewed
Rev100
ML 2.4 2021-10-24
11:00:50
38.5383 13.2953 5 2021-10-24
11:16:35
Sala Sismica INGV-Roma 96946771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-24 11:00:50 ± 0.17
Latitude 38.5490 ± 0.0090
Longitude 13.3033 ± 0.0218
Depth (km) 8 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101084971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2080
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 2080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.56662
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 96946771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-24 11:16:35

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 101084971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-17 14:35:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RCAV.EHZ. 2021-10-24T11:02:39.35 3.0 undecidable manual Sg 0.25 0
IV.TOLF.HHZ. 2021-10-24T11:02:38.02 3.0 undecidable manual Sn -9.2 0
IV.CAVE.HHZ. 2021-10-24T11:02:37.87 3.0 negative manual Pn -0.58 0
IV.GATE.HHZ. 2021-10-24T11:02:36.88 3.0 undecidable manual Sg 0.82 0
IV.CRTC.HHZ. 2021-10-24T11:02:25.98 3.0 undecidable manual Pg 5.47 0
IV.ASSB.HHZ. 2021-10-24T11:02:19.06 3.0 undecidable manual Pg 8.29 0
IX.SCL3.EHZ.02 2021-10-24T11:02:15.78 3.0 undecidable manual Sn -7.66 0
IV.CAFI.HNZ. 2021-10-24T11:02:15.00 3.0 undecidable manual Pn -0.72 0
IV.RIBO.EHZ.01 2021-10-24T11:02:10.94 3.0 undecidable manual Pn -2.33 0
OT.OT17.EHZ. 2021-10-24T11:01:56.00 3.0 positive manual Pn -0.51 0
IX.NSC3.EHZ.02 2021-10-24T11:01:43.64 3.0 positive manual Pn -1.4 0
IV.ICAI.EHZ. 2021-10-24T11:01:35.10 3.0 negative manual Pn -4.32 0
IV.PLLN.EHE. 2021-10-24T11:01:20.25 0.6 undecidable manual S 130 95.7264 50 0.73 1
IV.RAFF.HHZ. 2021-10-24T11:01:20.07 0.3 undecidable manual P 147 173.8926 50 0.64 0
IV.CSLB.HHZ. 2021-10-24T11:01:19.06 0.6 undecidable manual S 136 94.4388 50 -0.13 1
IV.MTGR.HHZ. 2021-10-24T11:01:16.89 0.6 undecidable manual S 213 86.8464 50 -0.26 8
IV.SCIAR.HHZ. 2021-10-24T11:01:16.09 0.3 undecidable manual S 150 77.8665 50 1.33 19
IV.MBFT.HHZ. 2021-10-24T11:01:14.38 0.3 undecidable manual S 205 73.4709 50 0.79 33
IV.MCPD.HHE. 2021-10-24T11:01:12.39 0.3 undecidable manual P 111 133.0668 50 -0.74 0
IV.MSFR.HHZ. 2021-10-24T11:01:11.42 0.3 undecidable manual P 117 125.874 50 -0.61 0
IV.SOLUN.HHZ. 2021-10-24T11:01:09.19 0.6 undecidable manual S 158 54.501 50 0.68 41
IV.LEVAN.EHE. 2021-10-24T11:01:08.85 0.3 undecidable manual P 234 103.8183 50 0.22 0
IV.MMGO.HHZ. 2021-10-24T11:01:08.75 0.3 undecidable manual P 196 102.4197 50 0.33 0
IV.IACL.HHZ. 2021-10-24T11:01:08.35 0.6 undecidable manual P 91 91.242 50 1.66 2
IV.CSLB.HHZ. 2021-10-24T11:01:07.19 0.3 undecidable manual P 136 94.4388 50 0 2
IV.PLLN.EHE. 2021-10-24T11:01:07.45 0.3 undecidable manual P 130 95.7264 50 0.07 1
IV.MTGR.HHZ. 2021-10-24T11:01:06.06 0.3 undecidable manual P 213 86.8464 50 0.05 12
IV.SCIAR.HHZ. 2021-10-24T11:01:05.03 0.3 undecidable manual P 150 77.8665 50 0.4 28
IV.ERC.EHE. 2021-10-24T11:01:05.61 0.3 undecidable manual P 228 84.249 50 -0.01 17
IV.MPG.HHZ. 2021-10-24T11:01:04.70 0.6 undecidable manual S 173 43.2234 50 -0.82 40
IV.MBFT.HHZ. 2021-10-24T11:01:04.19 0.1 undecidable manual P 205 73.4709 50 0.23 52
IV.SOLUN.HHZ. 2021-10-24T11:01:00.72 0.3 undecidable manual P 158 54.501 50 -0.31 69
IV.MPG.HHZ. 2021-10-24T11:00:58.23 0.3 undecidable manual P 173 43.2234 50 -1.06 53
IV.USI.HHE. 2021-10-24T11:00:58.55 0.6 undecidable manual S 329 20.6682 111 0.09 49
IV.USI.HHE. 2021-10-24T11:00:55.23 0.1 negative manual P 329 20.6682 111 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPG.HHN. ML:2.6 0.001304875 0.2176 AML other m 2021-10-24T11:01:08.36
IV.MPG.HHE. ML:2.6 0.0011607715 0.32 AML other m 2021-10-24T11:01:09.27
IV.SOLUN.HHE. ML:2.7 0.0012852709999999997 1.6608 AML other m 2021-10-24T11:01:11.09
IV.SOLUN.HHN. ML:2.7 0.001280341 0.4224 AML other m 2021-10-24T11:01:12.87
IV.MBFT.HHE. ML:2.4 0.0003765 0.4 AML other m 2021-10-24T11:01:15.76
IV.SCIAR.HNN. ML:2.6 0.00061095665 0.5632 AML other m 2021-10-24T11:01:18.31
IV.SCIAR.HNE. ML:2.6 0.00064 0.32 AML other m 2021-10-24T11:01:18.80
IV.MBFT.HHN. ML:2.4 0.000384497 0.5248 AML other m 2021-10-24T11:01:19.32
IV.SCIAR.HHE. ML:2.6 0.00058237155 1.6992 AML other m 2021-10-24T11:01:19.11
IV.MTGR.HHN. ML:2.6 0.000586 1.64 AML other m 2021-10-24T11:01:19.14
IV.MTGR.HHE. ML:2.4 0.00028199999999999997 1.64 AML other m 2021-10-24T11:01:19.16
IV.SCIAR.HHN. ML:2.5 0.0004250901 0.2624 AML other m 2021-10-24T11:01:20.62
IV.MBFT.HNE. ML:1.8 0.00010685334 0.7104 AML other m 2021-10-24T11:01:21.56
IV.CSLB.HHN. ML:2.2 0.00018899689999999999 1.68 AML other m 2021-10-24T11:01:22.90
IV.CSLB.HHE. ML:2.3 0.0002162955 0.6208 AML other m 2021-10-24T11:01:24.86
IV.MMGO.HNE. ML:2.3 0.00019152825 0.608 AML other m 2021-10-24T11:01:27.14
IV.MMGO.HHE. ML:2.3 0.00017549999999999998 0.6 AML other m 2021-10-24T11:01:27.15
IV.MMGO.HNN. ML:2.2 0.0001478595 0.5312 AML other m 2021-10-24T11:01:27.52
IV.MMGO.HHN. ML:2.2 0.00013556286000000002 0.5248 AML other m 2021-10-24T11:01:27.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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