Earthquake with magnitude of ML 2.1 on date 21-11-2020 and time 21:34:02 (UTC) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude ML 2.1 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 21-11-2020 21:34:02 (UTC)
  • 21-11-2020 22:34:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1560, 13.7670 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Termini Imerese PA 20 26263 26263

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Bagheria (55387 inhabitants)
36 Km E of Palermo (674435 inhabitants)
78 Km NW of Caltanissetta (63360 inhabitants)
95 Km N of Agrigento (59770 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 2.1 2020-11-21
21:34:02
38.1562 13.7672 8 2021-02-26
14:56:15
Bollettino Sismico Italiano INGV 86354341
Reviewed
Rev100
ML 2.1 2020-11-21
21:34:02
38.1628 13.7728 6 2020-11-21
21:54:02
Sala Sismica INGV-Roma 84922361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-21 21:34:02 ± 0.15
Latitude 38.1562 ± 0.0072
Longitude 13.7672 ± 0.0057
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86354341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 769
Semi-minor axis of confidence ellipse (meter) 428
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.19515
Epicentral distance of station farthest from the epicenter (degree) 1.16822
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 84922361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-21 21:54:02

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 86354341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-18 15:38:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AIO.HHZ. 2020-11-21T21:34:25.09 0.1 undecidable manual P 99 129.6702 50 0.34 76
IV.IACL.HHE. 2020-11-21T21:34:24.10 0.3 undecidable manual S 51 66.0894 50 0.39 64
IV.MILZ.HHZ. 2020-11-21T21:34:24.78 0.6 undecidable manual P 84 128.2716 50 0.25 39
IV.RESU.HHZ. 2020-11-21T21:34:22.84 0.3 undecidable manual S 156 61.8936 50 0.24 67
IV.PETRA.HHZ. 2020-11-21T21:34:19.04 0.1 undecidable manual S 140 46.9197 50 0.43 88
IV.MUCR.HHZ. 2020-11-21T21:34:19.46 0.1 undecidable manual P 97 97.4247 50 -0.32 82
IV.CORL.HHZ. 2020-11-21T21:34:19.16 0.3 undecidable manual S 234 49.8168 50 -0.22 68
IV.GALF.HHZ. 2020-11-21T21:34:18.77 0.1 undecidable manual P 125 85.6476 50 0.81 71
MN.CLTB.HHN. 2020-11-21T21:34:18.02 1.0 undecidable manual P 217 80.2641 50 0.88 17
IV.MBFT.HHZ. 2020-11-21T21:34:16.34 0.3 undecidable manual P 252 74.7696 50 0.05 68
IV.MPG.HHZ. 2020-11-21T21:34:15.04 0.3 undecidable manual S 271 35.5422 50 -0.52 66
IV.MSFR.HHZ. 2020-11-21T21:34:15.75 0.6 undecidable manual P 100 73.2711 50 -0.31 43
IV.IACL.HHE. 2020-11-21T21:34:15.27 0.3 undecidable manual P 51 66.0894 50 0.32 65
IV.CSLB.HHZ. 2020-11-21T21:34:15.12 0.3 undecidable manual S 134 35.1426 50 -0.33 69
IV.PLLN.EHZ. 2020-11-21T21:34:15.91 0.1 undecidable manual S 119 37.5291 50 -0.18 94
IV.MCT.HHN. 2020-11-21T21:34:15.39 1.0 undecidable manual P 193 61.1943 50 1.18 16
IV.RESU.HHZ. 2020-11-21T21:34:14.96 0.1 undecidable manual P 156 61.8936 50 0.65 79
IV.GIB.HHZ. 2020-11-21T21:34:13.20 0.1 undecidable manual S 129 29.1486 106 -0.29 93
IV.SCIAR.HNZ. 2020-11-21T21:34:12.00 0.1 undecidable manual S 184 23.9538 109 0.23 95
IV.CORL.HHZ. 2020-11-21T21:34:12.23 0.1 undecidable manual P 234 49.8168 50 -0.22 91
IV.PETRA.HHZ. 2020-11-21T21:34:11.76 0.1 undecidable manual P 140 46.9197 50 -0.25 91
IV.SOLUN.HHZ. 2020-11-21T21:34:11.01 0.1 undecidable manual S 251 21.6672 111 -0.02 100
IV.MPG.HHZ. 2020-11-21T21:34:10.29 0.1 undecidable manual P 271 35.5422 50 0.05 97
IV.PLLN.EHZ. 2020-11-21T21:34:09.94 0.1 undecidable manual P 119 37.5291 50 -0.61 84
IV.CSLB.HHZ. 2020-11-21T21:34:09.49 0.1 undecidable manual P 134 35.1426 50 -0.69 82
IV.SCIAR.HNZ. 2020-11-21T21:34:08.16 0.1 undecidable manual P 184 23.9538 109 0.1 98
IV.GIB.HHZ. 2020-11-21T21:34:08.78 0.1 undecidable manual P 129 29.1486 106 -0.27 94
IV.SOLUN.HHZ. 2020-11-21T21:34:07.80 0.1 undecidable manual P 251 21.6672 111 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOLUN.HHE. ML:2.0 0.0007354149 0.2176 AML other m 2020-11-21T21:34:11.20
IV.SOLUN.HHN. ML:2.1 0.0009051861 0.4608 AML other m 2020-11-21T21:34:11.43
IV.SCIAR.HNN. ML:2.0 0.0006717120999999999 0.1792 AML other m 2020-11-21T21:34:12.61
IV.SCIAR.HHN. ML:2.0 0.0007020086500000001 0.1792 AML other m 2020-11-21T21:34:12.61
IV.GIB.HHN. ML:2.1 0.0006482761500000001 0.4096 AML other m 2020-11-21T21:34:13.44
IV.SCIAR.HNE. ML:2.2 0.0009167447 0.1792 AML other m 2020-11-21T21:34:13.43
IV.SCIAR.HHE. ML:2.2 0.0010276551999999998 0.1536 AML other m 2020-11-21T21:34:13.44
IV.GIB.HHE. ML:2.0 0.0005617921 0.7552 AML other m 2020-11-21T21:34:13.93
IV.CSLB.HHE. ML:1.8 0.0002612623 0.2688 AML other m 2020-11-21T21:34:16.00
IV.CSLB.HHN. ML:2.0 0.00046034775 0.2048 AML other m 2020-11-21T21:34:16.28
IV.PLLN.EHN. ML:2.4 0.00088473025 0.3584 AML other m 2020-11-21T21:34:16.20
IV.PLLN.EHE. ML:2.1 0.00047018749999999996 1.344 AML other m 2020-11-21T21:34:16.26
IV.MPG.HHN. ML:1.7 0.00021633557500000001 0.32 AML other m 2020-11-21T21:34:17.98
IV.MPG.HHE. ML:1.6 0.000166138015 0.32 AML other m 2020-11-21T21:34:19.05
IV.PETRA.HHE. ML:2.1 0.0003324995 0.1696 AML other m 2020-11-21T21:34:20.19
IV.CORL.HHN. ML:2.3 0.0005014697500000001 0.4384 AML other m 2020-11-21T21:34:20.13
IV.PETRA.HHN. ML:2.5 0.0009871847000000001 0.4608 AML other m 2020-11-21T21:34:20.92
IV.CORL.HHE. ML:2.4 0.0006042273499999999 0.2432 AML other m 2020-11-21T21:34:22.14
IV.RESU.HHE. ML:2.1 0.00022328355 1.4592 AML other m 2020-11-21T21:34:25.51
IV.GALF.HNE. ML:2.0 0.000138398 1.0656 AML other m 2020-11-21T21:34:26.57
IV.MBFT.HNE. ML:1.8 0.000082697375 0.2208 AML other m 2020-11-21T21:34:27.09
IV.RESU.HHN. ML:2.2 0.0003082025 0.6016 AML other m 2020-11-21T21:34:28.84
IV.MUCR.HHE. ML:1.8 0.00006403321500000001 0.5024 AML other m 2020-11-21T21:34:32.17
IV.MUCR.HHN. ML:2.1 0.00013339357 0.4352 AML other m 2020-11-21T21:34:34.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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