Earthquake with magnitude of ML 1.7 on date 21-11-2020 and time 10:34:04 (Italy) in region 3 km W Mistretta (ME)

A magnitude ML 1.7 earthquake occured in region: 3 km W Mistretta (ME), on

  • 21-11-2020 09:34:04 (UTC)
  • 21-11-2020 10:34:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9410, 14.3360 at 28 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
Mistretta ME 3 4791 4791
Reitano ME 4 806 5597
Pettineo ME 5 1350 6947
Motta d'Affermo ME 5 739 7686
Castel di Lucio ME 6 1294 8980
Santo Stefano di Camastra ME 9 4694 13674
Tusa ME 10 2925 16599
San Mauro Castelverde PA 13 1701 18300
Caronia ME 13 3364 21664
Capizzi ME 16 3176 24840
Pollina PA 18 2974 27814
Geraci Siculo PA 18 1945 29759
Gangi PA 20 6811 36570
Sperlinga EN 20 805 37375

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NE of Caltanissetta (63360 inhabitants)
74 Km E of Bagheria (55387 inhabitants)
82 Km W of Acireale (52622 inhabitants)
82 Km NW of Catania (314555 inhabitants)
87 Km E of Palermo (674435 inhabitants)
96 Km NE of Agrigento (59770 inhabitants)
98 Km N of Gela (75827 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 1.7 2020-11-21
09:34:04
37.9413 14.3363 28 2021-02-26
14:56:15
Bollettino Sismico Italiano INGV 86302301
Reviewed
Rev100
ML 1.9 2020-11-21
09:34:04
37.9535 14.3372 26 2020-11-21
09:39:38
Sala Sismica INGV-Roma 84906101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-21 09:34:04 ± 0.26
Latitude 37.9413 ± 0.0099
Longitude 14.3363 ± 0.0080
Depth (km) 28 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86302301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 865
Semi-minor axis of confidence ellipse (meter) 817
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
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) 136
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.16098
Epicentral distance of station farthest from the epicenter (degree) 0.46225
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 84906101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-21 09:39:38

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 86302301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-16 12:21:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2020-11-21T09:34:20.94 0.6 undecidable manual S 76 48.3183 114 0 49
IV.GALF.HHZ. 2020-11-21T09:34:17.41 0.6 undecidable manual S 142 32.5452 125 0.15 49
IV.GIB.HHZ. 2020-11-21T09:34:16.81 0.6 undecidable manual S 281 27.6501 130 0.59 45
IV.MSFR.HHZ. 2020-11-21T09:34:15.68 0.6 undecidable manual S 65 24.5532 134 0.08 51
IV.CSLB.HHZ. 2020-11-21T09:34:15.30 0.6 undecidable manual S 269 24.3534 134 -0.26 49
IV.PLLN.EHZ. 2020-11-21T09:34:14.54 0.6 undecidable manual S 289 17.871 143 0.13 51
IV.PETRA.HHZ. 2020-11-21T09:34:14.93 0.3 undecidable manual S 238 22.755 136 -0.33 73
IV.SCIAR.HHZ. 2020-11-21T09:34:14.97 1.0 undecidable manual P 270 51.3153 112 0.48 22
IV.MUCR.HHZ. 2020-11-21T09:34:13.95 0.1 negative manual P 76 48.3183 114 -0.11 97
IV.CAGR.HHE. 2020-11-21T09:34:13.40 1.0 undecidable manual P 158 38.2284 120 0.73 21
IV.GALF.HHZ. 2020-11-21T09:34:12.09 0.1 undecidable manual P 142 32.5452 125 0.16 99
IV.GIB.HHZ. 2020-11-21T09:34:11.80 1.0 undecidable manual P 281 27.6501 130 0.47 23
IV.CSLB.HHZ. 2020-11-21T09:34:10.73 0.6 undecidable manual P 269 24.3534 134 -0.22 49
IV.PLLN.EHZ. 2020-11-21T09:34:10.43 0.6 undecidable manual P 289 17.871 143 0.15 51
IV.PETRA.HHZ. 2020-11-21T09:34:10.61 0.1 undecidable manual P 238 22.755 136 -0.17 100
IV.MSFR.HHZ. 2020-11-21T09:34:10.66 0.1 undecidable manual P 65 24.5532 134 -0.31 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLLN.EHN. ML:1.9 0.00034750000000000004 0.88 AML other m 2020-11-21T09:34:14.45
IV.PLLN.EHE. ML:1.8 0.0003115 0.72 AML other m 2020-11-21T09:34:15.38
IV.PETRA.HHN. ML:1.7 0.0002185 0.76 AML other m 2020-11-21T09:34:16.21
IV.PETRA.HHE. ML:2.0 0.000377 1.28 AML other m 2020-11-21T09:34:16.11
IV.GALF.HHE. ML:0.0 0.000481 1.36 AML other m 2020-11-21T09:34:18.22
IV.GALF.HHN. ML:0.0 0.000479 0.3 AML other m 2020-11-21T09:34:18.78
IV.MSFR.HHN. ML:1.7 0.00018180525 1.536 AML other m 2020-11-21T09:34:18.90
IV.MSFR.HHE. ML:1.5 0.000126047003 0.6592 AML other m 2020-11-21T09:34:16.63
IV.CSLB.HHN. ML:1.3 0.000079329285 0.2624 AML other m 2020-11-21T09:34:16.06
IV.CSLB.HHE. ML:1.3 0.000075897845 0.3392 AML other m 2020-11-21T09:34:15.81
IV.MUCR.HHN. ML:1.6 0.00010141145 0.9344 AML other m 2020-11-21T09:34:25.57
IV.MUCR.HHE. ML:1.7 0.00010651145 0.5632 AML other m 2020-11-21T09:34:23.38
IV.SCIAR.HHE. ML:1.5 0.0000631096 0.3008 AML other m 2020-11-21T09:34:25.62
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download