Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 18-07-2020 and time 20:08:49 (UTC) in region 3 km W Capizzi (ME)

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

  • 18-07-2020 20:08:49 (UTC)
  • 18-07-2020 22:08:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8490, 14.4480 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Capizzi ME 3 3176 3176
Cerami EN 7 2006 5182
Mistretta ME 12 4791 9973
Nicosia EN 12 13899 23872
Sperlinga EN 12 805 24677
Castel di Lucio ME 13 1294 25971
Troina EN 15 9373 35344
Reitano ME 17 806 36150
Gagliano Castelferrato EN 17 3593 39743
Pettineo ME 19 1350 41093
Motta d'Affermo ME 20 739 41832
Caronia ME 20 3364 45196

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km NE of Caltanissetta (63360 inhabitants)
68 Km NW of Catania (314555 inhabitants)
68 Km W of Acireale (52622 inhabitants)
86 Km E of Bagheria (55387 inhabitants)
89 Km N of Gela (75827 inhabitants)
97 Km NE of Agrigento (59770 inhabitants)
100 Km N of Vittoria (63339 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 2020-07-18
20:08:49		 37.8492 14.4482 10 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83102981
Reviewed
Rev100 		ML 1.7 2020-07-18
20:08:49		 37.8617 14.4708 8 2020-07-18
20:18:09		 Sala Sismica INGV-Roma 81141691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-18 20:08:49 ± 0.25
Latitude 37.8492 ± 0.0144
Longitude 14.4482 ± 0.0171
Depth (km) 10 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83102981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1614
Semi-minor axis of confidence ellipse (meter) 898
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 1610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.55
Epicentral distance of station closest to the epicenter (degree) 0.16727
Epicentral distance of station farthest from the epicenter (degree) 0.38761
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:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 83102981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-21 13:08:27

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 81141691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-18 20:18:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLLN.EHZ. 2020-07-18T20:09:01.10 0.6 undecidable manual S 301 31.0467 50 0.49 45
IV.CAGR.HHZ. 2020-07-18T20:08:59.52 1.0 undecidable manual S 170 25.6521 110 0.51 22
IV.RESU.HHZ. 2020-07-18T20:08:58.80 0.3 undecidable manual P 237 41.0256 50 1.34 60
IV.EPZF.HHZ. 2020-07-18T20:08:57.79 0.3 undecidable manual P 94 35.9418 50 1.12 59
IV.GIB.HHE. 2020-07-18T20:08:57.09 0.6 undecidable manual P 293 40.1265 50 -0.22 43
IV.MUCR.HHE. 2020-07-18T20:08:57.54 0.3 undecidable manual P 60 43.0236 50 -0.22 63
IV.CSLB.HHZ. 2020-07-18T20:08:56.19 0.3 undecidable manual P 286 35.5422 50 -0.43 65
IV.GALF.HHZ. 2020-07-18T20:08:56.22 0.3 undecidable manual S 146 18.5703 117 -0.54 74
IV.PLLN.EHZ. 2020-07-18T20:08:56.05 0.3 undecidable manual P 301 31.0467 50 0.12 75
IV.CAGR.HHZ. 2020-07-18T20:08:55.15 0.1 undecidable manual P 170 25.6521 110 0.15 100
IV.MSFR.HHZ. 2020-07-18T20:08:54.75 0.1 undecidable manual P 31 24.0537 112 0.05 99
IV.GALF.HHZ. 2020-07-18T20:08:53.22 0.1 undecidable manual P 146 18.5703 117 -0.48 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:2.4 0.00228 0.34 AML other m 2020-07-18T20:08:57.22
IV.GALF.HHN. ML:2.5 0.0025250000000000003 0.66 AML other m 2020-07-18T20:08:57.58
IV.GALF.HNN. ML:1.6 0.000357 1.18 AML other m 2020-07-18T20:08:58.90
IV.GALF.HNE. ML:1.5 0.0002405 1.66 AML other m 2020-07-18T20:08:59.90
IV.CAGR.HHN. ML:2.2 0.000855 0.48 AML other m 2020-07-18T20:09:02.93
IV.CAGR.HHE. ML:1.9 0.0004485 1.52 AML other m 2020-07-18T20:09:02.22
IV.CSLB.HHN. ML:0.9 0.0000333 0.44 AML other m 2020-07-18T20:09:03.43
IV.PLLN.EHN. ML:1.6 0.000183 1.22 AML other m 2020-07-18T20:09:04.03
IV.CSLB.HHE. ML:0.8 0.00002685 0.88 AML other m 2020-07-18T20:09:04.32
IV.PLLN.EHE. ML:1.4 0.000123 0.82 AML other m 2020-07-18T20:09:07.11
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