Earthquake with magnitude of ML 1.7 on date 04-08-2020 and time 14:10:30 (UTC) in region 6 km W San Teodoro (ME)

A magnitude ML 1.7 earthquake occured in region: 6 km W San Teodoro (ME), on

  • 04-08-2020 14:10:30 (UTC)
  • 04-08-2020 16:10:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8440, 14.6340 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Teodoro ME 6 1403 1403
CesarĂ² ME 7 2439 3842
Troina EN 7 9373 13215
Cerami EN 12 2006 15221
Capizzi ME 14 3176 18397
Maniace CT 15 3765 22162
Gagliano Castelferrato EN 17 3593 25755
Bronte CT 19 19172 44927
San Fratello ME 19 3707 48634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Acireale (52622 inhabitants)
55 Km NW of Catania (314555 inhabitants)
64 Km NE of Caltanissetta (63360 inhabitants)
90 Km W of Messina (238439 inhabitants)
93 Km NE of Gela (75827 inhabitants)
93 Km W of Reggio di Calabria (183035 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 2020-08-04
14:10:30
37.8438 14.6343 10 2020-11-19
12:36:57
Bollettino Sismico Italiano INGV 81847281
Reviewed
Rev100
ML 1.8 2020-08-04
14:10:30
37.8347 14.6265 10 2020-08-04
14:25:55
Sala Sismica INGV-Roma 81643791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-04 14:10:30 ± 0.15
Latitude 37.8438 ± 0.0090
Longitude 14.6343 ± 0.0125
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81847281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1067
Semi-minor axis of confidence ellipse (meter) 520
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76892
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 81847281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-10 14:34:51

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 81643791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-04 14:25:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2020-08-04T14:10:57.33 3.0 undecidable manual S 0.01 0
IV.SSY.HHE. 2020-08-04T14:10:45.01 0.6 undecidable manual P 153 85.3479 50 -0.35 42
IV.HLNI.HHE. 2020-08-04T14:10:41.07 0.3 undecidable manual P 159 58.7967 50 -0.19 69
IV.MUCR.HHZ. 2020-08-04T14:10:41.23 0.3 undecidable manual S 43 30.4473 50 -0.2 73
IV.AIO.HHE. 2020-08-04T14:10:40.12 0.3 undecidable manual P 75 54.3012 50 -0.44 66
IV.CSLB.HHE. 2020-08-04T14:10:40.19 0.6 undecidable manual P 282 51.5151 50 0.05 48
IV.PLLN.EHZ. 2020-08-04T14:10:40.16 0.3 undecidable manual P 291 46.0206 50 0.86 57
IV.EPZF.HHZ. 2020-08-04T14:10:39.22 0.3 undecidable manual S 96 19.6692 118 0.81 61
IV.MSFR.HHZ. 2020-08-04T14:10:39.28 0.6 undecidable manual S 350 21.3675 116 0.32 48
IV.ESML.HHZ. 2020-08-04T14:10:38.28 0.3 undecidable manual P 139 33.0447 50 0.99 55
IV.GALF.HHZ. 2020-08-04T14:10:37.05 0.6 undecidable manual S 202 15.9729 123 -0.25 49
IV.MUCR.HHZ. 2020-08-04T14:10:36.43 0.1 undecidable manual P 43 30.4473 50 -0.47 91
IV.CAGR.HHE. 2020-08-04T14:10:36.76 0.3 undecidable manual P 206 27.2505 50 0.35 71
IV.EMSG.HHZ. 2020-08-04T14:10:36.51 0.3 undecidable manual P 95 27.75 50 0.03 75
IV.MSFR.HHZ. 2020-08-04T14:10:35.32 0.3 undecidable manual P 350 21.3675 116 -0.15 75
IV.EPZF.HHZ. 2020-08-04T14:10:35.02 0.1 undecidable manual P 96 19.6692 118 -0.13 100
IV.GALF.HHZ. 2020-08-04T14:10:34.02 0.1 positive manual P 202 15.9729 123 -0.49 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNN. ML:1.3 0.00019427705000000001 0.3392 AML other m 2020-08-04T14:10:41.87
IV.GALF.HHN. ML:2.2 0.001302891 0.2624 AML other m 2020-08-04T14:10:39.43
IV.GALF.HNE. ML:1.4 0.00020507989999999997 0.4352 AML other m 2020-08-04T14:10:40.92
IV.GALF.HHE. ML:2.2 0.001534314 0.6016 AML other m 2020-08-04T14:10:40.69
IV.EPZF.HHN. ML:1.8 0.0005061534 0.2752 AML other m 2020-08-04T14:10:41.03
IV.EPZF.HHE. ML:1.8 0.00047605114999999996 0.6016 AML other m 2020-08-04T14:10:48.03
IV.MSFR.HHN. ML:1.1 0.000082138455 0.7552 AML other m 2020-08-04T14:10:46.71
IV.MSFR.HHE. ML:1.0 0.000068062175 0.544 AML other m 2020-08-04T14:10:45.10
IV.MUCR.HHE. ML:1.7 0.00022231655 0.416 AML other m 2020-08-04T14:10:43.38
IV.MUCR.HHN. ML:1.7 0.00025023030000000004 0.48 AML other m 2020-08-04T14:10:43.53
IV.EMSG.HHN. ML:2.1 0.0006595287 0.6208 AML other m 2020-08-04T14:10:48.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download