Earthquake with magnitude of ML 1.8 on date 04-08-2020 and time 21:14:28 (UTC) in region 6 km W San Teodoro (ME)

A magnitude ML 1.8 earthquake occured in region: 6 km W San Teodoro (ME), on

  • 04-08-2020 21:14:28 (UTC)
  • 04-08-2020 23:14:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8440, 14.6370 at 9 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 18 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 1.8 2020-08-04
21:14:28
37.8437 14.6367 9 2020-11-19
12:36:57
Bollettino Sismico Italiano INGV 81849061
Reviewed
Rev100
ML 1.8 2020-08-04
21:14:28
37.8437 14.6342 9 2020-08-04
21:27:19
Sala Sismica INGV-Roma 81657141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-04 21:14:28 ± 0.13
Latitude 37.8437 ± 0.0072
Longitude 14.6367 ± 0.0114
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81849061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 849
Semi-minor axis of confidence ellipse (meter) 531
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
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 21
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.76802
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 21
Type of magnitude ML
Reference to an origin 81849061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-10 15:16:22

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 21
Type of magnitude ML
Reference to an origin 81657141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-04 21:27:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-08-04T21:14:54.40 0.3 undecidable manual S 153 85.248 50 0.72 55
IV.HLNI.HHZ. 2020-08-04T21:14:46.80 0.3 undecidable manual S 159 58.6968 50 0.21 68
IV.NOV.HHZ. 2020-08-04T21:14:44.50 0.3 undecidable manual S 65 48.3183 50 0.7 60
IV.SSY.HHZ. 2020-08-04T21:14:42.72 0.3 undecidable manual P 153 85.248 50 -0.14 65
IV.MPNC.HHZ. 2020-08-04T21:14:40.69 0.3 undecidable manual P 62 71.0733 50 0.02 69
IV.ENIC.HHZ. 2020-08-04T21:14:40.85 3.0 undecidable manual P 0
IV.MUCR.HHZ. 2020-08-04T21:14:38.80 0.3 undecidable manual S 43 30.3474 50 -0.21 71
IV.HLNI.HHZ. 2020-08-04T21:14:38.15 0.3 undecidable manual P 159 58.6968 50 -0.61 61
IV.CSLB.HHZ. 2020-08-04T21:14:37.62 0.3 undecidable manual P 282 51.7038 50 -0.07 71
IV.PLLN.EHZ. 2020-08-04T21:14:37.60 0.3 undecidable manual P 291 46.2204 50 0.76 59
IV.NOV.HHZ. 2020-08-04T21:14:36.42 0.1 undecidable manual P 65 48.3183 50 -0.73 79
IV.MSFR.HHZ. 2020-08-04T21:14:36.80 0.3 undecidable manual S 349 21.4674 113 0.61 65
IV.EPZF.HHZ. 2020-08-04T21:14:36.30 0.3 undecidable manual S 96 19.4694 116 0.75 62
IV.ESML.HHE. 2020-08-04T21:14:35.11 0.3 undecidable manual P 140 32.8449 50 0.33 69
IV.GALF.HHZ. 2020-08-04T21:14:34.40 0.3 undecidable manual S 203 15.9729 120 -0.09 75
IV.CAGR.HHE. 2020-08-04T21:14:34.30 0.3 undecidable manual P 206 27.3504 109 0.43 68
IV.EMSG.HHZ. 2020-08-04T21:14:33.56 0.3 undecidable manual P 95 27.5502 109 -0.34 70
IV.MUCR.HHZ. 2020-08-04T21:14:33.68 0.1 undecidable manual P 43 30.3474 50 -0.71 82
IV.MSFR.HHZ. 2020-08-04T21:14:32.72 0.1 undecidable manual P 349 21.4674 113 -0.04 100
IV.EPZF.HHZ. 2020-08-04T21:14:32.24 0.1 undecidable manual P 96 19.4694 116 -0.15 98
IV.GALF.HHZ. 2020-08-04T21:14:31.26 0.1 positive manual P 203 15.9729 120 -0.52 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:0.0 0.002214575 0.3456 AML other m 2020-08-04T21:14:36.71
IV.GALF.HNN. ML:0.0 0.00031280865000000004 0.3328 AML other m 2020-08-04T21:14:37.91
IV.GALF.HNE. ML:0.0 0.00027463565 1.4752 AML other m 2020-08-04T21:14:37.93
IV.GALF.HHE. ML:0.0 0.0023614285 0.3456 AML other m 2020-08-04T21:14:37.93
IV.MSFR.HHE. ML:0.0 0.00010714969999999998 0.5248 AML other m 2020-08-04T21:14:38.68
IV.EPZF.HHE. ML:0.0 0.0006473681499999999 0.3968 AML other m 2020-08-04T21:14:39.58
IV.EPZF.HHN. ML:0.0 0.0009293302999999999 0.3712 AML other m 2020-08-04T21:14:39.42
IV.MSFR.HHN. ML:0.0 0.0001232005 0.512 AML other m 2020-08-04T21:14:39.37
IV.MUCR.HHE. ML:0.0 0.00022749065 0.3456 AML other m 2020-08-04T21:14:39.65
IV.MUCR.HHN. ML:0.0 0.00028339135 0.4096 AML other m 2020-08-04T21:14:40.77
IV.EMSG.HHE. ML:0.0 0.00097915 0.3584 AML other m 2020-08-04T21:14:44.29
IV.EMSG.HHN. ML:0.0 0.0006919126 0.3968 AML other m 2020-08-04T21:14:45.66
IV.NOV.HHN. ML:0.0 0.0002041288 1.6416 AML other m 2020-08-04T21:14:46.10
IV.HLNI.HHE. ML:0.0 0.000038737195 0.4224 AML other m 2020-08-04T21:14:49.48
IV.HLNI.HHN. ML:0.0 0.000032195170000000004 0.3968 AML other m 2020-08-04T21:14:50.43
IV.NOV.HHE. ML:0.0 0.0002603722 4.0448 AML other m 2020-08-04T21:14:48.45
IV.SSY.HHE. ML:0.0 0.00015414318 1.0656 AML other m 2020-08-04T21:14:51.60
IV.CSLB.HHN. ML:1.4 0.000057795565000000004 1.0912 AML other m 2020-08-04T21:14:53.71
IV.MPNC.HHN. ML:2.0 0.00014722839999999998 0.6144 AML other m 2020-08-04T21:14:56.38
IV.CSLB.HHE. ML:1.2 0.00003544323 0.9632 AML other m 2020-08-04T21:14:57.63
IV.MPNC.HHE. ML:2.0 0.00016314625 0.6912 AML other m 2020-08-04T21:14:57.37
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