Earthquake with magnitude of ML 1.1 on date 03-08-2019 and time 10:01:21 (Italy) in region Costa Catanese (Catania)

A magnitude ML 1.1 earthquake occured in region: Costa Catanese (Catania), on

  • 03-08-2019 08:01:21 (UTC)
  • 03-08-2019 10:01:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.3620, 15.2870 at 24 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Augusta SR 16 36305 36305

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Catania (314555 inhabitants)
30 Km SE of Acireale (52622 inhabitants)
34 Km N of Siracusa (122291 inhabitants)
69 Km NE of Ragusa (73313 inhabitants)
73 Km NE of Modica (54633 inhabitants)
81 Km NE of Vittoria (63339 inhabitants)
89 Km SW of Reggio di Calabria (183035 inhabitants)
96 Km S of Messina (238439 inhabitants)
97 Km E 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
Reviewed
Rev100
ML 1.1 2019-08-03
08:01:21
37.3623 15.2867 24 2019-08-03
08:12:30
Sala Sismica INGV-Roma 71132271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-03 08:01:21 ± 0.11
Latitude 37.3623 ± 0.0036
Longitude 15.2867 ± 0.0045
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71132271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 340
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) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 312
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33005
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 3
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 71132271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-03 08:12:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHZ. 2019-08-03T08:01:40.16 3.0 negative manual P 0 0
IV.HLNI.HHZ. 2019-08-03T08:01:34.79 0.3 undecidable manual S 268 36.6411 116 0.05 72
IV.SSY.HHZ. 2019-08-03T08:01:33.07 0.3 undecidable manual S 220 29.4483 122 -0.01 74
IV.HAGA.HHZ. 2019-08-03T08:01:30.08 0.3 undecidable manual S 234 14.4744 145 -0.04 75
IV.HLNI.HHZ. 2019-08-03T08:01:29.18 0.1 negative manual P 268 36.6411 116 -0.06 96
IV.SSY.HHZ. 2019-08-03T08:01:28.29 0.1 undecidable manual P 220 29.4483 122 0.01 98
IV.HAGA.HHZ. 2019-08-03T08:01:26.62 0.1 undecidable manual P 234 14.4744 145 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHE. ML:1.4 0.0001385 0.3 AML other m 2019-08-03T08:01:30.40
IV.HAGA.HHN. ML:1.2 0.00009455 0.08 AML other m 2019-08-03T08:01:30.42
IV.HLNI.HHE. ML:1.0 0.000030860980999999996 0.1024 AML other m 2019-08-03T08:01:35.29
IV.HLNI.HHN. ML:0.9 0.000022680095 0.096 AML other m 2019-08-03T08:01:35.01
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