Earthquake with magnitude of ML 1.9 on date 18-02-2020 and time 00:35:24 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 18-02-2020 00:35:24 (UTC)
  • 18-02-2020 01:35:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4860, 12.8070 at 31 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km NE of Trapani (68759 inhabitants)
64 Km NW of Palermo (674435 inhabitants)
76 Km NW of Bagheria (55387 inhabitants)
83 Km NE of Marsala (83194 inhabitants)
95 Km N of Mazara del Vallo (51718 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 1.9 2020-02-18
00:35:24
38.4862 12.8067 31 2020-07-18
21:08:41
Bollettino Sismico Italiano INGV 80293841
Reviewed
Rev100
ML 1.8 2020-02-18
00:35:25
38.474 12.844 7 2020-02-18
00:50:39
Sala Sismica INGV-Roma 76612911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-18 00:35:24 ± 0.53
Latitude 38.4862 ± 0.0171
Longitude 12.8067 ± 0.0172
Depth (km) 31 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80293841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1578
Semi-minor axis of confidence ellipse (meter) 1243
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 1580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.15923
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 76612911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-18 00:50:39

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 80293841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-18 18:27:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XK.ALB1.HHZ. 2020-02-18T00:36:44.77 3.0 undecidable manual Sg 0.05 0
IX.MNT3.HHZ.02 2020-02-18T00:36:10.43 3.0 undecidable manual Pn -0.07 0
IV.CORL.HHE. 2020-02-18T00:35:49.32 0.6 undecidable manual S 146 78.6657 107 0.8 23
IV.SOLUN.HHE. 2020-02-18T00:35:48.31 0.3 undecidable manual S 124 76.8675 107 0.25 46
IV.ALJA.HHE. 2020-02-18T00:35:45.18 0.3 undecidable manual P 134 116.2947 54 1.6 0
IV.PLLN.EHN. 2020-02-18T00:35:45.44 0.6 undecidable manual P 115 128.6712 54 0.31 0
IV.MBFT.HHZ. 2020-02-18T00:35:44.66 0.3 undecidable manual S 168 61.2942 112 0.54 67
IV.CSLB.HHZ. 2020-02-18T00:35:44.85 0.6 undecidable manual P 119 124.8861 54 0.2 0
IV.MPG.HHE. 2020-02-18T00:35:43.23 0.6 undecidable manual S 127 60.0954 112 -0.61 46
IV.ERC.EHN. 2020-02-18T00:35:42.16 0.6 undecidable manual S 201 53.3022 115 -0.01 51
IV.CAVT.HHZ. 2020-02-18T00:35:41.32 0.3 undecidable manual P 183 89.6436 104 1.41 8
IV.USI.HHZ. 2020-02-18T00:35:39.34 0.6 undecidable manual S 53 40.626 122 0.15 50
IV.CORL.HHE. 2020-02-18T00:35:38.82 0.6 undecidable manual P 146 78.6657 107 0.54 26
IV.CRJA.HHZ. 2020-02-18T00:35:38.58 0.3 undecidable manual P 167 77.8665 107 0.42 43
IV.LEVAN.EHN. 2020-02-18T00:35:37.60 0.3 undecidable manual P 216 67.9764 109 0.88 56
IV.SOLUN.HHE. 2020-02-18T00:35:37.71 0.3 undecidable manual P 124 76.8675 107 -0.3 46
IV.MBFT.HHZ. 2020-02-18T00:35:35.33 0.3 undecidable manual P 168 61.2942 112 -0.41 72
IV.MPG.HHE. 2020-02-18T00:35:34.06 0.3 undecidable manual P 127 60.0954 112 -1.52 43
IV.ERC.EHN. 2020-02-18T00:35:33.47 0.3 undecidable manual P 201 53.3022 115 -1.14 53
IV.USI.HHZ. 2020-02-18T00:35:33.14 0.1 undecidable manual P 53 40.626 122 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:2.0 0.00027800000000000004 1.14 AML other m 2020-02-18T00:35:41.97
IV.USI.HHN. ML:2.5 0.000944 0.2 AML other m 2020-02-18T00:35:42.07
IV.MBFT.HHE. ML:1.8 0.00011335 0.3 AML other m 2020-02-18T00:35:45.18
IV.MBFT.HHN. ML:1.8 0.0001078 0.3 AML other m 2020-02-18T00:35:45.51
IV.CRJA.HHE. ML:1.8 0.00007555000000000001 0.78 AML other m 2020-02-18T00:35:51.53
IV.CRJA.HHN. ML:1.8 0.00008985000000000002 0.58 AML other m 2020-02-18T00:35:51.90
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