Earthquake with magnitude of ML 2.3 on date 19-08-2020 and time 09:28:18 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 19-08-2020 09:28:18 (UTC)
  • 19-08-2020 11:28:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2360, 11.7450 at 28 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
72 Km W of Trapani (68759 inhabitants)
78 Km NW of Marsala (83194 inhabitants)
99 Km NW 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 2.3 2020-08-19
09:28:18
38.2365 11.7448 28 2020-11-19
12:37:00
Bollettino Sismico Italiano INGV 82705731
Reviewed
Rev100
ML 2.4 2020-08-19
09:28:17
38.3462 11.6642 11 2020-08-19
09:47:10
Sala Sismica INGV-Roma 82141221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-19 09:28:18 ± 0.31
Latitude 38.2365 ± 0.0153
Longitude 11.7448 ± 0.0183
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82705731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1602
Semi-minor axis of confidence ellipse (meter) 1578
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 144
Circular confidence region, given by single value of horizontal uncertainty (meter) 1600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 300
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.30406
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 82141221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-19 09:47:10

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 82705731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-07 08:01:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2020-08-19T09:30:11.05 3.0 undecidable manual Sg 3.37 0
IV.RNI2.HHZ. 2020-08-19T09:30:08.67 3.0 undecidable manual Sn -4.01 0
IV.CET2.HHZ. 2020-08-19T09:30:02.12 3.0 undecidable manual Sg 5.78 0
IV.PSB1.HHZ. 2020-08-19T09:30:00.82 3.0 undecidable manual Sn -7.04 0
XK.GIZZ.HHZ. 2020-08-19T09:29:58.59 3.0 undecidable manual Sg 2.19 0
IV.APEC.HHZ. 2020-08-19T09:29:42.00 3.0 undecidable manual Pn -5.52 0
IV.COR1.EHZ. 2020-08-19T09:29:41.77 3.0 negative manual Pn -7.08 0
IV.FDMO.HHZ. 2020-08-19T09:29:37.93 3.0 undecidable manual Pn -2.9 0
IV.FIAM.HHZ. 2020-08-19T09:29:35.70 3.0 positive manual Pg 5.27 0
IV.LADO.EHZ. 2020-08-19T09:29:25.46 3.0 positive manual Pn -0.19 0
IV.SCIAC.HHE. 2020-08-19T09:28:58.33 0.6 undecidable manual S 123 143.1456 54 0.01 55
IV.USI.HHZ. 2020-08-19T09:28:56.48 0.3 undecidable manual S 67 135.0648 54 -0.09 89
IV.RAFF.HHZ. 2020-08-19T09:28:55.67 0.6 undecidable manual P 115 255.7551 54 0.09 30
IV.MMGO.HHE. 2020-08-19T09:28:54.56 0.6 undecidable manual S 120 125.1747 54 0.12 58
IV.CLTA.HHE. 2020-08-19T09:28:52.41 0.6 undecidable manual P 121 228.3936 54 0.22 36
IV.MBFT.HHZ. 2020-08-19T09:28:51.27 0.3 undecidable manual S 107 110.3118 100 0.24 92
IV.CAVT.HHZ. 2020-08-19T09:28:50.60 0.3 undecidable manual S 125 107.9142 100 0.21 94
IV.PETRA.HHE. 2020-08-19T09:28:50.16 0.6 undecidable manual P 101 211.8324 54 0.04 41
IV.CSLB.HHE. 2020-08-19T09:28:49.31 0.6 undecidable manual P 99 204.6396 54 0.08 42
IV.GIB.HHE. 2020-08-19T09:28:48.88 0.3 undecidable manual P 97 200.9433 54 0.11 64
IV.MARS.EHZ. 2020-08-19T09:28:46.10 0.3 undecidable manual S 127 89.5437 103 0.52 93
IV.SCIAR.HHE. 2020-08-19T09:28:45.97 0.6 undecidable manual P 100 178.0884 54 0.05 49
IV.SOLUN.HHE. 2020-08-19T09:28:42.96 0.6 undecidable manual P 95 156.7209 54 -0.31 53
MN.CLTB.HHN. 2020-08-19T09:28:42.46 0.3 undecidable manual P 119 148.0407 54 0.28 82
IV.ERC.EHZ. 2020-08-19T09:28:42.52 0.6 undecidable manual S 106 76.7676 105 0.25 65
IV.SCIAC.HHE. 2020-08-19T09:28:41.49 0.6 undecidable manual P 123 143.1456 54 -0.09 57
IV.MPG.HHE. 2020-08-19T09:28:41.12 0.3 undecidable manual P 93 141.0477 54 -0.19 86
IV.USI.HHZ. 2020-08-19T09:28:40.21 0.3 undecidable manual P 67 135.0648 54 -0.36 87
IV.MMGO.HHE. 2020-08-19T09:28:39.47 0.3 undecidable manual P 120 125.1747 54 0.13 89
IV.CAVT.HHZ. 2020-08-19T09:28:37.36 0.3 undecidable manual P 125 107.9142 100 0.36 88
IV.MBFT.HHZ. 2020-08-19T09:28:37.37 0.6 undecidable manual P 107 110.3118 100 0 62
IV.LEVAN.EHZ. 2020-08-19T09:28:36.66 0.6 undecidable manual S 117 59.0964 110 -1.11 44
IV.MARS.EHZ. 2020-08-19T09:28:34.64 0.6 undecidable manual P 127 89.5437 103 0.42 60
IV.ERC.EHZ. 2020-08-19T09:28:32.26 0.3 undecidable manual P 106 76.7676 105 -0.05 100
IV.LEVAN.EHZ. 2020-08-19T09:28:28.52 0.3 undecidable manual P 117 59.0964 110 -1.2 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:2.7 0.0003 0.58 AML other m 2020-08-19T09:29:05.54
IV.LEVAN.EHN. ML:2.4 0.0005535000000000001 0.76 AML other m 2020-08-19T09:28:38.60
IV.ERC.EHE. ML:0.0 0.0005005 0.58 AML other m 2020-08-19T09:28:43.35
IV.ERC.EHN. ML:0.0 0.00022155705 1.9584 AML other m 2020-08-19T09:28:43.60
IV.MARS.EHN. ML:2.4 0.000925 0.64 AML other m 2020-08-19T09:28:47.87
IV.MARS.EHE. ML:2.2 0.000819 0.62 AML other m 2020-08-19T09:28:47.56
IV.CAVT.HHN. ML:2.8 0.0009965 0.38 AML other m 2020-08-19T09:28:52.08
IV.CAVT.HHE. ML:2.6 0.000628 0.64 AML other m 2020-08-19T09:28:52.61
IV.MBFT.HHE. ML:1.9 0.00015900000000000002 1.32 AML other m 2020-08-19T09:28:53.15
IV.MBFT.HHN. ML:1.8 0.00013800000000000002 0.32 AML other m 2020-08-19T09:28:54.81
IV.USI.HHN. ML:2.6 0.000682 0.4 AML other m 2020-08-19T09:29:08.39
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
Waveforms Seismic signals in miniseed + resp format Download