Earthquake with magnitude of ML 1.9 on date 28-04-2020 and time 10:07:20 (Italy) in region Tirreno Meridionale (MARE)

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

  • 28-04-2020 08:07:20 (UTC)
  • 28-04-2020 10:07:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6420, 14.1540 at 6 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
84 Km NE of Bagheria (55387 inhabitants)
90 Km NE of Palermo (674435 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 2020-04-28
08:07:20
38.6422 14.1542 6 2020-07-18
21:08:39
Bollettino Sismico Italiano INGV 79926131
Reviewed
Rev100
ML 2.1 2020-04-28
08:07:20
38.6418 14.1612 7 2020-04-28
08:34:33
Sala Sismica INGV-Roma 78641391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-28 08:07:20 ± 0.16
Latitude 38.6422 ± 0.0090
Longitude 14.1542 ± 0.0092
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79926131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 941
Semi-minor axis of confidence ellipse (meter) 707
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85346
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 79926131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-05 11:26:10

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 78641391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-28 08:34:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.BRJN.HHZ. 2020-04-28T08:08:50.28 3.0 undecidable manual Pn -7.19 0
IV.MAON.HHZ. 2020-04-28T08:08:39.92 3.0 undecidable manual Pg 6.7 0
IV.PZUN.HHZ. 2020-04-28T08:08:33.86 3.0 undecidable manual Sg -0.01 0
IV.SPS2.HHZ. 2020-04-28T08:08:10.26 3.0 undecidable manual S -6.07 0
IV.MUCR.HHZ. 2020-04-28T08:07:48.25 0.6 undecidable manual S 136 91.3419 50 0 46
IV.USI.HHE. 2020-04-28T08:07:46.08 0.6 undecidable manual S 275 84.7485 50 -0.42 43
IV.SOLUN.HHE. 2020-04-28T08:07:45.57 0.6 undecidable manual S 222 81.5517 50 -0.07 47
IV.CSLB.HHZ. 2020-04-28T08:07:44.27 0.6 undecidable manual S 186 78.6657 50 -0.59 41
IV.MSFR.HHZ. 2020-04-28T08:07:44.76 0.6 undecidable manual S 150 77.4669 50 0.21 46
IV.PLLN.EHZ. 2020-04-28T08:07:43.31 0.6 undecidable manual S 181 72.0723 50 0.2 46
IV.GIB.HHZ. 2020-04-28T08:07:43.34 0.3 undecidable manual S 189 73.1712 50 -0.07 71
IV.MUCR.HHZ. 2020-04-28T08:07:36.50 0.3 undecidable manual P 136 91.3419 50 0.05 69
IV.IST3.HHE. 2020-04-28T08:07:36.32 1.0 undecidable manual P 79 94.7385 50 -0.66 19
IV.ISTR.HHE. 2020-04-28T08:07:36.42 1.0 undecidable manual P 80 91.242 50 -0.02 23
IV.MPG.HHE. 2020-04-28T08:07:36.40 1.0 undecidable manual P 233 87.246 50 0.58 20
IV.USI.HHE. 2020-04-28T08:07:35.46 0.3 undecidable manual P 275 84.7485 50 0.02 70
IV.SOLUN.HHE. 2020-04-28T08:07:35.36 1.0 undecidable manual P 222 81.5517 50 0.42 22
IV.MSFR.HHZ. 2020-04-28T08:07:34.58 0.6 undecidable manual P 150 77.4669 50 0.26 45
IV.IVPL.HNE. 2020-04-28T08:07:34.38 1.0 undecidable manual P 112 77.5668 50 0.06 23
IV.PLLN.EHZ. 2020-04-28T08:07:34.26 0.3 undecidable manual P 181 72.0723 50 0.78 58
IV.CSLB.HHZ. 2020-04-28T08:07:34.30 0.1 undecidable manual P 186 78.6657 50 -0.19 91
IV.GIB.HHZ. 2020-04-28T08:07:33.36 0.6 undecidable manual P 189 73.1712 50 -0.3 45
IV.IFIL.HHZ. 2020-04-28T08:07:33.60 0.6 undecidable manual S 103 37.5291 99 0.07 50
IV.IFIL.HHZ. 2020-04-28T08:07:27.90 0.3 undecidable manual P 103 37.5291 99 -0.05 76
IV.IACL.HHZ. 2020-04-28T08:07:27.52 0.3 undecidable manual S 125 21.1677 106 -0.48 71
IV.IACL.HHZ. 2020-04-28T08:07:25.01 0.1 undecidable manual P 125 21.1677 106 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IACL.HHE. ML:2.1 0.00097918205 0.9984 AML other m 2020-04-28T08:07:28.65
IV.IACL.HHN. ML:2.2 0.0011371649999999999 0.224 AML other m 2020-04-28T08:07:30.04
IV.IFIL.HHN. ML:1.9 0.0003221115 0.4416 AML other m 2020-04-28T08:07:34.12
IV.IFIL.HHE. ML:2.4 0.0010197058000000001 0.2624 AML other m 2020-04-28T08:07:35.31
IV.GIB.HHE. ML:1.9 0.00011585082000000001 0.4992 AML other m 2020-04-28T08:07:45.42
IV.GIB.HHN. ML:1.9 0.00013365685 0.3392 AML other m 2020-04-28T08:07:45.38
IV.CSLB.HHN. ML:1.4 0.000035665115 0.2816 AML other m 2020-04-28T08:07:46.59
IV.CSLB.HHE. ML:1.3 0.00002928635 0.5568 AML other m 2020-04-28T08:07:45.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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