Earthquake with magnitude of ML 1.9 on date 23-05-2020 and time 00:15:08 (Italy) in region Tirreno Meridionale (MARE)

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

  • 22-05-2020 22:15:08 (UTC)
  • 23-05-2020 00:15:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.643, 14.145 at 7 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
83 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 2020-05-22
22:15:08
38.6427 14.145 7 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 79785261
Reviewed
Rev100
ML 1.9 2020-05-22
22:15:09
38.5987 14.2383 10 2020-05-22
22:29:02
Sala Sismica INGV-Roma 79463741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-22 22:15:08 ± 0.21
Latitude 38.6427 ± 0.0117
Longitude 14.1450 ± 0.0127
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79785261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1180
Semi-minor axis of confidence ellipse (meter) 1048
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 1180
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.19695
Epicentral distance of station farthest from the epicenter (degree) 1.42992
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79463741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-22 22:29:02

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79785261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-10 23:15:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SCIAR.HHZ. 2020-05-22T22:15:34.67 0.6 undecidable manual S 204 0.7671 50 0.11 45
IV.RAFF.HHZ. 2020-05-22T22:15:34.64 0.3 undecidable manual P 173 1.4299 50 -0.18 56
IV.USI.HHZ. 2020-05-22T22:15:34.03 0.6 undecidable manual S 275 0.7563 50 -0.21 44
IV.GIB.HHE. 2020-05-22T22:15:31.37 0.6 undecidable manual S 188 0.6583 50 0.02 47
IV.PLLN.EHZ. 2020-05-22T22:15:31.28 0.6 undecidable manual S 180 0.6493 50 0.2 45
IV.CSLB.HHZ. 2020-05-22T22:15:31.84 0.6 undecidable manual S 186 0.7078 50 -0.96 34
IV.MUCR.HHE. 2020-05-22T22:15:24.06 0.1 undecidable manual P 136 0.8283 50 -0.47 82
IV.PETRA.HHZ. 2020-05-22T22:15:24.58 0.1 undecidable manual P 182 0.8094 50 0.37 84
IV.USI.HHZ. 2020-05-22T22:15:23.06 0.3 undecidable manual P 275 0.7563 50 -0.25 66
IV.SCIAR.HHZ. 2020-05-22T22:15:23.76 0.1 undecidable manual P 204 0.7671 50 0.27 87
IV.MPG.HHE. 2020-05-22T22:15:23.18 0.6 undecidable manual P 232 0.7806 50 -0.54 41
IV.PLLN.EHZ. 2020-05-22T22:15:22.27 0.3 undecidable manual P 180 0.6493 50 0.79 56
IV.IVPL.HNE. 2020-05-22T22:15:22.84 0.6 undecidable manual P 112 0.7051 50 0.41 43
IV.MSFR.HHZ. 2020-05-22T22:15:22.16 0.3 undecidable manual P 150 0.7015 50 -0.22 67
IV.IVGP.HHN. 2020-05-22T22:15:22.30 0.3 undecidable manual P 111 0.6835 50 0.24 67
IV.CSLB.HHZ. 2020-05-22T22:15:22.48 0.1 undecidable manual P 186 0.7078 50 0 93
IV.IFIL.HHN. 2020-05-22T22:15:21.77 0.3 undecidable manual S 103 0.3453 100 -0.08 74
IV.GIB.HHE. 2020-05-22T22:15:21.65 0.1 undecidable manual P 188 0.6583 50 0.01 94
IV.IFIL.HHN. 2020-05-22T22:15:16.16 0.1 undecidable manual P 103 0.3453 100 0 100
IV.IACL.HHE. 2020-05-22T22:15:15.86 0.3 undecidable manual S 124 0.197 107 -0.44 71
IV.IACL.HHE. 2020-05-22T22:15:13.24 0.1 undecidable manual P 124 0.197 107 0.3 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLLN.EHN. ML:2 0.00014712105 1.0784 AML other m 2020-05-22T22:15:22.43
IV.PLLN.EHE. ML:1.8 0.00010522145 1.1552 AML other m 2020-05-22T22:15:30.89
IV.SCIAR.HNE. ML:2.1 0.00015541995 1.776 AML other m 2020-05-22T22:15:33.95
IV.SCIAR.HNN. ML:2.1 0.00016707425 0.9408 AML other m 2020-05-22T22:15:34.06
IV.SCIAR.HHE. ML:1.8 7.2530865E-5 0.7808 AML other m 2020-05-22T22:15:35.00
IV.CSLB.HHE. ML:1.5 4.637451E-5 0.4608 AML other m 2020-05-22T22:15:35.08
IV.SCIAR.HHN. ML:1.7 7.002883E-5 0.3072 AML other m 2020-05-22T22:15:35.52
IV.CSLB.HHN. ML:1.6 5.997383E-5 0.6272 AML other m 2020-05-22T22:15:36.37
IV.PETRA.HHE. ML:2 0.000118765675 0.4992 AML other m 2020-05-22T22:15:37.21
IV.PETRA.HHN. ML:2.1 0.00013257505 0.6784 AML other m 2020-05-22T22:15:37.56
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