Earthquake with magnitude of ML 2.1 on date 22-05-2020 and time 20:50:10 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-05-2020 20:50:10 (UTC)
  • 22-05-2020 22:50:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6440, 14.1400 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
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 2.1 2020-05-22
20:50:10
38.6437 14.14 6 2020-11-19
12:36:47
Bollettino Sismico Italiano INGV 79784321
Reviewed
Rev100
ML 2.1 2020-05-22
20:50:10
38.6403 14.1413 6 2020-05-22
21:00:37
Sala Sismica INGV-Roma 79462871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-22 20:50:10 ± 0.24
Latitude 38.6437 ± 0.0126
Longitude 14.1400 ± 0.0138
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79784321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1372
Semi-minor axis of confidence ellipse (meter) 1119
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
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 32
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.43082
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79462871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-22 21:00:37

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 79784321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-10 23:12:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2020-05-22T20:52:07.80 3.0 undecidable manual Sn 2.96 0
IV.VIVA.HHZ. 2020-05-22T20:51:52.54 3.0 undecidable manual Sn 0.43 0
IV.FIR.HHZ. 2020-05-22T20:51:49.15 3.0 undecidable manual Pn 7.63 0
IV.CRTC.HHZ. 2020-05-22T20:51:46.57 3.0 positive manual Pg 9.5 0
IV.APEC.HHZ. 2020-05-22T20:51:42.29 3.0 undecidable manual Pn 7.14 0
HL.VLS.HHZ. 2020-05-22T20:51:30.09 3.0 positive manual Pn -2.89 0
IV.SENA.HHZ. 2020-05-22T20:51:22.06 3.0 undecidable manual Pn 4 0
IV.VIVA.HHZ. 2020-05-22T20:51:19.12 3.0 undecidable manual Pg 8.86 0
IV.MCRV.HHZ. 2020-05-22T20:50:57.31 3.0 undecidable manual Pn -0.11 0
IV.PETRA.HHZ. 2020-05-22T20:50:39.08 0.6 undecidable manual S 181 89.9433 50 0.73 38
IV.SCIAR.HHZ. 2020-05-22T20:50:37.03 0.6 undecidable manual S 204 85.0482 50 -0.04 47
IV.RAFF.HHZ. 2020-05-22T20:50:37.47 0.3 undecidable manual P 173 158.8188 50 0.18 57
IV.HLNI.HHZ. 2020-05-22T20:50:36.24 0.3 undecidable manual P 156 157.3203 50 -0.81 47
IV.USI.HHE. 2020-05-22T20:50:36.90 0.6 undecidable manual S 275 83.5497 50 0.25 45
IV.GIB.HHZ. 2020-05-22T20:50:34.00 0.6 undecidable manual S 188 73.1712 50 0.11 47
IV.CSLB.HHZ. 2020-05-22T20:50:34.51 0.6 undecidable manual S 185 78.6657 50 -0.85 37
IV.PLLN.EHZ. 2020-05-22T20:50:33.90 0.6 undecidable manual S 180 72.2721 50 0.26 45
IV.PETRA.HHZ. 2020-05-22T20:50:27.33 0.3 undecidable manual P 181 89.9433 50 0.67 59
IV.SCIAR.HHZ. 2020-05-22T20:50:26.13 0.3 undecidable manual P 204 85.0482 50 0.21 67
IV.MUCR.HHE. 2020-05-22T20:50:26.42 0.1 undecidable manual P 136 92.241 50 -0.61 80
IV.USI.HHE. 2020-05-22T20:50:25.47 0.3 undecidable manual P 275 83.5497 50 -0.21 68
IV.MPG.HHE. 2020-05-22T20:50:25.67 0.6 undecidable manual P 232 86.3469 50 -0.44 43
IV.IVPL.HNE. 2020-05-22T20:50:25.47 0.3 undecidable manual P 112 78.7656 50 0.53 63
IV.PLLN.EHZ. 2020-05-22T20:50:24.60 0.6 undecidable manual P 180 72.2721 50 0.66 41
IV.CSLB.HHZ. 2020-05-22T20:50:24.81 0.3 undecidable manual P 185 78.6657 50 -0.12 70
IV.IVGP.HHN. 2020-05-22T20:50:24.80 0.3 undecidable manual P 111 76.368 50 0.23 68
IV.IFIL.HHZ. 2020-05-22T20:50:24.37 0.3 undecidable manual S 103 38.7279 98 0.08 75
IV.MSFR.HHZ. 2020-05-22T20:50:24.37 0.3 undecidable manual P 150 78.2661 50 -0.5 64
IV.GIB.HHZ. 2020-05-22T20:50:23.84 0.3 undecidable manual P 188 73.1712 50 -0.24 69
IV.IACL.HHZ. 2020-05-22T20:50:18.38 0.6 undecidable manual S 123 22.3554 104 -0.3 49
IV.IFIL.HHZ. 2020-05-22T20:50:18.43 0.1 positive manual P 103 38.7279 98 -0.11 100
IV.IACL.HHZ. 2020-05-22T20:50:15.66 0.1 undecidable manual P 123 22.3554 104 0.35 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLLN.EHE. ML:2.1 0.00020150000000000002 0.78 AML other m 2020-05-22T20:50:35.02
IV.CSLB.HHE. ML:1.7 0.00006670000000000001 1.02 AML other m 2020-05-22T20:50:35.98
IV.PLLN.EHN. ML:2.4 0.0003685 1.26 AML other m 2020-05-22T20:50:35.31
IV.SCIAR.HHN. ML:1.9 0.00010894999999999999 0.42 AML other m 2020-05-22T20:50:38.11
IV.CSLB.HHN. ML:1.7 0.00007505000000000001 0.62 AML other m 2020-05-22T20:50:38.75
IV.SCIAR.HNE. ML:2.2 0.00019183944999999998 1.456 AML other m 2020-05-22T20:50:40.25
IV.SCIAR.HNN. ML:2.3 0.0002448118 1.0368 AML other m 2020-05-22T20:50:42.04
IV.PETRA.HHE. ML:2.1 0.00015999999999999999 0.92 AML other m 2020-05-22T20:50:42.82
IV.SCIAR.HHE. ML:1.9 0.00010025000000000001 0.56 AML other m 2020-05-22T20:50:42.45
IV.PETRA.HHN. ML:2.2 0.00019250000000000002 1.34 AML other m 2020-05-22T20:50:42.94
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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