Earthquake with magnitude of ML 1.9 on date 20-10-2022 and time 01:17:49 (Italy) in region Tirreno Meridionale (MARE)

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

  • 19-10-2022 23:17:49 (UTC)
  • 20-10-2022 01:17:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5740, 13.4560 at 11 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
52 Km N of Palermo (674435 inhabitants)
55 Km N of Bagheria (55387 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 2022-10-19
23:17:49
38.5738 13.4565 11 2024-03-01
15:28:23
Bollettino Sismico Italiano INGV 117271561
Reviewed
Rev100
ML 1.9 2022-10-19
23:17:50
38.5422 13.3677 11 2022-10-19
23:40:57
Sala Sismica INGV-Roma 110983701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-19 23:17:49 ± 0.17
Latitude 38.5738 ± 0.0108
Longitude 13.4565 ± 0.0150
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117271561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1420
Semi-minor axis of confidence ellipse (meter) 1030
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 1420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98656
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 117271561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-12 04:44:29

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 110983701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-19 23:40:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RCAV.EHZ. 2022-10-19T23:18:47.68 3.0 undecidable manual Pg 8.52 0
IV.CIMI.HNZ. 2022-10-19T23:18:13.77 1.0 undecidable manual S 172 77.4669 50 1.16 16
IV.MMGO.HHZ. 2022-10-19T23:18:07.51 0.3 undecidable manual P 203 109.5126 50 -0.23 62
IV.SOLUN.HHZ. 2022-10-19T23:18:06.80 0.6 undecidable manual S 173 53.9016 50 0.48 44
IV.ALJA.HHZ. 2022-10-19T23:18:06.51 0.3 undecidable manual P 164 95.1381 50 0.98 49
IV.IFIL.HHZ. 2022-10-19T23:18:05.83 0.3 undecidable manual P 90 97.0251 50 0.01 66
IV.MTGR.HHE. 2022-10-19T23:18:05.42 0.3 undecidable manual P 219 96.9252 50 -0.38 61
IV.PLLN.EHN. 2022-10-19T23:18:04.21 0.3 undecidable manual P 137 87.9453 50 -0.21 65
IV.CIMI.HNZ. 2022-10-19T23:18:04.05 0.3 undecidable manual P 172 77.4669 50 1.24 45
IV.GIB.HHZ. 2022-10-19T23:18:03.31 0.3 undecidable manual P 142 81.5517 50 -0.12 67
IV.MBFT.HHZ. 2022-10-19T23:18:03.56 0.3 undecidable manual P 212 82.251 50 0.02 68
IV.MPG.HHZ. 2022-10-19T23:18:03.87 0.6 undecidable manual S 190 46.5201 50 -0.48 44
IV.CSLB.HHZ. 2022-10-19T23:18:03.85 0.3 undecidable manual P 143 87.9453 50 -0.56 59
IV.IACL.HHE. 2022-10-19T23:18:02.84 0.6 undecidable manual P 93 78.0663 50 -0.05 46
IV.MARIO.HHN. 2022-10-19T23:18:01.36 0.3 undecidable manual P 182 68.7756 50 -0.1 69
IV.USI.HHZ. 2022-10-19T23:17:59.89 0.6 undecidable manual S 302 28.2495 50 0.41 46
IV.SOLUN.HHZ. 2022-10-19T23:17:59.09 0.3 undecidable manual P 173 53.9016 50 -0.08 71
IV.MPG.HHZ. 2022-10-19T23:17:57.52 0.3 undecidable manual P 190 46.5201 50 -0.51 66
IV.USI.HHZ. 2022-10-19T23:17:55.18 0.1 undecidable manual P 302 28.2495 50 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:2.3 0.0009895000000000001 0.34 AML other m 2022-10-19T23:18:01.06
IV.USI.HHN. ML:2.8 0.003215 0.58 AML other m 2022-10-19T23:18:01.25
IV.SOLUN.HHE. ML:2.1 0.00029700000000000006 1.54 AML other m 2022-10-19T23:18:07.99
IV.SOLUN.HHN. ML:2.0 0.0002445 0.22 AML other m 2022-10-19T23:18:08.74
IV.MBFT.HHE. ML:1.5 0.0000383 0.78 AML other m 2022-10-19T23:18:16.61
IV.MBFT.HHN. ML:1.5 0.000039399999999999995 1.18 AML other m 2022-10-19T23:18:19.01
IV.GIB.HHN. ML:1.8 0.00009520000000000001 0.5 AML other m 2022-10-19T23:18:20.34
IV.PLLN.EHE. ML:2.0 0.00011249999999999998 1.54 AML other m 2022-10-19T23:18:22.03
IV.PLLN.EHN. ML:2.0 0.000133 1.4 AML other m 2022-10-19T23:18:23.25
IV.ALJA.HHN. ML:1.8 0.00005915 0.44 AML other m 2022-10-19T23:18:23.44
IV.GIB.HHE. ML:1.8 0.0000975 0.58 AML other m 2022-10-19T23:18:23.53
IV.ALJA.HHE. ML:1.9 0.00007939999999999999 1.22 AML other m 2022-10-19T23:18:23.38
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