Earthquake with magnitude of ML 2.1 on date 02-02-2021 and time 13:10:22 (UTC) in region Tirreno Meridionale (MARE)

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

  • 02-02-2021 13:10:22 (UTC)
  • 02-02-2021 14:10:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4540, 12.9340 at 9 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
53 Km NW of Palermo (674435 inhabitants)
61 Km NE of Trapani (68759 inhabitants)
65 Km NW of Bagheria (55387 inhabitants)
85 Km NE of Marsala (83194 inhabitants)
94 Km NE 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 2.1 2021-02-02
13:10:22
38.4537 12.9342 9 2021-07-12
16:54:57
Bollettino Sismico Italiano INGV 86809891
Reviewed
Rev100
ML 2.2 2021-02-02
13:10:22
38.4482 12.9277 10 2021-02-02
13:25:22
Sala Sismica INGV-Roma 86784811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-02 13:10:22 ± 0.56
Latitude 38.4537 ± 0.0117
Longitude 12.9342 ± 0.0161
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86809891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1545
Semi-minor axis of confidence ellipse (meter) 473
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 131
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.95508
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 86784811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-02 13:25:22

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 86809891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-11 15:21:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2021-02-02T13:12:01.06 3.0 undecidable manual Sn -5.12 0
IV.SARZ.HNZ. 2021-02-02T13:11:50.55 3.0 undecidable manual Pn 7.47 0
IV.PIPA.HHZ. 2021-02-02T13:11:39.08 3.0 undecidable manual Sg 0.37 0
IV.MNTT.EHZ. 2021-02-02T13:11:30.79 3.0 positive manual Pg 19.110001 0
AC.VLO.HHZ. 2021-02-02T13:11:27.27 3.0 undecidable manual Pn 2.27 0
IV.CMPR.HHZ. 2021-02-02T13:11:27.29 3.0 undecidable manual Sg 2.51 0
IV.SENA.HHZ. 2021-02-02T13:11:06.40 3.0 undecidable manual Pn 11.57 0
IV.LPEL.HHZ. 2021-02-02T13:11:00.30 3.0 positive manual Pn -0.12 0
IV.CMPR.HHZ. 2021-02-02T13:10:51.39 3.0 undecidable manual Pn 2.97 0
IV.LEVAN.EHZ. 2021-02-02T13:10:44.29 0.6 undecidable manual S 225 72.5718 50 -0.17 64
IV.HAGA.HHZ. 2021-02-02T13:10:43.69 3.0 undecidable manual Pn -1.16 0
IV.SOLUN.HHE. 2021-02-02T13:10:43.19 0.6 undecidable manual S 127 65.7897 50 0.54 59
IV.ALJA.HHZ. 2021-02-02T13:10:41.08 0.6 undecidable manual P 137 106.0161 50 0.85 48
IV.MBFT.HHZ. 2021-02-02T13:10:40.08 0.6 undecidable manual S 178 56.2992 50 -0.05 68
IV.ERC.EHZ. 2021-02-02T13:10:39.37 0.6 undecidable manual S 213 55.2003 50 -0.45 62
IV.MMGO.HHN. 2021-02-02T13:10:37.32 0.6 undecidable manual P 178 87.9453 50 -0.12 63
IV.MPG.HHZ. 2021-02-02T13:10:37.94 0.3 undecidable manual S 131 49.2174 50 -0.29 98
IV.MARS.EHE. 2021-02-02T13:10:37.79 0.1 undecidable manual P 203 84.1491 50 0.93 98
IV.CRJA.HHZ. 2021-02-02T13:10:35.71 0.3 undecidable manual P 175 72.5718 50 0.63 85
IV.LEVAN.EHZ. 2021-02-02T13:10:34.98 0.3 undecidable manual P 225 72.5718 50 -0.1 97
IV.USI.HHZ. 2021-02-02T13:10:34.92 0.3 undecidable manual S 37 35.3424 50 0.4 98
IV.SOLUN.HHE. 2021-02-02T13:10:33.54 0.6 undecidable manual P 127 65.7897 50 -0.5 60
IV.ERC.EHZ. 2021-02-02T13:10:32.10 0.3 undecidable manual P 213 55.2003 50 -0.3 96
IV.MBFT.HHZ. 2021-02-02T13:10:32.69 0.3 undecidable manual P 178 56.2992 50 0.11 100
IV.MPG.HHZ. 2021-02-02T13:10:30.57 0.3 undecidable manual P 131 49.2174 50 -0.91 79
IV.USI.HHZ. 2021-02-02T13:10:28.82 0.3 undecidable manual P 37 35.3424 50 -0.52 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MBFT.HNE. ML:1.8 0.00012267310000000002 0.768 AML other m 2021-02-02T13:10:34.29
IV.USI.HHE. ML:2.4 0.0010287936499999999 0.3584 AML other m 2021-02-02T13:10:36.92
IV.USI.HHN. ML:2.8 0.0025013795 0.256 AML other m 2021-02-02T13:10:37.65
IV.MPG.HHN. ML:2.4 0.000697 1.58 AML other m 2021-02-02T13:10:39.03
IV.MPG.HHE. ML:2.1 0.00037 0.24 AML other m 2021-02-02T13:10:40.70
IV.MBFT.HHE. ML:2.2 0.00038308185 1.7952 AML other m 2021-02-02T13:10:42.06
IV.MBFT.HHN. ML:2.2 0.00032969579999999997 0.16 AML other m 2021-02-02T13:10:42.80
IV.LEVAN.EHE. ML:1.9 0.00012980015 0.3456 AML other m 2021-02-02T13:10:46.24
IV.LEVAN.EHN. ML:1.8 0.00009382521499999998 0.384 AML other m 2021-02-02T13:10:48.81
IV.CRJA.HHN. ML:2.2 0.00022392724999999996 0.4032 AML other m 2021-02-02T13:10:48.67
IV.CRJA.HHE. ML:2.3 0.00031254945 0.6016 AML other m 2021-02-02T13:10:52.23
IV.MBFT.HNN. ML:1.8 0.00013193595 1.0368 AML other m 2021-02-02T13:10:55.67
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