Earthquake with magnitude of ML 1.1 on date 19-01-2021 and time 02:09:50 (Italy) in region 6 km N Sperlinga (EN)

A magnitude ML 1.1 earthquake occured in region: 6 km N Sperlinga (EN), on

  • 19-01-2021 01:09:50 (UTC)
  • 19-01-2021 02:09:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8240, 14.3590 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sperlinga EN 6 805 805
Castel di Lucio ME 8 1294 2099
Nicosia EN 9 13899 15998
Capizzi ME 11 3176 19174
Mistretta ME 12 4791 23965
Cerami EN 13 2006 25971
Gangi PA 14 6811 32782
Reitano ME 17 806 33588
Pettineo ME 17 1350 34938
San Mauro Castelverde PA 18 1701 36639
Motta d'Affermo ME 18 739 37378
Geraci Siculo PA 18 1945 39323
Gagliano Castelferrato EN 20 3593 42916

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NE of Caltanissetta (63360 inhabitants)
73 Km NW of Catania (314555 inhabitants)
75 Km W of Acireale (52622 inhabitants)
80 Km E of Bagheria (55387 inhabitants)
85 Km N of Gela (75827 inhabitants)
89 Km NE of Agrigento (59770 inhabitants)
93 Km E of Palermo (674435 inhabitants)
99 Km N of Vittoria (63339 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 1.1 2021-01-19
01:09:50
37.8237 14.3587 7 2021-07-12
16:55:06
Bollettino Sismico Italiano INGV 89253451
Reviewed
Rev100
ML 1.5 2021-01-19
01:09:50
37.823 14.3538 5 2021-01-19
01:18:25
Sala Sismica INGV-Roma 86365201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-19 01:09:50 ± 0.12
Latitude 37.8237 ± 0.0081
Longitude 14.3587 ± 0.0080
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 89253451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 904
Semi-minor axis of confidence ellipse (meter) 511
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 24
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.19245
Epicentral distance of station farthest from the epicenter (degree) 0.70867
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 89253451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-19 11:16:37

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 86365201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-19 01:18:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AIO.HHE. 2021-01-19T01:10:04.73 1.0 undecidable manual P 78 78.2661 50 0.12 30
IV.IACL.HHZ. 2021-01-19T01:10:04.74 0.6 undecidable manual P 360 78.6657 50 0.06 60
IV.NOV.HHZ. 2021-01-19T01:10:03.78 1.0 undecidable manual P 71 71.7726 50 0.17 30
IV.CSLB.HHZ. 2021-01-19T01:10:01.31 0.3 undecidable manual S 296 29.2485 103 0.37 93
IV.PLLN.EHZ. 2021-01-19T01:10:00.67 0.3 undecidable manual S 315 26.5512 104 0.61 87
IV.CPTP.HHE. 2021-01-19T01:10:00.92 0.6 undecidable manual P 201 49.3173 50 0.78 52
IV.MUCR.HHE. 2021-01-19T01:09:59.99 0.6 undecidable manual P 61 51.2154 50 -0.46 58
IV.GALF.HHZ. 2021-01-19T01:09:59.05 0.3 undecidable manual S 124 22.1556 107 0.49 91
IV.ESCV.HHN. 2021-01-19T01:09:59.19 1.0 undecidable manual P 102 40.9257 50 0.33 30
IV.PETRA.HHE. 2021-01-19T01:09:58.27 0.6 undecidable manual S 273 21.3675 107 -0.05 67
IV.RESU.HHE. 2021-01-19T01:09:57.08 0.3 undecidable manual P 234 32.9448 101 -0.21 95
IV.MSFR.HHZ. 2021-01-19T01:09:56.78 0.3 undecidable manual P 41 30.9468 102 -0.12 97
IV.CSLB.HHZ. 2021-01-19T01:09:55.81 0.3 undecidable manual P 296 29.2485 103 -0.74 82
IV.PLLN.EHZ. 2021-01-19T01:09:55.88 0.6 undecidable manual P 315 26.5512 104 -0.16 65
IV.CAGR.HHZ. 2021-01-19T01:09:55.81 0.3 undecidable manual P 151 25.5522 104 -0.03 100
IV.GALF.HHZ. 2021-01-19T01:09:54.79 0.3 undecidable manual P 124 22.1556 107 -0.39 93
IV.PETRA.HHE. 2021-01-19T01:09:54.80 0.3 undecidable manual P 273 21.3675 107 -0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSFR.HHE. ML:0.9 0.00003320296 0.24 AML other m 2021-01-19T01:10:03.82
IV.CSLB.HHE. ML:1.2 0.0000765 0.28 AML other m 2021-01-19T01:10:02.28
IV.PLLN.EHE. ML:1.4 0.000155780095 0.3 AML other m 2021-01-19T01:10:03.10
IV.CSLB.HHN. ML:0.9 0.000046636935 1.7 AML other m 2021-01-19T01:10:03.10
IV.GALF.HHE. ML:1.9 0.0005740000000000001 0.42 AML other m 2021-01-19T01:10:03.95
IV.PLLN.EHN. ML:1.6 0.0002132313 0.36 AML other m 2021-01-19T01:10:02.61
IV.MSFR.HHN. ML:1.0 0.000045233225 0.4 AML other m 2021-01-19T01:10:05.57
IV.GALF.HNN. ML:0.8 0.000042202355 0.2504 AML other m 2021-01-19T01:09:59.65
IV.GALF.HNE. ML:0.8 0.00004957816 0.28 AML other m 2021-01-19T01:10:00.37
IV.GALF.HHN. ML:1.8 0.0004978375 0.42 AML other m 2021-01-19T01:10:02.34
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