Earthquake with magnitude of ML 1.6 on date 05-03-2021 and time 11:54:04 (UTC) in region 4 km SE Valguarnera Caropepe (EN)

A magnitude ML 1.6 earthquake occured in region: 4 km SE Valguarnera Caropepe (EN), on

  • 05-03-2021 11:54:04 (UTC)
  • 05-03-2021 12:54:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.4750, 14.4270 at 35 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
Valguarnera Caropepe EN 4 7866 7866
Aidone EN 7 4889 12755
Raddusa CT 9 3178 15933
Piazza Armerina EN 11 21886 37819
Enna EN 17 28019 65838
Mirabella Imbaccari CT 17 4912 70750
Assoro EN 17 5191 75941
Calascibetta EN 19 4528 80469
Leonforte EN 19 13439 93908
Castel di Iudica CT 20 4625 98533

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Caltanissetta (63360 inhabitants)
48 Km NE of Gela (75827 inhabitants)
58 Km W of Catania (314555 inhabitants)
59 Km N of Vittoria (63339 inhabitants)
67 Km NW of Ragusa (73313 inhabitants)
67 Km W of Acireale (52622 inhabitants)
75 Km NW of Modica (54633 inhabitants)
77 Km E of Agrigento (59770 inhabitants)
90 Km NW of Siracusa (122291 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 1.6 2021-03-05
11:54:04
37.4747 14.4268 35 2021-07-12
16:55:03
Bollettino Sismico Italiano INGV 88372671
Reviewed
Rev100
ML 1.5 2021-03-05
11:54:04
37.4827 14.4273 31 2021-03-05
12:09:20
Sala Sismica INGV-Roma 87777081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-05 11:54:04 ± 0.18
Latitude 37.4747 ± 0.0108
Longitude 14.4268 ± 0.0147
Depth (km) 35 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88372671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1151
Semi-minor axis of confidence ellipse (meter) 1149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 22
Circular confidence region, given by single value of horizontal uncertainty (meter) 1150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
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) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.15828
Epicentral distance of station farthest from the epicenter (degree) 0.75543
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:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 87777081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-05 12:09:20

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 88372671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-25 14:39:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-03-05T11:54:30.80 0.6 undecidable manual S 133 83.8494 54 0.61 42
IV.HSRS.HNN. 2021-03-05T11:54:30.04 0.6 undecidable manual S 121 81.9513 54 0.26 46
IV.SSY.HHZ. 2021-03-05T11:54:27.08 0.6 undecidable manual S 121 67.0773 113 0.99 37
IV.HAGA.HHZ. 2021-03-05T11:54:26.58 0.6 undecidable manual S 108 67.5768 113 0.36 47
IV.HCRL.HHZ. 2021-03-05T11:54:24.09 0.6 undecidable manual S 112 57.498 117 0.31 48
IV.HAVL.HHZ. 2021-03-05T11:54:19.35 0.3 undecidable manual P 133 83.8494 54 0.06 73
IV.HLNI.HHZ. 2021-03-05T11:54:19.80 0.3 undecidable manual S 110 41.625 126 -0.37 74
IV.RAFF.HHZ. 2021-03-05T11:54:18.33 0.6 undecidable manual S 191 28.5492 138 0.78 45
IV.MUCR.HHE. 2021-03-05T11:54:18.06 0.3 undecidable manual P 32 74.2701 111 0.1 73
IV.HSRS.HNN. 2021-03-05T11:54:18.71 0.3 undecidable manual P 121 81.9513 54 -0.34 69
IV.CAGR.HHE. 2021-03-05T11:54:16.44 0.6 undecidable manual S 21 17.5713 151 0.61 48
IV.MSFR.HHZ. 2021-03-05T11:54:16.56 0.3 undecidable manual P 13 63.6918 114 0.1 75
IV.HAGA.HHZ. 2021-03-05T11:54:16.60 0.3 undecidable manual P 108 67.5768 113 -0.4 70
IV.SSY.HHZ. 2021-03-05T11:54:16.77 0.1 undecidable manual P 121 67.0773 113 -0.16 98
IV.HCRL.HHZ. 2021-03-05T11:54:15.33 0.3 undecidable manual P 112 57.498 117 -0.26 73
IV.HVZN.HHZ. 2021-03-05T11:54:13.38 0.3 undecidable manual P 142 41.625 126 -0.12 78
IV.HLNI.HHZ. 2021-03-05T11:54:13.04 0.1 positive manual P 110 41.625 126 -0.47 96
IV.GALF.HHE. 2021-03-05T11:54:12.01 0.6 undecidable manual P 25 28.9488 137 -0.02 54
IV.CPTP.HHZ. 2021-03-05T11:54:11.93 0.3 undecidable manual P 252 24.4533 142 0.34 77
IV.RAFF.HHZ. 2021-03-05T11:54:11.62 0.1 undecidable manual P 191 28.5492 138 -0.38 100
IV.CAGR.HHE. 2021-03-05T11:54:10.88 0.6 undecidable manual P 21 17.5713 151 -0.13 54
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAFF.HHE. ML:1.7 0.000142 0.28 AML other m 2021-03-05T11:54:18.50
IV.RAFF.HHN. ML:1.3 0.000055556985 0.4224 AML other m 2021-03-05T11:54:18.48
IV.HLNI.HHE. ML:1.3 0.000048879245 1.0624 AML other m 2021-03-05T11:54:20.72
IV.HCRL.HHN. ML:1.3 0.00003737478 0.1024 AML other m 2021-03-05T11:54:25.48
IV.HCRL.HHE. ML:1.4 0.00003950269 0.096 AML other m 2021-03-05T11:54:26.82
IV.SSY.HHE. ML:2.0 0.0001450263 0.1792 AML other m 2021-03-05T11:54:28.47
IV.SSY.HHN. ML:2.3 0.0003267337 0.1984 AML other m 2021-03-05T11:54:29.37
IV.HAVL.HHE. ML:1.8 0.00007782131000000001 1.8016 AML other m 2021-03-05T11:54:31.05
IV.HAVL.HHN. ML:1.9 0.00008662889 0.096 AML other m 2021-03-05T11:54:31.17
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