Earthquake with magnitude of ML 1.5 on date 22-04-2020 and time 00:49:46 (UTC) in region 6 km SE Troina (EN)

A magnitude ML 1.5 earthquake occured in region: 6 km SE Troina (EN), on

  • 22-04-2020 00:49:46 (UTC)
  • 22-04-2020 02:49:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7470, 14.6410 at 19 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
Troina EN 6 9373 9373
Gagliano Castelferrato EN 10 3593 12966
Regalbuto EN 10 7277 20243
San Teodoro ME 12 1403 21646
CesarĂ² ME 13 2439 24085
Cerami EN 14 2006 26091
Agira EN 14 8345 34436
Centuripe EN 17 5470 39906
Bronte CT 18 19172 59078
Capizzi ME 18 3176 62254
Adrano CT 19 36122 98376
Maniace CT 20 3765 102141
Nissoria EN 20 3000 105141

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NW of Catania (314555 inhabitants)
49 Km W of Acireale (52622 inhabitants)
58 Km NE of Caltanissetta (63360 inhabitants)
83 Km NE of Gela (75827 inhabitants)
89 Km N of Vittoria (63339 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
94 Km SW of Messina (238439 inhabitants)
96 Km NW of Siracusa (122291 inhabitants)
97 Km W of Reggio di Calabria (183035 inhabitants)
99 Km N of Modica (54633 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 1.5 2020-04-22
00:49:46
37.7473 14.6412 19 2020-07-18
21:08:35
Bollettino Sismico Italiano INGV 78874001
Reviewed
Rev100
ML 1.6 2020-04-22
00:49:45
37.7468 14.6253 22 2020-04-22
01:04:42
Sala Sismica INGV-Roma 78453881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-22 00:49:46 ± 0.18
Latitude 37.7473 ± 0.0081
Longitude 14.6412 ± 0.0125
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78874001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1126
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 1.30132
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 78874001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-25 15:27:39

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 78453881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-22 01:04:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHE. 2020-04-22T00:50:21.36 0.6 undecidable manual S 163 120.3906 94 0.49 41
IV.CLTA.HHN. 2020-04-22T00:50:13.94 1.0 undecidable manual S 223 88.6446 96 1.52 14
IV.CRJA.HHN. 2020-04-22T00:50:10.79 0.6 undecidable manual P 273 143.6451 94 1 32
IV.JOPP.HNN. 2020-04-22T00:50:10.15 0.6 undecidable manual P 48 144.4443 94 0.24 41
IV.MPNC.HHN. 2020-04-22T00:50:09.40 1.0 undecidable manual S 54 76.368 97 0.22 24
IV.SSY.HHZ. 2020-04-22T00:50:09.40 0.6 undecidable manual S 150 75.6687 97 0.41 45
IV.RAFF.HHE. 2020-04-22T00:50:06.50 0.6 undecidable manual S 203 63.1923 99 0.81 41
IV.CORL.HHZ. 2020-04-22T00:50:06.82 0.6 undecidable manual P 278 118.2927 94 0.93 35
IV.HVZN.HNZ. 2020-04-22T00:50:05.70 1.0 undecidable manual S 174 63.492 99 -0.06 25
IV.AIO.HHE. 2020-04-22T00:50:05.50 1.0 undecidable manual S 64 57.498 100 1.31 16
IV.HPAC.HHE. 2020-04-22T00:50:05.35 0.3 undecidable manual P 163 120.3906 94 -0.87 53
IV.HLNI.HHZ. 2020-04-22T00:50:01.70 0.6 undecidable manual S 155 48.7179 103 -0.19 51
IV.CLTA.HHN. 2020-04-22T00:50:01.91 0.3 undecidable manual P 223 88.6446 96 0.58 64
IV.MPNC.HHN. 2020-04-22T00:50:00.19 1.0 undecidable manual P 54 76.368 97 0.73 20
IV.MUCR.HHZ. 2020-04-22T00:49:59.40 0.6 undecidable manual S 32 38.628 107 0.11 52
IV.ACATE.HNE. 2020-04-22T00:49:59.63 0.3 undecidable manual P 189 81.1521 97 -0.57 65
IV.MSFR.HHZ. 2020-04-22T00:49:58.10 1.0 undecidable manual S 352 32.0457 112 0.45 25
IV.SSY.HHZ. 2020-04-22T00:49:58.57 0.1 undecidable manual P 150 75.6687 97 -0.79 81
IV.RAFF.HHE. 2020-04-22T00:49:57.28 0.3 undecidable manual P 203 63.1923 99 -0.17 74
IV.CPTP.HHZ. 2020-04-22T00:49:57.62 0.6 undecidable manual P 228 56.499 101 1.19 35
IV.AIO.HHE. 2020-04-22T00:49:56.33 1.0 undecidable manual P 64 57.498 100 -0.25 25
IV.HVZN.HNZ. 2020-04-22T00:49:56.68 0.3 undecidable manual P 174 63.492 99 -0.81 61
IV.CSLB.HHE. 2020-04-22T00:49:55.73 0.6 undecidable manual P 293 55.3002 101 -0.52 46
IV.PLLN.EHN. 2020-04-22T00:49:55.06 0.6 undecidable manual P 302 51.4152 102 -0.6 44
IV.HLNI.HHZ. 2020-04-22T00:49:54.60 0.3 undecidable manual P 155 48.7179 103 -0.65 67
IV.MUCR.HHZ. 2020-04-22T00:49:53.44 0.1 undecidable manual P 32 38.628 107 -0.31 100
IV.MSFR.HHZ. 2020-04-22T00:49:52.45 0.1 undecidable manual P 352 32.0457 112 -0.35 100
IV.ESML.HHE. 2020-04-22T00:49:52.62 0.1 undecidable manual P 124 25.3524 118 0.76 88
IV.GALF.HHZ. 2020-04-22T00:49:52.50 0.6 undecidable manual S 238 7.6812 155 -0.19 54
IV.CAGR.HHE. 2020-04-22T00:49:51.35 0.3 undecidable manual P 222 18.6702 129 0.35 77
IV.EPZF.HHZ. 2020-04-22T00:49:51.84 0.1 undecidable manual P 66 20.7681 125 0.58 96
IV.GALF.HHZ. 2020-04-22T00:49:49.39 0.1 undecidable manual P 238 7.6812 155 -0.55 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHE. ML:1.4 0.000064307495 0.08 AML other m 2020-04-22T00:50:02.60
IV.HLNI.HHN. ML:1.4 0.000070587175 0.12 AML other m 2020-04-22T00:50:03.13
IV.GALF.HHN. ML:1.6 0.00035437180000000003 1.6 AML other m 2020-04-22T00:49:52.91
IV.GALF.HHE. ML:1.7 0.00041496124999999996 1.74 AML other m 2020-04-22T00:49:56.08
IV.MUCR.HHE. ML:1.3 0.00006196351 1.62 AML other m 2020-04-22T00:50:00.10
IV.MUCR.HHN. ML:1.4 0.000078546505 1.72 AML other m 2020-04-22T00:49:59.87
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