Earthquake with magnitude of ML 2.1 on date 09-04-2010 and time 08:26:05 (Italy) in region 2 km E Valverde (CT)

A magnitude ML 2.1 earthquake occured in region: 2 km E Valverde (CT), on

  • 09-04-2010 06:26:05 (UTC)
  • 09-04-2010 08:26:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5780, 15.1450 at 1 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
Valverde CT 2 7840 7840
Aci Castello CT 2 18723 26563
Aci Catena CT 3 29851 56414
San Gregorio di Catania CT 3 11966 68380
Aci Sant'Antonio CT 4 17984 86364
Aci Bonaccorsi CT 4 3524 89888
Acireale CT 4 52622 142510
San Giovanni la Punta CT 4 23060 165570
Viagrande CT 6 8563 174133
Sant'Agata li Battiati CT 6 9479 183612
Tremestieri Etneo CT 6 20589 204201
Trecastagni CT 7 10910 215111
Gravina di Catania CT 8 25838 240949
Mascalucia CT 8 31958 272907
Pedara CT 9 14102 287009
Catania CT 10 314555 601564
San Pietro Clarenza CT 11 7743 609307
Nicolosi CT 11 7463 616770
Camporotondo Etneo CT 12 5023 621793
Santa Venerina CT 12 8592 630385
Zafferana Etnea CT 14 9517 639902
Misterbianco CT 14 49410 689312
Belpasso CT 15 28108 717420
Milo CT 17 1087 718507
Motta Sant'Anastasia CT 17 12116 730623
Giarre CT 17 27659 758282
Riposto CT 18 14838 773120
Sant'Alfio CT 19 1582 774702
Ragalna CT 19 3924 778626

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km SW of Acireale (52622 inhabitants)
10 Km NE of Catania (314555 inhabitants)
59 Km N of Siracusa (122291 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
78 Km SW of Messina (238439 inhabitants)
81 Km NE of Ragusa (73313 inhabitants)
87 Km NE of Modica (54633 inhabitants)
88 Km NE of Vittoria (63339 inhabitants)
96 Km E of Caltanissetta (63360 inhabitants)
97 Km NE of Gela (75827 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
Md 2.1
ML 2.1
2010-04-09
06:26:05
37.578 15.145 1 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1028509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-04-09 06:26:05 ± 0.77
Latitude 37.5780 ± 0.0324
Longitude 15.1450 ± 0.0250
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1028509

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3789
Semi-minor axis of confidence ellipse (meter) 2000
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 4219.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 273
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.77
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80849
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 1028509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:45:36

Md:2.1

Field Value
Value 2.1
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1028509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:45:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHN. 2010-04-09T06:26:42.31 10.0 undecidable manual Pg 0 0 0
IV.IVPL.HHN. 2010-04-09T06:26:34.75 0.6 undecidable manual Sg 351 89.7435 0.946 33
IV.IVPL.HHN. 2010-04-09T06:26:21.38 0.3 undecidable manual Pg 351 89.7435 -0.32 62
IV.MILZ.HHE. 2010-04-09T06:26:19.11 0.3 undecidable manual Pg 6 77.2671 -0.673 57
IV.MMME.HHZ. 2010-04-09T06:26:19.87 0.6 undecidable manual Sg 13 40.7259 0.565 42
IV.GALF.HHN. 2010-04-09T06:26:16.73 0.3 undecidable manual Pg 286 52.9026 0.958 53
IV.MMME.HHZ. 2010-04-09T06:26:13.22 0.1 undecidable manual Pg 13 40.7259 -0.109 95
IV.ESLN.HHZ. 2010-04-09T06:26:11.48 0.3 undecidable manual Sg 310 19.6692 -0.536 67
IV.ESLN.HHZ. 2010-04-09T06:26:09.11 0.1 undecidable manual Pg 310 19.6692 -0.013 100
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