Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 09-03-2020 and time 08:40:36 (UTC) in region 4 km W Monterosso Almo (RG)

A magnitude ML 2.2 earthquake occured in region: 4 km W Monterosso Almo (RG), on

  • 09-03-2020 08:40:36 (UTC)
  • 09-03-2020 09:40:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.0780, 14.7200 at 16 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monterosso Almo RG 4 3032 3032
Chiaramonte Gulfi RG 5 8238 11270
Giarratana RG 7 3048 14318
Licodia Eubea CT 9 3081 17399
Vizzini CT 10 6241 23640
Buccheri SR 13 1999 25639
Mazzarrone CT 14 4078 29717
Buscemi SR 15 1051 30768
Palazzolo Acreide SR 16 8808 39576
Ragusa RG 17 73313 112889
Grammichele CT 17 13418 126307
Comiso RG 18 30156 156463

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Ragusa (73313 inhabitants)
22 Km NE of Vittoria (63339 inhabitants)
25 Km N of Modica (54633 inhabitants)
42 Km E of Gela (75827 inhabitants)
51 Km W of Siracusa (122291 inhabitants)
58 Km SW of Catania (314555 inhabitants)
72 Km SW of Acireale (52622 inhabitants)
74 Km SE of Caltanissetta (63360 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 2.2 2020-03-09
08:40:36		 37.0777 14.7202 16 2020-07-18
21:08:26		 Bollettino Sismico Italiano INGV 77233861
Reviewed
Rev100 		ML 2.2 2020-03-09
08:40:35		 37.0797 14.7212 17 2020-03-09
08:48:57		 Sala Sismica INGV-Roma 77147761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-09 08:40:36 ± 0.14
Latitude 37.0777 ± 0.0072
Longitude 14.7202 ± 0.0090
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77233861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 899
Semi-minor axis of confidence ellipse (meter) 121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 139
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) 71
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75363
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 77233861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-13 08:08:28

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 77147761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-09 08:48:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCIAC.HHZ. 2020-03-09T08:41:14.12 3.0 undecidable manual P 0
IV.EPZF.HHZ. 2020-03-09T08:41:01.16 0.3 undecidable manual S 8 83.6496 94 0.24 64
IV.CLTA.HHZ. 2020-03-09T08:40:57.34 0.3 undecidable manual S 278 67.6767 95 0.69 59
IV.EPZF.HHZ. 2020-03-09T08:40:50.95 0.1 undecidable manual P 8 83.6496 94 0.53 79
IV.CLTA.HHZ. 2020-03-09T08:40:48.58 0.1 undecidable manual P 278 67.6767 95 0.62 80
IV.HLNI.HHZ. 2020-03-09T08:40:47.15 0.3 undecidable manual S 24 32.9448 103 -0.32 70
IV.SSY.HHZ. 2020-03-09T08:40:47.17 0.6 undecidable manual S 74 32.5452 104 -0.2 48
IV.RAFF.HHZ. 2020-03-09T08:40:47.42 0.3 undecidable manual S 297 35.4423 102 -0.72 61
IV.CROCE.HHZ. 2020-03-09T08:40:47.11 0.1 undecidable manual S 211 31.746 104 -0.07 97
IV.HPAC.HHE. 2020-03-09T08:40:45.23 0.3 undecidable manual P 145 49.7169 97 0.03 72
IV.HAGA.HHZ. 2020-03-09T08:40:44.04 0.1 undecidable manual P 59 44.8218 99 -0.42 90
IV.ACATE.EHZ. 2020-03-09T08:40:44.48 0.1 undecidable manual S 253 20.3685 116 0.19 99
IV.RAFF.HHZ. 2020-03-09T08:40:43.19 0.1 undecidable manual P 297 35.4423 102 0.14 96
IT.GEA.HGN. 2020-03-09T08:40:43.45 0.1 undecidable manual P 266 35.9418 102 0.33 92
IV.HVZN.HNZ. 2020-03-09T08:40:42.19 0.1 undecidable manual S 358 11.1777 137 -0.14 100
IV.CROCE.HHZ. 2020-03-09T08:40:42.00 0.1 undecidable manual P 211 31.746 104 -0.49 89
IV.MEU.EHZ. 2020-03-09T08:40:42.92 0.3 undecidable manual S 69 10.3785 140 0.73 64
IV.HLNI.HHZ. 2020-03-09T08:40:42.20 0.1 undecidable manual P 24 32.9448 103 -0.46 91
IV.SSY.HHZ. 2020-03-09T08:40:42.61 0.1 undecidable manual P 74 32.5452 104 0.01 98
IV.ACATE.EHZ. 2020-03-09T08:40:40.43 0.1 undecidable manual P 253 20.3685 116 -0.39 93
IV.HVZN.HNZ. 2020-03-09T08:40:39.52 0.1 undecidable manual P 358 11.1777 137 -0.17 99
IV.MEU.EHZ. 2020-03-09T08:40:39.76 0.1 negative manual P 69 10.3785 140 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HVZN.HNN. ML:2.5 0.00296 1.2 AML other m 2020-03-09T08:40:42.14
IV.MEU.EHE. ML:2.5 0.00298 0.28 AML other m 2020-03-09T08:40:43.28
IV.MEU.EHN. ML:2.8 0.005825 0.3 AML other m 2020-03-09T08:40:43.30
IV.HVZN.HNE. ML:2.4 0.0021000000000000003 1.14 AML other m 2020-03-09T08:40:43.36
IV.ACATE.HNN. ML:2.0 0.000632 1.04 AML other m 2020-03-09T08:40:45.65
IV.ACATE.EHN. ML:1.9 0.0005415 1.04 AML other m 2020-03-09T08:40:45.66
IV.ACATE.EHE. ML:2.0 0.0006839999999999999 0.8 AML other m 2020-03-09T08:40:46.73
IV.ACATE.HNE. ML:2.1 0.000752 0.38 AML other m 2020-03-09T08:40:46.73
IV.CROCE.HHE. ML:1.7 0.0002155 0.44 AML other m 2020-03-09T08:40:47.33
IV.CROCE.HNN. ML:1.8 0.00027949999999999996 0.32 AML other m 2020-03-09T08:40:47.11
IV.CROCE.HHN. ML:1.7 0.00023199999999999997 0.34 AML other m 2020-03-09T08:40:47.11
IV.HLNI.HHN. ML:2.6 0.0016099999999999999 0.46 AML other m 2020-03-09T08:40:47.62
IV.HLNI.HHE. ML:2.4 0.0009404999999999999 0.64 AML other m 2020-03-09T08:40:47.63
IV.CROCE.HNE. ML:1.8 0.00028900000000000003 1.04 AML other m 2020-03-09T08:40:47.84
IV.SSY.HHE. ML:2.8 0.002335 0.92 AML other m 2020-03-09T08:40:48.87
IV.SSY.HHN. ML:3.0 0.00417 0.44 AML other m 2020-03-09T08:40:48.86
IV.RAFF.HHN. ML:2.1 0.000488 1.4 AML other m 2020-03-09T08:40:49.22
IV.RAFF.HHE. ML:2.2 0.0006045 0.2 AML other m 2020-03-09T08:40:50.14
IV.CLTA.HHE. ML:2.3 0.00034599999999999995 0.54 AML other m 2020-03-09T08:41:00.76
IV.CLTA.HHN. ML:2.1 0.000199 0.4 AML other m 2020-03-09T08:41:00.67
IV.EPZF.HHE. ML:2.3 0.00022899999999999998 1.32 AML other m 2020-03-09T08:41:07.09
IV.SCIAC.HHE. ML:2.1 0.00006584999999999999 0.44 AML other m 2020-03-09T08:41:10.57
IV.EPZF.HHN. ML:2.3 0.0002335 0.9 AML other m 2020-03-09T08:41:14.39
IV.SCIAC.HHN. ML:2.2 0.0000708 0.64 AML other m 2020-03-09T08:41:20.73
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