Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 22-03-2017 and time 10:05:35 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.2 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 22-03-2017 09:05:35 (UTC)
  • 22-03-2017 10:05:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1880, 14.3240 at 10 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
Santo Stefano di Camastra ME 19 4694 4694

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km E of Bagheria (55387 inhabitants)
81 Km N of Caltanissetta (63360 inhabitants)
84 Km E of Palermo (674435 inhabitants)
98 Km NW of Acireale (52622 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 1.2 2017-03-22
09:05:35		 38.1878 14.3238 10 2018-01-10
09:55:04		 Bollettino Sismico Italiano INGV 50034521
Reviewed
Rev100 		ML 1.2 2017-03-22
09:05:35		 38.1828 14.3223 10 2017-03-22
09:18:47		 Sala Sismica INGV-Roma 42776721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-22 09:05:35 ± 0.37
Latitude 38.1878 ± 0.0243
Longitude 14.3238 ± 0.0126
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50034521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2730
Semi-minor axis of confidence ellipse (meter) 890
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 347
Circular confidence region, given by single value of horizontal uncertainty (meter) 2730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 238
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.24102
Epicentral distance of station farthest from the epicenter (degree) 0.45596
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 50034521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-13 06:59:37

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 42776721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-22 09:18:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PETRA.HHZ. 2017-03-22T09:05:50.33 0.6 undecidable manual S 205 43.3233 50 0.3 49
IV.MNO.SHE. 2017-03-22T09:05:50.17 0.6 undecidable manual S 131 43.1235 50 0.19 50
IV.GIB.HHZ. 2017-03-22T09:05:48.05 0.6 undecidable manual S 230 34.0437 50 0.51 48
IV.CSLB.HHZ. 2017-03-22T09:05:47.30 0.6 undecidable manual S 220 36.2415 50 -0.83 42
IV.PLLN.EHZ. 2017-03-22T09:05:45.79 0.6 undecidable manual S 216 26.751 50 0.17 52
IV.MUCR.HHZ. 2017-03-22T09:05:45.53 0.6 undecidable manual P 108 50.616 50 0.37 48
IV.MNO.SHE. 2017-03-22T09:05:43.95 0.3 undecidable manual P 131 43.1235 50 -0.05 77
IV.GIB.HHZ. 2017-03-22T09:05:43.05 0.6 undecidable manual P 230 34.0437 50 0.45 48
IV.PETRA.HHZ. 2017-03-22T09:05:43.65 0.3 undecidable manual P 205 43.3233 50 -0.38 72
IV.CSLB.HHZ. 2017-03-22T09:05:42.67 0.1 undecidable manual P 220 36.2415 50 -0.27 100
IV.PLLN.EHZ. 2017-03-22T09:05:41.68 0.3 undecidable manual P 216 26.751 50 0.19 77
IV.MSFR.HHZ. 2017-03-22T09:05:41.56 0.3 undecidable manual P 126 28.9488 50 -0.25 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHN. ML:1.0 0.00003359227 1.3376 AML other m 2017-03-22T09:05:46.16
IV.CSLB.HHE. ML:0.9 0.000027723989999999997 0.3584 AML other m 2017-03-22T09:05:49.27
IV.PETRA.HHN. ML:1.3 0.00006568885499999998 0.32 AML other m 2017-03-22T09:05:52.46
IV.PETRA.HHE. ML:1.2 0.00005320931500000001 1.6224 AML other m 2017-03-22T09:05:53.92
IV.PLLN.EHE. ML:1.2 0.00008772411 0.416 AML other m 2017-03-22T09:05:48.38
IV.PLLN.EHN. ML:1.6 0.0002112935 0.3776 AML other m 2017-03-22T09:05:47.63
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