Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 31-01-2017 and time 17:33:58 (Italy) in region 2 km SE Barcellona Pozzo di Gotto (ME)

A magnitude ML 1.0 earthquake occured in region: 2 km SE Barcellona Pozzo di Gotto (ME), on

  • 31-01-2017 16:33:58 (UTC)
  • 31-01-2017 17:33:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1350, 15.2420 at 5 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
Barcellona Pozzo di Gotto ME 3 41583 41583
Santa Lucia del Mela ME 4 4650 46233
Merì ME 4 2338 48571
Castroreale ME 5 2504 51075
San Filippo del Mela ME 5 7115 58190
Rodì Milici ME 7 2056 60246
Terme Vigliatore ME 7 7395 67641
Gualtieri Sicaminò ME 7 1807 69448
Pace del Mela ME 8 6239 75687
Condrò ME 9 493 76180
Milazzo ME 10 31646 107826
San Pier Niceto ME 10 2837 110663
Mazzarrà Sant'Andrea ME 10 1531 112194
Furnari ME 11 3784 115978
Torregrotta ME 12 7431 123409
Monforte San Giorgio ME 13 2777 126186
Roccavaldina ME 13 1133 127319
Valdina ME 13 1355 128674
Falcone ME 14 2808 131482
Venetico ME 14 3911 135393
Spadafora ME 15 5021 140414
Tripi ME 16 873 141287
Rometta ME 16 6650 147937
Oliveri ME 16 2181 150118
Mandanici ME 16 601 150719
Novara di Sicilia ME 16 1337 152056
Fiumedinisi ME 17 1409 153465
Fondachelli-Fantina ME 18 1019 154484
Antillo ME 18 919 155403
Basicò ME 18 612 156015
Saponara ME 18 3988 160003
Pagliara ME 19 1170 161173
Alì ME 20 768 161941
Itala ME 20 1640 163581

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Messina (238439 inhabitants)
35 Km W of Reggio di Calabria (183035 inhabitants)
58 Km N of Acireale (52622 inhabitants)
71 Km N of Catania (314555 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 1.0 2017-01-31
16:33:58		 38.1347 15.2418 5 2018-01-10
09:44:35		 Bollettino Sismico Italiano INGV 50775331
Reviewed
Rev100 		ML 1.7 2017-01-31
16:33:53		 38.2972 14.8078 10 2017-01-31
16:42:58		 Sala Sismica INGV-Roma 40245491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-31 16:33:58 ± 0.09
Latitude 38.1347 ± 0.0009
Longitude 15.2418 ± 0.0034
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50775331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 218
Semi-minor axis of confidence ellipse (meter) 182
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.13490
Epicentral distance of station farthest from the epicenter (degree) 0.24551
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 40245491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-31 16:42:58

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 50775331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-11 13:47:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2017-01-31T16:34:07.80 0.6 undecidable manual S 58 27.2505 100 0.03 49
IV.AIO.HHE. 2017-01-31T16:34:04.69 0.6 undecidable manual S 182 18.1707 105 0.03 49
IV.MSRU.HHZ. 2017-01-31T16:34:03.62 0.1 undecidable manual P 58 27.2505 100 -0.08 96
IV.MILZ.HHZ. 2017-01-31T16:34:03.68 0.1 undecidable manual S 357 15.1737 108 0 100
IV.NOV.HHZ. 2017-01-31T16:34:03.52 0.6 undecidable manual S 218 14.9739 108 -0.09 49
IV.NOV.HHZ. 2017-01-31T16:34:01.30 0.1 negative manual P 218 14.9739 108 0 100
IV.MILZ.HHZ. 2017-01-31T16:34:01.38 0.1 negative manual P 357 15.1737 108 0.04 99
IV.AIO.HHE. 2017-01-31T16:34:01.96 0.1 undecidable manual P 182 18.1707 105 0.05 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHN. ML:1.2 0.0001583314 0.2176 AML other m 2017-01-31T16:34:03.86
IV.MILZ.HHE. ML:1.3 0.00024080285000000002 0.32 AML other m 2017-01-31T16:34:03.81
IV.NOV.HHN. ML:0.5 0.0000351082 0.32 AML other m 2017-01-31T16:34:06.53
IV.MSRU.HHE. ML:0.8 0.000036300689999999995 0.2432 AML other m 2017-01-31T16:34:08.11
IV.MSRU.HHN. ML:0.9 0.00004580276499999999 0.3712 AML other m 2017-01-31T16:34:08.15
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