Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 28-02-2018 and time 07:30:10 (Italy) in region 8 km S Vico del Gargano (FG)

A magnitude ML 2.3 earthquake occured in region: 8 km S Vico del Gargano (FG), on

  • 28-02-2018 06:30:10 (UTC)
  • 28-02-2018 07:30:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8240, 15.9690 at 9 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
Vico del Gargano FG 8 7766 7766
Carpino FG 10 4182 11948
Ischitella FG 11 4432 16380
Monte Sant'Angelo FG 13 12657 29037
Rodi Garganico FG 14 3693 32730
Mattinata FG 14 6310 39040
Peschici FG 14 4521 43561
Cagnano Varano FG 16 7330 50891
Vieste FG 19 13975 64866

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Manfredonia (57279 inhabitants)
51 Km E of San Severo (53905 inhabitants)
54 Km NE of Foggia (151991 inhabitants)
62 Km NW of Barletta (94814 inhabitants)
62 Km N of Cerignola (58396 inhabitants)
72 Km NW of Trani (56217 inhabitants)
72 Km NW of Andria (100440 inhabitants)
78 Km NW of Bisceglie (55422 inhabitants)
87 Km NW of Molfetta (59874 inhabitants)
100 Km NW of Bitonto (55540 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 2.3 2018-02-28
06:30:10		 41.8243 15.9693 9 2019-04-24
14:49:43		 Bollettino Sismico Italiano INGV 60333611
Reviewed
Rev100 		ML 2.3 2018-02-28
06:30:10		 41.8057 15.9568 7 2018-02-28
06:43:22		 Sala Sismica INGV-Roma 54214541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-28 06:30:10 ± 0.24
Latitude 41.8243 ± 0.0153
Longitude 15.9693 ± 0.0145
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 60333611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1896
Semi-minor axis of confidence ellipse (meter) 728
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 1900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 241
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.32200
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 60333611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-29 10:29:21

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 54214541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-28 06:43:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2018-02-28T06:31:59.64 3.0 undecidable manual Sn -1.37 0
CH.BERNI.HHZ. 2018-02-28T06:31:52.04 3.0 negative manual Pn 8.03 0
IV.CNCS.HNZ. 2018-02-28T06:31:35.77 3.0 undecidable manual Pn 0.58 0
IV.FERS.HNZ. 2018-02-28T06:31:32.94 3.0 undecidable manual Pg 13.79 0
AC.VLO.HHZ. 2018-02-28T06:31:32.60 3.0 undecidable manual Sn -0.58 0
IV.RIBO.EHZ.01 2018-02-28T06:31:23.10 3.0 positive manual Pg 12.6 0
IV.BDI.HHZ. 2018-02-28T06:31:23.53 3.0 negative manual Pn 3.21 0
IV.LRP.EHZ. 2018-02-28T06:31:09.41 3.0 undecidable manual Sg 0.61 0
IV.ORI.HHZ. 2018-02-28T06:31:05.68 3.0 undecidable manual Sn -0.11 0
IV.AMUR.HHZ. 2018-02-28T06:30:44.20 0.6 undecidable manual S 152 114.6963 50 0.02 44
IV.ACER.HHZ. 2018-02-28T06:30:44.59 0.3 undecidable manual S 181 115.0959 50 0.28 63
IV.VULT.HHZ. 2018-02-28T06:30:40.38 0.3 undecidable manual S 197 100.8213 50 -0.11 67
IV.PALZ.HHZ. 2018-02-28T06:30:39.72 0.3 undecidable manual S 180 97.6245 50 0.08 68
IV.SGTA.HHZ. 2018-02-28T06:30:37.80 0.6 undecidable manual S 213 91.4418 50 -0.2 45
IV.MRVN.HHZ. 2018-02-28T06:30:36.78 0.3 undecidable manual S 167 86.7465 50 0.05 69
IV.NOCI.HHZ. 2018-02-28T06:30:35.36 0.6 undecidable manual P 141 146.742 50 0.41 38
IV.MELA.HHZ. 2018-02-28T06:30:32.75 0.1 undecidable manual S 260 70.8735 50 0.24 92
IV.ACER.HHZ. 2018-02-28T06:30:30.20 0.1 undecidable manual P 181 115.0959 50 0.12 86
IV.AMUR.HHZ. 2018-02-28T06:30:29.62 0.6 undecidable manual P 152 114.6963 50 -0.39 41
IV.VULT.HHZ. 2018-02-28T06:30:28.04 0.1 undecidable manual P 197 100.8213 50 0.16 88
IV.PALZ.HHZ. 2018-02-28T06:30:27.37 0.1 undecidable manual P 180 97.6245 50 -0.02 91
IV.SGTA.HHZ. 2018-02-28T06:30:26.46 0.1 undecidable manual P 213 91.4418 50 0.02 92
IV.MRVN.HHZ. 2018-02-28T06:30:25.18 0.1 undecidable manual P 167 86.7465 50 -0.53 83
IV.MELA.HHZ. 2018-02-28T06:30:23.34 0.1 undecidable manual P 260 70.8735 50 0.07 95
IV.APRC.HHZ. 2018-02-28T06:30:22.84 0.1 undecidable manual S 258 36.0417 50 -0.35 96
IV.APRC.HHZ. 2018-02-28T06:30:18.03 0.1 positive manual P 258 36.0417 50 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APRC.HHE. ML:2.5 0.0013 0.98 AML other m 2018-02-28T06:30:23.53
IV.APRC.HHN. ML:2.4 0.0009125000000000001 0.6 AML other m 2018-02-28T06:30:23.12
IV.MELA.HHE. ML:2.4 0.000421 0.24 AML other m 2018-02-28T06:30:33.18
IV.MELA.HHN. ML:2.4 0.00045100000000000007 0.44 AML other m 2018-02-28T06:30:33.01
IV.MRVN.HHN. ML:1.9 0.0001019 0.74 AML other m 2018-02-28T06:30:37.12
IV.MRVN.HHE. ML:2.0 0.00012045 1.3 AML other m 2018-02-28T06:30:37.12
IV.VULT.HHN. ML:2.3 0.00018099999999999998 1.08 AML other m 2018-02-28T06:30:43.62
IV.VULT.HHE. ML:2.2 0.000148 1.38 AML other m 2018-02-28T06:30:43.87
IV.ACER.HHE. ML:2.2 0.000118 0.72 AML other m 2018-02-28T06:30:45.02
IV.AMUR.HHE. ML:2.2 0.00013800000000000002 1.04 AML other m 2018-02-28T06:30:45.81
IV.ACER.HHN. ML:2.2 0.0001206 0.62 AML other m 2018-02-28T06:30:45.60
IV.AMUR.HHN. ML:2.2 0.0001244 1.42 AML other m 2018-02-28T06:30:47.18
IV.ORI.HHE. ML:2.9 0.00023349999999999998 0.22 AML other m 2018-02-28T06:31:09.33
IV.ORI.HHN. ML:2.6 0.0001175 0.34 AML other m 2018-02-28T06:31:20.41
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