Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 28-02-2020 and time 18:08:44 (UTC) in region 2 km W Monte Sant'Angelo (FG)

A magnitude ML 1.6 earthquake occured in region: 2 km W Monte Sant'Angelo (FG), on

  • 28-02-2020 18:08:44 (UTC)
  • 28-02-2020 19:08:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7060, 15.9310 at 21 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
Monte Sant'Angelo FG 2 12657 12657
Manfredonia FG 9 57279 69936
Mattinata FG 10 6310 76246
Carpino FG 17 4182 80428
San Giovanni Rotondo FG 17 27184 107612
Cagnano Varano FG 19 7330 114942

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km N of Manfredonia (57279 inhabitants)
42 Km NE of Foggia (151991 inhabitants)
46 Km E of San Severo (53905 inhabitants)
49 Km N of Cerignola (58396 inhabitants)
52 Km NW of Barletta (94814 inhabitants)
61 Km NW of Andria (100440 inhabitants)
63 Km NW of Trani (56217 inhabitants)
70 Km NW of Bisceglie (55422 inhabitants)
79 Km NW of Molfetta (59874 inhabitants)
92 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 1.6 2020-02-28
18:08:44		 41.7055 15.931 21 2020-07-18
21:08:26		 Bollettino Sismico Italiano INGV 77321551
Reviewed
Rev100 		ML 1.6 2020-02-28
18:08:44		 41.7092 15.9212 22 2020-02-28
18:22:20		 Sala Sismica INGV-Roma 76901481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-28 18:08:44 ± 0.17
Latitude 41.7055 ± 0.0081
Longitude 15.9310 ± 0.0084
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77321551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 771
Semi-minor axis of confidence ellipse (meter) 591
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 30
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94429
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 76901481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-28 18:22:20

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 77321551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-17 10:46:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMI.HHZ. 2020-02-28T18:10:27.90 3.0 undecidable manual Pg 17.99 0
IV.CAGR.HHZ. 2020-02-28T18:10:23.64 3.0 undecidable manual Sg 4.01 0
TV.SF04.EHZ. 2020-02-28T18:10:19.98 3.0 undecidable manual Sg 6.88 0
IV.NARO.HHZ. 2020-02-28T18:10:08.04 3.0 undecidable manual Sn -1.8 0
RF.GEPF.HHZ. 2020-02-28T18:10:07.09 3.0 positive manual Pg 12.25 0
IV.MBAL.EHZ. 2020-02-28T18:10:02.65 3.0 negative manual Pn 2.82 0
IV.ARVD.HHZ. 2020-02-28T18:09:59.15 3.0 undecidable manual Sn -4.14 0
IV.MNTV.HNZ. 2020-02-28T18:09:57.86 3.0 undecidable manual Pn 3.01 0
IV.SENI.EHZ. 2020-02-28T18:09:52.80 3.0 undecidable manual Sn -9.99 0
IV.IMOL.HNZ. 2020-02-28T18:09:39.84 3.0 negative manual Pn -0.76 0
XK.GIZZ.HHZ. 2020-02-28T18:09:35.42 3.0 undecidable manual Sg -7.43 0
IV.SSP9.EHZ. 2020-02-28T18:09:27.89 3.0 positive manual Pn -2.71 0
IV.AMUR.HHN. 2020-02-28T18:09:14.80 0.3 undecidable manual S 147 104.8173 96 -0.6 55
IV.CIGN.HHZ. 2020-02-28T18:09:10.72 0.3 undecidable manual S 267 85.1481 98 0.52 59
IV.PALZ.HHZ. 2020-02-28T18:09:10.68 0.3 undecidable manual S 178 84.4488 98 0.67 55
IV.SGTA.HNZ. 2020-02-28T18:09:08.94 0.1 undecidable manual S 217 78.8655 98 0.41 81
IV.MRVN.HHZ. 2020-02-28T18:09:07.71 0.1 undecidable manual S 163 74.8695 99 0.25 84
IV.MELA.HHE. 2020-02-28T18:09:05.99 0.1 undecidable manual S 270 66.5778 100 0.7 76
IV.CAPA.HNZ. 2020-02-28T18:09:03.85 0.3 undecidable manual S 189 61.3941 101 -0.09 67
IV.AMUR.HHN. 2020-02-28T18:09:01.86 0.3 undecidable manual P 147 104.8173 96 -0.62 54
IV.CIGN.HHZ. 2020-02-28T18:08:59.73 0.3 undecidable manual P 267 85.1481 98 0.25 62
IV.PALZ.HHZ. 2020-02-28T18:08:59.54 0.3 undecidable manual P 178 84.4488 98 0.17 63
IV.SGTA.HNZ. 2020-02-28T18:08:58.80 0.1 undecidable manual P 217 78.8655 98 0.29 83
IV.MRVN.HHZ. 2020-02-28T18:08:57.73 0.1 undecidable manual P 163 74.8695 99 -0.17 86
IV.MELA.HHE. 2020-02-28T18:08:56.78 0.1 undecidable manual P 270 66.5778 100 0.14 88
IV.CAPA.HNZ. 2020-02-28T18:08:55.66 0.3 undecidable manual P 189 61.3941 101 -0.2 66
OT.OT04.EHN. 2020-02-28T18:08:55.41 0.1 undecidable manual S 273 29.0487 117 -0.29 91
OT.OT13.EHE. 2020-02-28T18:08:55.59 0.1 undecidable manual S 47 28.2495 118 0.07 95
OT.OT06.EHZ. 2020-02-28T18:08:55.22 0.1 undecidable manual S 266 27.9498 118 -0.23 92
OT.OT05.EHN. 2020-02-28T18:08:54.47 0.1 undecidable manual S 259 27.6501 119 -0.91 73
OT.OT03.EHZ. 2020-02-28T18:08:54.29 0.1 undecidable manual S 272 23.2545 124 -0.09 96
IV.SGRT.HHZ. 2020-02-28T18:08:53.12 0.1 undecidable manual S 289 16.4724 136 0.15 96
IV.MSAG.HHZ. 2020-02-28T18:08:51.85 0.1 undecidable manual S 292 1.8981 174 0.59 87
OT.OT13.EHE. 2020-02-28T18:08:51.02 0.1 positive manual P 47 28.2495 118 0.01 96
OT.OT12.EHZ. 2020-02-28T18:08:51.98 0.1 undecidable manual S 193 8.3805 155 0.24 95
OT.OT03.EHZ. 2020-02-28T18:08:50.18 0.1 positive manual P 272 23.2545 124 -0.17 95
OT.OT06.EHZ. 2020-02-28T18:08:50.70 0.1 negative manual P 266 27.9498 118 -0.26 92
OT.OT04.EHN. 2020-02-28T18:08:50.85 0.1 negative manual P 273 29.0487 117 -0.26 92
OT.OT05.EHN. 2020-02-28T18:08:50.02 0.1 positive manual P 259 27.6501 119 -0.9 74
IV.SGRT.HHZ. 2020-02-28T18:08:49.52 0.1 undecidable manual P 289 16.4724 136 -0.01 99
IV.MSAG.HHZ. 2020-02-28T18:08:48.78 0.1 positive manual P 292 1.8981 174 0.23 96
OT.OT12.EHZ. 2020-02-28T18:08:48.81 0.1 positive manual P 193 8.3805 155 -0.01 100
IV.PZUN.HHZ. 2020-02-28T18:08:41.44 3.0 positive manual P -5.57 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSAG.HNN. ML:1.6 0.00034577399999999997 0.1792 AML other m 2020-02-28T18:08:52.15
IV.MSAG.HHN. ML:1.2 0.00014732124999999998 0.1792 AML other m 2020-02-28T18:08:52.15
IV.SGRT.HHN. ML:1.8 0.0003621281 0.1024 AML other m 2020-02-28T18:08:53.24
IV.SGRT.HHE. ML:1.6 0.00024860925 0.1408 AML other m 2020-02-28T18:08:53.25
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