Earthquake with magnitude of ML 1.8 on date 31-05-2021 and time 18:01:36 (Italy) in region 3 km E Vico del Gargano (FG)

A magnitude ML 1.8 earthquake occured in region: 3 km E Vico del Gargano (FG), on

  • 31-05-2021 16:01:36 (UTC)
  • 31-05-2021 18:01:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8920, 15.9860 at 36 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.

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 3 7766 7766
Peschici FG 7 4521 12287
Ischitella FG 7 4432 16719
Rodi Garganico FG 10 3693 20412
Carpino FG 12 4182 24594
Vieste FG 16 13975 38569
Cagnano Varano FG 19 7330 45899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Manfredonia (57279 inhabitants)
55 Km E of San Severo (53905 inhabitants)
60 Km NE of Foggia (151991 inhabitants)
68 Km NW of Barletta (94814 inhabitants)
70 Km N of Cerignola (58396 inhabitants)
77 Km NW of Trani (56217 inhabitants)
78 Km NW of Andria (100440 inhabitants)
84 Km NW of Bisceglie (55422 inhabitants)
92 Km NW of Molfetta (59874 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 1.8 2021-05-31
16:01:36
41.8918 15.9863 36 2021-12-29
11:12:06
Bollettino Sismico Italiano INGV 91652201
Reviewed
Rev100
ML 1.8 2021-05-31
16:01:36
41.9162 15.9725 35 2021-05-31
16:10:19
Sala Sismica INGV-Roma 90667051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-31 16:01:36 ± 0.13
Latitude 41.8918 ± 0.0072
Longitude 15.9863 ± 0.0085
Depth (km) 36 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91652201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 738
Semi-minor axis of confidence ellipse (meter) 724
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84536
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 90667051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-31 16:10:19

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 91652201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-14 10:52:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAPR.HNZ. 2021-05-31T16:03:22.07 3.0 undecidable manual Pg 21.549999 0
IV.BRSN.EHZ. 2021-05-31T16:03:18.96 3.0 undecidable manual Sn 3.34 0
IT.FIE.HGZ. 2021-05-31T16:03:18.32 3.0 undecidable manual Sn -2.5 0
IV.VOBA.EHZ. 2021-05-31T16:03:14.31 3.0 negative manual Pg 17.940001 0
IV.HVIT.HHZ. 2021-05-31T16:03:06.54 3.0 negative manual Pg 16.870001 0
IV.PE3.EHZ. 2021-05-31T16:03:02.69 3.0 undecidable manual Sn 1.54 0
IV.COR1.EHZ. 2021-05-31T16:02:59.29 3.0 undecidable manual Sg 6.29 0
IV.RMP.HHZ. 2021-05-31T16:02:53.44 3.0 undecidable manual Sg 9.48 0
IV.NDIM.HNZ. 2021-05-31T16:02:52.83 3.0 negative manual Pn 6.03 0
IV.PIPA.HHZ. 2021-05-31T16:02:45.06 3.0 undecidable manual Sn 0.91 0
IV.BRSN.EHZ. 2021-05-31T16:02:44.28 3.0 negative manual Pg 11.73 0
IV.RIBO.EHZ.01 2021-05-31T16:02:44.91 3.0 undecidable manual Pg 11.42 0
IV.IMOL.HNZ. 2021-05-31T16:02:38.79 3.0 negative manual Pn 2.98 0
IV.ESML.HHZ. 2021-05-31T16:02:36.71 3.0 negative manual Pn -3.77 0
CR.STON.BHZ. 2021-05-31T16:02:24.22 3.0 undecidable manual Sg 0.47 0
IV.PIPA.HHZ. 2021-05-31T16:02:22.11 3.0 undecidable manual Pg 7.24 0
IV.SELL.HHZ. 2021-05-31T16:02:21.37 3.0 positive manual Pn 0.18 0
IV.GIZZ.HHZ. 2021-05-31T16:02:20.43 3.0 negative manual Pn -0.3 0
IV.SPS2.HHZ. 2021-05-31T16:02:17.86 3.0 undecidable manual Pn 1.27 0
IV.PZUN.HHZ. 2021-05-31T16:02:13.27 3.0 undecidable manual Sn -0.75 0
IV.MRVN.HHZ. 2021-05-31T16:02:03.73 0.3 undecidable manual S 169 93.8394 54 -0.55 57
IV.TREM.HHZ. 2021-05-31T16:01:53.21 0.3 undecidable manual S 303 46.9197 124 -0.46 66
IV.MRVN.HHZ. 2021-05-31T16:01:52.40 0.6 undecidable manual P 169 93.8394 54 -0.17 42
OT.OT06.EHE. 2021-05-31T16:01:52.07 0.3 undecidable manual S 235 39.627 129 -0.05 71
OT.OT05.EHZ. 2021-05-31T16:01:52.19 0.3 undecidable manual S 231 40.9257 128 -0.18 69
OT.OT07.EHE. 2021-05-31T16:01:51.73 0.3 undecidable manual S 216 37.2294 131 0.11 71
OT.OT04.EHE. 2021-05-31T16:01:51.64 0.3 undecidable manual S 240 38.628 130 -0.25 69
OT.OT03.EHE. 2021-05-31T16:01:51.11 0.3 undecidable manual S 235 34.2435 133 0.09 71
IV.APRC.HHZ. 2021-05-31T16:01:51.82 0.3 undecidable manual S 248 39.5271 129 -0.27 68
OT.OT12.EHN. 2021-05-31T16:01:50.13 0.3 undecidable manual S 193 29.5482 138 -0.02 72
IV.SGRT.HHZ. 2021-05-31T16:01:49.04 0.3 undecidable manual S 233 25.1526 143 -0.36 69
OT.OT16.EHZ. 2021-05-31T16:01:49.27 0.3 undecidable manual P 265 67.6767 114 0.01 68
IV.MSAG.HHZ. 2021-05-31T16:01:48.90 0.3 undecidable manual S 198 20.9679 148 0.15 73
OT.OT14.EHZ. 2021-05-31T16:01:47.17 0.3 undecidable manual S 275 6.5934 169 -0.14 74
OT.OT13.EHZ. 2021-05-31T16:01:47.69 0.3 undecidable manual S 94 15.9729 154 -0.42 68
IV.TREM.HHZ. 2021-05-31T16:01:46.23 0.3 undecidable manual P 303 46.9197 124 -0.21 69
OT.OT03.EHE. 2021-05-31T16:01:45.18 0.3 undecidable manual P 235 34.2435 133 0.27 69
IV.APRC.HHZ. 2021-05-31T16:01:45.81 0.3 undecidable manual P 248 39.5271 129 0.28 68
OT.OT06.EHE. 2021-05-31T16:01:45.58 0.3 undecidable manual P 235 39.627 129 0.04 71
OT.OT05.EHZ. 2021-05-31T16:01:45.88 0.3 undecidable manual P 231 40.9257 128 0.19 69
OT.OT07.EHE. 2021-05-31T16:01:45.40 0.3 undecidable manual P 216 37.2294 131 0.14 70
OT.OT04.EHE. 2021-05-31T16:01:45.61 0.3 undecidable manual P 240 38.628 130 0.2 69
IV.MSAG.HHZ. 2021-05-31T16:01:44.03 0.1 undecidable manual P 198 20.9679 148 0.43 91
IV.SGRT.HHZ. 2021-05-31T16:01:44.32 0.3 undecidable manual P 233 25.1526 143 0.35 69
OT.OT12.EHN. 2021-05-31T16:01:44.49 0.3 undecidable manual P 193 29.5482 138 0.08 72
OT.OT13.EHZ. 2021-05-31T16:01:43.25 0.1 undecidable manual P 94 15.9729 154 0.02 100
OT.OT14.EHZ. 2021-05-31T16:01:43.02 0.1 undecidable manual P 275 6.5934 169 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT13.EHE. ML:2.0 0.00041000000000000005 1.64 AML other m 2021-05-31T16:01:47.83
OT.OT13.EHN. ML:2.2 0.000605 0.14 AML other m 2021-05-31T16:01:47.94
IV.MSAG.HHE. ML:1.4 0.00007435 0.66 AML other m 2021-05-31T16:01:49.89
IV.MSAG.HNE. ML:1.7 0.0001735 0.64 AML other m 2021-05-31T16:01:49.89
IV.SGRT.HHE. ML:1.5 0.00011080000000000001 0.2 AML other m 2021-05-31T16:01:49.77
IV.SGRT.HHN. ML:1.6 0.000131 1.04 AML other m 2021-05-31T16:01:49.79
IV.MSAG.HNN. ML:1.8 0.000191 1.04 AML other m 2021-05-31T16:01:49.98
IV.MSAG.HHN. ML:1.4 0.00008124999999999998 1.04 AML other m 2021-05-31T16:01:49.98
OT.OT05.EHN. ML:1.7 0.00012215000000000001 1.24 AML other m 2021-05-31T16:01:52.70
IV.APRC.HHN. ML:2.1 0.000316 0.1 AML other m 2021-05-31T16:01:52.85
OT.OT05.EHE. ML:1.8 0.00015350000000000002 0.08 AML other m 2021-05-31T16:01:52.89
IV.APRC.HHE. ML:2.1 0.000288 1.56 AML other m 2021-05-31T16:01:53.88
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