Earthquake (quarry blast) with magnitude of ML 1.4 on date 23-06-2021 and time 11:02:53 (Italy) in region 7 km SE Rignano Garganico (FG)

A magnitude ML 1.4 (quarry blast) earthquake occured in region: 7 km SE Rignano Garganico (FG), on

  • 23-06-2021 09:02:53 (UTC)
  • 23-06-2021 11:02:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6420, 15.6500 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Rignano Garganico FG 7 2117 2117
San Marco in Lamis FG 8 13831 15948
San Giovanni Rotondo FG 10 27184 43132

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Foggia (151991 inhabitants)
22 Km W of Manfredonia (57279 inhabitants)
23 Km E of San Severo (53905 inhabitants)
47 Km NW of Cerignola (58396 inhabitants)
63 Km NW of Barletta (94814 inhabitants)
71 Km NW of Andria (100440 inhabitants)
76 Km NW of Trani (56217 inhabitants)
84 Km NW of Bisceglie (55422 inhabitants)
92 Km NE of Benevento (60091 inhabitants)
93 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 1.4 2021-06-23
09:02:53
41.6422 15.6505 1 2021-12-29
11:12:27
Bollettino Sismico Italiano INGV 95187711
Reviewed
Rev100
ML 1.6 2021-06-23
09:02:52
41.6227 15.6333 9 2021-06-23
09:08:54
Sala Sismica INGV-Roma 91760371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-23 09:02:53 ± 0.12
Latitude 41.6422 ± 0.0072
Longitude 15.6505 ± 0.0060
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 95187711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 880
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31836
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 91760371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-23 09:08:54

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 95187711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-29 21:49:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHZ. 2021-06-23T09:04:11.55 3.0 undecidable manual Sg 3.16 0
IV.FIR.HHZ. 2021-06-23T09:04:07.23 3.0 undecidable manual Sg 6.41 0
CH.MUGIO.HHZ. 2021-06-23T09:04:00.41 3.0 undecidable manual Pn 3.63 0
AC.KBN.HHZ. 2021-06-23T09:03:50.60 3.0 negative manual Pn 2.72 0
IV.SENI.HNZ. 2021-06-23T09:03:48.27 3.0 undecidable manual Sg 4.09 0
IV.CADC.EHZ. 2021-06-23T09:03:44.44 3.0 positive manual Pn -0.96 0
IV.VOBA.EHZ. 2021-06-23T09:03:43.55 3.0 negative manual Pn -2.09 0
MN.CLTB.HHZ. 2021-06-23T09:03:27.51 3.0 negative manual Pg 1.57 0
IV.FIR.HHZ. 2021-06-23T09:03:19.08 3.0 undecidable manual Pn -1.15 0
IV.GIZZ.HHZ. 2021-06-23T09:03:12.84 3.0 positive manual Pn -1.83 0
IV.MIGL.HHZ. 2021-06-23T09:03:02.32 3.0 negative manual P -1.07 0
OT.OT14.EHN. 2021-06-23T09:03:00.26 0.6 undecidable manual P 37 35.3424 91 -0.06 47
IV.NRCA.HNZ. 2021-06-23T09:02:58.87 3.0 positive manual Pn -0.79 0
IV.MSAG.HHZ. 2021-06-23T09:02:57.61 0.3 undecidable manual P 70 22.8549 91 -0.21 70
IV.APRC.HHZ. 2021-06-23T09:02:56.10 0.1 undecidable manual P 325 15.5733 92 -0.27 94
IV.SGRT.HHZ. 2021-06-23T09:02:56.24 0.1 positive manual P 32 14.6742 92 0.05 98
OT.OT03.EHE. 2021-06-23T09:02:55.04 0.1 positive manual P 360 7.7811 94 0.23 96
OT.OT04.EHE. 2021-06-23T09:02:55.25 0.1 positive manual P 326 10.3785 93 -0.07 98
OT.OT06.EHZ. 2021-06-23T09:02:54.70 0.1 positive manual P 316 6.6933 94 0.11 98
OT.OT07.EHE. 2021-06-23T09:02:54.55 0.1 undecidable manual P 112 6.1938 95 0.07 99
OT.OT05.EHZ. 2021-06-23T09:02:54.18 0.1 positive manual P 296 4.3956 96 0.05 100
IV.MTMR.EHZ. 2021-06-23T09:02:47.56 3.0 undecidable manual P 0.97 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APRC.HHN. ML:1.4 0.000306 0.3 AML other m 2021-06-23T09:02:59.76
IV.APRC.HHE. ML:1.6 0.00045599999999999997 0.2 AML other m 2021-06-23T09:02:59.66
IV.SGRT.HHE. ML:1.4 0.00028100000000000005 0.76 AML other m 2021-06-23T09:03:01.52
IV.SGRT.HHN. ML:1.4 0.000319 0.66 AML other m 2021-06-23T09:03:02.37
IV.MSAG.HHE. ML:1.1 0.0000946 0.66 AML other m 2021-06-23T09:03:06.62
IV.MSAG.HHN. ML:1.4 0.0001705 1.6 AML other m 2021-06-23T09:03:08.92
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