Earthquake (quarry blast) with magnitude of ML 1.0 on date 23-12-2020 and time 15:20:32 (Italy) in region 15 km SE Rignano Garganico (FG)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 15 km SE Rignano Garganico (FG), on

  • 23-12-2020 14:20:32 (UTC)
  • 23-12-2020 15:20:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.57, 15.69 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 15 2117 2117
San Giovanni Rotondo FG 15 27184 29301
San Marco in Lamis FG 16 13831 43132
Foggia FG 17 151991 195123
Manfredonia FG 20 57279 252402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Foggia (151991 inhabitants)
20 Km W of Manfredonia (57279 inhabitants)
29 Km E of San Severo (53905 inhabitants)
38 Km NW of Cerignola (58396 inhabitants)
56 Km NW of Barletta (94814 inhabitants)
63 Km NW of Andria (100440 inhabitants)
69 Km W of Trani (56217 inhabitants)
77 Km W of Bisceglie (55422 inhabitants)
86 Km W of Molfetta (59874 inhabitants)
91 Km NE of Benevento (60091 inhabitants)
98 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 1.0 2020-12-23
14:20:32
41.57 15.69 1 2021-02-26
14:56:17
Bollettino Sismico Italiano INGV 86638001
Reviewed
Rev100
ML 1.0 2020-12-23
14:20:32
41.58 15.7 6 2020-12-23
14:29:29
Sala Sismica INGV-Roma 85651171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-23 14:20:32 ± 0.55
Latitude 41.57 ± 0.03
Longitude 15.69 ± 0.01
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 86638001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3210
Semi-minor axis of confidence ellipse (meter) 660
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 3210
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 273
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 8
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
Epicentral distance of station farthest from the epicenter (degree) 0.21584
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 85651171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-23 14:29:29

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 86638001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-27 18:27:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MARS.EHZ. 2020-12-23T14:22:21.03 3.0 undecidable manual Sn 0.48 0
CH.FUORN.HHZ. 2020-12-23T14:22:21.41 3.0 undecidable manual Pg 14.95 0
TV.SU26.HHZ. 2020-12-23T14:22:10.56 3.0 undecidable manual Pg 16.620001 0
IV.CRTC.HHZ. 2020-12-23T14:22:10.53 3.0 undecidable manual Sg 9.7 0
IV.MNTV.HNZ. 2020-12-23T14:21:59.67 3.0 undecidable manual Pg 12.04 0
IV.MMUR.HNZ. 2020-12-23T14:21:58.22 3.0 undecidable manual Sg 4.91 0
IV.NDIM.HNZ. 2020-12-23T14:21:51.37 3.0 positive manual Pg 7.1 0
IV.HPAC.HHZ. 2020-12-23T14:21:43.68 3.0 undecidable manual Pg 7.81 0
IV.BRSN.EHZ. 2020-12-23T14:21:41.93 3.0 positive manual Pg 11.58 0
IV.CELB.HHZ. 2020-12-23T14:21:39.41 3.0 positive manual Pg 5.82 0
IV.MARS.EHZ. 2020-12-23T14:21:24.77 3.0 undecidable manual Pn -6.17 0
IV.EMSG.HHZ. 2020-12-23T14:21:21.79 3.0 negative manual Pg 0.99 0
XK.GIZZ.HHZ. 2020-12-23T14:21:08.64 3.0 positive manual Pg 3.22 0
IV.VIVA.HHZ. 2020-12-23T14:21:05.23 3.0 undecidable manual Pg 0.74 0
CR.STON.BHZ. 2020-12-23T14:21:04.88 3.0 positive manual Pn -2.71 0
IV.VAGA.HHZ. 2020-12-23T14:20:45.98 3.0 positive manual P -2.16 0
IV.VBKN.HHZ. 2020-12-23T14:20:41.90 3.0 negative manual P -3.87 0
IV.MSAG.HHZ. 2020-12-23T14:20:37.20 0.1 undecidable manual P 49 0.2131 91 0 99
IV.APRC.HHZ. 2020-12-23T14:20:37.02 0.1 undecidable manual P 329 0.2158 91 -0.23 94
IV.SGRT.HHZ. 2020-12-23T14:20:36.41 0.1 undecidable manual P 12 0.1853 91 -0.17 96
OT.OT04.EHE. 2020-12-23T14:20:36.28 0.3 undecidable manual P 330 0.1691 92 0.08 74
OT.OT06.EHE. 2020-12-23T14:20:35.67 0.1 undecidable manual P 327 0.134 92 0.23 96
OT.OT03.EHE. 2020-12-23T14:20:35.72 0.1 undecidable manual P 347 0.143 92 0.09 99
OT.OT05.EHZ. 2020-12-23T14:20:34.80 0.1 undecidable manual P 322 0.1097 92 -0.09 99
OT.OT07.EHE. 2020-12-23T14:20:33.72 0.1 undecidable manual P 22 0.0522 95 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT05.EHN. ML:1.1 0.0001875 0.4 AML other m 2020-12-23T14:20:38.26
OT.OT05.EHE. ML:1.2 0.0002495 1.68 AML other m 2020-12-23T14:20:40.90
IV.APRC.HHE. ML:1 7.06E-5 0.6 AML other m 2020-12-23T14:20:41.48
IV.MSAG.HNN. ML:1.3 0.000129 0.16 AML other m 2020-12-23T14:20:42.20
IV.MSAG.HHN. ML:0.9 5.495E-5 0.16 AML other m 2020-12-23T14:20:42.20
IV.SGRT.HHN. ML:1 7.89E-5 0.5 AML other m 2020-12-23T14:20:42.67
IV.SGRT.HHE. ML:1 8.44E-5 0.5 AML other m 2020-12-23T14:20:43.36
IV.MRB1.HHN. ML:0 0.0001155 0.6 AML other m 2020-12-23T14:20:44.19
IV.APRC.HHN. ML:1.1 8.64E-5 0.42 AML other m 2020-12-23T14:20:45.13
IV.MSAG.HHE. ML:0.6 2.62E-5 1.42 AML other m 2020-12-23T14:20:46.20
IV.MSAG.HNE. ML:1 6.35E-5 0.62 AML other m 2020-12-23T14:20:46.20
IV.MRB1.HHE. ML:0 0.000145 0.06 AML other m 2020-12-23T14:20:49.08
IV.MMUR.HNN. ML:3.9 0.000969 0.4 AML other m 2020-12-23T14:21:36.55
IV.MMUR.HNE. ML:3.8 0.0008675 0.42 AML other m 2020-12-23T14:21:36.55
CR.STON.BHE. ML:2 2.705E-5 0.72 AML other m 2020-12-23T14:21:36.81
CR.STON.BHN. ML:2.2 3.905E-5 1.04 AML other m 2020-12-23T14:21:36.33
IV.VIVA.HHE. ML:4 0.0022 0.06 AML other m 2020-12-23T14:21:46.14
IV.VIVA.HHN. ML:3.9 0.0017 0.64 AML other m 2020-12-23T14:21:50.64
IV.CELB.HHE. ML:4.1 0.000474 0.06 AML other m 2020-12-23T14:21:53.96
IV.CELB.HHN. ML:4.1 0.000448 0.08 AML other m 2020-12-23T14:21:54.05
IV.EMSG.HHE. ML:4.3 0.00104 0.76 AML other m 2020-12-23T14:21:57.22
IV.EMSG.HHN. ML:4.3 0.000935 0.66 AML other m 2020-12-23T14:22:04.62
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download