Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 18-12-2020 and time 16:12:26 (UTC) in region 4 km NW Mattinata (FG)

A magnitude ML 1.9 earthquake occured in region: 4 km NW Mattinata (FG), on

  • 18-12-2020 16:12:26 (UTC)
  • 18-12-2020 17:12:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7380, 16.0160 at 22 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Mattinata FG 4 6310 6310
Monte Sant'Angelo FG 6 12657 18967
Manfredonia FG 14 57279 76246
Carpino FG 18 4182 80428
Vico del Gargano FG 19 7766 88194

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Manfredonia (57279 inhabitants)
50 Km NE of Foggia (151991 inhabitants)
51 Km NW of Barletta (94814 inhabitants)
53 Km E of San Severo (53905 inhabitants)
53 Km N of Cerignola (58396 inhabitants)
61 Km NW of Andria (100440 inhabitants)
61 Km NW of Trani (56217 inhabitants)
68 Km NW of Bisceglie (55422 inhabitants)
77 Km NW of Molfetta (59874 inhabitants)
90 Km NW of Bitonto (55540 inhabitants)
98 Km NW of Bari (326344 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 1.9 2020-12-18
16:12:26		 41.7377 16.0163 22 2021-02-26
14:56:17		 Bollettino Sismico Italiano INGV 86850381
Reviewed
Rev100 		ML 1.9 2020-12-18
16:12:26		 41.7417 16.0197 20 2020-12-18
16:23:55		 Sala Sismica INGV-Roma 85524351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-18 16:12:26 ± 0.1
Latitude 41.7377 ± 0.0054
Longitude 16.0163 ± 0.0060
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86850381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 546
Semi-minor axis of confidence ellipse (meter) 363
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.21588
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 86850381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-22 17:59:27

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 85524351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-18 16:23:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2020-12-18T16:14:18.71 3.0 undecidable manual Sn 5.46 0
GU.RNCA.HHZ. 2020-12-18T16:14:12.84 3.0 positive manual Pg 22.41 0
IV.MNTV.HNZ. 2020-12-18T16:13:58.89 3.0 undecidable manual Pg 18.65 0
IV.FREG.EHZ. 2020-12-18T16:13:53.18 3.0 undecidable manual Pg 13.87 0
MN.KLV.HHZ. 2020-12-18T16:13:52.96 3.0 undecidable manual Pn 0.26 0
IV.ACATE.EHZ. 2020-12-18T16:13:46.11 3.0 negative manual Pg 9.27 0
XK.GIZZ.HHZ. 2020-12-18T16:13:44.30 3.0 undecidable manual Sn 3.05 0
IV.FIR.HHZ. 2020-12-18T16:13:39.36 3.0 undecidable manual Pg 13.63 0
IV.PIPA.HHZ. 2020-12-18T16:13:30.06 3.0 undecidable manual Sn -0.81 0
IV.LRP.EHZ. 2020-12-18T16:13:25.78 3.0 undecidable manual Sg 7.83 0
AC.VLO.HHZ. 2020-12-18T16:13:17.10 3.0 positive manual Pg 6.6 0
IV.NARO.HHZ. 2020-12-18T16:13:13.43 3.0 positive manual Pn 0.12 0
IV.PTRP.HHZ. 2020-12-18T16:12:49.19 0.3 undecidable manual P 178 134.9649 95 0.88 47
IV.TREM.HHZ. 2020-12-18T16:12:45.01 0.6 undecidable manual S 316 59.7957 103 0.23 44
IV.ACER.HHZ. 2020-12-18T16:12:44.01 0.3 undecidable manual P 183 105.7164 97 0.19 62
IV.AMUR.HHZ. 2020-12-18T16:12:43.67 0.6 undecidable manual P 152 104.3178 97 0.05 42
IV.VULT.HHZ. 2020-12-18T16:12:42.77 0.6 undecidable manual P 201 93.0402 98 0.88 34
OT.OT15.EHZ. 2020-12-18T16:12:42.63 0.1 undecidable manual P 134 100.122 97 -0.34 80
IV.SGTA.HHZ. 2020-12-18T16:12:41.19 0.1 undecidable manual P 219 86.0472 99 0.36 82
IV.PALZ.HHZ. 2020-12-18T16:12:41.19 0.6 undecidable manual P 183 88.1451 99 0.04 44
IV.MELA.HHZ. 2020-12-18T16:12:39.15 0.1 undecidable manual P 268 73.6707 100 0.19 87
IV.APRC.HHZ. 2020-12-18T16:12:39.64 0.6 undecidable manual S 273 39.2274 112 0.1 47
IV.MRVN.HHZ. 2020-12-18T16:12:38.80 0.1 undecidable manual P 169 76.5678 100 -0.58 78
OT.OT05.EHZ. 2020-12-18T16:12:38.23 0.3 undecidable manual S 256 35.3424 115 -0.36 68
OT.OT06.EHZ. 2020-12-18T16:12:38.43 0.3 undecidable manual S 261 35.4423 115 -0.18 71
OT.OT03.EHZ. 2020-12-18T16:12:37.45 0.3 undecidable manual S 265 30.4473 119 0.02 73
IV.CAPA.HHZ. 2020-12-18T16:12:37.86 0.1 undecidable manual P 195 66.378 102 0.02 92
OT.OT07.EHZ. 2020-12-18T16:12:36.57 0.3 undecidable manual S 242 27.75 122 -0.24 71
IV.TREM.HHZ. 2020-12-18T16:12:36.89 0.1 undecidable manual P 316 59.7957 103 0.04 92
OT.OT14.EHZ. 2020-12-18T16:12:35.31 0.3 undecidable manual S 333 19.869 133 0.2 72
OT.OT13.EHZ. 2020-12-18T16:12:35.20 0.3 undecidable manual S 40 20.868 131 -0.11 73
IV.SGRT.HHZ. 2020-12-18T16:12:35.69 0.3 undecidable manual S 275 22.6551 128 0.01 74
OT.OT06.EHZ. 2020-12-18T16:12:33.31 0.3 undecidable manual P 261 35.4423 115 0.02 73
IV.MSAG.HHZ. 2020-12-18T16:12:33.71 0.3 undecidable manual S 252 9.2796 154 0.29 72
IV.APRC.HHZ. 2020-12-18T16:12:33.74 0.1 undecidable manual P 273 39.2274 112 -0.09 95
OT.OT05.EHZ. 2020-12-18T16:12:32.83 0.1 undecidable manual P 256 35.3424 115 -0.45 89
OT.OT07.EHZ. 2020-12-18T16:12:32.13 0.1 undecidable manual P 242 27.75 122 -0.12 96
OT.OT03.EHZ. 2020-12-18T16:12:32.56 0.1 undecidable manual P 265 30.4473 119 -0.05 97
OT.OT13.EHZ. 2020-12-18T16:12:31.29 0.1 undecidable manual P 40 20.868 131 -0.09 98
IV.SGRT.HHZ. 2020-12-18T16:12:31.64 0.1 undecidable manual P 275 22.6551 128 0.04 99
OT.OT14.EHZ. 2020-12-18T16:12:31.28 0.1 undecidable manual P 333 19.869 133 0.01 100
IV.MSAG.HHZ. 2020-12-18T16:12:30.37 0.1 positive manual P 252 9.2796 154 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSAG.HNE. ML:1.4 0.0001685 1.36 AML other m 2020-12-18T16:12:34.17
IV.MSAG.HHE. ML:1.0 0.000063 0.8 AML other m 2020-12-18T16:12:35.17
OT.OT13.EHE. ML:2.2 0.000906 0.18 AML other m 2020-12-18T16:12:35.49
OT.OT13.EHN. ML:2.5 0.0016 0.66 AML other m 2020-12-18T16:12:35.48
IV.MSAG.HHN. ML:1.2 0.00011999999999999999 0.14 AML other m 2020-12-18T16:12:35.84
IV.SGRT.HHE. ML:1.8 0.000294 1.7 AML other m 2020-12-18T16:12:35.06
IV.SGRT.HHN. ML:1.9 0.000384 0.1 AML other m 2020-12-18T16:12:36.26
IV.MSAG.HNN. ML:1.6 0.0002805 0.96 AML other m 2020-12-18T16:12:36.29
OT.OT05.EHN. ML:1.8 0.0001955 0.42 AML other m 2020-12-18T16:12:38.74
OT.OT05.EHE. ML:1.8 0.00020750000000000003 1.36 AML other m 2020-12-18T16:12:39.74
IV.APRC.HHN. ML:2.1 0.0003675 0.1 AML other m 2020-12-18T16:12:40.92
IV.APRC.HHE. ML:1.9 0.00026450000000000003 0.56 AML other m 2020-12-18T16:12:41.08
IV.TREM.HHN. ML:2.3 0.000358 0.24 AML other m 2020-12-18T16:12:45.38
IV.TREM.HNN. ML:2.3 0.000374 0.58 AML other m 2020-12-18T16:12:46.39
IV.TREM.HHE. ML:2.1 0.0002255 0.78 AML other m 2020-12-18T16:12:46.53
IV.CAPA.HHE. ML:2.0 0.0001595 0.34 AML other m 2020-12-18T16:12:47.66
IV.CAPA.HHN. ML:2.0 0.00016700000000000002 1.14 AML other m 2020-12-18T16:12:48.12
IV.TREM.HNE. ML:2.1 0.000256 0.4 AML other m 2020-12-18T16:12:48.52
IV.MELA.HHE. ML:2.0 0.000147 1.8 AML other m 2020-12-18T16:12:50.99
IV.MELA.HHN. ML:2.1 0.000195 0.36 AML other m 2020-12-18T16:12:50.24
IV.MRVN.HHE. ML:1.6 0.00005205 1 AML other m 2020-12-18T16:12:51.61
IV.MRVN.HHN. ML:1.6 0.000053 0.46 AML other m 2020-12-18T16:12:51.24
IV.SGTA.HHE. ML:1.8 0.00008285000000000001 1.24 AML other m 2020-12-18T16:12:55.15
IV.SGTA.HHN. ML:1.8 0.00007175000000000001 1.24 AML other m 2020-12-18T16:12:55.78
IV.VULT.HHE. ML:2.1 0.00012770000000000001 0.7 AML other m 2020-12-18T16:12:57.21
IV.VULT.HHN. ML:2.2 0.00015099999999999998 0.28 AML other m 2020-12-18T16:12:58.44
IV.AMUR.HHE. ML:1.8 0.00006025 1.56 AML other m 2020-12-18T16:12:59.12
IV.AMUR.HHN. ML:1.6 0.00004165 0.76 AML other m 2020-12-18T16:13:01.25
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