Earthquake with magnitude of ML 1.6 on date 20-12-2019 and time 05:29:33 (UTC) in region 5 km N Montereale (AQ)

A magnitude ML 1.6 earthquake occured in region: 5 km N Montereale (AQ), on

  • 20-12-2019 05:29:33 (UTC)
  • 20-12-2019 06:29:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5670, 13.2420 at 14 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
Montereale AQ 5 2581 2581
Capitignano AQ 7 665 3246
Amatrice RI 8 2657 5903
Cittareale RI 9 482 6385
Campotosto AQ 11 542 6927
Borbona RI 11 617 7544
Cagnano Amiterno AQ 12 1369 8913
Posta RI 13 694 9607
Barete AQ 13 737 10344
Accumoli RI 14 667 11011
Pizzoli AQ 15 4326 15337
Crognaleto TE 20 1297 16634
Micigliano RI 20 127 16761

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
80 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
97 Km NE of Roma (2864731 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 2019-12-20
05:29:33
42.567 13.2422 14 2020-02-28
16:42:25
Bollettino Sismico Italiano INGV 76480391
Reviewed
Rev100
ML 1.7 2019-12-20
05:29:33
42.5653 13.2442 15 2019-12-20
05:39:52
Sala Sismica INGV-Roma 74808611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-20 05:29:33 ± 0.07
Latitude 42.5670 ± 0.0036
Longitude 13.2422 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76480391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
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) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.44966
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 76480391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-13 09:20:18

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 74808611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-20 05:39:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2019-12-20T05:29:46.21 0.1 undecidable manual S 11 37.5291 97 0.01 96
IV.ARRO.EHZ. 2019-12-20T05:29:46.45 0.6 undecidable manual S 272 38.9277 97 -0.13 47
IV.MC2.EHZ. 2019-12-20T05:29:46.89 0.6 undecidable manual S 354 38.4282 97 0.44 44
IV.FIAM.HNE. 2019-12-20T05:29:45.79 0.3 undecidable manual S 197 34.743 98 0.33 69
IV.GIGS.HHZ. 2019-12-20T05:29:44.08 0.6 undecidable manual S 115 29.8479 101 -0.1 47
IV.GAVE.EHZ. 2019-12-20T05:29:44.36 0.3 undecidable manual S 296 31.6461 100 -0.28 69
IV.NRCA.HHZ. 2019-12-20T05:29:44.26 0.1 undecidable manual S 341 31.3464 100 -0.31 92
IV.TERO.HHZ. 2019-12-20T05:29:44.04 0.1 undecidable manual S 78 30.1476 100 -0.23 93
IV.MF5.EHZ. 2019-12-20T05:29:43.38 0.1 undecidable manual P 21 49.9167 95 0.57 83
MN.AQU.HHE. 2019-12-20T05:29:43.46 0.6 undecidable manual S 151 27.1506 102 -0.01 48
IV.MTRA.HNZ. 2019-12-20T05:29:42.46 0.1 undecidable manual S 31 24.5532 105 -0.33 92
IV.ARRO.EHZ. 2019-12-20T05:29:41.09 0.1 undecidable manual P 272 38.9277 97 -0.04 95
IV.MC2.EHZ. 2019-12-20T05:29:41.13 0.1 undecidable manual P 354 38.4282 97 0.08 95
IV.LNSS.HHZ. 2019-12-20T05:29:40.66 0.1 undecidable manual S 284 16.9719 116 -0.23 96
IV.FIAM.HNE. 2019-12-20T05:29:40.84 0.3 undecidable manual P 197 34.743 98 0.36 68
IV.MMO1.EHZ. 2019-12-20T05:29:40.90 0.1 undecidable manual P 11 37.5291 97 0 96
IV.CAMP.HHE. 2019-12-20T05:29:40.21 0.1 undecidable manual S 104 14.0748 124 -0.01 100
IV.NRCA.HHZ. 2019-12-20T05:29:40.00 0.1 undecidable manual P 341 31.3464 100 0.03 97
IV.TERO.HHZ. 2019-12-20T05:29:39.79 0.1 positive manual P 78 30.1476 100 0 97
IV.GIGS.HHZ. 2019-12-20T05:29:39.66 0.3 undecidable manual P 115 29.8479 101 -0.08 71
IV.SMA1.EHZ. 2019-12-20T05:29:39.51 0.1 undecidable manual S 47 10.3785 135 0.05 99
IV.GAVE.EHZ. 2019-12-20T05:29:39.97 0.1 undecidable manual P 296 31.6461 100 -0.04 97
IV.RM33.EHZ. 2019-12-20T05:29:38.71 0.1 undecidable manual S 199 6.7932 148 -0.16 99
IV.T1299.HNZ. 2019-12-20T05:29:38.84 0.1 undecidable manual S 24 8.1807 143 -0.23 98
MN.AQU.HHE. 2019-12-20T05:29:38.63 0.3 undecidable manual P 151 27.1506 102 -0.7 60
IV.MTRA.HNZ. 2019-12-20T05:29:38.89 0.1 undecidable manual P 31 24.5532 105 -0.05 98
IV.CAMP.HHE. 2019-12-20T05:29:37.71 0.1 undecidable manual P 104 14.0748 124 0.25 96
IV.LNSS.HHZ. 2019-12-20T05:29:37.97 0.1 positive manual P 284 16.9719 116 0.13 97
IV.SMA1.EHZ. 2019-12-20T05:29:37.33 0.1 positive manual P 47 10.3785 135 0.32 95
IV.RM33.EHZ. 2019-12-20T05:29:36.89 0.1 undecidable manual P 199 6.7932 148 0.22 97
IV.T1299.HNZ. 2019-12-20T05:29:36.95 0.1 undecidable manual P 24 8.1807 143 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.9 0.0008472385 0.1408 AML other m 2019-12-20T05:29:39.97
IV.SMA1.EHE. ML:2.3 0.0020047115 1.84 AML other m 2019-12-20T05:29:39.92
IV.LNSS.HNN. ML:1.9 0.00056937335 0.16 AML other m 2019-12-20T05:29:40.96
IV.LNSS.HHN. ML:1.8 0.0005413363 0.16 AML other m 2019-12-20T05:29:40.88
IV.LNSS.HNE. ML:2.1 0.00087925655 1.8592 AML other m 2019-12-20T05:29:40.07
IV.LNSS.HHE. ML:2.1 0.0009289241 0.1408 AML other m 2019-12-20T05:29:41.07
IV.TERO.HHN. ML:1.5 0.00013495525 0.16 AML other m 2019-12-20T05:29:44.23
IV.TERO.HHE. ML:1.3 0.00008989179 0.08 AML other m 2019-12-20T05:29:44.22
IV.GAVE.HNE. ML:1.7 0.00020397324999999998 0.2208 AML other m 2019-12-20T05:29:44.52
IV.GAVE.EHE. ML:1.8 0.0002432161 0.2208 AML other m 2019-12-20T05:29:44.64
IV.NRCA.HNE. ML:1.6 0.00019474485000000002 0.1408 AML other m 2019-12-20T05:29:44.61
IV.NRCA.HHE. ML:1.7 0.00020917980000000004 0.1408 AML other m 2019-12-20T05:29:44.61
IV.GAVE.EHN. ML:1.5 0.00014938785 0.2016 AML other m 2019-12-20T05:29:44.66
IV.NRCA.HHN. ML:1.6 0.0001557661 0.0992 AML other m 2019-12-20T05:29:44.85
IV.GIGS.HHN. ML:0.6 0.000020453744 0.2176 AML other m 2019-12-20T05:29:45.34
IV.GIGS.HHE. ML:0.5 0.00001578118 0.1408 AML other m 2019-12-20T05:29:45.44
IV.ARRO.EHE. ML:1.2 0.000048093345000000006 1.8016 AML other m 2019-12-20T05:29:47.07
IV.ARRO.EHN. ML:1.2 0.00006154962 0.1984 AML other m 2019-12-20T05:29:47.74
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