Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-12-2019 and time 13:13:49 (Italy) in region 5 km W Amatrice (RI)

A magnitude ML 2.1 earthquake occured in region: 5 km W Amatrice (RI), on

  • 17-12-2019 12:13:49 (UTC)
  • 17-12-2019 13:13:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6240, 13.2340 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amatrice RI 5 2657 2657
Cittareale RI 6 482 3139
Accumoli RI 8 667 3806
Montereale AQ 11 2581 6387
Capitignano AQ 13 665 7052
Campotosto AQ 13 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Arquata del Tronto AP 17 1178 10083
Cagnano Amiterno AQ 18 1369 11452
Barete AQ 20 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
82 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 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 2.1 2019-12-17
12:13:49		 42.624 13.2335 11 2020-02-28
16:42:15		 Bollettino Sismico Italiano INGV 74813381
Reviewed
Rev100 		ML 2.2 2019-12-17
12:13:49		 42.6262 13.2343 11 2019-12-17
12:20:15		 Sala Sismica INGV-Roma 74735731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-17 12:13:49 ± 0.05
Latitude 42.6240 ± 0.0027
Longitude 13.2335 ± 0.0024
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74813381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71136
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 53
Type of magnitude ML
Reference to an origin 74813381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-29 11:07:31

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 74735731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-17 12:20:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.FIE.HGZ. 2019-12-17T12:14:23.72 3.0 positive manual Pg 3.62 0
IV.LRP.EHZ. 2019-12-17T12:14:20.92 3.0 undecidable manual S -3.07 0
IV.LRP.EHZ. 2019-12-17T12:14:10.91 3.0 negative manual P 2.11 0
IV.VCEL.EHZ. 2019-12-17T12:14:08.34 0.6 undecidable manual S 117 55.7997 90 1.41 26
IV.OFFI.HHZ. 2019-12-17T12:14:08.15 0.6 undecidable manual S 47 50.4162 90 2.65 9
IV.MOMA.HHZ. 2019-12-17T12:14:07.83 0.6 undecidable manual S 290 57.5979 90 0.41 42
IV.CSP1.EHZ. 2019-12-17T12:14:06.28 0.6 undecidable manual S 357 51.9036 90 0.38 44
IV.CESI.HHZ. 2019-12-17T12:14:05.81 0.3 undecidable manual S 328 50.0166 90 0.42 65
IV.GUMA.HNN. 2019-12-17T12:14:05.95 0.6 undecidable manual S 10 49.4172 90 0.74 40
IV.MF5.EHZ. 2019-12-17T12:14:04.86 0.3 undecidable manual S 24 44.3223 90 0.98 55
IV.FDMO.HHZ. 2019-12-17T12:14:04.91 0.6 undecidable manual S 345 47.3193 90 0.25 46
IV.EL6.EHZ. 2019-12-17T12:14:03.37 0.3 undecidable manual P 352 78.9654 90 0.21 65
IV.CERT.HHE. 2019-12-17T12:14:02.64 1.0 undecidable manual P 196 77.6667 90 -0.32 21
IV.SNTG.HHZ. 2019-12-17T12:14:02.48 0.3 undecidable manual P 341 73.9704 90 0.09 67
IV.FEMA.HNE. 2019-12-17T12:14:02.94 0.1 undecidable manual S 338 40.3263 90 0.13 95
IV.FIAM.HHZ. 2019-12-17T12:14:02.74 0.6 undecidable manual S 194 40.626 90 -0.14 48
IV.ARRO.EHZ. 2019-12-17T12:14:02.06 0.3 undecidable manual S 263 38.5281 90 -0.26 69
IV.MC2.EHZ. 2019-12-17T12:14:00.83 0.3 undecidable manual S 354 32.0457 90 0.23 71
IV.GIGS.HHZ. 2019-12-17T12:14:00.60 0.6 undecidable manual S 124 33.6441 90 -0.4 45
IV.MMO1.EHZ. 2019-12-17T12:14:00.36 0.3 undecidable manual S 14 31.4463 90 -0.08 70
IV.OFFI.HHZ. 2019-12-17T12:13:59.47 0.1 undecidable manual P 47 50.4162 90 0.7 79
IV.TERO.HHZ. 2019-12-17T12:13:59.69 0.3 undecidable manual S 90 30.2475 90 -0.42 67
IV.VCEL.EHZ. 2019-12-17T12:13:59.78 0.3 undecidable manual P 117 55.7997 90 0.19 66
IV.MOMA.HHZ. 2019-12-17T12:13:59.67 0.3 undecidable manual P 290 57.5979 90 -0.21 66
IV.FDMO.HHZ. 2019-12-17T12:13:58.12 0.3 undecidable manual P 345 47.3193 90 -0.16 68
IV.NRCA.HHZ. 2019-12-17T12:13:58.22 0.3 undecidable manual S 337 25.1526 90 -0.54 63
IV.MF5.EHZ. 2019-12-17T12:13:58.13 1.0 positive manual P 24 44.3223 90 0.3 22
IV.CESI.HHZ. 2019-12-17T12:13:58.73 0.3 undecidable manual P 328 50.0166 90 0.02 70
IV.GUMA.HNN. 2019-12-17T12:13:58.83 0.1 undecidable manual P 10 49.4172 90 0.22 91
IV.CSP1.EHZ. 2019-12-17T12:13:58.85 0.1 undecidable manual P 357 51.9036 90 -0.15 89
IV.CESX.HHZ. 2019-12-17T12:13:58.86 0.3 undecidable manual P 268 52.8027 90 -0.28 67
IV.FEMA.HNE. 2019-12-17T12:13:57.58 1.0 undecidable manual P 338 40.3263 90 0.36 22
IV.FIAM.HHZ. 2019-12-17T12:13:57.17 0.1 undecidable manual P 194 40.626 90 -0.08 95
IV.MTRA.HNZ. 2019-12-17T12:13:56.95 0.1 undecidable manual S 42 19.869 90 -0.38 90
IV.CAMP.HHZ. 2019-12-17T12:13:56.42 0.3 undecidable manual S 124 17.3715 90 -0.25 72
IV.ARRO.EHZ. 2019-12-17T12:13:56.70 0.3 undecidable manual P 263 38.5281 90 -0.23 69
IV.MMO1.EHZ. 2019-12-17T12:13:55.69 0.1 undecidable manual P 14 31.4463 90 -0.16 93
IV.RM33.HNZ. 2019-12-17T12:13:55.38 0.3 undecidable manual S 187 12.876 101 -0.09 74
IV.MC2.EHZ. 2019-12-17T12:13:55.86 0.6 positive manual P 354 32.0457 90 -0.08 47
IV.LNSS.HHZ. 2019-12-17T12:13:55.99 0.3 undecidable manual S 262 15.9729 90 -0.3 71
IV.GIGS.HHZ. 2019-12-17T12:13:55.90 0.1 undecidable manual P 124 33.6441 90 -0.28 92
IV.TERO.HHZ. 2019-12-17T12:13:55.44 0.1 undecidable manual P 90 30.2475 90 -0.22 93
IV.SMA1.EHZ. 2019-12-17T12:13:54.56 0.1 undecidable manual S 85 8.3805 129 0.17 98
IV.NRCA.HHZ. 2019-12-17T12:13:54.63 0.1 negative manual P 337 25.1526 90 -0.25 92
IV.CAMP.HHZ. 2019-12-17T12:13:53.61 0.1 undecidable manual P 124 17.3715 90 -0.06 99
IV.MTRA.HNZ. 2019-12-17T12:13:53.88 0.1 undecidable manual P 42 19.869 90 -0.17 94
IV.RM33.HNZ. 2019-12-17T12:13:53.04 0.1 positive manual P 187 12.876 101 0.06 97
IV.LNSS.HHZ. 2019-12-17T12:13:53.36 0.1 undecidable manual P 262 15.9729 90 -0.09 98
IV.T1299.HNN. 2019-12-17T12:13:53.61 0.1 undecidable manual S 74 4.0959 153 -0.08 100
IV.T1299.HNN. 2019-12-17T12:13:52.02 0.1 undecidable manual P 74 4.0959 153 0.07 100
IV.SMA1.EHZ. 2019-12-17T12:13:52.57 0.1 negative manual P 85 8.3805 129 0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:3.1 0.01824904 0.2816 AML other m 2019-12-17T12:13:54.89
IV.SMA1.EHN. ML:2.6 0.0057394394999999996 0.2816 AML other m 2019-12-17T12:13:55.01
IV.RM33.HNN. ML:2.4 0.002861787 0.2304 AML other m 2019-12-17T12:13:55.59
IV.RM33.EHN. ML:2.4 0.002863466 0.2432 AML other m 2019-12-17T12:13:55.59
IV.RM33.HNE. ML:2.3 0.0018910914999999999 0.2816 AML other m 2019-12-17T12:13:55.97
IV.LNSS.HHE. ML:2.1 0.00102899545 0.1792 AML other m 2019-12-17T12:13:56.19
IV.RM33.EHE. ML:2.2 0.0014683365 0.2432 AML other m 2019-12-17T12:13:56.98
IV.LNSS.HNE. ML:2.0 0.0009717388 0.1792 AML other m 2019-12-17T12:13:57.24
IV.MTRA.HNN. ML:2.7 0.003651936 0.1984 AML other m 2019-12-17T12:13:57.32
IV.MTRA.EHN. ML:2.7 0.003638599 0.2048 AML other m 2019-12-17T12:13:57.32
IV.LNSS.HHN. ML:2.1 0.0011390821 0.256 AML other m 2019-12-17T12:13:57.97
IV.LNSS.HNN. ML:2.1 0.00111700965 0.2688 AML other m 2019-12-17T12:13:57.83
IV.MTRA.HNE. ML:2.9 0.005881106499999999 0.3008 AML other m 2019-12-17T12:13:57.82
IV.MTRA.EHE. ML:2.9 0.0058794485 0.3008 AML other m 2019-12-17T12:13:57.83
IV.CAMP.HHN. ML:1.8 0.00046114509999999997 0.5184 AML other m 2019-12-17T12:13:58.11
IV.CAMP.HHE. ML:1.6 0.0003491847 0.576 AML other m 2019-12-17T12:13:58.18
IV.NRCA.HHE. ML:2.2 0.00098492265 0.16 AML other m 2019-12-17T12:13:58.61
IV.NRCA.HNE. ML:2.2 0.0009199324 0.16 AML other m 2019-12-17T12:13:58.62
IV.NRCA.HNN. ML:2.1 0.0006638824999999999 0.1408 AML other m 2019-12-17T12:13:59.02
IV.NRCA.HHN. ML:2.1 0.00065910065 0.1216 AML other m 2019-12-17T12:13:59.63
IV.TERO.HHE. ML:2.1 0.0006030891 0.2432 AML other m 2019-12-17T12:14:00.85
IV.GIGS.HHN. ML:1.6 0.00015002640000000002 0.1216 AML other m 2019-12-17T12:14:00.82
IV.ARRO.EHE. ML:1.9 0.00029794605 0.3008 AML other m 2019-12-17T12:14:02.30
IV.TERO.HHN. ML:2.2 0.0007487993500000001 0.3392 AML other m 2019-12-17T12:14:02.37
IV.GIGS.HHE. ML:1.3 0.00008637514000000001 0.3392 AML other m 2019-12-17T12:14:02.49
IV.ARRO.EHN. ML:1.9 0.00028885375000000003 0.256 AML other m 2019-12-17T12:14:02.66
IV.FIAM.HHE. ML:1.8 0.0001956019 0.32 AML other m 2019-12-17T12:14:03.45
IV.FDMO.HHN. ML:1.6 0.0001223698 0.3008 AML other m 2019-12-17T12:14:05.37
IV.MF5.EHE. ML:2.4 0.00084246235 0.4032 AML other m 2019-12-17T12:14:05.62
IV.FIAM.HNN. ML:1.8 0.00023265125 0.4032 AML other m 2019-12-17T12:14:06.32
IV.FIAM.HHN. ML:1.6 0.0001266181 0.3776 AML other m 2019-12-17T12:14:06.32
IV.FDMO.HHE. ML:1.7 0.0001445105 0.16 AML other m 2019-12-17T12:14:06.66
IV.MF5.EHN. ML:2.2 0.0005203121 0.32 AML other m 2019-12-17T12:14:06.76
IV.CSP1.EHN. ML:2.1 0.00034118939999999996 0.3968 AML other m 2019-12-17T12:14:07.18
IV.CESI.HHE. ML:1.7 0.00013424120000000002 0.2816 AML other m 2019-12-17T12:14:07.24
IV.CESI.HNE. ML:1.8 0.00016683114999999999 0.3264 AML other m 2019-12-17T12:14:07.40
IV.CSP1.EHE. ML:2.1 0.00028455544999999997 0.3392 AML other m 2019-12-17T12:14:07.35
IV.CESX.HHN. ML:2.0 0.0002488033 0.2368 AML other m 2019-12-17T12:14:07.87
IV.CESI.HNN. ML:2.2 0.00040454405 0.3712 AML other m 2019-12-17T12:14:08.12
IV.CESX.HHE. ML:2.1 0.0002829873 0.2432 AML other m 2019-12-17T12:14:08.27
IV.MOMA.HHE. ML:2.2 0.000352304 0.1984 AML other m 2019-12-17T12:14:08.32
IV.OFFI.HHN. ML:2.5 0.0008679741 0.4992 AML other m 2019-12-17T12:14:08.49
IV.MOMA.HHN. ML:2.1 0.0002690142 0.2176 AML other m 2019-12-17T12:14:08.65
IV.VCEL.EHN. ML:2.2 0.00032042480000000004 0.4352 AML other m 2019-12-17T12:14:09.60
IV.CESI.HHN. ML:1.9 0.00021270135000000002 0.2816 AML other m 2019-12-17T12:14:09.68
IV.OFFI.HHE. ML:2.6 0.0011701735 0.6208 AML other m 2019-12-17T12:14:10.20
IV.MOMA.HNE. ML:2.2 0.0003355556 0.2304 AML other m 2019-12-17T12:14:10.37
IV.VCEL.EHE. ML:2.3 0.0004285253 0.5184 AML other m 2019-12-17T12:14:10.25
IV.EL6.EHE. ML:2.0 0.00015094705 0.1408 AML other m 2019-12-17T12:14:18.24
IV.SNTG.HHN. ML:1.6 0.000057186074999999996 0.2368 AML other m 2019-12-17T12:14:18.76
IV.SNTG.HHE. ML:1.5 0.00004932059 0.32 AML other m 2019-12-17T12:14:19.36
IV.SNTG.HNE. ML:2.0 0.00015133405 0.896 AML other m 2019-12-17T12:14:22.91
IV.EL6.EHN. ML:2.1 0.0001692001 0.8768 AML other m 2019-12-17T12:14:26.44
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download