Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 22-12-2019 and time 13:20:22 (Italy) in region 3 km NW Barete (AQ)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Barete (AQ), on

  • 22-12-2019 12:20:22 (UTC)
  • 22-12-2019 13:20:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4740, 13.2620 at 13 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
Barete AQ 3 737 737
Cagnano Amiterno AQ 3 1369 2106
Pizzoli AQ 5 4326 6432
Montereale AQ 6 2581 9013
Capitignano AQ 6 665 9678
Scoppito AQ 11 3727 13405
Borbona RI 11 617 14022
Campotosto AQ 13 542 14564
Posta RI 15 694 15258
Antrodoco RI 16 2588 17846
Micigliano RI 17 127 17973
Amatrice RI 18 2657 20630
L'Aquila AQ 18 69753 90383
Cittareale RI 18 482 90865
Borgo Velino RI 18 972 91837
Crognaleto TE 20 1297 93134

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
76 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 Km NE of Velletri (53303 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 2019-12-22
12:20:22		 42.474 13.2615 13 2020-02-28
16:42:21		 Bollettino Sismico Italiano INGV 75986061
Reviewed
Rev100 		ML 1.9 2019-12-22
12:20:22		 42.4698 13.2645 14 2019-12-22
12:29:44		 Sala Sismica INGV-Roma 74894801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-22 12:20:22 ± 0.06
Latitude 42.4740 ± 0.0027
Longitude 13.2615 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75986061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 50
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 42
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) 0.57647
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 75986061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-29 06:57:15

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 74894801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-22 12:29:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRJA.HHZ. 2019-12-22T12:22:19.70 3.0 undecidable manual Sn -9.99 0
IV.CAR1.HNZ. 2019-12-22T12:22:17.38 3.0 undecidable manual Sg 2.37 0
IV.AMUR.HHZ. 2019-12-22T12:21:55.38 3.0 undecidable manual Sg 4.42 0
IV.MCRV.HHZ. 2019-12-22T12:21:33.46 3.0 undecidable manual Sg 0.19 0
IV.SPS2.HHZ. 2019-12-22T12:21:33.26 3.0 undecidable manual Pg 6.66 0
IV.CAFE.HHZ. 2019-12-22T12:21:28.35 3.0 undecidable manual Sg -1.25 0
IV.PAOL.HHZ. 2019-12-22T12:21:19.75 3.0 undecidable manual Sg -2.09 0
IV.POFI.HHZ. 2019-12-22T12:20:49.85 3.0 undecidable manual S -7.91 0
IV.FDMO.HHZ. 2019-12-22T12:20:42.36 0.1 undecidable manual S 347 63.9915 93 0.49 81
IV.CERT.HHZ. 2019-12-22T12:20:41.59 0.3 undecidable manual S 202 62.5929 93 0.09 68
IV.MF5.EHZ. 2019-12-22T12:20:41.35 0.1 undecidable manual S 16 59.1963 93 0.75 73
IV.T0110.HHZ. 2019-12-22T12:20:38.70 0.1 undecidable manual S 123 50.2164 93 0.51 85
IV.MC2.EHZ. 2019-12-22T12:20:38.51 0.1 undecidable manual S 353 48.9177 94 0.67 77
IV.PTQR.HHZ. 2019-12-22T12:20:38.98 0.3 undecidable manual S 167 51.4152 93 0.46 64
IV.MMO1.EHN. 2019-12-22T12:20:37.61 0.3 undecidable manual S 6 47.5191 94 0.14 68
IT.MMP1.HGE. 2019-12-22T12:20:37.31 0.3 undecidable manual S 240 48.9177 94 -0.54 62
IV.ARRO.EHZ. 2019-12-22T12:20:35.82 0.1 undecidable manual S 286 42.2244 94 -0.24 91
IV.NRCA.HHZ. 2019-12-22T12:20:35.79 0.1 undecidable manual S 343 41.625 94 -0.13 94
IV.FAGN.HHZ. 2019-12-22T12:20:34.81 0.3 undecidable manual S 131 35.1426 96 0.63 63
IV.MF5.EHZ. 2019-12-22T12:20:33.05 0.1 undecidable manual P 16 59.1963 93 0.17 88
IV.FDMO.HHZ. 2019-12-22T12:20:33.48 0.1 undecidable manual P 347 63.9915 93 -0.13 89
IV.CERT.HHZ. 2019-12-22T12:20:33.60 0.3 undecidable manual P 202 62.5929 93 0.21 66
IV.MTRA.EHE. 2019-12-22T12:20:33.18 0.3 undecidable manual S 19 33.2445 96 -0.5 66
IV.TERO.HHZ. 2019-12-22T12:20:32.98 0.1 undecidable manual S 59 32.4453 97 -0.5 87
IT.MMP1.HGE. 2019-12-22T12:20:31.71 0.3 undecidable manual P 240 48.9177 94 0.42 65
IV.PTQR.HHZ. 2019-12-22T12:20:31.83 0.3 undecidable manual P 167 51.4152 93 0.15 68
IV.GIGS.HHZ. 2019-12-22T12:20:31.07 0.1 undecidable manual S 95 25.5522 100 -0.59 85
IV.FIAM.HNE. 2019-12-22T12:20:31.44 0.1 undecidable manual S 207 25.752 100 -0.26 92
IV.T0110.HHZ. 2019-12-22T12:20:31.60 0.1 undecidable manual P 123 50.2164 93 0.12 92
IV.MC2.EHZ. 2019-12-22T12:20:31.55 0.1 undecidable manual P 353 48.9177 94 0.27 88
IV.MMO1.EHN. 2019-12-22T12:20:30.82 0.3 undecidable manual P 6 47.5191 94 -0.25 67
IV.ARRO.EHZ. 2019-12-22T12:20:30.06 0.1 undecidable manual P 286 42.2244 94 -0.19 91
IV.SMA1.EHZ. 2019-12-22T12:20:30.09 0.1 undecidable manual S 19 18.3705 109 0.3 92
IV.LNSS.HHZ. 2019-12-22T12:20:30.88 0.1 undecidable manual S 308 23.0547 102 -0.12 97
MN.AQU.HNN. 2019-12-22T12:20:29.92 0.1 undecidable manual S 139 17.7711 110 0.29 94
IV.NRCA.HHZ. 2019-12-22T12:20:29.90 0.1 undecidable manual P 343 41.625 94 -0.27 90
IV.T1299.EHZ. 2019-12-22T12:20:29.54 0.1 undecidable manual S 5 17.871 110 -0.12 98
IV.FAGN.HHZ. 2019-12-22T12:20:29.21 0.3 undecidable manual P 131 35.1426 96 0.05 72
IV.TERO.HHZ. 2019-12-22T12:20:28.40 0.1 undecidable manual P 59 32.4453 97 -0.37 90
IV.MTRA.EHE. 2019-12-22T12:20:28.54 0.3 undecidable manual P 19 33.2445 96 -0.34 68
IV.CAMP.HHE. 2019-12-22T12:20:28.54 0.1 undecidable manual S 60 13.875 120 -0.15 97
IV.LNSS.HHZ. 2019-12-22T12:20:27.28 0.1 negative manual P 308 23.0547 102 -0.05 98
IV.GIGS.HHZ. 2019-12-22T12:20:27.34 0.1 undecidable manual P 95 25.5522 100 -0.37 90
IV.FIAM.HNE. 2019-12-22T12:20:27.58 0.1 undecidable manual P 207 25.752 100 -0.16 94
IV.SMA1.EHZ. 2019-12-22T12:20:26.68 0.1 positive manual P 19 18.3705 109 0.05 97
MN.AQU.HNN. 2019-12-22T12:20:26.42 0.1 undecidable manual P 139 17.7711 110 -0.12 96
IV.RM33.EHZ. 2019-12-22T12:20:26.99 0.1 undecidable manual S 315 5.4945 152 -0.12 99
IV.T1299.EHZ. 2019-12-22T12:20:26.57 0.1 undecidable manual P 5 17.871 110 0.01 98
IV.RM33.EHZ. 2019-12-22T12:20:25.12 0.1 negative manual P 315 5.4945 152 0.03 100
IV.CAMP.HHE. 2019-12-22T12:20:25.94 0.1 positive manual P 60 13.875 120 -0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:2.0 0.0011828447 0.2496 AML other m 2019-12-22T12:20:27.29
IV.RM33.EHE. ML:2.0 0.00114999845 0.2368 AML other m 2019-12-22T12:20:27.29
IV.RM33.EHN. ML:1.9 0.0009668321 0.2176 AML other m 2019-12-22T12:20:27.14
IV.RM33.HNN. ML:1.9 0.0009914749 0.1728 AML other m 2019-12-22T12:20:27.13
IV.SMA1.EHE. ML:2.7 0.0036149865 0.2176 AML other m 2019-12-22T12:20:30.47
IV.SMA1.EHN. ML:2.5 0.0021986125 0.2624 AML other m 2019-12-22T12:20:30.45
IV.LNSS.HNE. ML:1.7 0.00031946545000000005 0.1472 AML other m 2019-12-22T12:20:31.56
IV.LNSS.HNN. ML:2.0 0.00056013945 0.3584 AML other m 2019-12-22T12:20:32.20
IV.LNSS.HHE. ML:1.8 0.00036150985 0.16 AML other m 2019-12-22T12:20:31.55
IV.LNSS.HHN. ML:1.9 0.0005096817 0.3776 AML other m 2019-12-22T12:20:32.02
IV.TERO.HHE. ML:1.3 0.00008932177 0.1408 AML other m 2019-12-22T12:20:34.34
IV.TERO.HHN. ML:1.4 0.00011401638 0.0832 AML other m 2019-12-22T12:20:33.87
IV.NRCA.HNN. ML:2.1 0.0003937604 0.1024 AML other m 2019-12-22T12:20:36.24
IV.NRCA.HHN. ML:2.1 0.00038755744999999995 0.1024 AML other m 2019-12-22T12:20:36.24
IV.ARRO.EHE. ML:1.8 0.00021964005 0.1984 AML other m 2019-12-22T12:20:36.28
IV.ARRO.EHN. ML:1.7 0.00016879925 0.1792 AML other m 2019-12-22T12:20:37.12
IV.T0110.HHE. ML:1.7 0.00013961224999999998 0.2816 AML other m 2019-12-22T12:20:40.42
IV.FDMO.HHN. ML:1.5 0.000055947265 0.1216 AML other m 2019-12-22T12:20:43.96
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