Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 22-12-2019 and time 12:22:50 (UTC) in region 3 km NW Barete (AQ)

A magnitude ML 1.7 earthquake occured in region: 3 km NW Barete (AQ), on

  • 22-12-2019 12:22:50 (UTC)
  • 22-12-2019 13:22:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4740, 13.2640 at 15 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 4 1369 2106
Pizzoli AQ 5 4326 6432
Montereale AQ 6 2581 9013
Capitignano AQ 6 665 9678
Scoppito AQ 11 3727 13405
Borbona RI 12 617 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)
52 Km E of Terni (111501 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
71 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 1.7 2019-12-22
12:22:50		 42.4738 13.264 15 2020-02-28
16:42:21		 Bollettino Sismico Italiano INGV 75986111
Reviewed
Rev100 		ML 1.8 2019-12-22
12:22:50		 42.4733 13.269 14 2019-12-22
12:32:58		 Sala Sismica INGV-Roma 74894911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-22 12:22:50 ± 0.09
Latitude 42.4738 ± 0.0036
Longitude 13.2640 ± 0.0061
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75986111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 49
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61873
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 75986111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-29 07:05:48

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 74894911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-22 12:32:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FERC.HNZ. 2019-12-22T12:24:45.79 3.0 undecidable manual Sn -7.88 0
IV.CELI.HHZ. 2019-12-22T12:24:36.31 3.0 undecidable manual Sn -1.69 0
IV.TEOL.HHZ. 2019-12-22T12:24:29.28 3.0 undecidable manual Sg 13.1 0
IV.SIRI.HNZ. 2019-12-22T12:24:15.89 3.0 undecidable manual Sn 0.3 0
ST.CARE.EHZ. 2019-12-22T12:24:09.67 3.0 undecidable manual Pg 13.63 0
IV.HAGA.HHZ. 2019-12-22T12:24:07.22 3.0 undecidable manual Pn -3.82 0
AC.VLO.HHZ. 2019-12-22T12:24:06.13 3.0 undecidable manual Pn -0.93 0
IV.MTMR.HNZ. 2019-12-22T12:23:52.62 3.0 undecidable manual Sg 1.15 0
IV.VITU.HNZ. 2019-12-22T12:23:43.96 3.0 undecidable manual Sg 1.83 0
IX.STN3.HNZ.01 2019-12-22T12:23:37.94 3.0 negative manual Pg 4.48 0
IV.MODR.HHZ. 2019-12-22T12:23:33.28 3.0 undecidable manual Sn -2.94 0
IV.MCRV.HHZ. 2019-12-22T12:23:32.14 3.0 undecidable manual Pg 4.6 0
IV.PE3.EHZ. 2019-12-22T12:23:31.05 3.0 undecidable manual S -2.09 0
IV.MTMR.HNZ. 2019-12-22T12:23:27.09 3.0 negative manual Pg 2.09 0
IV.RIBO.EHZ.01 2019-12-22T12:23:24.68 3.0 negative manual Pg 4.98 0
IV.MMO1.EHN. 2019-12-22T12:23:06.09 0.3 undecidable manual S 6 47.5191 96 0.21 67
IV.MC2.EHZ. 2019-12-22T12:23:06.94 0.1 undecidable manual S 353 48.9177 96 0.67 78
IV.NRCA.HHZ. 2019-12-22T12:23:04.46 0.1 undecidable manual S 343 41.7249 98 0.1 92
IV.ARRO.EHZ. 2019-12-22T12:23:03.86 0.1 undecidable manual S 286 42.4242 97 -0.67 77
IV.MTRA.EHE. 2019-12-22T12:23:01.78 0.3 undecidable manual S 19 33.2445 101 -0.33 67
IV.TERO.HHZ. 2019-12-22T12:23:01.48 0.1 undecidable manual S 59 32.3454 101 -0.4 89
IV.CSP1.EHZ. 2019-12-22T12:23:01.98 0.1 undecidable manual P 356 68.6757 94 -0.75 73
IV.FIAM.HHZ. 2019-12-22T12:23:00.07 0.1 undecidable manual S 208 25.752 106 -0.12 93
IT.MMP1.HGE. 2019-12-22T12:23:00.17 0.3 undecidable manual P 240 49.1175 96 0.47 64
IV.LNSS.HHZ. 2019-12-22T12:22:59.53 0.1 undecidable manual S 308 23.2545 109 0 96
IV.MC2.EHZ. 2019-12-22T12:22:59.95 0.1 undecidable manual P 353 48.9177 96 0.26 88
IV.GIGS.HHZ. 2019-12-22T12:22:59.77 0.1 undecidable manual S 95 25.3524 106 -0.31 91
IV.MMO1.EHN. 2019-12-22T12:22:59.67 0.3 undecidable manual P 6 47.5191 96 0.21 67
IV.NRCA.HHZ. 2019-12-22T12:22:58.53 0.1 negative manual P 343 41.7249 98 -0.05 93
MN.AQU.HHE. 2019-12-22T12:22:58.38 0.1 undecidable manual S 139 17.5713 118 0.23 94
IV.T1299.HNZ. 2019-12-22T12:22:58.24 0.1 undecidable manual S 5 17.871 117 0.03 97
IV.ARRO.EHZ. 2019-12-22T12:22:58.74 0.1 undecidable manual P 286 42.4242 97 0.05 93
IV.SMA1.EHZ. 2019-12-22T12:22:58.65 0.1 undecidable manual S 19 18.3705 116 0.33 91
IV.FAGN.HHZ. 2019-12-22T12:22:58.03 0.3 undecidable manual P 131 34.9428 100 0.48 64
IV.TERO.HHZ. 2019-12-22T12:22:57.01 0.1 undecidable manual P 59 32.3454 101 -0.14 93
IV.CAMP.HHE. 2019-12-22T12:22:57.05 0.1 undecidable manual S 60 13.6752 127 -0.22 94
IV.MTRA.EHE. 2019-12-22T12:22:57.15 0.3 undecidable manual P 19 33.2445 101 -0.14 70
IV.FIAM.HHZ. 2019-12-22T12:22:56.25 0.1 undecidable manual P 208 25.752 106 0.07 96
IV.RM33.EHZ. 2019-12-22T12:22:55.52 0.1 undecidable manual S 314 5.5944 155 -0.38 91
IV.SMA1.EHZ. 2019-12-22T12:22:55.28 0.1 undecidable manual P 19 18.3705 116 0.18 94
IV.LNSS.HHZ. 2019-12-22T12:22:55.89 0.1 negative manual P 308 23.2545 109 0.09 96
IV.GIGS.HHZ. 2019-12-22T12:22:55.97 0.1 undecidable manual P 95 25.3524 106 -0.14 94
MN.AQU.HHE. 2019-12-22T12:22:55.12 0.1 undecidable manual P 139 17.5713 118 0.12 96
IV.T1299.HNZ. 2019-12-22T12:22:55.18 0.1 undecidable manual P 5 17.871 117 0.15 95
IV.CAMP.HHE. 2019-12-22T12:22:54.55 0.1 positive manual P 60 13.6752 127 0.06 98
IV.RM33.EHZ. 2019-12-22T12:22:53.74 0.1 negative manual P 314 5.5944 155 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.6 0.0004348534 0.0832 AML other m 2019-12-22T12:22:55.64
IV.RM33.EHE. ML:1.6 0.00043100079999999996 0.0768 AML other m 2019-12-22T12:22:55.65
IV.RM33.EHN. ML:1.8 0.00066304315 0.0832 AML other m 2019-12-22T12:22:55.63
IV.RM33.HNN. ML:1.8 0.0006875295500000001 0.0768 AML other m 2019-12-22T12:22:55.63
IV.SMA1.EHE. ML:2.5 0.0023678410000000003 0.2176 AML other m 2019-12-22T12:22:59.08
IV.SMA1.EHN. ML:2.3 0.0014148200000000002 0.2368 AML other m 2019-12-22T12:22:59.07
IV.LNSS.HNE. ML:1.6 0.0002347755 0.2496 AML other m 2019-12-22T12:23:00.44
IV.LNSS.HNN. ML:1.7 0.00029055295 0.192 AML other m 2019-12-22T12:23:00.19
IV.FIAM.HHE. ML:1.1 0.000064702095 0.3392 AML other m 2019-12-22T12:23:00.43
IV.FIAM.HHN. ML:1.3 0.000099383235 0.4416 AML other m 2019-12-22T12:23:00.26
IV.TERO.HHE. ML:1.2 0.00005833155 0.064 AML other m 2019-12-22T12:23:03.24
IV.NRCA.HNE. ML:1.8 0.0002129235 0.1216 AML other m 2019-12-22T12:23:05.97
IV.NRCA.HHE. ML:1.9 0.00022367835 0.1216 AML other m 2019-12-22T12:23:06.03
IV.NRCA.HHN. ML:1.8 0.00020352135 0.0832 AML other m 2019-12-22T12:23:04.86
IV.ARRO.EHN. ML:1.6 0.000122666665 0.16 AML other m 2019-12-22T12:23:05.31
IV.ARRO.EHE. ML:1.7 0.00014653090499999998 0.1984 AML other m 2019-12-22T12:23:04.89
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