Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 08-12-2018 and time 22:21:44 (Italy) in region 5 km W Campotosto (AQ)

A magnitude ML 1.2 earthquake occured in region: 5 km W Campotosto (AQ), on

  • 08-12-2018 21:21:44 (UTC)
  • 08-12-2018 22:21:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5680, 13.3100 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
Campotosto AQ 5 542 542
Capitignano AQ 5 665 1207
Montereale AQ 7 2581 3788
Amatrice RI 7 2657 6445
Barete AQ 13 737 7182
Cittareale RI 14 482 7664
Cagnano Amiterno AQ 14 1369 9033
Crognaleto TE 14 1297 10330
Pizzoli AQ 15 4326 14656
Accumoli RI 15 667 15323
Borbona RI 16 617 15940
Cortino TE 17 656 16596
Posta RI 18 694 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SE of Perugia (166134 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 1.2 2018-12-08
21:21:44		 42.5677 13.31 15 2019-06-04
09:16:19		 Bollettino Sismico Italiano INGV 69169231
Reviewed
Rev100 		ML 1.2 2018-12-08
21:21:44		 42.5673 13.3102 14 2018-12-08
21:25:22		 Sala Sismica INGV-Roma 63776641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-08 21:21:44 ± 0.07
Latitude 42.5677 ± 0.0027
Longitude 13.3100 ± 0.0037
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 69169231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 75
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 69169231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-03 09:34:20

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 63776641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-08 21:25:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2018-12-08T21:21:58.38 0.6 undecidable manual S 346 39.4272 98 0.56 43
IV.MMO1.EHZ. 2018-12-08T21:21:57.29 0.3 undecidable manual S 2 36.8298 99 0.14 71
IV.NRCA.HHZ. 2018-12-08T21:21:56.06 0.3 undecidable manual S 332 33.5442 100 -0.22 71
IV.GAVE.EHZ. 2018-12-08T21:21:56.97 0.3 undecidable manual S 292 36.6411 99 -0.13 72
IV.ARRO.EHZ. 2018-12-08T21:21:53.04 0.3 undecidable manual P 272 44.5221 97 -0.06 72
IV.LNSS.HHZ. 2018-12-08T21:21:53.25 0.3 undecidable manual S -0.11 75
IV.TERO.HHZ. 2018-12-08T21:21:53.75 0.3 undecidable manual S 76 24.753 106 -0.25 71
IV.GIGS.HHZ. 2018-12-08T21:21:53.90 0.6 undecidable manual S 120 24.9528 106 -0.15 48
IV.MTRA.EHE. 2018-12-08T21:21:52.93 0.6 undecidable manual S 19 22.1556 109 -0.4 46
IV.MC2.EHZ. 2018-12-08T21:21:52.39 0.1 undecidable manual P 346 39.4272 98 0.07 96
IV.GAVE.EHZ. 2018-12-08T21:21:51.86 0.3 undecidable manual P 292 36.6411 99 -0.04 73
IV.MMO1.EHZ. 2018-12-08T21:21:51.95 0.1 positive manual P 2 36.8298 99 0.03 97
IV.NRCA.HHZ. 2018-12-08T21:21:51.37 0.1 undecidable manual P 332 33.5442 100 -0.06 98
IV.GIGS.HHZ. 2018-12-08T21:21:50.16 0.1 undecidable manual P 120 24.9528 106 0.02 100
IV.CAMP.HHE. 2018-12-08T21:21:50.36 0.6 undecidable manual S 114 8.7801 142 -0.02 51
IV.SMA1.EHN. 2018-12-08T21:21:50.02 0.6 undecidable manual S 16 7.2927 148 -0.12 50
IV.TERO.HHZ. 2018-12-08T21:21:50.13 0.3 undecidable manual P 76 24.753 106 0.03 75
IV.T1299.HNN. 2018-12-08T21:21:50.01 0.3 undecidable manual S 343 7.6812 146 -0.2 74
IV.RM33.EHZ. 2018-12-08T21:21:50.46 0.3 undecidable manual S 230 10.1787 137 -0.15 75
IV.MTRA.EHE. 2018-12-08T21:21:49.69 0.1 undecidable manual P 19 22.1556 109 -0.03 100
IV.LNSS.HHZ. 2018-12-08T21:21:49.86 0.6 undecidable manual P 0.1 50
IV.T1299.HNN. 2018-12-08T21:21:48.07 0.1 undecidable manual P 343 7.6812 146 0.15 100
IV.RM33.EHZ. 2018-12-08T21:21:48.32 0.1 undecidable manual P 230 10.1787 137 0.17 99
IV.CAMP.HHE. 2018-12-08T21:21:48.24 0.1 undecidable manual P 114 8.7801 142 0.22 99
IV.SMA1.EHN. 2018-12-08T21:21:48.07 0.1 undecidable manual P 16 7.2927 148 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.1 0.00010815978500000001 0.1536 AML other m 2018-12-08T21:21:50.82
IV.RM33.EHN. ML:1.1 0.000112746155 0.1664 AML other m 2018-12-08T21:21:50.74
IV.RM33.EHE. ML:1.3 0.00020110954999999999 0.1536 AML other m 2018-12-08T21:21:50.77
IV.RM33.HNE. ML:1.4 0.000216538 0.1408 AML other m 2018-12-08T21:21:50.78
IV.GIGS.HHE. ML:0.8 0.000034260514999999996 0.7072 AML other m 2018-12-08T21:21:52.18
IV.TERO.HNE. ML:1.0 0.000058748946 1.3344 AML other m 2018-12-08T21:21:52.26
IV.LNSS.HHN. ML:1.2 0.00009791344 0.1408 AML other m 2018-12-08T21:21:53.42
IV.TERO.HHE. ML:1.1 0.0000736302905 0.064 AML other m 2018-12-08T21:21:54.18
IV.TERO.HHN. ML:1.3 0.00010481965 0.064 AML other m 2018-12-08T21:21:54.30
IV.LNSS.HHE. ML:1.3 0.00011660392 0.128 AML other m 2018-12-08T21:21:54.37
IV.LNSS.HNE. ML:1.3 0.00011506536000000001 0.2176 AML other m 2018-12-08T21:21:54.53
IV.LNSS.HNN. ML:1.4 0.00014329309 1.424 AML other m 2018-12-08T21:21:55.18
IV.GAVE.EHE. ML:1.1 0.000047177595 0.2304 AML other m 2018-12-08T21:21:57.02
IV.GAVE.EHN. ML:1.0 0.00004008669 0.1152 AML other m 2018-12-08T21:21:59.05
IV.ARRO.EHN. ML:0.9 0.000026269035 0.192 AML other m 2018-12-08T21:22:00.54
IV.GAVE.HNE. ML:1.4 0.00009893576 0.5376 AML other m 2018-12-08T21:22:01.36
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