Earthquake with magnitude of ML 1.2 on date 27-12-2019 and time 23:18:00 (Italy) in region 5 km W Amatrice (RI)

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

  • 27-12-2019 22:18:00 (UTC)
  • 27-12-2019 23:18:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6370, 13.2340 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Amatrice RI 5 2657 2657
Cittareale RI 6 482 3139
Accumoli RI 7 667 3806
Montereale AQ 13 2581 6387
Capitignano AQ 14 665 7052
Campotosto AQ 14 542 7594
Borbona RI 16 617 8211
Arquata del Tronto AP 16 1178 9389
Posta RI 17 694 10083
Cagnano Amiterno AQ 20 1369 11452

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
83 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
96 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
Reviewed
Rev100
ML 1.2 2019-12-27
22:18:00
42.6367 13.2338 8 2019-12-27
22:21:40
Sala Sismica INGV-Roma 75025131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-27 22:18:00 ± 0.11
Latitude 42.6367 ± 0.0045
Longitude 13.2338 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75025131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 437
Semi-minor axis of confidence ellipse (meter) 283
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.41369
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 75025131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-27 22:21:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2019-12-27T22:18:15.32 0.1 undecidable manual S 25 43.0236 50 0.5 87
IV.MMO1.EHZ. 2019-12-27T22:18:10.81 0.1 undecidable manual S 15 30.1476 105 -0.12 97
IV.GAVE.EHZ. 2019-12-27T22:18:10.17 0.1 undecidable manual S 283 28.3494 105 -0.18 96
IV.MF5.EHZ. 2019-12-27T22:18:08.46 1.0 undecidable manual P 25 43.0236 50 -0.16 24
IV.NRCA.HHZ. 2019-12-27T22:18:08.97 0.1 undecidable manual S 336 23.9538 108 0.1 98
IV.FDMO.HHZ. 2019-12-27T22:18:08.84 1.0 undecidable manual P 345 45.9207 50 -0.22 23
IV.ARRO.EHZ. 2019-12-27T22:18:07.39 0.6 positive manual P 261 38.7279 50 -0.56 43
IV.LNSS.HHZ. 2019-12-27T22:18:06.86 0.1 undecidable manual S 257 16.2726 116 0.47 92
IV.MTRA.EHZ. 2019-12-27T22:18:06.87 0.1 undecidable manual S 45 18.7701 113 -0.33 95
IV.MMO1.EHZ. 2019-12-27T22:18:06.09 0.6 negative manual P 15 30.1476 105 -0.28 47
IV.NRCA.HHZ. 2019-12-27T22:18:05.15 0.1 undecidable manual P 336 23.9538 108 -0.03 100
IV.GAVE.EHZ. 2019-12-27T22:18:05.86 0.6 negative manual P 283 28.3494 105 -0.18 48
IV.RM33.EHZ. 2019-12-27T22:18:05.51 0.1 undecidable manual S 186 14.2746 119 -0.27 97
IV.SMA1.EHZ. 2019-12-27T22:18:04.44 0.1 undecidable manual S 95 8.2806 133 0.34 96
IV.MTRA.EHZ. 2019-12-27T22:18:04.03 0.3 positive manual P 45 18.7701 113 -0.19 73
IV.RM33.EHZ. 2019-12-27T22:18:03.29 0.1 positive manual P 186 14.2746 119 -0.1 100
IV.LNSS.HHZ. 2019-12-27T22:18:03.95 0.1 positive manual P 257 16.2726 116 0.2 98
IV.SMA1.EHZ. 2019-12-27T22:18:02.63 0.1 positive manual P 95 8.2806 133 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.8 0.0009785 0.26 AML other m 2019-12-27T22:18:04.62
IV.SMA1.EHN. ML:1.3 0.00029549999999999997 1.1 AML other m 2019-12-27T22:18:04.19
IV.RM33.EHN. ML:1.3 0.00020050000000000002 0.1 AML other m 2019-12-27T22:18:05.92
IV.RM33.EHE. ML:1.2 0.0001605 0.18 AML other m 2019-12-27T22:18:06.29
IV.LNSS.HHN. ML:1.0 0.00008925 1.62 AML other m 2019-12-27T22:18:06.94
IV.LNSS.HHE. ML:1.0 0.00009745 1.84 AML other m 2019-12-27T22:18:06.06
IV.MTRA.EHN. ML:1.2 0.000134 0.4 AML other m 2019-12-27T22:18:07.36
IV.MTRA.EHE. ML:1.1 0.00010545 0.16 AML other m 2019-12-27T22:18:07.82
IV.NRCA.HHN. ML:1.2 0.000105 1.9 AML other m 2019-12-27T22:18:09.04
IV.NRCA.HHE. ML:1.2 0.00011 0.96 AML other m 2019-12-27T22:18:09.05
IV.GAVE.EHN. ML:0.9 0.000042800000000000004 0.7 AML other m 2019-12-27T22:18:10.51
IV.GAVE.EHE. ML:1.0 0.0000485 0.18 AML other m 2019-12-27T22:18:11.81
IV.MF5.EHN. ML:1.4 0.00007895 0.42 AML other m 2019-12-27T22:18:22.18
IV.MF5.EHE. ML:1.4 0.0000769 0.42 AML other m 2019-12-27T22:18:29.83
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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