Earthquake with magnitude of ML 1.6 on date 27-12-2019 and time 09:34:53 (Italy) in region 4 km N Amatrice (RI)

A magnitude ML 1.6 earthquake occured in region: 4 km N Amatrice (RI), on

  • 27-12-2019 08:34:53 (UTC)
  • 27-12-2019 09:34:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.67, 13.3 at 12 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.

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 4 2657 2657
Accumoli RI 5 667 3324
Arquata del Tronto AP 12 1178 4502
Cittareale RI 13 482 4984
Campotosto AQ 13 542 5526
Acquasanta Terme AP 15 2916 8442
Capitignano AQ 16 665 9107
Montereale AQ 16 2581 11688
Cortino TE 18 656 12344
Valle Castellana TE 18 977 13321
Rocca Santa Maria TE 19 537 13858
Crognaleto TE 20 1297 15155
Montegallo AP 20 523 15678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
36 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
89 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
Rev 1000 ML 1.6 2019-12-27
08:34:53
42.67 13.3 12 2020-02-28
16:42:25
Bollettino Sismico Italiano INGV 76487321
Rev 100 ML 1.6 2019-12-27
08:34:53
42.67 13.29 12 2019-12-27
08:44:46
Sala Sismica INGV-Roma 75015581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-27 08:34:53 ± 0.09
Latitude 42.67 ± 0.00
Longitude 13.30 ± 0.01
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76487321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 569
Semi-minor axis of confidence ellipse (meter) 276
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) 570
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 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.55308
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 76487321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-13 14:18:14

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 75015581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-27 08:44:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2019-12-27T08:35:13.34 0.6 undecidable manual S 285 0.5531 91 0.59 40
IV.FDMO.HHZ. 2019-12-27T08:35:08.09 0.6 undecidable manual S 337 0.402 92 -0.18 46
IV.MF5.EHZ. 2019-12-27T08:35:07.41 0.6 undecidable manual S 20 0.3426 92 0.9 37
IV.MOMA.HHZ. 2019-12-27T08:35:04.87 0.3 undecidable manual P 285 0.5531 91 0.08 68
IV.GIGS.HHZ. 2019-12-27T08:35:04.65 0.3 undecidable manual S 137 0.2923 93 -0.38 68
IV.MC2.EHZ. 2019-12-27T08:35:03.64 0.6 undecidable manual S 342 0.259 94 -0.39 45
IV.MMO1.EHZ. 2019-12-27T08:35:03.08 0.6 undecidable manual S 5 0.2338 94 -0.23 47
IV.FDMO.HHZ. 2019-12-27T08:35:02.05 1.0 undecidable manual P 337 0.402 92 -0.15 23
IV.LNSS.HHZ. 2019-12-27T08:35:02.10 0.6 undecidable manual S 252 0.2005 96 -0.23 47
IV.OFFI.HHZ. 2019-12-27T08:35:02.95 0.6 negative manual P 46 0.3903 92 0.94 35
IV.NRCA.HHZ. 2019-12-27T08:35:02.21 0.6 undecidable manual S 321 0.2158 95 -0.56 43
IV.MF5.EHZ. 2019-12-27T08:35:01.63 0.1 undecidable manual P 20 0.3426 92 0.45 87
IV.RM33.EHZ. 2019-12-27T08:35:01.23 0.6 undecidable manual S 202 0.1691 100 -0.16 48
IV.GIGS.HHZ. 2019-12-27T08:35:00.24 0.6 undecidable manual P 137 0.2923 93 -0.09 48
IV.CAMP.HHZ. 2019-12-27T08:35:00.80 0.6 undecidable manual S 148 0.1529 103 -0.12 49
IV.MMO1.EHZ. 2019-12-27T08:34:59.21 0.1 undecidable manual P 5 0.2338 94 -0.12 96
IV.MC2.EHZ. 2019-12-27T08:34:59.59 0.1 undecidable manual P 342 0.259 94 -0.16 95
IV.MTRA.HNZ. 2019-12-27T08:34:59.56 0.6 undecidable manual S 38 0.1151 115 -0.31 47
IV.NRCA.HHZ. 2019-12-27T08:34:58.76 0.1 positive manual P 321 0.2158 95 -0.26 94
IV.T1299.EHE. 2019-12-27T08:34:58.19 0.6 undecidable manual S 202 0.0342 158 -0.02 50
IV.CAMP.HHZ. 2019-12-27T08:34:58.00 0.1 undecidable manual P 148 0.1529 103 0.05 99
IV.SMA1.EHZ. 2019-12-27T08:34:58.43 0.6 undecidable manual S 143 0.0441 152 0.09 51
IV.RM33.EHZ. 2019-12-27T08:34:58.26 0.1 positive manual P 202 0.1691 100 0.04 99
IV.LNSS.HHZ. 2019-12-27T08:34:58.65 0.1 positive manual P 252 0.2005 96 -0.12 97
IV.MTRA.HNZ. 2019-12-27T08:34:57.33 0.1 undecidable manual P 38 0.1151 115 -0.02 100
IV.T1299.EHE. 2019-12-27T08:34:56.64 0.1 undecidable manual P 202 0.0342 158 0.25 98
IV.SMA1.EHZ. 2019-12-27T08:34:56.71 0.1 negative manual P 143 0.0441 152 0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.8 0.00089941885 0.1408 AML other m 2019-12-27T08:34:58.53
IV.SMA1.EHE. ML:1.8 0.0008600722 0.1024 AML other m 2019-12-27T08:34:58.59
IV.MTRA.EHE. ML:1.6 0.0004087114 0.256 AML other m 2019-12-27T08:35:00.60
IV.MTRA.HNE. ML:1.6 0.00038208295 0.256 AML other m 2019-12-27T08:35:00.60
IV.MTRA.HNN. ML:1.7 0.0005350819 0.1792 AML other m 2019-12-27T08:35:00.07
IV.MTRA.EHN. ML:1.7 0.0005264576 0.1792 AML other m 2019-12-27T08:35:00.08
IV.RM33.HNE. ML:1.3 0.000143494105 0.9792 AML other m 2019-12-27T08:34:59.48
IV.RM33.EHN. ML:1.4 0.0002116287 0.16 AML other m 2019-12-27T08:35:01.87
IV.RM33.HNN. ML:1.5 0.00022612922 0.1728 AML other m 2019-12-27T08:35:01.87
IV.RM33.EHE. ML:1.2 0.00012729465 0.1792 AML other m 2019-12-27T08:35:01.96
IV.LNSS.HNN. ML:1.4 0.000163587005 0.2304 AML other m 2019-12-27T08:35:02.28
IV.LNSS.HNE. ML:1.6 0.00024617805 0.1408 AML other m 2019-12-27T08:35:02.39
IV.LNSS.HHE. ML:1.6 0.0002699163 0.1408 AML other m 2019-12-27T08:35:02.46
IV.LNSS.HHN. ML:1.4 0.0001580037 0.1344 AML other m 2019-12-27T08:35:02.46
IV.NRCA.HHN. ML:1.7 0.0002686352 0.16 AML other m 2019-12-27T08:35:02.46
IV.NRCA.HNN. ML:1.6 0.0002471423 0.16 AML other m 2019-12-27T08:35:02.46
IV.NRCA.HHE. ML:1.8 0.00038755455 0.1024 AML other m 2019-12-27T08:35:02.60
IV.NRCA.HNE. ML:1.8 0.0003694403 0.1792 AML other m 2019-12-27T08:35:02.60
IV.GIGS.HHN. ML:0.8 2.4798317E-5 0.1408 AML other m 2019-12-27T08:35:05.20
IV.GIGS.HHE. ML:0.7 2.1901805E-5 0.1024 AML other m 2019-12-27T08:35:04.95
IV.MF5.EHE. ML:1.5 0.000110764235 0.544 AML other m 2019-12-27T08:35:08.21
IV.MF5.EHN. ML:1.4 8.923124E-5 0.3648 AML other m 2019-12-27T08:35:09.80
IV.FDMO.HHE. ML:0.9 2.42412E-5 0.2176 AML other m 2019-12-27T08:35:08.63
IV.FDMO.HHN. ML:1.1 3.8163625E-5 0.2624 AML other m 2019-12-27T08:35:08.39
IV.OFFI.HHE. ML:1.8 0.0001951148 0.2816 AML other m 2019-12-27T08:35:12.11
IV.OFFI.HHN. ML:1.7 0.00015389545 0.7808 AML other m 2019-12-27T08:35:16.25
IV.MOMA.HHE. ML:1.5 6.0019E-5 0.1984 AML other m 2019-12-27T08:35:14.95
IV.MOMA.HHN. ML:1.4 5.5922085E-5 0.1792 AML other m 2019-12-27T08:35:14.94
IV.MOMA.HNN. ML:1.9 0.00015726375 0.7744 AML other m 2019-12-27T08:35:20.74
IV.MOMA.HNE. ML:1.8 0.00013862175 0.7552 AML other m 2019-12-27T08:35:29.93
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download