Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 03-01-2020 and time 03:36:27 (UTC) in region 3 km W Amatrice (RI)

A magnitude ML 1.8 earthquake occured in region: 3 km W Amatrice (RI), on

  • 03-01-2020 03:36:27 (UTC)
  • 03-01-2020 04:36:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6270, 13.2550 at 9 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
Amatrice RI 3 2657 2657
Accumoli RI 8 667 3324
Cittareale RI 8 482 3806
Montereale AQ 11 2581 6387
Campotosto AQ 12 542 6929
Capitignano AQ 12 665 7594
Borbona RI 16 617 8211
Arquata del Tronto AP 17 1178 9389
Posta RI 17 694 10083
Cagnano Amiterno AQ 19 1369 11452
Barete AQ 20 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.8 2020-01-03
03:36:27		 42.6272 13.2548 9 2020-07-18
21:08:19		 Bollettino Sismico Italiano INGV 76276451
Reviewed
Rev100 		ML 1.9 2020-01-03
03:36:27		 42.6325 13.2473 8 2020-01-03
03:42:15		 Sala Sismica INGV-Roma 75215871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-03 03:36:27 ± 0.07
Latitude 42.6272 ± 0.0045
Longitude 13.2548 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76276451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 527
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50092
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 76276451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-06 07:30:26

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 75215871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-03 03:42:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RNCA.HHZ. 2020-01-03T03:37:35.41 3.0 undecidable manual Pg 14.73 0
MN.TRI.HHZ. 2020-01-03T03:37:03.94 3.0 negative manual Pn -3.53 0
IV.FIR.HHZ. 2020-01-03T03:37:03.77 3.0 undecidable manual Pg 6.93 0
IV.CESX.HHZ. 2020-01-03T03:36:45.11 0.3 undecidable manual S 268 54.6009 50 0.25 67
IV.GUMA.HHZ. 2020-01-03T03:36:44.01 0.1 undecidable manual S 8 48.7179 50 0.7 79
IV.CSP1.EHZ. 2020-01-03T03:36:44.24 0.1 undecidable manual S 356 51.7038 50 0.14 92
IV.FDMO.HHZ. 2020-01-03T03:36:43.15 0.1 undecidable manual S 343 47.4192 50 0.2 91
IV.EPZF.HHZ. 2020-01-03T03:36:42.35 3.0 undecidable manual Pg 0.48 0
IV.MF5.EHZ. 2020-01-03T03:36:42.45 0.1 undecidable manual S 23 43.3233 50 0.58 84
IV.ARRO.EHZ. 2020-01-03T03:36:40.83 0.1 undecidable manual S 263 40.3263 50 -0.22 92
IV.MC2.EHZ. 2020-01-03T03:36:38.67 0.1 undecidable manual S 350 31.9458 50 -0.17 95
IV.MNTT.EHZ. 2020-01-03T03:36:38.19 0.1 negative manual P 30 55.5999 50 0.52 84
IV.MMO1.EHZ. 2020-01-03T03:36:38.03 0.1 undecidable manual S 11 30.747 50 -0.48 89
IV.GAVE.EHZ. 2020-01-03T03:36:38.18 0.1 undecidable manual S 284 30.2475 50 -0.2 94
IV.CESX.HHZ. 2020-01-03T03:36:37.36 0.1 undecidable manual P 268 54.6009 50 -0.15 91
IV.OFFI.HHZ. 2020-01-03T03:36:37.00 0.1 positive manual P 46 48.9177 50 0.36 88
IV.GUMA.HHZ. 2020-01-03T03:36:36.59 0.1 undecidable manual P 8 48.7179 50 -0.02 95
IV.NRCA.HHZ. 2020-01-03T03:36:36.65 0.1 undecidable manual S 333 25.5522 110 -0.26 94
IV.CSP1.EHZ. 2020-01-03T03:36:36.76 0.1 undecidable manual P 356 51.7038 50 -0.31 89
IV.FDMO.HHZ. 2020-01-03T03:36:36.21 0.1 undecidable manual P 343 47.4192 50 -0.19 92
IV.MF5.EHZ. 2020-01-03T03:36:35.83 0.1 positive manual P 23 43.3233 50 0.05 95
IV.LNSS.HHZ. 2020-01-03T03:36:34.88 0.1 undecidable manual S 261 17.6712 118 0.47 91
IV.ARRO.EHZ. 2020-01-03T03:36:34.99 0.1 positive manual P 263 40.3263 50 -0.32 90
IV.MC2.EHZ. 2020-01-03T03:36:34.14 0.1 undecidable manual P 350 31.9458 50 0.11 96
IV.TOLF.HHZ. 2020-01-03T03:36:34.55 3.0 undecidable manual Pn -2.91 0
IV.MTRA.HNZ. 2020-01-03T03:36:34.20 0.1 undecidable manual S 39 18.4704 117 -0.43 92
IV.GAVE.EHZ. 2020-01-03T03:36:33.54 0.1 positive manual P 284 30.2475 50 -0.22 94
IV.RM33.EHZ. 2020-01-03T03:36:33.21 0.1 undecidable manual S 194 13.4754 125 0.05 100
IV.CAMP.HHZ. 2020-01-03T03:36:33.48 0.1 undecidable manual S 129 16.1727 120 -0.45 92
IV.MMO1.EHZ. 2020-01-03T03:36:33.46 0.1 undecidable manual P 11 30.747 50 -0.38 91
IV.NRCA.HHZ. 2020-01-03T03:36:32.82 0.1 positive manual P 333 25.5522 110 -0.09 97
IV.SMA1.EHZ. 2020-01-03T03:36:31.70 0.1 undecidable manual S 87 6.5934 145 0.28 97
IV.MTRA.HNZ. 2020-01-03T03:36:31.41 0.1 positive manual P 39 18.4704 117 -0.19 97
IV.LNSS.HHZ. 2020-01-03T03:36:31.71 0.1 positive manual P 261 17.6712 118 0.24 96
IV.CAMP.HHZ. 2020-01-03T03:36:31.04 0.1 negative manual P 129 16.1727 120 -0.16 98
IV.SMA1.EHZ. 2020-01-03T03:36:30.06 0.1 negative manual P 87 6.5934 145 0.32 96
IV.RM33.EHZ. 2020-01-03T03:36:30.94 0.1 positive manual P 194 13.4754 125 0.19 97
IV.MTMR.HNZ. 2020-01-03T03:35:55.96 3.0 undecidable manual P -1.51 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.4 0.0044226555 0.2592 AML other m 2020-01-03T03:36:32.13
IV.SMA1.EHN. ML:2.1 0.0020894564999999997 0.16 AML other m 2020-01-03T03:36:32.02
IV.RM33.EHN. ML:2.1 0.0013090674999999999 0.12 AML other m 2020-01-03T03:36:33.79
IV.RM33.EHE. ML:2.1 0.0014765165 0.32 AML other m 2020-01-03T03:36:33.63
IV.RM33.HNN. ML:2.1 0.0013537249999999999 0.12 AML other m 2020-01-03T03:36:33.79
IV.RM33.HNE. ML:2.2 0.0015681455 0.32 AML other m 2020-01-03T03:36:33.63
IV.CAMP.HHE. ML:1.3 0.00018285793 0.3008 AML other m 2020-01-03T03:36:34.08
IV.MTRA.HNN. ML:2.2 0.0012970025 0.1888 AML other m 2020-01-03T03:36:34.64
IV.MTRA.EHN. ML:2.2 0.0012748759999999999 0.1984 AML other m 2020-01-03T03:36:34.65
IV.MTRA.EHE. ML:2.0 0.00086840245 0.2592 AML other m 2020-01-03T03:36:34.75
IV.MTRA.HNE. ML:2.0 0.0008540122999999999 0.2496 AML other m 2020-01-03T03:36:34.74
IV.LNSS.HNE. ML:1.5 0.00028873125 0.16 AML other m 2020-01-03T03:36:35.03
IV.LNSS.HHE. ML:1.5 0.00029202065 0.1408 AML other m 2020-01-03T03:36:35.04
IV.LNSS.HHN. ML:1.8 0.0004782131 0.36 AML other m 2020-01-03T03:36:35.17
IV.LNSS.HNN. ML:1.7 0.00046008735 0.36 AML other m 2020-01-03T03:36:34.99
IV.NRCA.HNN. ML:1.4 0.00016649785 0.16 AML other m 2020-01-03T03:36:37.37
IV.NRCA.HHN. ML:1.4 0.00016094185 0.16 AML other m 2020-01-03T03:36:37.37
IV.GAVE.EHN. ML:1.8 0.00030668745 0.2192 AML other m 2020-01-03T03:36:38.78
IV.GAVE.EHE. ML:1.7 0.00022109889999999998 0.16 AML other m 2020-01-03T03:36:38.82
IV.GAVE.HNN. ML:1.6 0.00018297415999999998 0.36 AML other m 2020-01-03T03:36:38.50
IV.GAVE.HNE. ML:1.8 0.00029377825 0.1808 AML other m 2020-01-03T03:36:38.90
IV.ARRO.EHN. ML:1.2 0.000060325895 0.2 AML other m 2020-01-03T03:36:41.58
IV.MF5.EHN. ML:1.8 0.00022125450000000003 0.3392 AML other m 2020-01-03T03:36:42.71
IV.MF5.EHE. ML:1.6 0.000140565655 0.5808 AML other m 2020-01-03T03:36:44.58
IV.GUMA.HNN. ML:2.1 0.0003240154 0.4896 AML other m 2020-01-03T03:36:44.43
IV.GUMA.HHN. ML:2.0 0.00027342885 0.4208 AML other m 2020-01-03T03:36:44.46
IV.GUMA.HNE. ML:1.9 0.00020775644999999999 0.7104 AML other m 2020-01-03T03:36:45.34
IV.GUMA.HHE. ML:2.1 0.0003456543 0.28 AML other m 2020-01-03T03:36:44.41
IV.CSP1.EHN. ML:1.4 0.00006181533 0.2992 AML other m 2020-01-03T03:36:44.78
IV.OFFI.HHN. ML:1.9 0.00021070375 0.4992 AML other m 2020-01-03T03:36:46.54
IV.OFFI.HHE. ML:2.0 0.00027436779999999997 0.2208 AML other m 2020-01-03T03:36:45.82
IV.CESX.HHE. ML:1.3 0.00004352636 0.2608 AML other m 2020-01-03T03:36:47.66
IV.CESX.HHN. ML:1.3 0.000046143455 0.2608 AML other m 2020-01-03T03:36:47.67
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
Waveforms Seismic signals in miniseed + resp format not available