Earthquake with magnitude of ML 1.4 on date 18-12-2020 and time 01:16:00 (UTC) in region 5 km NW Montereale (AQ)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Montereale (AQ), on

  • 18-12-2020 01:16:00 (UTC)
  • 18-12-2020 02:16:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.566, 13.22 at 11 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
Montereale AQ 5 2581 2581
Cittareale RI 8 482 3063
Capitignano AQ 8 665 3728
Amatrice RI 9 2657 6385
Borbona RI 9 617 7002
Posta RI 11 694 7696
Cagnano Amiterno AQ 12 1369 9065
Campotosto AQ 12 542 9607
Barete AQ 14 737 10344
Accumoli RI 15 667 11011
Pizzoli AQ 16 4326 15337
Micigliano RI 19 127 15464
Antrodoco RI 20 2588 18052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
96 Km NE of Roma (2864731 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 1.4 2020-12-18
01:16:00
42.5663 13.2197 11 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87382851
Reviewed
Rev100
ML 1.4 2020-12-18
01:16:00
42.5678 13.2197 14 2020-12-18
01:24:09
Sala Sismica INGV-Roma 85504571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-18 01:16:00 ± 0.09
Latitude 42.5663 ± 0.0045
Longitude 13.2197 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87382851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 517
Semi-minor axis of confidence ellipse (meter) 501
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 520
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.75003
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 87382851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-22 16:38:49

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 85504571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-18 01:24:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-12-18T01:16:19.31 0.6 undecidable manual S 297 0.5333 50 0.75 38
IV.CSP1.EHZ. 2020-12-18T01:16:18.78 0.6 undecidable manual S 359 0.5252 50 0.45 42
IV.MF5.EHZ. 2020-12-18T01:16:17.41 0.6 undecidable manual S 23 0.4569 50 1.12 32
IV.CESI.HHZ. 2020-12-18T01:16:17.63 0.6 undecidable manual S 332 0.4955 50 0.18 45
IV.FDMO.HHZ. 2020-12-18T01:16:17.49 0.6 undecidable manual S 348 0.4802 50 0.5 42
IV.ATCC.EHZ. 2020-12-18T01:16:14.66 0.3 undecidable manual P 326 0.75 50 0.1 65
IV.MC2.EHZ. 2020-12-18T01:16:13.31 0.6 undecidable manual S 356 0.3453 50 0.3 45
IV.MMO1.EHZ. 2020-12-18T01:16:12.84 0.3 undecidable manual S 13 0.3417 50 -0.06 71
IV.MNTT.EHZ. 2020-12-18T01:16:12.20 0.3 undecidable manual P 29 0.5666 50 0.78 55
IV.FIAM.HHZ. 2020-12-18T01:16:11.74 0.3 undecidable manual S 194 0.3076 50 -0.14 70
IV.MOMA.HHZ. 2020-12-18T01:16:11.34 0.6 undecidable manual P 297 0.5333 50 0.5 41
IV.OFFI.HHZ. 2020-12-18T01:16:11.10 0.1 undecidable manual P 43 0.5027 50 0.78 75
IV.GUMA.HHZ. 2020-12-18T01:16:10.52 0.3 undecidable manual P 10 0.5036 50 0.19 67
IV.NRCA.HHZ. 2020-12-18T01:16:10.40 0.3 undecidable manual S 344 0.2779 50 -0.61 63
IV.GAVE.EHZ. 2020-12-18T01:16:10.27 0.3 undecidable manual S 298 0.2707 50 -0.51 65
IV.CESI.HHZ. 2020-12-18T01:16:10.00 0.3 undecidable manual P 332 0.4955 50 -0.2 67
IV.TERO.HHZ. 2020-12-18T01:16:10.77 0.3 undecidable manual S 79 0.2887 50 -0.54 64
MN.AQU.HNZ. 2020-12-18T01:16:10.61 0.6 undecidable manual S 147 0.2527 50 0.36 45
IV.CSP1.EHZ. 2020-12-18T01:16:10.47 0.1 undecidable manual P 359 0.5252 50 -0.24 88
IV.FDMO.HHZ. 2020-12-18T01:16:09.74 0.3 undecidable manual P 348 0.4802 50 -0.19 67
IV.MF5.EHZ. 2020-12-18T01:16:09.84 0.1 undecidable manual P 23 0.4569 50 0.31 88
IV.MTRA.EHZ. 2020-12-18T01:16:08.95 0.3 undecidable manual S 34 0.2302 50 -0.65 62
IV.MMO1.EHZ. 2020-12-18T01:16:07.31 0.1 undecidable manual P 13 0.3417 50 -0.26 91
IV.MC2.EHZ. 2020-12-18T01:16:07.52 0.3 undecidable manual P 356 0.3453 50 -0.12 70
IV.TERO.HHZ. 2020-12-18T01:16:06.39 0.1 undecidable manual P 79 0.2887 50 -0.26 92
MN.AQU.HNZ. 2020-12-18T01:16:06.48 0.3 undecidable manual P 147 0.2527 50 0.44 67
IV.FIAM.HHZ. 2020-12-18T01:16:06.83 0.3 undecidable manual P 194 0.3076 50 -0.15 70
IV.LNSS.HHZ. 2020-12-18T01:16:06.72 0.6 undecidable manual S 286 0.1367 126 -0.09 49
IV.NRCA.HHZ. 2020-12-18T01:16:06.16 0.1 undecidable manual P 344 0.2779 50 -0.32 91
IV.CAMP.HHZ. 2020-12-18T01:16:06.73 0.6 undecidable manual S 102 0.143 125 -0.26 47
IV.GAVE.EHZ. 2020-12-18T01:16:06.19 0.3 undecidable manual P 298 0.2707 50 -0.16 71
IV.SMA1.EHZ. 2020-12-18T01:16:05.91 0.1 undecidable manual S 53 0.1061 133 0.01 100
IV.MTRA.EHZ. 2020-12-18T01:16:05.38 0.1 undecidable manual P 34 0.2302 50 -0.28 92
IV.T1299.EHZ. 2020-12-18T01:16:05.09 0.3 undecidable manual S 34 0.0818 140 -0.16 73
IV.CAMP.HHZ. 2020-12-18T01:16:04.14 0.3 undecidable manual P 102 0.143 125 -0.02 74
IV.LNSS.HHZ. 2020-12-18T01:16:04.06 0.1 undecidable manual P 286 0.1367 126 0.01 100
IV.SMA1.EHZ. 2020-12-18T01:16:03.71 0.1 undecidable manual P 53 0.1061 133 0.18 97
IV.T1299.EHZ. 2020-12-18T01:16:03.28 0.1 undecidable manual P 34 0.0818 140 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.9 0.0008045 0.44 AML other m 2020-12-18T01:16:06.26
IV.SMA1.EHE. ML:2.2 0.001565 0.5 AML other m 2020-12-18T01:16:06.32
IV.LNSS.HHE. ML:1.4 0.000251 0.12 AML other m 2020-12-18T01:16:06.96
IV.LNSS.HHN. ML:1.4 0.000222 0.32 AML other m 2020-12-18T01:16:07.82
IV.CAMP.HHE. ML:0.8 5.4E-5 0.26 AML other m 2020-12-18T01:16:08.40
IV.CAMP.HHN. ML:1 8.93E-5 1.66 AML other m 2020-12-18T01:16:09.14
IV.MTRA.EHN. ML:1.7 0.000269 0.96 AML other m 2020-12-18T01:16:09.84
IV.MTRA.EHE. ML:1.8 0.0003295 0.36 AML other m 2020-12-18T01:16:09.99
IV.NRCA.HHN. ML:1.6 0.000179 0.12 AML other m 2020-12-18T01:16:10.63
IV.NRCA.HHE. ML:1.8 0.000318 0.36 AML other m 2020-12-18T01:16:10.82
IV.TERO.HHN. ML:1.3 9.41E-5 1.78 AML other m 2020-12-18T01:16:10.90
IV.TERO.HHE. ML:1.2 7.405E-5 1.06 AML other m 2020-12-18T01:16:11.23
IV.GAVE.EHN. ML:1.1 6.05E-5 1.22 AML other m 2020-12-18T01:16:13.02
IV.GAVE.EHE. ML:1.2 7.16E-5 1.22 AML other m 2020-12-18T01:16:13.06
IV.CESI.HHE. ML:1.1 2.865E-5 1.76 AML other m 2020-12-18T01:16:18.03
IV.CESI.HHN. ML:1.2 3.925E-5 1.84 AML other m 2020-12-18T01:16:18.92
IV.GUMA.HHN. ML:1.6 9.555E-5 0.54 AML other m 2020-12-18T01:16:19.47
IV.GUMA.HHE. ML:1.7 0.00010835 0.22 AML other m 2020-12-18T01:16:19.57
IV.MOMA.HHE. ML:1.2 3.3E-5 0.46 AML other m 2020-12-18T01:16:19.69
IV.FDMO.HHN. ML:0.9 2.04E-5 0.42 AML other m 2020-12-18T01:16:19.75
IV.MOMA.HHN. ML:1.2 2.765E-5 0.16 AML other m 2020-12-18T01:16:20.29
IV.FDMO.HHE. ML:1 2.285E-5 1 AML other m 2020-12-18T01:16:21.05
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