Earthquake with magnitude of ML 1.0 on date 11-12-2019 and time 20:49:33 (Italy) in region 2 km W Amatrice (RI)

A magnitude ML 1.0 earthquake occured in region: 2 km W Amatrice (RI), on

  • 11-12-2019 19:49:33 (UTC)
  • 11-12-2019 20:49:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6230, 13.2620 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 2 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 18 1369 11452
Barete AQ 19 737 12189
Crognaleto TE 20 1297 13486

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
80 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 1.0 2019-12-11
19:49:33
42.6227 13.2615 12 2020-02-28
16:42:19
Bollettino Sismico Italiano INGV 75517151
Reviewed
Rev100
ML 1.0 2019-12-11
19:49:34
42.6182 13.2602 12 2019-12-11
19:55:37
Sala Sismica INGV-Roma 74560471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-11 19:49:33 ± 0.07
Latitude 42.6227 ± 0.0036
Longitude 13.2615 ± 0.0049
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 75517151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 329
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 339
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.53869
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 75517151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-13 15:16:24

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74560471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-11 19:55:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HNZ. 2019-12-11T19:49:52.74 0.6 undecidable manual S 290 59.7957 92 0.37 44
IV.MOMA.HNZ. 2019-12-11T19:49:44.24 0.6 undecidable manual P 290 59.7957 92 -0.34 43
IV.MMO1.EHN. 2019-12-11T19:49:44.97 0.3 undecidable manual S 10 31.1466 94 0.25 70
IV.MC2.EHZ. 2019-12-11T19:49:44.94 0.3 undecidable manual S 350 32.5452 94 -0.16 71
IV.NRCA.HNZ. 2019-12-11T19:49:43.27 0.6 undecidable manual S 333 26.2515 95 -0.16 48
IV.TERO.HHZ. 2019-12-11T19:49:43.69 0.3 undecidable manual S 90 27.9498 95 -0.18 72
IV.LNSS.HHZ. 2019-12-11T19:49:41.13 0.3 undecidable manual S 263 18.1707 103 -0.16 73
IV.MTRA.EHZ. 2019-12-11T19:49:41.12 0.1 undecidable manual S 36 18.4704 102 -0.25 96
IV.MMO1.EHN. 2019-12-11T19:49:40.33 0.3 undecidable manual P 10 31.1466 94 0.16 72
IV.MC2.EHZ. 2019-12-11T19:49:40.39 0.3 undecidable manual P 350 32.5452 94 0.01 74
IV.NRCA.HNZ. 2019-12-11T19:49:39.41 0.1 undecidable manual P 333 26.2515 95 -0.01 99
IV.TERO.HHZ. 2019-12-11T19:49:39.63 0.1 undecidable manual P 90 27.9498 95 -0.04 98
IV.RM33.EHZ. 2019-12-11T19:49:39.84 0.3 undecidable manual S 197 13.1757 116 -0.18 74
IV.LNSS.HHZ. 2019-12-11T19:49:38.26 0.1 undecidable manual P 263 18.1707 103 0.08 100
IV.SMA1.EHZ. 2019-12-11T19:49:38.65 0.3 undecidable manual S 82 6.0939 146 0.05 76
IV.MTRA.EHZ. 2019-12-11T19:49:38.34 0.1 undecidable manual P 36 18.4704 102 0.12 99
IV.RM33.EHZ. 2019-12-11T19:49:37.59 0.1 undecidable manual P 197 13.1757 116 0.14 99
IV.T1299.HNZ. 2019-12-11T19:49:37.85 0.1 undecidable manual S 53 2.0979 168 -0.32 98
IV.SMA1.EHZ. 2019-12-11T19:49:36.93 0.1 undecidable manual P 82 6.0939 146 0.3 96
IV.T1299.HNZ. 2019-12-11T19:49:36.55 0.1 undecidable manual P 53 2.0979 168 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.0005292518 0.2816 AML other m 2019-12-11T19:49:38.95
IV.SMA1.EHN. ML:1.0 0.000140161755 0.1024 AML other m 2019-12-11T19:49:39.07
IV.RM33.HNN. ML:1.1 0.00010941141 0.0896 AML other m 2019-12-11T19:49:40.25
IV.RM33.EHN. ML:1.0 0.00010110029000000001 0.1024 AML other m 2019-12-11T19:49:40.26
IV.RM33.EHE. ML:0.9 0.00007756026500000001 0.2432 AML other m 2019-12-11T19:49:40.72
IV.LNSS.HHE. ML:0.7 0.00003690428 0.1664 AML other m 2019-12-11T19:49:41.33
IV.MTRA.EHN. ML:0.8 0.000052140525 0.0896 AML other m 2019-12-11T19:49:41.43
IV.MTRA.EHE. ML:0.9 0.00006561338 0.1792 AML other m 2019-12-11T19:49:42.07
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