Earthquake with magnitude of ML 1.5 on date 21-12-2016 and time 15:22:53 (Italy) in region 3 km NW Montereale (AQ)

A magnitude ML 1.5 earthquake occured in region: 3 km NW Montereale (AQ), on

  • 21-12-2016 14:22:53 (UTC)
  • 21-12-2016 15:22:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5420, 13.2140 at 11 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
Montereale AQ 3 2581 2581
Borbona RI 7 617 3198
Capitignano AQ 8 665 3863
Cagnano Amiterno AQ 9 1369 5232
Cittareale RI 10 482 5714
Posta RI 10 694 6408
Barete AQ 12 737 7145
Amatrice RI 12 2657 9802
Campotosto AQ 13 542 10344
Pizzoli AQ 14 4326 14670
Micigliano RI 16 127 14797
Accumoli RI 17 667 15464
Antrodoco RI 18 2588 18052
Scoppito AQ 19 3727 21779
Borgo Velino RI 20 972 22751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
81 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
94 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
Reviewed
Rev100
ML 1.5 2016-12-21
14:22:53
42.5418 13.2137 11 2016-12-21
14:30:56
Sala Sismica INGV-Roma 37340471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-12-21 14:22:53 ± 0.06
Latitude 42.5418 ± 0.0045
Longitude 13.2137 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 37340471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 507
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.03327
Epicentral distance of station farthest from the epicenter (degree) 0.36333
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 37340471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-12-21 14:30:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2016-12-21T14:23:04.68 0.6 undecidable manual S 74 33.1446 90 -0.31 45
IV.T1243.HHZ. 2016-12-21T14:23:03.00 0.6 undecidable manual S 48 25.752 90 -0.01 48
IV.T1211.EHZ. 2016-12-21T14:23:03.93 0.6 undecidable manual S 268 29.3484 90 -0.04 48
IV.T1215.EHZ. 2016-12-21T14:23:01.47 0.3 undecidable manual P 316 40.3263 90 0.15 69
IV.T1247.HHZ. 2016-12-21T14:23:00.21 0.3 undecidable manual S 148 13.0758 100 0.56 65
IV.LNSS.HHZ. 2016-12-21T14:23:00.35 0.6 undecidable manual S 296 15.6732 91 0.02 49
IV.T1218.EHZ. 2016-12-21T14:23:00.27 0.6 undecidable manual S 331 16.2726 91 -0.23 47
IV.TERO.HHZ. 2016-12-21T14:23:00.20 0.3 undecidable manual P 74 33.1446 90 -0.01 71
IV.CAMP.HHE. 2016-12-21T14:23:00.27 0.6 undecidable manual S 92 15.9729 91 -0.15 48
IV.SMA1.EHZ. 2016-12-21T14:22:59.93 0.3 undecidable manual S 45 13.9749 94 0.05 73
IV.T1299.EHZ. 2016-12-21T14:22:59.10 0.6 undecidable manual S 29 11.6772 110 -0.18 48
IV.T1211.EHZ. 2016-12-21T14:22:59.69 0.1 undecidable manual P 268 29.3484 90 0.06 95
IV.T1243.HHZ. 2016-12-21T14:22:58.96 0.1 undecidable manual P 48 25.752 90 -0.11 94
IV.RM33.EHZ. 2016-12-21T14:22:57.14 0.3 undecidable manual S 179 3.6963 156 -0.61 66
IV.T1299.EHZ. 2016-12-21T14:22:57.08 0.1 undecidable manual P 29 11.6772 110 0.16 96
IV.T1218.EHZ. 2016-12-21T14:22:57.65 0.3 undecidable manual P 331 16.2726 91 0.02 74
IV.CAMP.HHE. 2016-12-21T14:22:57.71 0.1 undecidable manual P 92 15.9729 91 0.14 96
IV.SMA1.EHZ. 2016-12-21T14:22:57.52 0.1 positive manual P 45 13.9749 94 0.25 94
IV.LNSS.HHZ. 2016-12-21T14:22:57.65 0.1 undecidable manual P 296 15.6732 91 0.12 96
IV.RM33.EHZ. 2016-12-21T14:22:56.00 0.1 undecidable manual P 179 3.6963 156 -0.04 100
IV.T1247.HHZ. 2016-12-21T14:22:56.81 0.3 undecidable manual P 148 13.0758 100 -0.32 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.2 0.00012555 0.38 AML other m 2016-12-21T14:23:00.53
IV.LNSS.HHN. ML:1.3 0.00017099999999999998 0.76 AML other m 2016-12-21T14:23:01.67
IV.RM33.EHE. ML:1.6 0.000598 0.44 AML other m 2016-12-21T14:22:57.26
IV.RM33.HNE. ML:1.6 0.0006325 0.44 AML other m 2016-12-21T14:22:57.26
IV.RM33.EHN. ML:1.7 0.0007715 0.34 AML other m 2016-12-21T14:22:57.34
IV.RM33.HNN. ML:1.7 0.000782 0.34 AML other m 2016-12-21T14:22:57.17
IV.SMA1.EHN. ML:1.3 0.0001995 1.32 AML other m 2016-12-21T14:23:00.27
IV.SMA1.EHE. ML:1.5 0.0003095 0.54 AML other m 2016-12-21T14:23:00.31
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download