Earthquake with magnitude of ML 1.6 on date 25-02-2019 and time 08:06:44 (UTC) in region 4 km W Amatrice (RI)

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

  • 25-02-2019 08:06:44 (UTC)
  • 25-02-2019 09:06:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.62, 13.24 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
Amatrice RI 4 2657 2657
Cittareale RI 6 482 3139
Accumoli RI 8 667 3806
Montereale AQ 11 2581 6387
Capitignano AQ 12 665 7052
Campotosto AQ 13 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Arquata del Tronto AP 18 1178 10083
Cagnano Amiterno AQ 18 1369 11452
Barete AQ 19 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
82 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
96 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
Rev 1000 ML 1.6 2019-02-25
08:06:44
42.62 13.24 11 2019-08-22
08:24:53
Bollettino Sismico Italiano INGV 66657121
Rev 100 ML 1.6 2019-02-25
08:06:43
42.62 13.23 14 2019-02-25
08:13:41
Sala Sismica INGV-Roma 65940161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-25 08:06:44 ± 0.06
Latitude 42.62 ± 0.00
Longitude 13.24 ± 0.00
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 66657121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 480
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.82738
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 66657121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-18 09:36:33

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 65940161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-25 08:13:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ASSB.HHN. 2019-02-25T08:07:05.33 0.6 undecidable manual S 315 0.5989 90 0.96 35
IV.MML1.HNE. 2019-02-25T08:07:02.99 0.6 undecidable manual S 338 0.5297 90 0.67 40
IV.FDMO.HHZ. 2019-02-25T08:06:59.52 0.6 undecidable manual S 345 0.4299 90 0.16 47
IV.MURB.HHZ. 2019-02-25T08:06:58.16 3.0 undecidable manual P 0.8274 -1.59 0
IV.ARRO.EHZ. 2019-02-25T08:06:57.43 0.6 undecidable manual S 263 0.3507 90 0.39 46
IV.ASSB.HHN. 2019-02-25T08:06:56.06 0.6 undecidable manual P 315 0.5989 90 0.22 45
IV.MMO1.EHZ. 2019-02-25T08:06:55.12 0.6 undecidable manual S 13 0.2851 91 0.04 50
IV.GIGS.HHZ. 2019-02-25T08:06:55.38 0.6 undecidable manual S 124 0.2977 91 -0.07 48
IV.T0110.HHZ. 2019-02-25T08:06:55.28 0.6 undecidable manual P 135 0.5567 90 0.15 47
IV.TERO.HHZ. 2019-02-25T08:06:54.35 0.6 undecidable manual S 90 0.268 91 -0.23 47
IV.MML1.HNE. 2019-02-25T08:06:54.61 0.6 undecidable manual P 338 0.5297 90 -0.04 47
IV.VCEL.EHN. 2019-02-25T08:06:54.59 0.6 undecidable manual P 117 0.4973 90 0.48 44
IV.CSP1.EHZ. 2019-02-25T08:06:53.54 3.0 negative manual P 0.13 0
IV.CESI.HHE. 2019-02-25T08:06:53.09 0.6 undecidable manual P 327 0.4551 90 -0.29 45
IV.FDMO.HHZ. 2019-02-25T08:06:52.68 0.3 undecidable manual P 345 0.4299 90 -0.26 69
IV.NRCA.HHZ. 2019-02-25T08:06:52.96 0.6 undecidable manual S 337 0.2311 91 -0.52 45
IV.MTRA.EHZ. 2019-02-25T08:06:51.48 0.6 undecidable manual S 40 0.1781 92 -0.42 47
IV.CAMP.HHE. 2019-02-25T08:06:51.10 0.6 undecidable manual S 124 0.1511 93 -0.02 51
IV.ARRO.EHZ. 2019-02-25T08:06:51.33 0.6 undecidable manual P 263 0.3507 90 -0.27 46
IV.GIGS.HHZ. 2019-02-25T08:06:50.52 0.6 undecidable manual P 124 0.2977 91 -0.17 48
IV.MC2.EHZ. 2019-02-25T08:06:50.60 3.0 negative manual P 0.24 0
IV.RM33.EHZ. 2019-02-25T08:06:50.00 0.3 undecidable manual S 189 0.1142 107 -0.02 77
IV.TERO.HHZ. 2019-02-25T08:06:50.09 0.6 undecidable manual P 90 0.268 91 -0.09 49
IV.LNSS.HHZ. 2019-02-25T08:06:50.74 0.6 undecidable manual S 263 0.1475 93 -0.27 48
IV.MMO1.EHZ. 2019-02-25T08:06:50.38 0.6 undecidable manual P 13 0.2851 91 -0.09 49
IV.GAVE.EHZ. 2019-02-25T08:06:49.81 0.6 undecidable manual P 286 0.2635 91 -0.29 47
IV.SMA1.EHZ. 2019-02-25T08:06:49.19 0.6 undecidable manual S 83 0.071 132 0.26 49
IV.NRCA.HHZ. 2019-02-25T08:06:49.18 0.3 undecidable manual P 337 0.2311 91 -0.37 70
IV.T1299.HNN. 2019-02-25T08:06:48.25 0.6 undecidable manual S 68 0.0342 156 -0.04 52
IV.MTRA.EHZ. 2019-02-25T08:06:48.46 0.3 undecidable manual P 40 0.1781 92 -0.18 74
IV.CAMP.HHE. 2019-02-25T08:06:48.28 0.3 undecidable manual P 124 0.1511 93 0.09 76
IV.RM33.EHZ. 2019-02-25T08:06:47.65 0.3 undecidable manual P 189 0.1142 107 0.1 76
IV.LNSS.HHZ. 2019-02-25T08:06:47.99 0.1 positive manual P 263 0.1475 93 -0.13 99
IV.SMA1.EHZ. 2019-02-25T08:06:47.29 0.6 undecidable manual P 83 0.071 132 0.37 48
IV.T1299.HNN. 2019-02-25T08:06:46.74 0.1 positive manual P 68 0.0342 156 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.8 0.00092380695 0.2368 AML other m 2019-02-25T08:06:49.62
IV.SMA1.EHE. ML:2.2 0.002125126 0.224 AML other m 2019-02-25T08:06:49.48
IV.RM33.HNE. ML:1.9 0.0007737774 0.1472 AML other m 2019-02-25T08:06:50.40
IV.RM33.EHE. ML:1.9 0.00076516005 0.16 AML other m 2019-02-25T08:06:50.40
IV.RM33.EHN. ML:1.7 0.00048295765 0.2368 AML other m 2019-02-25T08:06:50.08
IV.RM33.HNN. ML:1.7 0.0005015136 0.2432 AML other m 2019-02-25T08:06:50.08
IV.LNSS.HHE. ML:1.3 0.0001734995 0.096 AML other m 2019-02-25T08:06:51.48
IV.LNSS.HHN. ML:1.3 0.00017855325 0.1792 AML other m 2019-02-25T08:06:50.78
IV.MTRA.HNE. ML:1.6 0.00026379876 0.2112 AML other m 2019-02-25T08:06:52.43
IV.MTRA.EHN. ML:1.5 0.0002092386 0.1216 AML other m 2019-02-25T08:06:51.58
IV.MTRA.EHE. ML:1.6 0.00026535115 0.224 AML other m 2019-02-25T08:06:52.44
IV.NRCA.HHN. ML:1.5 0.000160042635 0.16 AML other m 2019-02-25T08:06:53.14
IV.NRCA.HHE. ML:1.6 0.00020034265 0.0768 AML other m 2019-02-25T08:06:53.17
IV.NRCA.HNE. ML:1.7 0.00026016986 0.2112 AML other m 2019-02-25T08:06:53.57
IV.TERO.HHN. ML:1.4 0.000115103625 0.0768 AML other m 2019-02-25T08:06:55.58
IV.TERO.HHE. ML:1.1 6.3588205E-5 0.1024 AML other m 2019-02-25T08:06:55.88
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