Earthquake with magnitude of ML 1.4 on date 22-03-2020 and time 17:23:55 (Italy) in region 4 km W Amatrice (RI)

A magnitude ML 1.4 earthquake occured in region: 4 km W Amatrice (RI), on

  • 22-03-2020 16:23:55 (UTC)
  • 22-03-2020 17:23:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.64, 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
Accumoli RI 6 667 3324
Cittareale RI 7 482 3806
Montereale AQ 13 2581 6387
Capitignano AQ 14 665 7052
Campotosto AQ 14 542 7594
Arquata del Tronto AP 16 1178 8772
Borbona RI 16 617 9389
Posta RI 17 694 10083
Cagnano Amiterno AQ 20 1369 11452

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km W of Chieti (51815 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
87 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
Bulletin
Rev1000
ML 1.4 2020-03-22
16:23:55
42.64 13.24 11 2020-07-18
21:08:30
Bollettino Sismico Italiano INGV 77785401
Reviewed
Rev100
ML 1.5 2020-03-22
16:23:55
42.65 13.24 10 2020-03-22
16:29:38
Sala Sismica INGV-Roma 77470641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-22 16:23:55 ± 0.06
Latitude 42.64 ± 0.00
Longitude 13.24 ± 0.01
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 77785401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 463
Semi-minor axis of confidence ellipse (meter) 369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 460
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.45326
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 18
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 77785401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-02 10:36:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 77470641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-22 16:29:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
SL.BOJS.BHZ. 2020-03-22T16:25:28.12 3.0 undecidable manual Sg 10.29 0
RF.GEPF.HHZ. 2020-03-22T16:25:26.19 3.0 undecidable manual Sn 0.39 0
GU.BLANC.HHZ. 2020-03-22T16:25:25.28 3.0 negative manual Pg 19.66 0
IV.HLNI.HHZ. 2020-03-22T16:25:09.57 3.0 undecidable manual Pn 4.3 0
OT.OT05.EHZ. 2020-03-22T16:25:00.10 3.0 undecidable manual Sg 11.54 0
IV.PIPA.HHZ. 2020-03-22T16:24:54.57 3.0 positive manual Pn 5.08 0
IV.RIBO.EHZ.01 2020-03-22T16:24:38.31 3.0 undecidable manual Sg 7 0
IV.IOCA.HHZ. 2020-03-22T16:24:23.92 3.0 negative manual Pg 5.52 0
IV.NARO.HHZ. 2020-03-22T16:24:23.29 3.0 undecidable manual Sn -0.39 0
IT.RMVT.HGZ. 2020-03-22T16:24:14.79 3.0 undecidable manual Sn -0.49 0
IV.ROSPO.HHZ. 2020-03-22T16:24:13.03 3.0 undecidable manual Pn 0.12 0
IV.LRP.EHZ. 2020-03-22T16:24:11.81 3.0 positive manual Pg 5.05 0
IV.MF5.EHZ. 2020-03-22T16:24:10.58 0.6 undecidable manual S 25 0.3849 50 1 35
IV.MC2.EHZ. 2020-03-22T16:24:07.11 0.6 undecidable manual S 353 0.2752 50 0.8 39
MN.AQU.HNN. 2020-03-22T16:24:07.76 0.3 undecidable manual S 156 0.3103 50 0.4 67
IV.GIGS.HHZ. 2020-03-22T16:24:06.91 0.6 undecidable manual S 127 0.3094 50 -0.41 45
IV.MMO1.EHZ. 2020-03-22T16:24:06.29 0.6 undecidable manual S 14 0.2689 50 0.16 47
IV.TERO.HHZ. 2020-03-22T16:24:05.70 0.6 undecidable manual S 93 0.2698 50 -0.47 44
IV.CESI.HHE. 2020-03-22T16:24:04.56 0.6 undecidable manual P 326 0.4398 50 -0.05 47
IV.CSP1.EHZ. 2020-03-22T16:24:04.72 0.3 undecidable manual P 357 0.4533 50 -0.12 69
IV.NRCA.HHZ. 2020-03-22T16:24:04.13 0.3 undecidable manual S 335 0.2149 50 -0.4 68
IV.MF5.EHZ. 2020-03-22T16:24:03.98 0.3 undecidable manual P 25 0.3849 50 0.31 67
IV.FIAM.HNN. 2020-03-22T16:24:03.40 0.6 undecidable manual P 193 0.3813 50 -0.2 46
IT.MTCL.HGZ. 2020-03-22T16:24:03.43 1.0 undecidable manual P 334 0.3957 50 -0.42 22
IV.FEMA.HNE. 2020-03-22T16:24:03.38 0.3 undecidable manual P 337 0.3507 50 0.29 68
IV.CAMP.HHE. 2020-03-22T16:24:02.59 0.6 undecidable manual S 129 0.1628 120 -0.29 47
IV.LNSS.HHZ. 2020-03-22T16:24:02.24 0.3 undecidable manual S 256 0.1493 123 -0.19 72
IV.MTRA.EHZ. 2020-03-22T16:24:02.58 0.3 undecidable manual S 45 0.1664 120 -0.41 69
MN.AQU.HNN. 2020-03-22T16:24:02.68 0.3 undecidable manual P 156 0.3103 50 0.29 69
IV.GIGS.HHZ. 2020-03-22T16:24:02.09 0.3 undecidable manual P 127 0.3094 50 -0.28 69
IV.RM33.EHZ. 2020-03-22T16:24:01.89 0.3 undecidable manual S 187 0.1304 126 0.05 75
IV.MMO1.EHZ. 2020-03-22T16:24:01.49 0.3 undecidable manual P 14 0.2689 50 -0.19 71
IV.TERO.HHZ. 2020-03-22T16:24:01.53 0.3 undecidable manual P 93 0.2698 50 -0.17 71
IV.MC2.EHZ. 2020-03-22T16:24:01.72 0.3 undecidable manual P 353 0.2752 50 -0.07 72
IV.NRCA.HHZ. 2020-03-22T16:24:00.54 0.1 positive manual P 335 0.2149 50 -0.22 95
IV.SMA1.EHN. 2020-03-22T16:24:00.55 0.6 undecidable manual S 96 0.0728 143 0.32 48
IV.MTRA.EHZ. 2020-03-22T16:23:59.76 0.1 positive manual P 45 0.1664 120 -0.11 98
IV.CAMP.HHE. 2020-03-22T16:23:59.73 1.0 undecidable manual P 129 0.1628 120 -0.08 25
IV.RM33.EHZ. 2020-03-22T16:23:59.28 0.1 positive manual P 187 0.1304 126 0.07 99
IV.LNSS.HHZ. 2020-03-22T16:23:59.53 0.1 positive manual P 256 0.1493 123 -0.01 100
IV.T1299.HNN. 2020-03-22T16:23:59.48 0.3 undecidable manual S 98 0.0333 161 -0.02 76
IV.SMA1.EHN. 2020-03-22T16:23:58.57 0.1 negative manual P 96 0.0728 143 0.3 96
IV.T1299.HNN. 2020-03-22T16:23:58.08 0.1 negative manual P 98 0.0333 161 0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.5 0.00031361402 0.1152 AML other m 2020-03-22T16:24:02.17
IV.RM33.EHE. ML:1.5 0.0003037173 0.1024 AML other m 2020-03-22T16:24:02.16
IV.RM33.EHN. ML:1.3 0.00018969485 0.1408 AML other m 2020-03-22T16:24:02.08
IV.RM33.HNN. ML:1.3 0.0001930189 0.128 AML other m 2020-03-22T16:24:02.08
IV.LNSS.HNE. ML:1.3 0.00017207303 0.1408 AML other m 2020-03-22T16:24:02.46
IV.LNSS.HNN. ML:1.3 0.00018389853 0.1664 AML other m 2020-03-22T16:24:02.40
IV.LNSS.HHE. ML:1.3 0.00018630865 0.1408 AML other m 2020-03-22T16:24:02.44
IV.LNSS.HHN. ML:1.2 0.00014863505 0.1408 AML other m 2020-03-22T16:24:02.41
IV.MTRA.HNE. ML:1.7 0.0003964801 0.2688 AML other m 2020-03-22T16:24:03.08
IV.MTRA.EHN. ML:1.5 0.000228552365 0.0896 AML other m 2020-03-22T16:24:02.66
IV.MTRA.HNN. ML:1.5 0.0002379035 0.256 AML other m 2020-03-22T16:24:03.12
IV.MTRA.EHE. ML:1.7 0.0004011121 0.2688 AML other m 2020-03-22T16:24:03.09
IV.NRCA.HHN. ML:1.5 0.00019567545 0.0896 AML other m 2020-03-22T16:24:04.28
IV.NRCA.HNN. ML:1.6 0.00025457846 0.128 AML other m 2020-03-22T16:24:04.28
IV.NRCA.HHE. ML:2 0.00065593875 0.1664 AML other m 2020-03-22T16:24:04.26
IV.NRCA.HNE. ML:2 0.0006020705 0.1792 AML other m 2020-03-22T16:24:04.26
IV.TERO.HNE. ML:1.4 0.00013161205 0.8576 AML other m 2020-03-22T16:24:06.99
IV.TERO.HHN. ML:1.3 9.2064715E-5 0.8064 AML other m 2020-03-22T16:24:06.27
IV.TERO.HHE. ML:1 4.750784E-5 0.0896 AML other m 2020-03-22T16:24:06.46
IV.TERO.HNN. ML:1.4 0.000129002935 0.3968 AML other m 2020-03-22T16:24:06.27
IV.GIGS.HHN. ML:0.6 1.44805675E-5 0.256 AML other m 2020-03-22T16:24:07.01
IV.GIGS.HHE. ML:0.6 1.34193905E-5 0.1024 AML other m 2020-03-22T16:24:07.01
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