Earthquake with magnitude of ML 1.1 on date 04-04-2020 and time 12:22:03 (Italy) in region 2 km E Montereale (AQ)

A magnitude ML 1.1 earthquake occured in region: 2 km E Montereale (AQ), on

  • 04-04-2020 10:22:03 (UTC)
  • 04-04-2020 12:22:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5170, 13.2680 at 12 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 2 2581 2581
Capitignano AQ 3 665 3246
Cagnano Amiterno AQ 7 1369 4615
Barete AQ 7 737 5352
Pizzoli AQ 9 4326 9678
Campotosto AQ 10 542 10220
Borbona RI 11 617 10837
Amatrice RI 13 2657 13494
Posta RI 14 694 14188
Cittareale RI 14 482 14670
Scoppito AQ 16 3727 18397
Crognaleto TE 18 1297 19694
Antrodoco RI 19 2588 22282
Micigliano RI 19 127 22409
Accumoli RI 20 667 23076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
67 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
97 Km SE of Perugia (166134 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 1.1 2020-04-04
10:22:03
42.5172 13.2675 12 2020-04-04
10:39:40
Sala Sismica INGV-Roma 77866771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-04 10:22:03 ± 0.1
Latitude 42.5172 ± 0.0072
Longitude 13.2675 ± 0.0073
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77866771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 772
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 333
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 11
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27249
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 77866771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-04 10:39:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ALJA.HHZ. 2020-04-04T10:23:56.00 3.0 undecidable manual Sn -4.47 0
AC.VLO.HHZ. 2020-04-04T10:23:32.38 3.0 undecidable manual Pg 17.559999 0
IV.AMUR.HHZ. 2020-04-04T10:23:26.03 3.0 undecidable manual Sn 6.23 0
IV.SBPO.HNZ. 2020-04-04T10:23:26.71 3.0 undecidable manual Sn -1.15 0
IV.PETRA.HHZ. 2020-04-04T10:23:22.72 3.0 undecidable manual Pg 15.59 0
IV.SGO.HNZ. 2020-04-04T10:23:06.32 3.0 undecidable manual Sn 0.09 0
IV.MILN.HHZ. 2020-04-04T10:23:04.54 3.0 undecidable manual Pn 0.29 0
IV.MRLC.HHZ. 2020-04-04T10:23:03.82 3.0 undecidable manual Sn -1.36 0
IV.CIGN.HHZ. 2020-04-04T10:22:44.05 3.0 undecidable manual S 0.46 0
IX.CSG3.HNZ.01 2020-04-04T10:22:37.40 3.0 undecidable manual Pn 1.41 0
TV.SF01.EHZ. 2020-04-04T10:22:24.86 3.0 undecidable manual P 1.35 0
IV.TERO.HHZ. 2020-04-04T10:22:13.76 0.3 undecidable manual S 67 29.8479 92 -0.19 70
IV.FIAM.HNZ. 2020-04-04T10:22:13.71 0.6 undecidable manual S 204 30.2475 92 -0.34 47
IV.LNSS.HHZ. 2020-04-04T10:22:11.31 0.3 undecidable manual S 297 20.868 94 -0.24 72
IV.FIAM.HNZ. 2020-04-04T10:22:10.17 0.6 undecidable manual P 204 30.2475 92 0.57 42
IV.TERO.HHZ. 2020-04-04T10:22:09.60 0.3 undecidable manual P 67 29.8479 92 0.06 73
IV.SMA1.EHZ. 2020-04-04T10:22:09.95 0.6 undecidable manual S 24 13.7751 108 0.28 49
IV.GIGS.HHZ. 2020-04-04T10:22:08.76 0.6 undecidable manual P 106 25.9518 93 -0.18 48
IV.LNSS.HHZ. 2020-04-04T10:22:08.09 0.1 undecidable manual P 297 20.868 94 -0.06 99
IV.SMA1.EHZ. 2020-04-04T10:22:07.26 0.3 undecidable manual P 24 13.7751 108 0.19 74
IV.RM33.EHZ. 2020-04-04T10:22:07.69 0.3 undecidable manual S 258 4.3956 153 -0.1 76
IV.RM33.EHZ. 2020-04-04T10:22:06.11 0.1 undecidable manual P 258 4.3956 153 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.0 0.00015766324999999997 0.16 AML other m 2020-04-04T10:22:07.99
IV.RM33.HNE. ML:1.1 0.000173152 0.1472 AML other m 2020-04-04T10:22:07.99
IV.RM33.EHN. ML:1.1 0.00017419780000000001 0.1408 AML other m 2020-04-04T10:22:08.16
IV.RM33.HNN. ML:1.1 0.0002028643 0.1408 AML other m 2020-04-04T10:22:08.23
IV.LNSS.HHN. ML:1.2 0.000099068245 0.1792 AML other m 2020-04-04T10:22:11.62
IV.LNSS.HNE. ML:1.2 0.000115417035 0.1344 AML other m 2020-04-04T10:22:11.66
IV.LNSS.HNN. ML:1.2 0.00011575607500000002 0.576 AML other m 2020-04-04T10:22:07.93
IV.LNSS.HHE. ML:1.2 0.00012119084999999999 0.1408 AML other m 2020-04-04T10:22:11.66
IV.TERO.HHE. ML:0.3 0.0000110509295 0.16 AML other m 2020-04-04T10:22:14.76
IV.TERO.HNN. ML:1.5 0.00014688485 0.7872 AML other m 2020-04-04T10:22:25.55
IV.TERO.HHN. ML:0.6 0.000017540485 0.0576 AML other m 2020-04-04T10:22:14.08
IV.TERO.HNE. ML:1.4 0.00012190054999999999 0.9216 AML other m 2020-04-04T10:22:12.69
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