Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 30-03-2020 and time 11:31:17 (UTC) in region 3 km W Campotosto (AQ)

A magnitude ML 1.4 earthquake occured in region: 3 km W Campotosto (AQ), on

  • 30-03-2020 11:31:17 (UTC)
  • 30-03-2020 13:31:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5540, 13.3380 at 19 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Campotosto AQ 3 542 542
Capitignano AQ 5 665 1207
Montereale AQ 8 2581 3788
Amatrice RI 9 2657 6445
Crognaleto TE 12 1297 7742
Barete AQ 12 737 8479
Pizzoli AQ 14 4326 12805
Cagnano Amiterno AQ 14 1369 14174
Cortino TE 16 656 14830
Cittareale RI 16 482 15312
Fano Adriano TE 16 296 15608
Accumoli RI 17 667 16275
Borbona RI 17 617 16892
Pietracamela TE 18 271 17163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
72 Km W of Chieti (51815 inhabitants)
73 Km W of Pescara (121014 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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
Bulletin
Rev1000 		ML 1.4 2020-03-30
11:31:17		 42.5542 13.3385 19 2020-07-18
21:08:39		 Bollettino Sismico Italiano INGV 79939261
Reviewed
Rev100 		ML 1.4 2020-03-30
11:31:17		 42.5495 13.3433 20 2020-03-30
11:37:53		 Sala Sismica INGV-Roma 77700401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-30 11:31:17 ± 0.1
Latitude 42.5542 ± 0.0045
Longitude 13.3385 ± 0.0049
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79939261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 477
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
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) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.51621
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 79939261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-05 23:58:24

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 77700401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-30 11:37:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2020-03-30T11:31:31.55 0.6 undecidable manual S 343 41.4252 105 0.49 42
IV.MMO1.EHZ. 2020-03-30T11:31:30.32 0.6 undecidable manual S 359 38.3283 106 0.07 47
IV.NRCA.HHZ. 2020-03-30T11:31:29.48 0.6 undecidable manual S 330 35.9418 107 -0.17 47
IV.LNSS.HHZ. 2020-03-30T11:31:27.02 0.6 undecidable manual S 283 24.9528 117 0.1 49
IV.FDMO.HHZ. 2020-03-30T11:31:27.07 0.3 undecidable manual P 339 57.2982 100 -0.55 63
IV.TERO.HHZ. 2020-03-30T11:31:26.45 0.3 undecidable manual S 71 22.9548 120 -0.01 74
IV.GIGS.HHZ. 2020-03-30T11:31:26.24 0.6 undecidable manual S 120 22.1556 121 -0.04 49
IV.MTRA.EHZ. 2020-03-30T11:31:26.21 0.3 undecidable manual S 12 22.9548 120 -0.25 71
IV.MC2.EHZ. 2020-03-30T11:31:25.50 0.3 undecidable manual P 343 41.4252 105 0.27 67
IV.MMO1.EHZ. 2020-03-30T11:31:24.81 0.1 undecidable manual P 359 38.3283 106 0.05 95
IV.RM33.EHZ. 2020-03-30T11:31:24.07 0.6 undecidable manual S 244 11.2776 143 -0.04 49
IV.NRCA.HHZ. 2020-03-30T11:31:24.27 0.1 undecidable manual P 330 35.9418 107 -0.15 95
IV.SMA1.EHZ. 2020-03-30T11:31:23.77 0.6 undecidable manual S 358 8.4804 151 0.07 50
IV.CAMP.HHN. 2020-03-30T11:31:23.41 0.3 undecidable manual S 109 6.0939 159 -0.03 75
IV.MTRA.EHZ. 2020-03-30T11:31:22.48 0.1 undecidable manual P 12 22.9548 120 -0.09 98
IV.TERO.HHZ. 2020-03-30T11:31:22.65 0.3 undecidable manual P 71 22.9548 120 0.07 73
IV.LNSS.HHZ. 2020-03-30T11:31:22.80 0.1 undecidable manual P 283 24.9528 117 -0.04 98
IV.GIGS.HHZ. 2020-03-30T11:31:22.43 0.1 undecidable manual P 120 22.1556 121 -0.04 98
IV.SMA1.EHZ. 2020-03-30T11:31:21.09 0.1 undecidable manual P 358 8.4804 151 0.1 99
IV.RM33.EHZ. 2020-03-30T11:31:21.31 0.1 positive manual P 244 11.2776 143 0.09 100
IV.CAMP.HHN. 2020-03-30T11:31:20.96 0.1 undecidable manual P 109 6.0939 159 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.6 0.00028849999999999997 0.52 AML other m 2020-03-30T11:31:24.51
IV.SMA1.EHN. ML:1.2 0.000121 0.12 AML other m 2020-03-30T11:31:24.26
IV.RM33.EHE. ML:1.7 0.00041299999999999996 0.28 AML other m 2020-03-30T11:31:24.46
IV.SMA1.EHE. ML:1.2 0.0001305 0.86 AML other m 2020-03-30T11:31:24.35
IV.GIGS.HHE. ML:0.8 0.00003715 0.08 AML other m 2020-03-30T11:31:26.29
IV.MTRA.EHN. ML:1.5 0.00017549999999999998 0.1 AML other m 2020-03-30T11:31:26.28
IV.GIGS.HHN. ML:0.7 0.00002615 0.1 AML other m 2020-03-30T11:31:26.38
IV.MTRA.EHE. ML:1.6 0.000191 0.52 AML other m 2020-03-30T11:31:26.32
IV.TERO.HHE. ML:1.3 0.00010020000000000001 0.34 AML other m 2020-03-30T11:31:26.77
IV.TERO.HHN. ML:1.3 0.000112 0.32 AML other m 2020-03-30T11:31:26.66
IV.LNSS.HHN. ML:1.4 0.0001275 0.4 AML other m 2020-03-30T11:31:27.40
IV.LNSS.HHE. ML:1.4 0.0001375 0.4 AML other m 2020-03-30T11:31:27.34
IV.NRCA.HHE. ML:1.8 0.0002465 0.12 AML other m 2020-03-30T11:31:29.83
IV.NRCA.HHN. ML:1.4 0.00009955 0.64 AML other m 2020-03-30T11:31:29.95
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