Earthquake with magnitude of ML 1.5 on date 04-03-2021 and time 16:40:25 (UTC) in region Capitignano (AQ)

A magnitude ML 1.5 earthquake occured in region: Capitignano (AQ), on

  • 04-03-2021 16:40:25 (UTC)
  • 04-03-2021 17:40:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.52, 13.3 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
Capitignano AQ 1 665 665
Montereale AQ 4 2581 3246
Campotosto AQ 7 542 3788
Barete AQ 8 737 4525
Cagnano Amiterno AQ 9 1369 5894
Pizzoli AQ 9 4326 10220
Amatrice RI 12 2657 12877
Borbona RI 13 617 13494
Crognaleto TE 15 1297 14791
Cittareale RI 16 482 15273
Posta RI 16 694 15967
Scoppito AQ 17 3727 19694
Accumoli RI 20 667 20361

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km W of Pescara (121014 inhabitants)
97 Km NE of Roma (2864731 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
99 Km SE of Perugia (166134 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.5 2021-03-04
16:40:25
42.52 13.3 12 2021-03-04
16:48:08
Sala Sismica INGV-Roma 87724211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-04 16:40:25 ± 0.11
Latitude 42.52 ± 0.01
Longitude 13.30 ± 0.00
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 87724211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 588
Semi-minor axis of confidence ellipse (meter) 382
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 16
Circular confidence region, given by single value of horizontal uncertainty (meter) 590
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
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
Epicentral distance of station farthest from the epicenter (degree) 0.48114
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 87724211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-04 16:48:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2021-03-04T16:40:46.29 3.0 undecidable manual S -0.33 0
IV.MC2.EHZ. 2021-03-04T16:40:40.19 0.3 undecidable manual S 349 0.3975 92 0.29 69
IV.MMO1.HNE. 2021-03-04T16:40:39.34 0.6 undecidable manual S 3 0.3786 93 0 48
IV.GAVE.EHZ. 2021-03-04T16:40:38.00 0.3 undecidable manual S 300 0.3417 93 -0.23 71
IV.SRES.HHZ. 2021-03-04T16:40:37.93 3.0 negative manual P -0.23 0
IV.MF5.EHZ. 2021-03-04T16:40:35.74 0.6 undecidable manual P 14 0.4811 92 0.43 44
IV.TERO.HHZ. 2021-03-04T16:40:35.19 0.3 undecidable manual S 66 0.2482 95 -0.29 69
IV.MTRA.HNE. 2021-03-04T16:40:34.98 0.3 undecidable manual S 17 0.2464 95 -0.46 67
IV.MC2.EHZ. 2021-03-04T16:40:34.34 0.1 undecidable manual P 349 0.3975 92 0.46 88
IV.GIGS.HHN. 2021-03-04T16:40:34.23 0.3 undecidable manual S 108 0.2149 97 -0.27 71
IV.LNSS.HHZ. 2021-03-04T16:40:33.95 0.6 undecidable manual S 294 0.205 98 -0.26 48
IV.ARRO.EHZ. 2021-03-04T16:40:33.70 0.6 negative manual P 279 0.3948 92 -0.13 48
IV.MMO1.HNE. 2021-03-04T16:40:33.51 0.1 undecidable manual P 3 0.3786 93 -0.04 96
IV.GAVE.EHZ. 2021-03-04T16:40:32.78 0.6 negative manual P 300 0.3417 93 -0.13 48
IV.SMA1.EHZ. 2021-03-04T16:40:31.76 0.3 undecidable manual S 15 0.1133 118 0.17 74
IV.CAMP.HHZ. 2021-03-04T16:40:31.04 0.3 undecidable manual S 80 0.0845 131 0.14 75
IV.MTRA.HNE. 2021-03-04T16:40:31.07 0.1 undecidable manual P 17 0.2464 95 -0.23 95
IV.TERO.HHZ. 2021-03-04T16:40:31.27 0.1 undecidable manual P 66 0.2482 95 -0.06 98
IV.GIGS.HHN. 2021-03-04T16:40:30.73 0.1 undecidable manual P 108 0.2149 97 -0.03 100
IV.LNSS.HHZ. 2021-03-04T16:40:30.57 0.1 undecidable manual P 294 0.205 98 -0.02 99
IV.RM33.EHZ. 2021-03-04T16:40:30.32 0.6 undecidable manual S 259 0.0612 143 -0.1 51
IV.SMA1.EHZ. 2021-03-04T16:40:29.31 0.6 negative manual P 15 0.1133 118 0.23 49
IV.RM33.EHZ. 2021-03-04T16:40:28.51 1.0 undecidable manual P 259 0.0612 143 0.1 25
IV.CAMP.HHZ. 2021-03-04T16:40:28.94 0.1 undecidable manual P 80 0.0845 131 0.26 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.6 0.000488 0.32 AML other m 2021-03-04T16:40:30.57
IV.RM33.EHN. ML:1.4 0.000332 0.68 AML other m 2021-03-04T16:40:31.14
IV.SMA1.EHN. ML:1.9 0.0007745 0.3 AML other m 2021-03-04T16:40:32.21
IV.SMA1.EHE. ML:1.8 0.0006975 0.24 AML other m 2021-03-04T16:40:32.23
IV.TERO.HHN. ML:1.1 5.78E-5 0.26 AML other m 2021-03-04T16:40:35.23
IV.TERO.HHE. ML:1 5.36E-5 0.54 AML other m 2021-03-04T16:40:35.51
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