Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 15-02-2021 and time 23:57:13 (Italy) in region 3 km S Capitignano (AQ)

A magnitude ML 1.3 earthquake occured in region: 3 km S Capitignano (AQ), on

  • 15-02-2021 22:57:13 (UTC)
  • 15-02-2021 23:57:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4930, 13.3030 at 12 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
Capitignano AQ 3 665 665
Barete AQ 5 737 1402
Montereale AQ 6 2581 3983
Pizzoli AQ 6 4326 8309
Cagnano Amiterno AQ 7 1369 9678
Campotosto AQ 9 542 10220
Scoppito AQ 14 3727 13947
Borbona RI 14 617 14564
Amatrice RI 15 2657 17221
Crognaleto TE 16 1297 18518
Posta RI 17 694 19212
L'Aquila AQ 18 69753 88965
Cittareale RI 18 482 89447

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
100 Km NE of Velletri (53303 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 1.3 2021-02-15
22:57:13		 42.4932 13.3033 12 2021-07-12
16:55:01		 Bollettino Sismico Italiano INGV 87964041
Reviewed
Rev100 		ML 1.3 2021-02-15
22:57:13		 42.4918 13.3033 13 2021-02-15
23:02:53		 Sala Sismica INGV-Roma 87189551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-15 22:57:13 ± 0.07
Latitude 42.4932 ± 0.0036
Longitude 13.3033 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87964041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 196
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.42628
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 87964041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-18 16:23:06

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 87189551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-15 23:02:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2021-02-15T22:57:29.72 0.6 undecidable manual S 349 47.3193 91 0.63 40
IV.MMO1.EHZ. 2021-02-15T22:57:28.72 0.6 undecidable manual S 2 45.1215 91 0.23 45
IV.NRCA.HHZ. 2021-02-15T22:57:27.11 0.6 undecidable manual S 338 40.8258 92 -0.23 45
IV.FIAM.HHZ. 2021-02-15T22:57:24.12 0.6 undecidable manual S 211 29.2485 93 -0.15 46
IV.MTRA.EHZ. 2021-02-15T22:57:24.12 0.6 undecidable manual S 15 30.2475 93 -0.4 45
IV.TERO.HHZ. 2021-02-15T22:57:23.62 0.6 undecidable manual S 60 28.4493 93 -0.44 45
IV.LNSS.HHZ. 2021-02-15T22:57:23.05 0.6 undecidable manual S 300 24.6531 94 0 48
IV.GIGS.HJZ. 2021-02-15T22:57:22.16 0.6 undecidable manual S 101 22.4553 95 -0.3 46
IV.MC2.EHZ. 2021-02-15T22:57:22.94 0.3 undecidable manual P 349 47.3193 91 0.23 67
IV.MMO1.EHZ. 2021-02-15T22:57:22.36 0.3 undecidable manual P 2 45.1215 91 0 71
MN.AQU.HNZ. 2021-02-15T22:57:21.67 0.6 undecidable manual S 152 17.5713 99 0.53 45
IV.NRCA.HHZ. 2021-02-15T22:57:21.52 0.1 undecidable manual P 338 40.8258 92 -0.18 91
IV.SMA1.EHZ. 2021-02-15T22:57:20.82 0.6 undecidable manual S 10 15.4734 104 0.22 47
IV.T1299.EHZ. 2021-02-15T22:57:20.35 0.6 undecidable manual S 354 15.7731 103 -0.33 46
IV.FIAM.HHZ. 2021-02-15T22:57:20.00 0.3 undecidable manual P 211 29.2485 93 0.08 73
IV.TERO.HHZ. 2021-02-15T22:57:19.65 0.1 undecidable manual P 60 28.4493 93 -0.15 95
IV.LNSS.HHZ. 2021-02-15T22:57:19.18 0.1 undecidable manual P 300 24.6531 94 -0.04 96
IV.CAMP.HHZ. 2021-02-15T22:57:19.12 0.3 undecidable manual S 61 9.879 126 -0.13 74
IV.MTRA.EHZ. 2021-02-15T22:57:19.95 0.1 undecidable manual P 15 30.2475 93 -0.12 95
IV.RM33.EHZ. 2021-02-15T22:57:18.51 0.6 undecidable manual S 284 7.4814 137 -0.27 47
IV.SMA1.EHZ. 2021-02-15T22:57:18.04 0.1 undecidable manual P 10 15.4734 104 0.23 95
MN.AQU.HNZ. 2021-02-15T22:57:18.15 0.3 undecidable manual P 152 17.5713 99 0.03 74
IV.GIGS.HJZ. 2021-02-15T22:57:18.82 0.1 undecidable manual P 101 22.4553 95 -0.06 97
IV.T1299.EHZ. 2021-02-15T22:57:17.98 0.1 undecidable manual P 354 15.7731 103 0.12 97
IV.CAMP.HHZ. 2021-02-15T22:57:17.22 0.1 undecidable manual P 61 9.879 126 0.19 96
IV.RM33.EHZ. 2021-02-15T22:57:16.84 0.1 positive manual P 284 7.4814 137 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.1 0.00017099999999999998 0.82 AML other m 2021-02-15T22:57:18.61
IV.RM33.HNN. ML:1.1 0.0001668497 0.2176 AML other m 2021-02-15T22:57:18.61
IV.RM33.EHE. ML:1.4 0.0003025 0.26 AML other m 2021-02-15T22:57:18.76
IV.RM33.HNE. ML:1.3 0.0002740433 0.128 AML other m 2021-02-15T22:57:18.75
IV.SMA1.EHE. ML:1.4 0.0002415 0.62 AML other m 2021-02-15T22:57:21.19
IV.SMA1.EHN. ML:1.6 0.000366 0.36 AML other m 2021-02-15T22:57:21.31
IV.LNSS.HHE. ML:1.3 0.00011949999999999999 0.16 AML other m 2021-02-15T22:57:23.32
IV.LNSS.HHN. ML:1.2 0.00009185 0.14 AML other m 2021-02-15T22:57:23.35
IV.MTRA.EHN. ML:1.7 0.00022849999999999997 0.42 AML other m 2021-02-15T22:57:24.39
IV.MTRA.HNE. ML:1.7 0.00023531158999999998 0.1792 AML other m 2021-02-15T22:57:24.69
IV.MTRA.EHE. ML:1.7 0.000227 0.16 AML other m 2021-02-15T22:57:24.69
IV.MTRA.HNN. ML:1.7 0.000212506095 0.1792 AML other m 2021-02-15T22:57:24.60
IV.TERO.HHN. ML:1.0 0.00005044999999999999 1.26 AML other m 2021-02-15T22:57:24.08
IV.TERO.HHE. ML:0.8 0.000036950000000000004 1.54 AML other m 2021-02-15T22:57:24.13
IV.FIAM.HHE. ML:0.3 0.000008808726499999998 1.8976 AML other m 2021-02-15T22:57:25.00
IV.FIAM.HHN. ML:0.3 0.000011946769499999999 0.256 AML other m 2021-02-15T22:57:25.60
IV.NRCA.HHN. ML:1.0 0.000035000000000000004 1.06 AML other m 2021-02-15T22:57:27.76
IV.NRCA.HHE. ML:1.2 0.00005069999999999999 0.68 AML other m 2021-02-15T22:57:27.98
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