Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 15-02-2021 and time 00:00:49 (Italy) in region 2 km SW Cansano (AQ)

A magnitude ML 1.8 earthquake occured in region: 2 km SW Cansano (AQ), on

  • 14-02-2021 23:00:49 (UTC)
  • 15-02-2021 00:00:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9900, 14.0000 at 10 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
Cansano AQ 2 274 274
Pettorano sul Gizio AQ 4 1376 1650
Campo di Giove AQ 5 803 2453
Rocca Pia AQ 6 178 2631
Pacentro AQ 7 1174 3805
Introdacqua AQ 9 2126 5931
Sulmona AQ 9 24557 30488
Palena CH 12 1392 31880
Bugnara AQ 12 1125 33005
Pescocostanzo AQ 12 1128 34133
Lettopalena CH 13 358 34491
Scanno AQ 14 1847 36338
Rivisondoli AQ 14 700 37038
Taranta Peligna CH 15 376 37414
Villalago AQ 15 568 37982
Sant'Eufemia a Maiella PE 15 278 38260
Prezza AQ 16 945 39205
Pratola Peligna AQ 16 7577 46782
Anversa degli Abruzzi AQ 16 341 47123
Colledimacine CH 17 202 47325
Lama dei Peligni CH 17 1271 48596
Roccaraso AQ 17 1627 50223
Roccacasale AQ 17 693 50916
Caramanico Terme PE 19 1929 52845
Cocullo AQ 19 230 53075
Gamberale CH 20 320 53395
Corfinio AQ 20 1051 54446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SW of Chieti (51815 inhabitants)
56 Km SW of Pescara (121014 inhabitants)
60 Km S of Montesilvano (53738 inhabitants)
64 Km SE of L'Aquila (69753 inhabitants)
78 Km SE of Teramo (54892 inhabitants)
99 Km E of Tivoli (56533 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 1.8 2021-02-14
23:00:49		 41.9898 13.9998 10 2021-07-12
16:55:02		 Bollettino Sismico Italiano INGV 88211781
Reviewed
Rev100 		ML 1.8 2021-02-14
23:00:49		 41.9912 13.998 9 2021-02-14
23:26:43		 Sala Sismica INGV-Roma 87163581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-14 23:00:49 ± 0.04
Latitude 41.9898 ± 0.0027
Longitude 13.9998 ± 0.0036
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88211781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 317
Semi-minor axis of confidence ellipse (meter) 258
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.46675
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 88211781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-17 10:35:55

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 87163581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-14 23:26:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2021-02-14T23:01:05.51 0.6 undecidable manual S 222 51.1155 50 0.06 46
IV.VCEL.EHZ. 2021-02-14T23:01:04.60 0.6 undecidable manual S 344 46.7199 50 0.31 44
IV.FAGN.HHZ. 2021-02-14T23:01:04.01 0.6 undecidable manual S 312 45.9207 50 -0.05 47
IV.PTQR.HHZ. 2021-02-14T23:01:04.80 0.6 undecidable manual S 274 49.5171 50 -0.23 45
IV.CERA.HHE. 2021-02-14T23:01:03.39 0.6 undecidable manual S 178 43.5231 50 -0.03 47
IV.MIDA.HNN. 2021-02-14T23:01:03.75 0.6 undecidable manual S 151 43.9227 50 0.21 45
IV.POFI.HNE. 2021-02-14T23:01:02.08 0.6 undecidable manual S 218 38.4282 50 0.01 48
IV.RNI2.HNN. 2021-02-14T23:01:01.06 0.6 undecidable manual S 158 34.2435 50 0.13 47
IV.T0110.HHZ. 2021-02-14T23:01:00.37 0.6 undecidable manual S 325 32.3454 50 -0.06 48
IV.VVLD.HNE. 2021-02-14T23:01:00.87 0.3 undecidable manual S 247 33.8439 50 0.04 72
IV.TRIV.HHN. 2021-02-14T23:00:59.06 0.6 undecidable manual P 118 51.8037 50 0.45 42
IV.LRP.EHZ. 2021-02-14T23:00:58.42 0.1 undecidable manual P 222 51.1155 50 -0.09 92
IV.PTQR.HHZ. 2021-02-14T23:00:58.46 0.3 undecidable manual P 274 49.5171 50 0.19 68
IT.OPI.HGE. 2021-02-14T23:00:58.81 0.6 undecidable manual S 211 27.5502 50 -0.34 45
IV.CERA.HHE. 2021-02-14T23:00:57.29 0.3 undecidable manual P 178 43.5231 50 -0.05 70
IV.MIDA.HNN. 2021-02-14T23:00:57.67 0.3 undecidable manual P 151 43.9227 50 0.26 67
IV.VCEL.EHZ. 2021-02-14T23:00:57.73 0.3 undecidable manual P 344 46.7199 50 -0.12 69
IV.FAGN.HHZ. 2021-02-14T23:00:57.83 0.3 undecidable manual P 312 45.9207 50 0.12 69
IV.RNI2.HNN. 2021-02-14T23:00:56.27 0.6 undecidable manual P 158 34.2435 50 0.37 45
IV.POFI.HNE. 2021-02-14T23:00:56.28 0.3 undecidable manual P 218 38.4282 50 -0.28 68
IV.T0110.HHZ. 2021-02-14T23:00:55.51 0.3 undecidable manual P 325 32.3454 50 -0.11 71
IV.LPEL.HHZ. 2021-02-14T23:00:55.35 0.6 undecidable manual S 67 16.3725 121 -0.29 47
IV.VVLD.HNE. 2021-02-14T23:00:55.60 0.1 undecidable manual P 247 33.8439 50 -0.25 92
IT.SULA.HNZ. 2021-02-14T23:00:54.48 0.3 undecidable manual S 324 11.4774 130 0.21 72
IT.SULP.HGE. 2021-02-14T23:00:54.32 0.3 undecidable manual S 331 12.0768 129 -0.1 74
IT.SULC.HNN. 2021-02-14T23:00:54.41 0.3 undecidable manual S 319 11.4774 130 0.16 73
IT.OPI.HGE. 2021-02-14T23:00:54.93 0.6 undecidable manual P 211 27.5502 50 0.05 48
IV.INTR.HHZ. 2021-02-14T23:00:53.50 0.3 undecidable manual S 287 8.1807 140 0.05 75
IV.LPEL.HHZ. 2021-02-14T23:00:52.54 0.1 positive manual P 67 16.3725 121 -0.31 93
IT.SULA.HNZ. 2021-02-14T23:00:52.05 0.1 undecidable manual P 324 11.4774 130 -0.01 100
IT.SULP.HGE. 2021-02-14T23:00:52.09 0.1 positive manual P 331 12.0768 129 -0.05 99
IT.SULC.HNN. 2021-02-14T23:00:52.10 0.1 undecidable manual P 319 11.4774 130 0.06 99
IV.INTR.HHZ. 2021-02-14T23:00:51.67 0.1 positive manual P 287 8.1807 140 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HHN. ML:2.1 0.0017150000000000002 1.22 AML other m 2021-02-14T23:00:53.02
IV.INTR.HNN. ML:2.1 0.0017000000000000001 1.22 AML other m 2021-02-14T23:00:53.02
IV.INTR.HNE. ML:1.8 0.001032 0.96 AML other m 2021-02-14T23:00:54.30
IV.INTR.HHE. ML:1.9 0.0010834999999999998 0.22 AML other m 2021-02-14T23:00:54.30
IV.LPEL.HHN. ML:1.9 0.000745 0.24 AML other m 2021-02-14T23:00:55.63
IV.LPEL.HNN. ML:1.9 0.0007239999999999999 0.26 AML other m 2021-02-14T23:00:55.63
IV.LPEL.HNE. ML:1.9 0.000716 0.38 AML other m 2021-02-14T23:00:55.78
IV.LPEL.HHE. ML:2.0 0.0008035000000000001 0.38 AML other m 2021-02-14T23:00:55.78
IV.T0110.HHE. ML:1.8 0.0003035 0.96 AML other m 2021-02-14T23:01:03.49
IV.T0110.HHN. ML:1.6 0.0001985 0.48 AML other m 2021-02-14T23:01:03.96
IV.VCEL.EHN. ML:1.6 0.000112198325 0.1792 AML other m 2021-02-14T23:01:05.38
IV.VCEL.EHE. ML:1.6 0.000123103035 0.2304 AML other m 2021-02-14T23:01:05.61
IV.LRP.EHN. ML:0.9 0.0000222 0.3 AML other m 2021-02-14T23:01:06.32
IV.FAGN.HHE. ML:2.1 0.000345 1.2 AML other m 2021-02-14T23:01:06.93
IV.LRP.EHE. ML:1.5 0.0000807 0.42 AML other m 2021-02-14T23:01:06.66
IV.FAGN.HHN. ML:1.9 0.0002485 0.44 AML other m 2021-02-14T23:01:08.24
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