Earthquake 2 km E Cintano (TO), Magnitude M 2.3, 24 February 1987 time 17:56:15 (Timezone Italy)

A magnitude M 2.3 earthquake occured in region: 2 km E Cintano (TO), on

24-02-1987 16:56:15 (UTC)
24-02-1987 17:56:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.4200, 7.7170 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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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Baldissero Canavese	TO	3	550	550
Cintano	TO	3	258	808
Castelnuovo Nigra	TO	3	433	1241
Colleretto Castelnuovo	TO	3	332	1573
Vidracco	TO	4	507	2080
Borgiallo	TO	4	569	2649
Castellamonte	TO	4	9859	12508
Strambinello	TO	4	263	12771
Issiglio	TO	4	392	13163
Torre Canavese	TO	5	598	13761
Chiesanuova	TO	5	205	13966
Vistrorio	TO	5	534	14500
Bairo	TO	5	790	15290
Quagliuzzo	TO	5	328	15618
Lugnacco	TO	6	360	15978
Parella	TO	6	453	16431
Pecco	TO	6	223	16654
Cuorgnè	TO	6	9906	26560
Rueglio	TO	6	757	27317
Alice Superiore	TO	7	700	28017
Colleretto Giacosa	TO	7	582	28599
Salassa	TO	7	1838	30437
Valperga	TO	7	3166	33603
Agliè	TO	7	2631	36234
Loranzè	TO	8	1173	37407
Ozegna	TO	8	1230	38637
San Martino Canavese	TO	8	852	39489
San Ponso	TO	9	267	39756
San Colombano Belmonte	TO	9	383	40139
Oglianico	TO	9	1506	41645
Trausella	TO	9	119	41764
Frassinetto	TO	9	274	42038
Vialfrè	TO	9	256	42294
Perosa Canavese	TO	9	533	42827
Meugliano	TO	9	80	42907
Pont-Canavese	TO	10	3483	46390
Pertusio	TO	10	778	47168
Rivarolo Canavese	TO	10	12488	59656
Prascorsano	TO	10	745	60401
Vico Canavese	TO	10	849	61250
Favria	TO	10	5196	66446
Lessolo	TO	10	1938	68384
Cuceglio	TO	10	997	69381
Fiorano Canavese	TO	10	822	70203
Traversella	TO	10	343	70546
Scarmagno	TO	10	838	71384
Ciconio	TO	10	384	71768
Canischio	TO	11	277	72045
Samone	TO	11	1600	73645
Brosso	TO	11	420	74065
Alpette	TO	11	261	74326
Pavone Canavese	TO	11	3895	78221
Busano	TO	11	1687	79908
San Giorgio Canavese	TO	11	2643	82551
Salerano Canavese	TO	11	505	83056
Lusigliè	TO	12	559	83615
Pratiglione	TO	12	535	84150
Banchette	TO	12	3231	87381
Rivara	TO	12	2659	90040
Romano Canavese	TO	12	2752	92792
Ingria	TO	13	52	92844
Feletto	TO	13	2310	95154
Forno Canavese	TO	13	3446	98600
Montalenghe	TO	13	1001	99601
Strambino	TO	13	6263	105864
Sparone	TO	13	1038	106902
Ivrea	TO	14	23606	130508
San Giusto Canavese	TO	14	3406	133914
Levone	TO	14	442	134356
Montalto Dora	TO	14	3406	137762
Mercenasco	TO	15	1257	139019
Quassolo	TO	15	354	139373
Orio Canavese	TO	15	801	140174
Borgofranco d'Ivrea	TO	15	3732	143906
Barone Canavese	TO	16	586	144492
Barbania	TO	16	1607	146099
Front	TO	16	1677	147776
Ronco Canavese	TO	16	314	148090
Tavagnasco	TO	16	791	148881
Cascinette d'Ivrea	TO	16	1485	150366
Rocca Canavese	TO	16	1708	152074
Candia Canavese	TO	17	1258	153332
Ribordone	TO	17	53	153385
Settimo Vittone	TO	17	1560	154945
Nomaglio	TO	17	287	155232
Chiaverano	TO	17	2095	157327
Bosconero	TO	17	3167	160494
Quincinetto	TO	17	1031	161525
Vauda Canavese	TO	17	1464	162989
Andrate	TO	17	505	163494
Valprato Soana	TO	17	108	163602
Burolo	TO	18	1180	164782
Albiano d'Ivrea	TO	18	1718	166500
Foglizzo	TO	18	2361	168861
Caluso	TO	19	7586	176447
Corio	TO	19	3277	179724
Rivarossa	TO	19	1610	181334
Bollengo	TO	19	2137	183471
Vestignè	TO	19	805	184276
Caravino	TO	19	923	185199
Donato	BI	19	693	185892
Carema	TO	20	774	186666
Locana	TO	20	1498	188164

Municipalities with at least 50000 inhabitants

An earthquake occurred to

39 Km N of Torino (890529 inhabitants)

47 Km N of Moncalieri (57294 inhabitants)

69 Km NW of Asti (76202 inhabitants)

71 Km W of Novara (104380 inhabitants)

88 Km W of Gallarate (53343 inhabitants)

90 Km W of Vigevano (63310 inhabitants)

90 Km NW of Alessandria (93943 inhabitants)

91 Km W of Busto Arsizio (83106 inhabitants)

96 Km W of Legnano (60262 inhabitants)

97 Km W of Varese (80799 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	M 2.3	1987-02-24 16:56:15	45.42	7.717	10	2013-07-15 08:41:04	Bollettino Sismico Italiano INGV	41929

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	1987-02-24 16:56:15 ± 0.233
Latitude	45.4200 ± 0.0205
Longitude	7.7170 ± 0.0198
Depth (km)	10 (operator assigned)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-VAX
Event type	earthquake
Origin ID	41929

Uncertainty

Field	Value
Preferred uncertainty description	horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter)	2753.3
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	189
Number of associated phases, regardless of their use for origin computation	6
Number of defining phases	6
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)	0.00251
Epicentral distance of station farthest from the epicenter (degree)	0.00372
Number of stations at which the event was observed	3
Number of stations from which data was used for origin computation	3

Magnitude information

M:2.3

Field	Value
Value	2.3
Uncertainty
Num. used stations
Type of magnitude	M
Reference to an origin	41929
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2015-04-28 09:48:29

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Residual	Weight
--.RSP.Z.	1987-02-24T16:56:30.10	10.0	undecidable	manual	SG	230	0.4107	-0.63	0.1
--.LSD.Z.	1987-02-24T16:56:29.80	10.0	undecidable	manual	SG	275	0.3885	-0.13	0.7
--.ORX.Z.	1987-02-24T16:56:25.60	10.0	undecidable	manual	SG	41	0.2775	-0.68	0.1
--.RSP.Z.	1987-02-24T16:56:24.40	10.0	undecidable	manual	PG	230	0.4107	0.18	1.7
--.LSD.Z.	1987-02-24T16:56:23.90	10.0	undecidable	manual	PG	275	0.3885	0.14	1.8
--.ORX.Z.	1987-02-24T16:56:21.90	10.0	undecidable	manual	PG	41	0.2775	0.25	1.6

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of M 2.3 on date 24-02-1987 and time 17:56:15 (Italy) in region 2 km E Cintano (TO)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

M:2.3