PAGER - M 3.1 - 11.9 km (7.4 mi) NNE of Rancho Cucamonga, CA

Alert level does not include impacts from earthquake-related hazards such as tsunamis, landslides, fires or liquefaction.

Earthquake Shaking Alert Level: GREEN

Download Alert PDFWhat's this?Thursday, July 19th, 2012 at 13:23:06 UTC (06:23:06 local)Location: 34.2° N, 117.6° WDepth: 12kmEvent Id: CI15180441Alert Version: 8Created: 1 day, 1 hour after earthquake.
Global Location

Alert Information

Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
Estimated FatalitiesFatality Alert Level: GREEN
ESTIMATED FATALITY ALERT: GREEN
ESTIMATED FATALITIES (LEVEL)Probability (%)
0 (GREEN)
 
99
1 to 9 (YELLOW)1
10 to 99 (YELLOW)0
100 to 999 (ORANGE)0
1 to 10 thousand (RED)0
10 to 100 thousand (RED)0
100 thousand + (RED)0
Estimated Economic LossesEconomic Alert Level: GREEN
ESTIMATED ECONOMIC ALERT: GREEN
ESTIMATED VALUE IN USD (LEVEL)Probability (%)
0 to 1 million (GREEN)
 
99
1 to 10 million (YELLOW)1
10 to 100 million (YELLOW)0
100 million to 1 billion (ORANGE)0
1 to 10 billion (RED)0
10 to 100 billion (RED)0
100 billion + (RED)0

Detailed Information

Estimated Population Exposed to Earthquake Shaking
Estimated Modified Mercalli IntensityIII-IIIIVVVIVIIVIIIIXX
Est. Population Exposure13,372k*4,026k0000000
Perceived ShakingNot FeltWeakLightModerateStrongVery StrongSevereViolentExtreme
Potential Structure DamageResistantnonenonenoneV. LightLightModerateModerate/HeavyHeavyV. Heavy
VulnerablenonenonenoneLightModerateModerate/HeavyHeavyV. HeavyV. Heavy
*Estimated exposure only includes population within calculated shake map area
Population Exposure
Population per ~1 sq. km. from LandScan
Population Exposure Map

Structure Information Summary

Overall, the population in this region resides in structures that are highly resistant to earthquake shaking, though some vulnerable structures exist.

Historical Earthquakes (with MMI)

Date (UTC)Dist (km)MagMax MMI (#)Shaking Deaths
1984-11-263605.1V (17k)0
2003-12-223576.6VII (213)2
1994-01-17946.7IX (181k)33

Recent earthquakes in this area have caused secondary hazards such as landslides and liquefaction that might have contributed to losses.

Selected Cities Exposedfrom GeoNames Database of Cities with 1,000 or more residents.
MMICityPopulation
IIIRancho Cucamonga169k
IIIFontana169k
IIUpland74k
IIRialto102k
IIGlen Avon16k
IIBloomington22k
IIRiverside298k
ILos Angeles3,695k
ILong Beach483k
ISanta Ana343k
IAnaheim328k

(k = x1,000)

Historical Events Map
Nearby Events in the EXPO-CAT Earthquake Catalog
#Date/TimeMagLat, Lon, DepthCountryMax MMI (Exposed)DeathsSecondary Effects
ShakingTotal
11973-02-21
14:45 UTC
5.934.06° N, 119.05° W
6km
USVIII (4 k)00
21978-05-05
21:03 UTC
5.532.22° N, 115.32° W
5km
MXVIII (97)00
31978-08-13
22:54 UTC
5.834.39° N, 119.64° W
8km
USVIII (40 k)00
41978-10-04
16:42 UTC
5.437.39° N, 118.69° W
8km
USVI (598)00
51979-03-15
21:07 UTC
5.534.2° N, 116.53° W
15km
USVII (744)00
61979-10-15
23:17 UTC
6.532.82° N, 115.64° W
9km
USIX (3 k)00
71979-10-16
05:49 UTC
5.633.02° N, 115.57° W
5km
USVIII (611)00
81979-10-16
06:19 UTC
5.132.73° N, 115.76° W
10km
USVII (77)00
91979-10-16
06:58 UTC
5.632.95° N, 115.62° W
10km
USVIII (287)00
101979-10-16
23:16 UTC
5.532.92° N, 115.55° W
4km
USVIII (40)00
111980-02-25
10:47 UTC
5.633.52° N, 116.55° W
6km
USVII (847)00
121980-05-25
16:33 UTC
6.237.53° N, 118.83° W
11km
USIX (72)00landslide
131980-05-25
16:49 UTC
5.937.55° N, 119.02° W
3km
USVIII (16)00
141980-05-25
19:44 UTC
5.937.38° N, 118.84° W
4km
USVII (2)00landslide
151980-05-25
20:35 UTC
5.937.44° N, 118.96° W
2km
USVI (6 k)00
161980-05-25
20:59 UTC
5.537.59° N, 118.83° W
10km
USVII (660)00
171980-05-26
12:24 UTC
5.637.58° N, 118.9° W
2km
USVII (2 k)00
181980-05-26
18:57 UTC
5.737.56° N, 118.9° W
6km
USVII (2 k)00
191980-05-27
14:50 UTC
5.937.42° N, 118.8° W
1km
USVIII (3)00
201980-06-09
03:28 UTC
6.332.27° N, 114.91° W
5km
MXIX (336)11
211981-04-26
12:09 UTC
5.933.12° N, 115.64° W
1km
USVIII (11)00
221981-09-04
15:50 UTC
5.833.9° N, 119.03° W
15km
USVI (13 k)00
231981-09-30
11:53 UTC
5.637.55° N, 118.8° W
15km
USVII (591)00
241983-05-02
23:42 UTC
6.336.22° N, 120.3° W
10km
USIX (29)00
251983-05-02
23:46 UTC
5.736.23° N, 120.29° W
8km
USVIII (1 k)00
261983-07-09
07:40 UTC
5.136.17° N, 120.37° W
1km
USVII (10 k)00
271983-07-22
02:39 UTC
5.736.2° N, 120.34° W
7km
USVII (1 k)00
281984-11-23
18:08 UTC
5.837.34° N, 118.51° W
15km
USVIII (8 k)00
291984-11-23
19:12 UTC
5.537.44° N, 118.64° W
0km
USVII (381)00
301984-11-26
16:21 UTC
5.137.29° N, 118.76° W
10km
USV (17 k)00landslide
311985-08-04
12:01 UTC
6.136.14° N, 120.11° W
15km
USIX (713)00
321986-07-08
09:20 UTC
633.97° N, 116.78° W
12km
USVIII (8 k)00landslide
331986-07-13
13:47 UTC
5.833.05° N, 117.85° W
2km
USV (9,528 k)01landslide
341986-07-20
14:29 UTC
5.837.5° N, 118.45° W
15km
USVIII (9)00
351986-07-21
14:42 UTC
6.237.5° N, 118.44° W
10km
USVIII (375)00
361986-07-21
14:51 UTC
5.737.5° N, 118.37° W
9km
USVIII (270)00
371986-07-21
22:07 UTC
5.437.64° N, 118.49° W
6km
USVII (15)00
381986-07-31
07:22 UTC
5.537.46° N, 118.4° W
15km
USVII (210)00
391987-10-01
14:42 UTC
5.934.06° N, 118.13° W
14km
USVIII (20 k)88
401987-10-04
10:59 UTC
5.234.02° N, 118.14° W
11km
USVII (453 k)01
411987-11-24
01:54 UTC
633.22° N, 115.79° W
15km
USVIII (250)02
421987-11-24
13:15 UTC
6.533.07° N, 115.95° W
2km
USIX (599)00
431988-02-11
15:25 UTC
4.834.08° N, 118.05° W
12km
USVII (11 k)01
441988-12-03
11:38 UTC
534.15° N, 118.13° W
13km
USVI (1,090 k)00
451989-01-19
06:53 UTC
5.233.91° N, 118.7° W
9km
USVI (14 k)00
461990-02-28
23:43 UTC
5.734.14° N, 117.75° W
3km
USVIII (12 k)00
471991-06-28
14:43 UTC
5.634.24° N, 118.01° W
11km
USVII (8 k)11
481992-04-23
04:50 UTC
6.233.87° N, 116.52° W
4km
USVIII (16 k)00
491992-06-28
11:57 UTC
7.334.18° N, 116.53° W
11km
USIX (2 k)11
501992-06-28
15:05 UTC
6.534.29° N, 116.82° W
12km
USIX (2 k)00landslide
511992-06-29
10:14 UTC
5.736.77° N, 116.32° W
11km
USVIII (127)00
521992-06-29
16:01 UTC
5.533.82° N, 116.44° W
15km
USVIII (8 k)00
531992-07-11
18:14 UTC
5.734.96° N, 118.19° W
15km
USVIII (568)00
541992-11-27
16:00 UTC
5.634.23° N, 117.01° W
5km
USVII (4 k)00
551993-05-17
23:20 UTC
6.137.15° N, 117.82° W
10km
USVIII (6)00
561994-01-17
12:30 UTC
6.734.16° N, 118.58° W
11km
USIX (181 k)3333landslide, liquefaction
571994-01-17
23:33 UTC
5.834.27° N, 118.79° W
8km
USVIII (70 k)00
581994-01-18
00:43 UTC
5.534.26° N, 118.89° W
17km
USVII (97 k)00
591995-09-20
23:27 UTC
5.535.63° N, 117.73° W
15km
USVIII (852)00
601999-05-15
13:22 UTC
5.537.45° N, 118.8° W
1km
USVII (4)00
611999-10-16
09:46 UTC
7.134.52° N, 116.44° W
5km
USIX (17 k)00
621999-10-16
09:59 UTC
5.834.56° N, 116.79° W
9km
USVIII (19)00
631999-10-16
12:57 UTC
5.734.27° N, 116.23° W
12km
USVIII (201)00
642001-12-08
23:36 UTC
5.732.05° N, 114.9° W
9km
MXVIII (72)00
652002-02-22
19:32 UTC
5.532.38° N, 115.19° W
9km
MXVIII (8 k)00
662003-12-22
19:15 UTC
6.635.62° N, 121.07° W
16km
USVII (213)22landslide, liquefaction
672004-09-28
17:15 UTC
635.75° N, 120.32° W
5km
USVII (160)00
682005-06-16
20:53 UTC
4.933.95° N, 117.05° W
18km
USVI (63 k)00
MMICityPopulation
IIIRancho Cucamonga169k
IIIFontana169k
IIUpland74k
IIRialto102k
IIGlen Avon16k
IIBloomington22k
IIMuscoy10k
IIOntario173k
IIMira Loma19k
IISan Antonio Heights3k
IISunnyslope5k
IIMontclair36k
IISan Bernardino202k
IIChino75k
IIRubidoux32k
IIClaremont35k
IIWrightwood4k
IIColton52k
IILa Verne34k
IIPomona156k
IILoma Linda21k
IIRowland Heights52k
IIGrand Terrace13k
IILa Puente43k
IIHacienda Heights54k
IIHighgrove4k
IILos Serranos7k
IIMoreno Valley169k
IIRedlands70k
IIAvocado Heights16k
IIValinda24k
IIWest Puente Valley24k
IIWhittier86k
IIEl Monte125k
IISan Jacinto29k
IISouth El Monte22k
IISouth Whittier59k
IIWest Covina110k
IIEast Hemet14k
IIHemet69k
IINorco27k
IISan Dimas36k
IICharter Oak9k
IIMayflower Village5k
IINorth El Monte4k
IICovina49k
IIPico Rivera66k
IIRosemead56k
IIEl Cerrito5k
IIMountain View Acres3k
IISouth San Gabriel8k
IICanyon Lake12k
IILa Palma16k
IILakeland Village6k
IILakeview2k
IILenwood3k
IIQuartz Hill10k
IISanta Fe Springs16k
IITemple City38k
IICitrus11k
IILa Habra Heights6k
IIAzusa48k
IILa Habra60k
IIBaldwin Park81k
IIEast La Mirada10k
IISouth San Jose Hills22k
IILa Mirada50k
IIRiverside298k
IIHome Gardens11k
IICorona153k
IIValle Vista12k
IIIrwindale2k
IIPedley13k
IIHesperia74k
IIWalnut32k
IIHighland51k
IIMentone9k
IIMontebello64k
IIBelvedere2k
IIBradbury1k
IIDuarte23k
IIOak Park2k
IIRainbow2k
IIRolling Hills2k
IIRolling Hills Estates8k
IISouth Pasadena25k
IChino Hills67k
IGlendora52k
IDiamond Bar59k
IBeaumont19k
ICrestline11k
IWinchester2k
IWoodcrest9k
IMurrieta Hot Springs4k
IHomeland4k
IRunning Springs6k
ILake Arrowhead11k
IActon3k
IAdelanto18k
IAgoura21k
IAgoura Hills22k
IAlhambra88k
IAliso Viejo41k
IAlondra Park8k
IAltadena43k
IAnaheim328k
IApple Valley64k
IArcadia57k
IArtesia17k
IBanning30k
IBarstow21k
IBarstow Heights24k
IBell38k
IBell Gardens46k
IBellflower76k
IBeverly Hills35k
IBig Bear City6k
IBig Bear Lake6k
IBoron2k
IBrea40k
IBuena Park79k
IBurbank105k
ICabazon3k
ICalabasas21k
ICalimesa8k
ICarson96k
ICathedral City53k
ICerritos53k
ICherry Valley6k
ICommerce14k
ICompton97k
ICosta Mesa109k
ICoto De Caza19k
ICudahy26k
ICulver City40k
ICypress47k
IDana Point36k
IDel Aire10k
IDesert Hot Springs19k
IDesert View Highlands2k
IDowney112k
IEast Compton10k
IEast Los Angeles125k
IEast Pasadena6k
IEast San Gabriel16k
IEl Segundo17k
IFallbrook34k
IFoothill Ranch12k
IFountain Valley56k
IFullerton135k
IGarden Grove167k
IGardena61k
IGlendale195k
IHawaiian Gardens16k
IHawthorne87k
IHermosa Beach20k
IHidden Hills2k
IHollywood168k
IHuntington Beach196k
IHuntington Park64k
IIndian Wells4k
IInglewood116k
IIrvine189k
IJoshua Tree4k
ILa Canada Flintridge21k
ILa Quinta38k
ILadera Heights7k
ILaguna Beach24k
ILaguna Hills31k
ILaguna Niguel66k
ILaguna Woods20k
ILake Elsinore41k
ILake Forest77k
ILake Los Angeles14k
ILakewood82k
ILancaster130k
ILas Flores6k
ILas Flores6k
ILawndale33k
ILennox23k
ILittlerock1k
ILomita21k
ILong Beach483k
ILos Alamitos12k
ILos Angeles3,695k
ILynwood72k
IMalibu Beach14k
IManhattan Beach37k
IMarina del Rey9k
IMaywood29k
IMission Viejo96k
IMonrovia38k
IMonterey Park63k
IMorongo Valley2k
IMurrieta89k
INewport Beach79k
INorth Edwards1k
INorth Glendale203k
INorwalk109k
INuevo5k
IOrange129k
IPalm Desert49k
IPalm Springs43k
IPalmdale135k
IPalos Verdes Estates14k
IParamount57k
IPasadena145k
IPerris46k
IPiru1k
IPlacentia49k
IPortola Hills9k
IQuail Valley2k
IRancho Mirage17k
IRancho Palos Verdes43k
IRancho Santa Margarita51k
IRedondo Beach68k
IRomoland3k
IRosamond19k
IRossmoor11k
ISan Clemente62k
ISan Fernando25k
ISan Gabriel42k
ISan Joaquin Hills3k
ISan Juan Capistrano35k
ISan Marino13k
ISanta Ana343k
ISanta Clarita169k
ISanta Monica88k
ISeal Beach24k
ISedco Hills3k
ISierra Madre11k
ISignal Hill11k
ISimi Valley119k
ISouth Gate100k
IStanton38k
ISun City20k
ITemecula85k
IThousand Palms6k
ITorrance145k
ITrabuco Canyon3k
ITustin69k
INorth Tustin24k
IVal Verde1k
IVictorville84k
IVilla Park6k
IVincent15k
IWalnut Park17k
IWest Athens9k
IWest Carson22k
IWest Compton6k
IWest Hollywood37k
IWestminster90k
IWestmont32k
IWestwood2k
IWildomar16k
IWillowbrook35k
IYorba Linda65k
IYucaipa50k
IYucca Valley19k

(k = x1,000)


PAGER content is automatically generated, and only considers losses due to structural damage. Limitations of input data, shaking estimates, and loss models may add uncertainty. PAGER results are generally available within 30 minutes of the earthquake’s occurrence. However, information on the extent of shaking will be uncertain in the minutes and hours following an earthquake and typically improves as additional sensor data and reported intensities are acquired and incorporated into models of the earthquake's source. Users of PAGER estimates should account for uncertainty and always seek the most current PAGER release for any earthquake.